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 12Z 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 AM Sat May 10 2025 39F 40F / 38% S 16 G 24 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Sat May 10 2025 39F 39F / 42% SSE 15 G 24 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Sat May 10 2025 39F 39F / 43% S 14 G 22 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Sat May 10 2025 40F 40F / 42% S 15 G 25 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Sat May 10 2025 44F 42F / 42% S 15 G 27 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Sat May 10 2025 48F 43F / 42% S 14 G 27 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Sat May 10 2025 51F 44F / 45% S 13 G 25 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Sat May 10 2025 53F 44F / 42% S 11 G 23 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Sat May 10 2025 54F 45F / 41% S 9 G 23 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Sat May 10 2025 55F 46F / 34% SSW 9 G 20 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Sat May 10 2025 54F 47F / 29% SSW 10 G 22 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Sat May 10 2025 53F 47F / 32% SW 11 G 21 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Sat May 10 2025 51F 47F / 31% SSW 11 G 23 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Sat May 10 2025 49F 46F / 33% SW 13 G 23 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Sat May 10 2025 47F 44F / 26% SW 14 G 25 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Sat May 10 2025 46F 44F / 17% SSW 15 G 25 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Sat May 10 2025 46F 44F / 20% SSW 16 G 28 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Sat May 10 2025 45F 44F / 21% SSW 18 G 32 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Sun May 11 2025 45F 44F / 21% SSW 16 G 29 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Sun May 11 2025 44F 42F / 27% SSW 20 G 36 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Sun May 11 2025 42F 41F / 32% SSW 20 G 35 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Sun May 11 2025 42F 40F / 36% SSW 20 G 38 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Sun May 11 2025 41F 39F / 35% SSW 22 G 42 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Sun May 11 2025 41F 40F / 36% SW 25 G 46 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Sun May 11 2025 41F 39F / 38% SW 24 G 44 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Sun May 11 2025 40F 38F / 42% SW 24 G 43 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Sun May 11 2025 41F 38F / 40% SW 26 G 45 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Sun May 11 2025 42F 38F / 51% SW 25 G 44 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Sun May 11 2025 44F 39F / 47% SW 23 G 43 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Sun May 11 2025 46F 39F / 47% SSW 20 G 41 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Sun May 11 2025 50F 41F / 51% SSW 20 G 42 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Sun May 11 2025 52F 42F / 48% SSW 20 G 42 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Sun May 11 2025 53F 42F / 38% SSW 21 G 46 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Sun May 11 2025 52F 43F / 40% SSW 19 G 43 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Sun May 11 2025 52F 43F / 40% SSW 20 G 44 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Sun May 11 2025 52F 43F / 45% SSW 19 G 40 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Sun May 11 2025 48F 43F / 40% S 22 G 46 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Sun May 11 2025 46F 44F / 44% SSW 25 G 47 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Sun May 11 2025 44F 42F / 42% SSW 23 G 47 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Sun May 11 2025 43F 41F / 45% SSW 24 G 46 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Sun May 11 2025 43F 41F / 45% SSW 26 G 48 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Sun May 11 2025 43F 40F / 46% SSW 26 G 54 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Mon May 12 2025 41F 39F / 46% SSW 28 G 56 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Mon May 12 2025 40F 39F / 43% SW 27 G 52 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Mon May 12 2025 40F 39F / 43% SW 28 G 49 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Mon May 12 2025 40F 38F / 39% SSW 27 G 50 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Mon May 12 2025 40F 38F / 39% SSW 29 G 50 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Mon May 12 2025 40F 38F / 35% SSW 29 G 56 MPH 9800 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Mon May 12 2025 41F 38F / 41% SSW 30 G 53 MPH 9600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0"