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Upcoming snow for Colorado forecast to drop 12″ plus: Whiteout daily snow report, April 23

Snowpack melting rapidly as spring marches forward

The likelihood of another strong shot of snow in Colorado’s mountains is still forecast for the last few days of April.

Temperatures will remain warm ahead of the snow event, continuing to melt the snowpack during the above average temperatures period.

Snowpack:

The melt is on. Over the course of two days from Sunday to Tuesday, Colorado’s snowpack melted away nine percentage points of average and 1.5 inches of snow water equivalent.

Colorado's median snowpack is at 88% of average on April 23, 2024. The black line indicates the current year. (Natural Resources Conservation Service)
Colorado’s median snowpack is at 88% of average on April 23, 2024. The black line indicates the current year. (Natural Resources Conservation Service)

Melting will continue through Thursday, but slow some during a forecasted stormy period from Friday through Sunday.

Recap:

Temperatures reached into the 40s Monday at Colorado’s remaining open ski areas — Copper Mountain recorded a high of 45 according to Accuweather. High level clouds drifted across the state on a zonal flow, keeping skies partly sunny with moderate winds blowing as well.

Forecast:

On Tuesday, a wave of energy trailing a large low pressure system in the Great Lakes is forecast to produce some snow showers in the afternoon into evening for the northern mountains.

The German ICON model forecasts snow accumulations of between 1-4 inches is possible for mountains in the Front Range, Summit County and Park and Gore ranges.

A Weather.us forecast map from the ICON model shows the potential total accumulation levels of water-equivalent precipitation as of 9 a.m., Wednesday, April 24 for Colorado. Depending on the density of the snow, one inch of water is equivalent to 10 inches of snow based on a common rule of thumb ratio of 10:1. (Weather.us)
A Weather.us forecast map from the ICON model shows the potential total accumulation levels of water-equivalent precipitation as of 9 a.m., Wednesday, April 24 for Colorado. Depending on the density of the snow, one inch of water is equivalent to 10 inches of snow based on a common rule of thumb ratio of 10:1. (Weather.us)

On Wednesday and Thursday, spring-like temperatures will return with highs in the 50s and sunshine both days. 

Long Range:

Beginning Thursday night, rain will turn over to snow after sunset and a prolonged period of snow is forecast to start, with snow accumulating into Sunday.

Not all of the forecast models, like the ECWMF model, are lining up with the GFS or ICON models currently, but snow accumulations are showing for all mountain regions, especially the northern and eastern mountains.

From Tuesday morning’s model run, forecasted snow water equivalent grand totals range between 2-2.4 inches or 20-24 inches of snow. However, not all of this could fall as snow either, lessening snow accumulation totals.

ICON model:

A Weather.us forecast map from the ICON model shows the potential total accumulation levels of water-equivalent precipitation as of 10 a.m., Sunday, April 28 for Colorado. Depending on the density of the snow, one inch of water is equivalent to 10 inches of snow based on a common rule of thumb ratio of 10:1. (Weather.us)
A Weather.us forecast map from the ICON model shows the potential total accumulation levels of water-equivalent precipitation as of 10 a.m., Sunday, April 28 for Colorado. Depending on the density of the snow, one inch of water is equivalent to 10 inches of snow based on a common rule of thumb ratio of 10:1. (Weather.us)

But snow accumulations at even half these amounts is still between 10-12 inches.

The storm is some what a conglomerate of two storms, one from the northwest, one from the southwest, mixing and intertwining over Colorado and Utah for about three days.

The southwest storm will affect the state first (Friday and Friday night), then the second storm will affect the state Saturday into Sunday, with the second storm bringing the bulk of snow.

Both Saturday and Sunday should offer skiers and riders at all remaining ski resorts some form of moderately dense snow each day.

Another snow report will be put out on Thursday with more details on the weekend storm.

Today’s 24 hour snow totals from Colorado resorts:

Arapahoe Basin – 0″

Breckenridge – 0″ (Parts of Peak 8, plus Peaks 9 and 10 closed)

Copper Mountain – 0″

Loveland – 0″

Purgatory – 0″ (Open Fri-Sun)

Winter Park – 0″


Aspen Highlands – Closed for season

Aspen Mountain – Closed for season

Beaver Creek – Closed for season

Buttermilk – Closed for season

Cooper – Closed for season

Crested Butte – Closed for season

Echo Mountain – Closed for season

Eldora Mountain – Closed for season

Granby Ranch – Closed for season

Hesperus – Closed for season

Howelsen Hill – Closed for season

Kendall Mountain – Closed for season

Keystone – Closed for season

Monarch – Closed for season

Powderhorn – Closed for season

Silverton – Closed for season

Snowmass – Closed for season

Steamboat – Closed for season

Sunlight – Closed for season

Telluride – Closed for season

Vail – Closed for season

Wolf Creek – Closed for season



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