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 09-Jun-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 Sun Jun 08 2025 58F 52F / 27% WNW 13 G 19 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Sun Jun 08 2025 55F 51F / 35% WNW 13 G 19 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Sun Jun 08 2025 51F 48F / 36% WNW 14 G 19 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Sun Jun 08 2025 48F 46F / 41% NW 15 G 24 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Sun Jun 08 2025 48F 45F / 61% NNW 17 G 26 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Sun Jun 08 2025 47F 45F / 63% NNW 18 G 26 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Mon Jun 09 2025 46F 45F / 63% N 17 G 27 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Mon Jun 09 2025 45F 44F / 68% NNE 17 G 26 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Mon Jun 09 2025 45F 44F / 63% NNE 14 G 23 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Mon Jun 09 2025 43F 43F / 57% N 15 G 20 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Mon Jun 09 2025 44F 43F / 56% NE 13 G 18 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Mon Jun 09 2025 44F 43F / 54% NE 13 G 18 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Mon Jun 09 2025 43F 43F / 56% ENE 13 G 18 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Mon Jun 09 2025 44F 43F / 49% ESE 12 G 18 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Mon Jun 09 2025 44F 43F / 52% E 10 G 13 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Mon Jun 09 2025 45F 44F / 57% SE 10 G 13 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Mon Jun 09 2025 49F 45F / 55% E 9 G 14 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Mon Jun 09 2025 53F 46F / 62% ESE 7 G 12 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Mon Jun 09 2025 58F 49F / 50% ENE 5 G 9 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Mon Jun 09 2025 61F 52F / 25% NNW 4 G 9 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Mon Jun 09 2025 64F 54F / 18% NW 8 G 15 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Mon Jun 09 2025 65F 54F / 11% WNW 6 G 12 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Mon Jun 09 2025 65F 54F / 15% WNW 12 G 19 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Mon Jun 09 2025 65F 54F / 13% WNW 10 G 16 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Mon Jun 09 2025 61F 55F / 18% WNW 10 G 16 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Mon Jun 09 2025 58F 53F / 26% WNW 14 G 21 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Mon Jun 09 2025 54F 50F / 32% W 12 G 19 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Mon Jun 09 2025 50F 49F / 35% WNW 13 G 19 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Mon Jun 09 2025 50F 49F / 31% WNW 14 G 20 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Mon Jun 09 2025 49F 48F / 36% WNW 11 G 15 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Tue Jun 10 2025 48F 48F / 36% SSW 12 G 15 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Tue Jun 10 2025 48F 48F / 39% WSW 11 G 16 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Tue Jun 10 2025 48F 47F / 43% NW 12 G 17 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Tue Jun 10 2025 47F 46F / 40% WNW 13 G 16 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Tue Jun 10 2025 47F 46F / 40% NW 12 G 16 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Tue Jun 10 2025 47F 46F / 39% NW 13 G 17 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Tue Jun 10 2025 47F 46F / 43% WNW 14 G 19 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Tue Jun 10 2025 47F 47F / 32% WNW 16 G 19 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Tue Jun 10 2025 48F 49F / 26% WNW 15 G 18 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Tue Jun 10 2025 50F 50F / 38% WNW 14 G 19 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Tue Jun 10 2025 53F 49F / 35% WNW 12 G 17 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Tue Jun 10 2025 58F 50F / 30% W 9 G 15 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Tue Jun 10 2025 63F 54F / 17% W 9 G 16 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Tue Jun 10 2025 64F 56F / 17% W 10 G 19 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Tue Jun 10 2025 65F 56F / 21% W 11 G 19 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Tue Jun 10 2025 65F 56F / 22% W 13 G 24 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Tue Jun 10 2025 65F 56F / 22% W 13 G 23 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Tue Jun 10 2025 66F 56F / 21% W 16 G 24 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Tue Jun 10 2025 62F 55F / 22% W 15 G 23 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"