Dry snow vs wet snow

Wet Snow vs. Dry Snow—Isn't it the Same? - Snow at First Sigh

As temperatures drop, snow becomes drier and more powdery. A 'wet snow' translates into a ratio of 10:1. What that means is that for every one inch of liquid water that falls, that equates ten.. Dry snow occurs when temperature is below freezing resulting in powdery accumulation due to the absence of water content and is easily directed by accompanying winds. A foot of dry snow might be roughly equivalent to an inch of water when melted, whereas wet snow is typically double or about 2 inches of water equivalent. 1.3K view The more liquid there is in the snow, the heavier it becomes. That also means the heavier the snow, the more stress there is on your roof. A foot of dry, fluffy snow weighs about 6,000 lbs on your.. Wet - Wet refers to warm snow with a high moisture content. Informal classification. Skiers and others living with snow provide informal terms for snow conditions that they encounter. Corn snow - Corn snow is coarse, granular snow, subject to freeze-thaw. Crud - Crud covers varieties of snow that all but advanced skiers find impassable. While dry snow produces a large number of small snowflakes, wet snow produces a small amount of large snowflakes. Once it is on the ground, wet snow usually goes through a few melt and freeze cycles, allowing a crust to form, which supports your weight while skiing, or snowboarding

The snow is sticky due to its high partial liquid content. The ratio for wet snow will be less than 10:1. For example, a 5:1 ratio may occur in which it takes 5 inches of snow to produce 1 inch of liquid equivalent. DRY SNOW- A dry snow has little to no liquid water content thus this snow will be less dense than average Wet snow is heavier than light snow (obviously), so make sure you nail the smooth carving turns and you'll find your energy will last the day. Oh, and make sure that you know you'll be getting wet, it is slush after all! Ice. Let's dispel a myth straight away - you'll never find real ice on the slopes. People may say you can but you.

Difference Between Wet and Dry Snow. April 10, 2021. Meteorologist Ari Sarsalari takes a look at the difference between wet and dry snow. Trending Today. Latest Weather. Coronavirus Last year's first snow in Denver of 1.7 inches yielded 0.22 inches of liquid. That ratio is closer to 8:1 ratio, for an even wetter snowfall. Drier snow is less dense with plenty of air pockets within the snow crystals. Dry snow has a snow to liquid equivalent higher than the average of 10:1 and we can see ratios of 30:1 or more Dry snow, on the other hand, is more powdery and does not pack as well. It falls as numerous small flakes when the air temperature is below 28°F. In terms of snow to liquid equivalency, the general rule of thumb is ten inches of snow melts into one inch of liquid water. This ratio, however, tends to vary widely with different types of snow In wet conditions, your footwear and any clothing that will come in contact with the snow should be waterproof - rubber boots, synthetic shells. In dry conditions, porous (breathable) materials become much more the way to go - wool clothing, leather boots

If we have gotten a large accumulation of wet snowfall, then clearing the roofs of sheds, houses, and other structures can become necessary. A foot of wet snow can weigh over three times the same.. The texture of snow depends on the moisture in the air and temperature in the atmosphere. Colder air with less moisture = dry, powdery snow. Warmer air with more moisture = wet, sticky snow The average report time on slush is slightly higher (1.18 h), compared to dry snow (0.98 h) and wet snow (1.0 h). This means that there are no large differences in how long the airports maintain a runway open during precipitation of dry snow, wet snow or slush

Wet snow is perfect for making snowballs since it is more sticky in nature. Dry snow occurs when the layers of the atmosphere stay well below freezing. The snow ratio for dry snow is much larger.. I like dry snow over wet snow. That's not to say that I dislike wet snow per se. I like snow of any kind, except slush (but even that is better than nothing), seeing as all snow, wet stuff included, is awesome to have. For example I consider the Mid-Atlantic Blizzards of February 2010 to be a fantastic event, and I would have loved to be in. what is better to drive in Wet Snow OR Dry SnowCreated with MAGIX Video deluxe MX Plu

Dry vs

Denver7 Chief Meteorologist Mike Nelson breaks down the different types of snow, from dry to wet Airplane braking performance on runways contaminated with dry snow, wet snow and slush as analysed. The main finding is that airplanes experienced wet snow covered runways more often as very slippery, compared to slush covered runways. The fraction of the landings experiencing the conditions as poor or less than poor was.

Wild Snow (Light, very dry new snow. Snow immediately after falling, in extremely cold temperatures, with no wind.) 0.1 lbs: 1.25 lb/ft 3: 0.62 - 1.87 lb/ft 3: 0.01 - 0.03 g/cm 3: 20 kg/m 3: 0.20 kg: Ordinary New Snow (Snow immediately after falling, in below-freezing temperatures, with no wind; fresh, uncompacted snow that has a high volume of. Wet snow vs. dry snow. Ever wondered why sometimes snow sticks together and sometimes is powdery and loose? The reason for this lies in the snowflakes journey as it falls through the atmosphere. Snowflakes that fall through a dry, cool atmosphere will be small and powdery and won't stick together Those factors usually produce wet, sticky snow. In the North and out west in the Rockys, there is colder air and less moisture content, which causes the snow to be lighter, fluffier and more powdery Snow will taper Thursday night, wind and cold for Friday. Heavy, wet snow typically sees a ratio of five inches of snow to one inch of precipitation. Light, fluffy snow doesn't have as much.

While you might be tempted to wait it out and hope the snow will melt, we know that clearing evening skies after a wet snow equals big time freezing problems. Adjusting the plan of attack based on both current weather conditions and the future forecast saves money and gives you a parking lot that's clear and dry The difference in size comes down to how cold the temperatures are when it's snowing. Individual snow crystals are small, but sometimes they stick together and create much larger snowflakes, like. If the snow is dry, trail runners will stay drier for longer; if the snow is wet, your footwear will wet-through more quickly. If it's very cold, trail runners are less comfortable and riskier (because of prolonged cold exposure); boots are the opposite Winter Forecast: What's the difference between wet and dry snow? Toggle header content. Have you ever wondered why some snow is the best to make snowballs with, while other times we get snow and. That's right, the snow on the east coast is in no way similar to snow on the west coast! The two American coasts experience either dry snow or wet snow during winter, and it's all because of elevation and proximity to the ocean. East Coast The eastern coast of the United States gets moisture for snow from the Atlantic Ocean

Powder Snow Powder snow is highly prized by wintertime sports enthusiasts because it is perfect for skiing, snowboarding, and tobogganing. True powder snow is dry, light, and fluffy enough to make you feel like you're floating down a mountainside, whereas other types of snow tend to feel much rougher 5.0 out of 5 stars Wet vs Dry Snow Reviewed in the United States on December 30, 2007 I have been moving snow for 30 years in Northern Wisconsin, using everything from large gas 2-stage snowthrowers, Garden tractors on down to small electric snowthrowers Coefficient of friction varies with temperature, pressure, and density. The condition that the material is in greatly affects it's coefficient of friction. For example the coefficient of kinetic friction for waxed wood on wet snow is 0.1 but for waxed wood on dry snow is 0.4. Tabraiz Rasul -- 200 Dry Snow Wet Snow Wet Snow or Dry Snow on top of Compacted Snow. Using of RCAM. Contaminant depth. Using of RCAM Contaminant depth The depth is reported as a two or three-digit number representing the assessed depth in millimeters (mm) of the contaminant for each runway thir

Snow comes in five categories: dry (zero percent water), moist (less than 3 percent), wet (3 to 8 percent), very wet (8 to 15 percent) and slush (more than 15 percent). By that scale, moist to wet. 1 Reply. Precipitation is formed and changes between a solid, liquid and gas because of three factors: temperature, pressure and humidity. Humidity is an important effect on the formation of snow because humidity is the measure of the amount of water air can hold. The amount of water the air can hold is dependent on the temperature When a ski glides on snow it has to deal with resistance from friction (dry snow) or suction (wet snow) as obstacles to speed. Gravity can be a real hassle as well. Friction and suction are always present. The issue is finding a ski that minimizes one or the other to match the conditions Wet snow vs. dry snow: Hoping for some 'Colorado classic' this weekend. Duration: 01:16 3/12/2021. Denver7 Chief Meteorologist Mike Nelson breaks down the different types of snow, from dry to wet. The flakes from dry snow tend to be smaller but more numerous. Warm soil will tend to compact snow over time by giving it a higher liquid content. Gravity also compacts snow over time. Wet snow will compact more significantly than dry snow. A dry snow falling onto a warm surface will allow it to take on characteristics of wet snow

The Dew Point infotoon | Dogfoose

Heavy wet snow starts out just like the light and fluffy stuff. The change takes place on its way down to the ground. As flakes fall from the air, temperatures at the surface become warmer. This. When we talk about snow quality, such as 'light and fluffy' or 'heavy and wet', we are talking about the snow-to-liquid ratio. To calculate the snow-to-liquid ratio, divide the amount of snow by the depth of water you would measure if you melted the snow into liquid More good news: While increasing dry- and wet-road performance, winter tires are a lot better in the snow than were previous-era snow tires. Every year I see improvements in traction on snow and. Purposeful good looks and careful tuning gave it best-in-class light snow traction, while also providing good wet weather performance and sufficient dry handling to satisfy most drivers. It's this combination that gave the ExtremeContact DWS a unique place in the category, and a solid lead in consumer ratings soon after it debuted

Wet snow near freezing. Near the freezing point the snow temperature is less important than its water content. Hard waxes will work ok for dry snow, but pretty much fail when there is a lot of water in the snow. Klisters are used for these wet conditions. Some call this regime a waxing disaster, as it is the most frustrating conditions to wax for Step 3: Mix the proper ratio of snow foam and water. Use a snow foam lance to spray the foam in the entire vehicle. The foam should be thick enough to stay in the surface, yet light enough to run down to the ground after a couple of minutes. Step 4: Once the snow foam begins to run down, rinse off the excess foam with mild pressurized water. Do. How Wet & Dry Snow Compare. You've heard of wet snowfall and dry snowfall, but how do these occur and what are the differences? Meteorologist Michael Behrens explains! Author: wzzm13.co But in delivering this capability, all-season tires sacrifice a noticeable bit of dry and wet performance. Meanwhile, snow and summer tires provide clear benefits to those who can use them. In.

Wet Vs. Dry Sno

Wet avalanches usually occur when warm air temperatures, sun or rain cause water to percolate through the snowpack and decrease the strength of the snow, or in some cases, change the mechanical properties of the snow. Once initiated, wet snow tends to travel much more slowly than dry snow avalanches-like a thousand concrete trucks dumping. Dry, fluffy snow is the least concern with respect to weight. This kind of snow will weigh around 7 pounds per cubic foot . If the snow is dense and wet, however, a cubic foot of it can weigh 20. Wet friction occurs when a high moisture content snow creates suction between the ski base and snow. A fluorocarbon additive is necessary to reduce the wet friction. However, it's important to not use too much fluorocarbon as it will increase the dry friction and reduce glide Heavy snow is a term often used to describe snow's water/volume ratio; The water content of snow may range from 3% for very dry snow to 33% for a wet, heavy snow, t

Here's a reality check: if you are backpacking in wet conditions—which could entail prolonged rain, dew-soaked grass, melting snow, un-bridged creek crossings, or even just high humidity—your feet are going to get wet. So-called waterproof footwear will not keep your feet dry. Advertisements and marketing that makes such claims are false and disingenuous, and the Wet snow avalanches differ from dry snow avalanches in how they become unstable. A dry snow avalanche occurs by overloading the weak layers in the snowpack, whereas a wet snow avalanche occurs by decreasing the overall strength of the snowpack. Under spring time conditions, such as snow with increased melting, corn snow can form The water content of snow may range from 3% for very dry snow to 33% for a wet, heavy snow, to nearly 100% for ice. An inch of water depth weighs 5.2 lbs. per square foot. Thus, a roof designed to carry a snow load of 20 lbs. per horizontal square foot is expected to support nearly 12 inches of wet, heavy snow CR recommends the Falken HS449 Eurowinter for both dry-weather and wet-weather conditions. It is a bit noisy. However, it has excellent snow traction and hydroplaning resistance. It also handles and brakes better on both wet and dry roads than the average winter tire

While all four tires in this test performed similarly well in the snow and on ice, our testing did reveal some differences in traction in dry, and especially wet, conditions. The Bridgestone Blizzak WS80 provided the best traction in the dry and wet 50-0 mph panic stop test, and also in dry cornering Dry VS wet snow. Dry and wet snow avalanches are completely different beasts. Story continues below advertisement. They differ in how they form, fracture and are triggered. They even move down the. However I think a cold, dry sunny day with deep snow on the ground is a perfect winter day 10-08-2011, 02:41 PM SophieLL : Location: Buenos Aires, Argentina. 5,929 posts, read 9,176,658 times Reputation: 4430. Quote: Originally Posted by nei. I don't hate humidity, but dry is definitely more pleasant when it's warm..

(wet, compact snow, wet ice, slush, dry snow) •JAROPS 1 - Requires operational contaminated/slippery runway data based on possibility of an engine failure during the takeoff - Stop accountability. Contaminated and Slippery Runways 8 Regulatory Requirements - Takeof And some of us didn't even have to relocate; regulars at Hemel Hempstead Dry Slope enjoyed the upgrade to The Snow Centre's real snow slopes more than 6 years ago! But many still make use of their local dry slopes, here's some reasons for both indoor skiing and dry slope. 5 reasons for Indoor Real Snow Slopes. 1 Most snow boots come up to the hem of pants to keep the entire foot dry, while other snow boots go up to the knees to keep the legs warm and dry from snow. Most snow boots have rubber soles and are waterproof. Some snow boots made from leather and fur are fashionable; they do keep feet warm in snowy weather, but are not waterproof

Winter Forecast: What's the difference between wet and dry

This study was conducted to collect data on the operational characteristics of highway, snow and studded snow tires and other winter traction aids. The objective of the study was to perform various vehicle maneuvers to evaluate the tire characteristics on wet and dry pavement surfaces Unlike dry ice and commercial grade sodium bicarbonate, wet ice media is FAR less expensive. We provide a complete cost breakdown comparison between dry ice media and wet ice media here. The savings is dramatic, and this is why the Coulson Ice Blast technology is sought out worldwide. Ice costs around 99.7% less than dry ice Wet Slab avalanches happen when a weak layer or interface becomes moist, wet, or saturated. The wet snow loses strength, and the snow above fails and avalanches. Wet Slabs fail because of a decrease in layer strength, compared to dry avalanches that often fail because of an increase in load. Where they ar

What is the difference between 'dry' snow and 'wet' snow

  1. g a fan-shaped avalanche
  2. Winter tyres offer greater traction, grip and braking performance than summer tyres in temperatures below 7°C. Provided the temperature is low enough, their special tread patterns mean they will perform better in the wet, as well as on snow and ice, The key to their improved grip on wet and ice-covered surfaces is the 'sipes', which provide.
  3. The first storm was about 3-4 inches of wet, heavy snow. The second storm dropped about 12-14 inches of light, powdery snow. This variety meant that we got a good sense of how each shovel functioned in different snow conditions
  4. Dry Snow or Wet Snow (Any depth) over Compacted Snow . Greater than 1/8 (3 mm) depth of: Dry Snow Wet Snow. Warmer than 5° F (-15ºC) outside air temperature: Compacted Snow . 3 . Braking deceleration is noticeably reduced for the wheel braking effort applie

Wet vs. Dry: How Does Snow Really Measure Up

  1. Powder snow is dry new snow, which is composed of loose, fresh ice crystals. Types of snow formations. Snow cornices, like the one in this photo, are formed when wind blows snow over the edge of a ridge or cliff. In time, the snow accumulates and freezes into a cornice shape
  2. e whether we get a wet snow or a dry snow
  3. imized. On amorphous, wet snow, a coarser structured ski base is better to

Dry Snow vs. Wet Snow on Tuesday WCY

Several terms are used when talking about how much moisture is contained in a certain amount of snow. The most frequently used term is often liquid equivalent. This is the depth of water that would result from melting a sample of snow. Liquid equivalent is the amount of measurable moisture if the snow were to have fallen as rain. This is where the infamous 10-to-1 ratio has its roots During that storm the snow ratio was closer to 15 inches of snow to one inch of rain. We had 1.75 inches of liquid equivalent, yet ended up with 23.2 inches of snow, not 17.5 inches of accumulation Wet, Heavy Snow . It doesn't matter if you're using a single or two stage snowblower when you're fighting wet and heavy snow—clogs are likely. This is because wet, heavy snow, especially snow that's been treated with de-icing material, is particularly sticky Would the kind of snow [cold, crunchy, hard snow vs sloppy, wet snow] make a difference? If we think of bike tires, it is the fat tire bikes that people use in the winter for the increased tire patch size and hence increased grip A conversion chart that converts snowfall depths and amounts to the water equivalen

Which is worse, wet or dry snow? - Quor

The Verglas gaiters keep your feet and calves dry, even in the soggiest of conditions. I use them for wet-weather hiking and backpacking, and for alpine ascents and approachesIf you're looking for something tried and true, this is the gaiter to get. Outdoor Research Expedition Crocodile Gaiter Snow tyres vs. cold dry/wet asphalt - posted in The Technical Forum Archive: Theres now a debate in the Czech Republic about making snow/winter tyres compulsory. First idea about the law was to make it compulsory from a certain date to a certain date, but warm winter including +13 centigrades in January made it impossible. Then it started to snow finally this Tuesday and theres another idea. Snow (on the ground) Dry snow. Snow which can be blown if loose or, if compacted by hand, will fall apart again upon release; specific gravity: up to but not including 0.35. Wet snow. Snow which, if compacted by hand, will stick together and tend to or form a snowball; specific gravity: 0.35 up to but not including 0.5. Compacted snow The rate of sublimation is a function of the weather conditions. It takes a lot of energy to turn ice into a gas called water vapor: about 7 times the amount of energy needed to boil that water. The energy needed to sublimate the snow off your patio comes primarily from the sun. So, sunny weather is the best weather for sublimating snow

What causes wet, heavy snow rather than light, fluffy snow

Snow covered roads can be messy, though for most cold and dry snow events the traction is generally uniform, predictable and manageable. There are, however, a variety of meteorological conditions that can produce exceptionally dangerous and slippery road surfaces. Many of these involve some form of icing, and the majority o Race in the Woods: The snow will stay cold and have sharper crystals, wax for colder conditions. Wet New Snow: Use Fluoro waxes, wax for warmer than expected temperatures, use lots of structure. Fine Dry New Snow: Wax for colder than expected conditions and temperatures. Low areas near open water: Colder and more humid than expected Owners of high performance sport coupes and sedans looking for traction on winter's dry, wet, and snow-covered roads can also consider the Goodyear Eagle Ultra Grip GW-3. These tires are. Winter tires are far superior to all-season tires when it comes to driving in any cold winter conditions: dry, wet, snow, sleet, and ice. Summer tires excel in both dry and wet warm weather conditions but become too stiff in cold weather to be able to provide reliable performance. Winter tires are so specialized for winter that they do not. Weather Wise: Wet vs Dry Snow . Unmute. Play. Remaining Ad Time Ad - 00:00. November 9, 2020 8:35 am WREX Weather Team News. WREX Weather Team. Related Articles. Padres-Nats game suspended after.

Classifications of snow - Wikipedi

  1. By comparison, all season tires will sacrifice wet weather and dry weather grip and performance in the name of mild snow and cold weather performance. That doesn't mean that all-season tires can.
  2. They're capable of handling wet or dry roads, and can even perform safely in light snow. All-season tires are designed to operate in a wide temperature band, but not at the extremes in either.
  3. So yes, they are heavy-duty, thus, more efficient and best for heavy wet snow and large areas. Leave a Reply Cancel reply. Your email address will not be published. Required fields are marked * Experts Advise. 1. snow blower vs shovel . 2. best time to shovel snow . 3. electric vs gas snow blower . 4. snow plow vs snow blower . 5

What Is Dry Snow? LoveToKno

  1. Dense snow, snow that is compacted or wet, loses much of its insulation value because it loses a lot of its trapped air. Scientists study the density of snow to help them understand how rapidly heat can move from the water or the ground into the atmosphere (and into space)
  2. Black clouds in the north in winter indicates approaching snow. When there is enough blue sky to patch a Dutchman's breeches, expect clearing weather; A curdly sky will not leave the earth long dry. If you see clouds going crosswind, there is a storm in the air. Hen scarts and filly tails make lofty ships wear low sails
  3. Dry vs Humid Climates (snow, hot, warm, average) User Name: Remember Me: Password Not sure if my impressions are correct or not, but I just thought it was interesting to see whether people liked dry or wet climates better. I think I would prefer a humid climate overall, and would miss the green if i lived out west..

Snow to Liquid Equivalen

  1. g the floor below you instead! Step 2: Getting The Snow Foam Mix Right. A common problem is getting the right consistency when applying foam to the car
  2. The tractive performance of snow tread tires vs. regular tread tires has been measured in acceleration, braking, and cornering on a variety of surface conditions including ice, snow, wet, and dry concrete using an instrumented vehicle and the Mobile Tire Traction Dynamometer
  3. imum legal requirement for a winter tire in British Columbia
  4. The tyre was 0.5 seconds slower, than the leader. 2-4th place in Subj. wet handling. The same result with Michelin and Nokian. 7th place in Snow braking. The braking distance difference with the leader was 1.4 meters longer. 1st place and the best result in Snow handling
  5. Mavis Discount Tire has received 617 tire reviews for the Continental ContiExtremeContact DWS06 . This tire has received a 4 out of 5 Star rating with 91% of the respondents saying they would buy again. Dry Traction and Wet Traction received the highest marks and total mileage that as been reviewed is 2,378,301
  6. In the Midwest and the East, the warm, wet snowstorms can bring a slushy 6-to-1 ratio. That is the stuff that really gives shovelers a sore back. Wet snow vs. dry snow: Hoping for some 'Colorado.
  7. ess, and intensified after April 1. A huge, and in some cases record breaking, decline in snow water equivalent percent of normal was observed throughout April due to warm and dry conditions. Much of the western snow melted one to four weeks early.

5 Types of Snow and How They Function Snow

This 'dry' snow is ideal for snow sports but is more likely to drift in windy weather. When the temperature is slightly warmer than 0 °C, the snowflakes will melt around the edges and stick together to become big, heavy flakes. This creates 'wet' snow which sticks together easily and is good for making snowmen Near or below freezing, ice, snow, mixed conditions, cold wet roads, and cold dry roads. As such, the design and construction of a winter tire is a direct reflection of the specific intended use. Have a look at this side-by-side comparison of a snow-rated all-terrain tire (left) vs the Cooper Weather-Master WSC winter tire (right) This is a common selling point you'll hear, but I saw no noticeable difference in handling in dry, cold weather between my winter and all-season tires. You don't buy winter tires for dry, cold weather - you get them for snow. If you never or rarely see snow-covered roads, there is little or no reason to use winter tires Winter Storm Warning: Issued when a combination of hazardous winter weather in the form of heavy snow, heavy freezing rain, or heavy sleet is imminent or occurring. Winter Storm Warnings are usually issued 12 to 24 hours before the event is expected to begin. Winter Storm Watch: Issued 12-48 hours in advance of the onset of severe winter. Heavy, wet snow followed by a cold snap could require more time to clear than dry snow. The county highway departments who maintain the state highway system are not liable for injuries caused by ice or snow accumulation on the roadway unless it has been there for more than 3 weeks ( s. 81.15, Wis. Stats .)

Difference Between Wet and Dry Snow - Videos from The

Dry aging makes your beef a better value for the flavor also! Tenderness - The first difference you'll notice between wet and dry aged beef is tenderness. Snow Creek Ranch's dry aged steaks are so tender, they're almost buttery in texture! They almost literally melt in your mouth! Flavor - When folks try our beef for the first time. Its Traction Grooves improve snow performance, and X-Sipes enhance stopping, turning and acceleration for maximum control in slippery conditions. Plus, it's easy to know when your tread is too low with the tire's DWS (Dry, Wet, Snow) Indicators. Get the best performance from your performance vehicle with the ExtremeContact DWS06 Dry out your sleeping bag in the morning sun. If it's sunny in the morning, open up your sleeping bag and dry it out in the sunlight on top of your tent. Many down sleeping bags have darkly colored interiors for just this purpose, to absorb as much of the sun's radiation as possible and accelerate drying. Bringing a wet or damp sleeping bag. Generally, front-drive cars tend to fare better in wet and snowy conditions than do rear-drive models, simply because they place more weight at the front of the vehicle directly over the drive wheels

We are just not going to get it due to the drought we had last summer and the really dry soil. When the snow melts, it is just going to get sucked in. With snowpack below average across the state — southwest Utah is sitting barely north of 50% — that becomes a problem for Utah when 95% of its water comes from snow, Clayton said The dry traction and handling feels sporty but doesn't match with Michelin. PZero Plus also has reliable wet traction and cornering stability but again A/S 3+ is just superior. Snow performance is at par with Pilot Sport A/S3+ except that Michelin is just too good in straight-line snow traction Snow forecasting Hydro-meteorological Prediction Center Another inch with the vort! - what is the depth of the layer with wet bulb temperatures above zero - wet bulb temperature of cold layer - depth of cold layer should be a pronounced dry layer just above the cloud top. A typical sounding for freezing drizzle is shown. dry layer.