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 11-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 Sun May 11 2025 41F 40F / 48% SSW 24 G 47 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Sun May 11 2025 41F 40F / 43% SSW 25 G 44 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Sun May 11 2025 42F 39F / 50% SSW 25 G 44 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Sun May 11 2025 42F 39F / 49% SSW 25 G 45 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Sun May 11 2025 41F 38F / 49% SSW 24 G 44 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Sun May 11 2025 47F 40F / 55% SSW 20 G 38 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Sun May 11 2025 51F 41F / 51% SSW 20 G 42 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Sun May 11 2025 52F 43F / 45% SSW 20 G 43 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Sun May 11 2025 54F 43F / 44% SSW 22 G 47 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Sun May 11 2025 53F 43F / 43% S 21 G 45 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Sun May 11 2025 53F 44F / 40% SSW 20 G 45 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Sun May 11 2025 52F 44F / 46% SSW 22 G 47 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Sun May 11 2025 49F 44F / 43% SSW 22 G 48 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Sun May 11 2025 46F 43F / 38% SSW 24 G 49 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Sun May 11 2025 45F 42F / 40% SSW 25 G 48 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Sun May 11 2025 44F 41F / 36% SSW 26 G 48 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Sun May 11 2025 43F 41F / 43% SSW 28 G 55 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Sun May 11 2025 43F 40F / 43% SSW 29 G 57 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Mon May 12 2025 41F 40F / 38% SW 30 G 56 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Mon May 12 2025 41F 39F / 36% SW 30 G 55 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Mon May 12 2025 40F 38F / 37% SW 30 G 55 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Mon May 12 2025 40F 38F / 34% SW 31 G 56 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Mon May 12 2025 40F 38F / 35% SW 28 G 52 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Mon May 12 2025 39F 38F / 41% SW 29 G 52 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Mon May 12 2025 40F 38F / 43% SSW 30 G 56 MPH 10000 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Mon May 12 2025 39F 36F / 43% SSW 30 G 55 MPH 9500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Mon May 12 2025 40F 36F / 51% SSW 29 G 55 MPH 9400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Mon May 12 2025 41F 37F / 47% SSW 30 G 54 MPH 9600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Mon May 12 2025 43F 38F / 41% SSW 28 G 55 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Mon May 12 2025 45F 38F / 39% SSW 25 G 57 MPH 9500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Mon May 12 2025 48F 39F / 45% S 23 G 52 MPH 9600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Mon May 12 2025 50F 40F / 39% S 21 G 49 MPH 9800 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Mon May 12 2025 51F 41F / 33% S 20 G 47 MPH 10200 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Mon May 12 2025 51F 42F / 32% S 19 G 47 MPH 10300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Mon May 12 2025 50F 42F / 31% S 21 G 50 MPH 10200 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Mon May 12 2025 50F 41F / 31% S 19 G 47 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Mon May 12 2025 45F 41F / 32% S 20 G 45 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Mon May 12 2025 43F 41F / 36% S 24 G 48 MPH 10300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Mon May 12 2025 42F 40F / 31% SSW 25 G 53 MPH 10200 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Mon May 12 2025 41F 39F / 32% SSW 25 G 49 MPH 10100 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Mon May 12 2025 40F 38F / 36% SSW 24 G 46 MPH 10000 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Mon May 12 2025 40F 37F / 39% SSW 25 G 50 MPH 9900 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Tue May 13 2025 39F 36F / 38% SSW 27 G 55 MPH 9400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Tue May 13 2025 39F 36F / 42% SSW 30 G 58 MPH 9000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Tue May 13 2025 38F 35F / 45% SSW 30 G 56 MPH 8700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Tue May 13 2025 38F 34F / 52% SSW 28 G 57 MPH 8600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Tue May 13 2025 37F 34F / 57% SSW 28 G 55 MPH 8100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Tue May 13 2025 37F 33F / 55% SSW 28 G 56 MPH 7500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Tue May 13 2025 37F 33F / 53% SSW 29 G 55 MPH 7500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0"