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 18Z 23-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 12 PM Fri May 23 2025 50F 41F / 42% SSW 9 G 16 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 1 01 PM Fri May 23 2025 51F 41F / 42% SSW 9 G 18 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 PM Fri May 23 2025 53F 42F / 34% SSW 7 G 17 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 PM Fri May 23 2025 54F 43F / 38% SW 9 G 18 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 PM Fri May 23 2025 53F 44F / 37% SSW 8 G 18 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 PM Fri May 23 2025 54F 44F / 37% W 11 G 20 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 PM Fri May 23 2025 51F 44F / 40% WSW 11 G 19 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 PM Fri May 23 2025 48F 42F / 44% WSW 10 G 18 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 PM Fri May 23 2025 45F 41F / 48% WSW 11 G 17 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 PM Fri May 23 2025 43F 40F / 36% SW 12 G 18 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 PM Fri May 23 2025 42F 40F / 34% SSW 11 G 15 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 11 11 PM Fri May 23 2025 40F 40F / 41% S 10 G 12 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 12 12 AM Sat May 24 2025 40F 39F / 37% SSE 10 G 16 MPH 10200 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 13 01 AM Sat May 24 2025 39F 39F / 35% SW 10 G 15 MPH 10100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 14 02 AM Sat May 24 2025 38F 38F / 42% W 10 G 14 MPH 10300 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 15 03 AM Sat May 24 2025 38F 38F / 39% SSW 11 G 15 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 AM Sat May 24 2025 38F 38F / 40% S 13 G 17 MPH 10300 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 17 05 AM Sat May 24 2025 40F 38F / 36% SW 11 G 14 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 18 06 AM Sat May 24 2025 39F 38F / 33% SW 11 G 14 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 19 07 AM Sat May 24 2025 39F 37F / 40% WSW 10 G 12 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 20 08 AM Sat May 24 2025 39F 37F / 41% SW 10 G 14 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 21 09 AM Sat May 24 2025 41F 38F / 45% W 9 G 12 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 22 10 AM Sat May 24 2025 44F 38F / 43% WSW 6 G 10 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 23 11 AM Sat May 24 2025 48F 40F / 54% SW 6 G 12 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 24 12 PM Sat May 24 2025 51F 42F / 54% WSW 5 G 10 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 PM Sat May 24 2025 52F 43F / 58% SW 8 G 14 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 PM Sat May 24 2025 54F 44F / 47% WSW 8 G 16 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 PM Sat May 24 2025 54F 45F / 45% WSW 8 G 16 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 PM Sat May 24 2025 55F 45F / 42% W 7 G 15 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 PM Sat May 24 2025 53F 45F / 37% W 8 G 16 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 PM Sat May 24 2025 50F 43F / 41% WNW 11 G 19 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 PM Sat May 24 2025 47F 42F / 49% WNW 12 G 20 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 PM Sat May 24 2025 44F 40F / 52% WNW 11 G 16 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 PM Sat May 24 2025 42F 40F / 44% WNW 13 G 20 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 PM Sat May 24 2025 42F 39F / 45% NW 12 G 21 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 PM Sat May 24 2025 40F 39F / 49% NW 13 G 20 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 AM Sun May 25 2025 39F 38F / 57% N 13 G 24 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 AM Sun May 25 2025 39F 38F / 56% E 14 G 25 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 AM Sun May 25 2025 39F 39F / 52% N 13 G 19 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 AM Sun May 25 2025 40F 39F / 46% SSW 12 G 17 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 AM Sun May 25 2025 40F 39F / 45% S 13 G 19 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 AM Sun May 25 2025 39F 38F / 42% SW 15 G 19 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 AM Sun May 25 2025 39F 39F / 44% WSW 13 G 17 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 AM Sun May 25 2025 40F 39F / 48% WSW 12 G 14 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 AM Sun May 25 2025 41F 40F / 39% WSW 10 G 15 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 AM Sun May 25 2025 42F 41F / 43% SW 10 G 14 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 AM Sun May 25 2025 44F 41F / 48% SE 6 G 11 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 AM Sun May 25 2025 49F 42F / 58% SSE 6 G 11 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 PM Sun May 25 2025 52F 44F / 47% SSW 4 G 10 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"