ALTA/LITTLE COTTONWOOD CANYON HRRR-DERIVED FORECAST GUIDANCE *************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED, AND UNOFFICIAL FORECAST * *************************************************************** CREATED/MAINTAINED BY THE STEENBURGH GROUP DEPARTMENT OF ATMOSPHERIC SCIENCES UNIVERSITY OF UTAH Contact: jim.steenburgh@utah.edu WETBULBZERO, 1H QPF, ACCUM QPF DIRECTLY FROM HRRR COLLINS SNOW RATIO/H2O, MT BALDY T/RH, MT BALDY WIND, 1H SNOW, and ACCUM SNOW based on machine learning including UU RF SLR algorithm Based on 00Z 25-May-2025 intialized HRRR FORECAST HOURS 0-48 FHR VALID MOUNTAIN TIME COLLINS T MT BALDY T/RH MT BALDY WIND WETBULBZERO SLR/H2O 1H QPF / 1H SNOW / ACCUM QPF / ACCUM SNOW 0 06 PM Sat May 24 2025 47F 42F / 50% W 5 G 10 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Sat May 24 2025 46F 41F / 60% WNW 8 G 12 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Sat May 24 2025 42F 39F / 60% WNW 9 G 14 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Sat May 24 2025 40F 38F / 43% NW 10 G 15 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Sat May 24 2025 40F 38F / 43% NW 11 G 16 MPH 10300 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Sat May 24 2025 39F 37F / 50% NW 11 G 16 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Sun May 25 2025 38F 38F / 56% ENE 11 G 17 MPH 10200 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Sun May 25 2025 37F 37F / 49% E 10 G 15 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Sun May 25 2025 38F 37F / 47% SE 10 G 16 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Sun May 25 2025 38F 36F / 50% ESE 10 G 13 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Sun May 25 2025 38F 36F / 52% SSE 8 G 11 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Sun May 25 2025 37F 35F / 61% WSW 9 G 10 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Sun May 25 2025 37F 35F / 59% WNW 9 G 10 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Sun May 25 2025 37F 35F / 53% WSW 9 G 12 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Sun May 25 2025 39F 36F / 47% WNW 10 G 13 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Sun May 25 2025 40F 36F / 50% WNW 9 G 13 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Sun May 25 2025 42F 37F / 59% NE 5 G 8 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Sun May 25 2025 45F 39F / 56% NW 5 G 8 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Sun May 25 2025 48F 39F / 60% NW 7 G 11 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Sun May 25 2025 49F 40F / 51% WNW 8 G 15 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Sun May 25 2025 51F 42F / 43% WNW 11 G 18 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Sun May 25 2025 52F 43F / 41% WNW 11 G 20 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Sun May 25 2025 52F 42F / 36% WNW 11 G 17 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Sun May 25 2025 52F 43F / 33% WNW 9 G 15 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Sun May 25 2025 49F 42F / 33% WNW 14 G 23 MPH 10200 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Sun May 25 2025 46F 41F / 35% WNW 12 G 18 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Sun May 25 2025 42F 37F / 49% WNW 14 G 19 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Sun May 25 2025 39F 37F / 45% NW 13 G 19 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Sun May 25 2025 39F 37F / 54% NW 12 G 17 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Sun May 25 2025 39F 37F / 56% NW 16 G 22 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Mon May 26 2025 39F 37F / 54% NNW 17 G 23 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Mon May 26 2025 38F 37F / 53% NNW 15 G 22 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Mon May 26 2025 38F 36F / 53% NNW 15 G 21 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Mon May 26 2025 38F 35F / 55% NNW 14 G 18 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Mon May 26 2025 37F 35F / 62% N 12 G 18 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Mon May 26 2025 37F 35F / 57% NNW 13 G 18 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Mon May 26 2025 37F 35F / 58% NW 13 G 17 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Mon May 26 2025 37F 36F / 55% NNW 13 G 16 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Mon May 26 2025 38F 37F / 53% NW 12 G 14 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Mon May 26 2025 40F 38F / 59% N 12 G 17 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Mon May 26 2025 43F 38F / 63% N 9 G 14 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Mon May 26 2025 48F 40F / 51% N 8 G 14 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Mon May 26 2025 51F 43F / 39% NNW 7 G 13 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Mon May 26 2025 53F 45F / 34% WNW 9 G 15 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Mon May 26 2025 57F 47F / 34% WNW 9 G 16 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Mon May 26 2025 57F 49F / 31% WNW 11 G 19 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Mon May 26 2025 57F 48F / 36% WNW 11 G 19 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Mon May 26 2025 58F 48F / 39% WNW 11 G 17 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Mon May 26 2025 55F 48F / 43% WNW 13 G 19 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"