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 10-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 09 2025 50F 46F / 44% WNW 8 G 13 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Fri May 09 2025 48F 45F / 43% NW 9 G 13 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Fri May 09 2025 45F 42F / 44% W 8 G 12 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Fri May 09 2025 43F 42F / 38% WNW 6 G 9 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Fri May 09 2025 43F 42F / 32% ESE 8 G 13 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Fri May 09 2025 43F 42F / 34% ESE 9 G 14 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Sat May 10 2025 42F 42F / 41% ESE 9 G 14 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Sat May 10 2025 42F 41F / 45% SE 10 G 17 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Sat May 10 2025 43F 41F / 48% SSE 11 G 20 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Sat May 10 2025 43F 41F / 40% SSE 13 G 23 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Sat May 10 2025 41F 40F / 39% SSE 15 G 25 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Sat May 10 2025 40F 40F / 42% S 15 G 24 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Sat May 10 2025 40F 40F / 46% SSW 17 G 27 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Sat May 10 2025 40F 39F / 49% SSW 17 G 28 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Sat May 10 2025 41F 40F / 47% SSW 16 G 26 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Sat May 10 2025 41F 40F / 48% SSW 16 G 25 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Sat May 10 2025 43F 41F / 48% SSW 14 G 25 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Sat May 10 2025 48F 42F / 50% S 12 G 24 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Sat May 10 2025 51F 44F / 48% S 12 G 23 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Sat May 10 2025 54F 45F / 44% S 9 G 21 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Sat May 10 2025 55F 46F / 48% SSW 8 G 19 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Sat May 10 2025 55F 46F / 35% SSW 9 G 20 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Sat May 10 2025 54F 46F / 35% SW 10 G 22 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Sat May 10 2025 55F 47F / 36% SW 13 G 24 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Sat May 10 2025 50F 47F / 29% SW 13 G 24 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Sat May 10 2025 47F 45F / 33% SW 12 G 24 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Sat May 10 2025 46F 44F / 34% SSW 14 G 24 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Sat May 10 2025 46F 44F / 30% SSW 15 G 26 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Sat May 10 2025 45F 44F / 30% S 15 G 26 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Sat May 10 2025 44F 43F / 36% S 19 G 33 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Sun May 11 2025 43F 43F / 36% S 20 G 36 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Sun May 11 2025 43F 42F / 29% SSW 21 G 40 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Sun May 11 2025 42F 41F / 32% SSW 21 G 36 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Sun May 11 2025 41F 40F / 36% SSW 20 G 39 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Sun May 11 2025 41F 39F / 38% SSW 23 G 42 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Sun May 11 2025 40F 39F / 40% SW 24 G 43 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Sun May 11 2025 40F 39F / 39% SW 22 G 40 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Sun May 11 2025 40F 39F / 42% SSW 24 G 41 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Sun May 11 2025 41F 40F / 44% SSW 23 G 43 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Sun May 11 2025 43F 41F / 48% SSW 23 G 41 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Sun May 11 2025 44F 41F / 47% SSW 22 G 41 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Sun May 11 2025 47F 41F / 49% SSW 20 G 42 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Sun May 11 2025 49F 42F / 52% SSW 21 G 43 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Sun May 11 2025 52F 43F / 50% SSW 21 G 45 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Sun May 11 2025 53F 44F / 50% SSW 20 G 42 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Sun May 11 2025 52F 43F / 53% SSW 20 G 44 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Sun May 11 2025 51F 44F / 50% SSW 19 G 41 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Sun May 11 2025 51F 44F / 52% SSW 20 G 45 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Sun May 11 2025 49F 44F / 50% SSW 23 G 44 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"