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 06Z 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 12 AM Sat May 24 2025 40F 38F / 47% S 8 G 10 MPH 9600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Sat May 24 2025 40F 38F / 44% SSW 9 G 14 MPH 9900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Sat May 24 2025 39F 38F / 42% SE 9 G 12 MPH 9700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Sat May 24 2025 39F 38F / 39% S 14 G 21 MPH 9600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Sat May 24 2025 39F 38F / 33% SW 16 G 23 MPH 9600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Sat May 24 2025 38F 38F / 37% WSW 14 G 20 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Sat May 24 2025 38F 37F / 42% SW 12 G 15 MPH 9900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Sat May 24 2025 37F 36F / 50% WSW 10 G 13 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Sat May 24 2025 39F 37F / 45% SW 10 G 14 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Sat May 24 2025 41F 38F / 48% SSW 10 G 12 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Sat May 24 2025 44F 38F / 62% SW 7 G 13 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Sat May 24 2025 48F 40F / 60% SSW 7 G 12 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Sat May 24 2025 50F 41F / 67% SW 6 G 11 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Sat May 24 2025 52F 43F / 65% WSW 6 G 12 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Sat May 24 2025 53F 43F / 52% WSW 6 G 13 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Sat May 24 2025 54F 45F / 40% W 7 G 14 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Sat May 24 2025 54F 44F / 39% W 8 G 16 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Sat May 24 2025 52F 44F / 38% WSW 8 G 15 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Sat May 24 2025 48F 42F / 41% W 8 G 13 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Sat May 24 2025 47F 42F / 51% W 10 G 14 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Sat May 24 2025 44F 40F / 55% WNW 11 G 18 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Sat May 24 2025 41F 40F / 43% WNW 12 G 17 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Sat May 24 2025 41F 39F / 41% WNW 11 G 17 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Sat May 24 2025 41F 38F / 46% NW 12 G 21 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Sun May 25 2025 39F 37F / 53% NNE 15 G 26 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Sun May 25 2025 39F 37F / 46% E 11 G 17 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Sun May 25 2025 38F 38F / 45% SE 12 G 14 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Sun May 25 2025 38F 36F / 55% E 15 G 22 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Sun May 25 2025 37F 36F / 56% WSW 14 G 19 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Sun May 25 2025 39F 36F / 55% W 13 G 17 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Sun May 25 2025 39F 36F / 52% WNW 12 G 15 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Sun May 25 2025 38F 35F / 54% WNW 12 G 16 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Sun May 25 2025 40F 36F / 52% WNW 11 G 15 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Sun May 25 2025 41F 37F / 65% W 11 G 14 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Sun May 25 2025 43F 37F / 77% W 7 G 11 MPH 10300 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Sun May 25 2025 45F 38F / 70% S 7 G 13 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Sun May 25 2025 47F 41F / 64% W 6 G 11 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Sun May 25 2025 51F 43F / 57% W 9 G 17 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Sun May 25 2025 50F 42F / 47% WNW 13 G 23 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Sun May 25 2025 52F 43F / 54% W 14 G 23 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Sun May 25 2025 51F 42F / 39% W 13 G 22 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Sun May 25 2025 38F 34F / 87% SSW 13 G 23 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Sun May 25 2025 37F 34F / 89% SW 13 G 18 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Sun May 25 2025 38F 35F / 95% W 11 G 14 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Sun May 25 2025 37F 35F / 83% WNW 14 G 20 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Sun May 25 2025 37F 35F / 68% NW 17 G 27 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Sun May 25 2025 36F 34F / 75% NW 17 G 25 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Sun May 25 2025 35F 34F / 76% NNW 17 G 25 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Mon May 26 2025 35F 33F / 70% NNW 18 G 25 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"