National Weather Service United States Department of Commerce

Powerful Pacific System Impacting the West; First Significant Snow for Portions of the East

Power Pacific system will continue to bring significant impacts for Pacific Northwest into northern California the remainder of the week. Dangerous coastal affects, heavy rain, flooding, strong winds, and higher elevation mountain snow continues. Meanwhile, a storm across the east is set to bring the first accumulating snow to many higher elevations of the Catskills into the central Appalachians. Read More >

 

Pictures from around western Colorado and eastern Utah

 

SURFACE  |  UPPER AIR  |  CAMERAS  |  WINTER DATA  | ROAD CONDITIONS 

 

Winter Data

 Snow data  | Avalanche Information | Snow Information  |  Wind Chill 

 Snow Data

Daily SNOTEL Reports using Old 1961 to 1990 climate averages. From NRCS 

"SNOTEL (Snow Telemetry) is a remote measuring system, operated and maintained by the Snow Survey branch of the Natural Resources Conservation Service , designed to determine the water equivalent (not snow depth) of mountain snowpacks. 

Avalanche Information

Snow Information

Wind Chill 

 

 

Wind Chill Chart
Temperature (°F)
Wind
Speed
(MPH)
calm 40 35 30 25 20 15 10 5 0 -5 -10 -15 -20 -25
5 36 31 25 19 13 7 1 -5 -11 -16 -22 -28 -34 -40
10 34 27 21 15 9 3 -4 -10 -16 -22 -28 -35 -41 -47
15 32 25 19 13 6 0 -7 -13 -19 -26 -32 -39 -45 -51
20 30 24 17 11 4 -2 -9 -15 -22 -29 -35 -42 -48 -55
25 29 23 16 9 3 -4 -11 -17 -24 -31 -37 -44 -51 -58
30 28 22 15 8 1 -5 -12 -19 -26 -33 -39 -46 -53 -60
35 28 21 14 7 0 -7 -14 -21 -27 -34 -41 -48 -55 -62
40 27 20 13 6 -1 -8 -15 -22 -29 -36 -43 -50 -57 -64
45 26 19 12 5 -2 -9 -16 -23 -30 -37 -44 -51 -58 -65

"Calm-air" as used in wind chill determinations actually refers to the conditions created by a person walking briskly (at 4 miles-per-hour) under calm wind conditions.

Frostbite Time for Exposed Skin (minutes)

  30   15   10   5