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 24-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 Fri May 23 2025 49F 42F / 47% WSW 8 G 15 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Fri May 23 2025 48F 42F / 60% SW 11 G 20 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Fri May 23 2025 44F 40F / 61% WSW 14 G 21 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Fri May 23 2025 43F 40F / 45% WSW 14 G 23 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Fri May 23 2025 42F 40F / 36% WSW 12 G 18 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Fri May 23 2025 41F 40F / 40% WSW 11 G 15 MPH 10300 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Sat May 24 2025 40F 40F / 51% S 10 G 14 MPH 9600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Sat May 24 2025 39F 39F / 46% SW 9 G 13 MPH 9900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Sat May 24 2025 40F 38F / 43% SW 9 G 13 MPH 10000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Sat May 24 2025 38F 38F / 44% WSW 10 G 13 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Sat May 24 2025 38F 38F / 42% S 10 G 13 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Sat May 24 2025 40F 38F / 43% WSW 11 G 13 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Sat May 24 2025 39F 38F / 42% WSW 11 G 15 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Sat May 24 2025 38F 36F / 43% WNW 10 G 14 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Sat May 24 2025 39F 37F / 43% NNE 12 G 18 MPH 10000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Sat May 24 2025 41F 38F / 46% E 13 G 20 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Sat May 24 2025 43F 38F / 37% E 11 G 16 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Sat May 24 2025 46F 40F / 44% ESE 6 G 10 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Sat May 24 2025 49F 41F / 47% NW 5 G 8 MPH 10000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Sat May 24 2025 52F 43F / 48% W 7 G 14 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Sat May 24 2025 53F 44F / 42% W 7 G 14 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Sat May 24 2025 54F 44F / 37% W 9 G 18 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Sat May 24 2025 54F 45F / 33% WNW 10 G 17 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Sat May 24 2025 53F 44F / 28% W 14 G 23 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Sat May 24 2025 49F 43F / 31% W 14 G 26 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Sat May 24 2025 48F 43F / 34% WSW 11 G 20 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Sat May 24 2025 45F 41F / 38% WSW 11 G 17 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Sat May 24 2025 41F 39F / 45% WSW 10 G 15 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Sat May 24 2025 41F 39F / 42% NNW 12 G 19 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Sat May 24 2025 40F 38F / 51% N 14 G 24 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Sun May 25 2025 39F 38F / 48% SE 13 G 20 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Sun May 25 2025 39F 38F / 51% SE 13 G 20 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Sun May 25 2025 40F 38F / 41% SSW 13 G 19 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Sun May 25 2025 38F 36F / 55% SSW 13 G 17 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Sun May 25 2025 38F 36F / 50% W 13 G 17 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Sun May 25 2025 39F 36F / 52% WSW 12 G 18 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Sun May 25 2025 38F 36F / 53% W 8 G 12 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Sun May 25 2025 38F 37F / 55% WSW 10 G 12 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Sun May 25 2025 40F 39F / 50% SW 9 G 11 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Sun May 25 2025 41F 39F / 54% SSE 8 G 12 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Sun May 25 2025 44F 39F / 60% SSE 7 G 12 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Sun May 25 2025 47F 41F / 69% SE 5 G 11 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Sun May 25 2025 50F 43F / 55% SE 3 G 9 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Sun May 25 2025 51F 44F / 58% W 8 G 16 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Sun May 25 2025 49F 42F / 55% SE 8 G 16 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Sun May 25 2025 37F 32F / 91% S 9 G 15 MPH 10500 FT 0:1 / -% 0.19" / 0.0" 0.19" / 0.0" 46 04 PM Sun May 25 2025 35F 31F / 91% WNW 13 G 22 MPH 10600 FT 0:1 / -% 0.18" / 0.0" 0.37" / 0.0" 47 05 PM Sun May 25 2025 35F 31F / 87% SW 7 G 19 MPH 10200 FT 5:1 / 20% 0.09" / 0.4" 0.46" / 0.4" 48 06 PM Sun May 25 2025 40F 36F / 77% WSW 9 G 16 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.46" / 0.4"