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 01-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 12 AM Sun Jun 01 2025 49F 48F / 19% SW 9 G 11 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Sun Jun 01 2025 49F 48F / 9% WSW 11 G 14 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Sun Jun 01 2025 48F 47F / 10% W 10 G 13 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Sun Jun 01 2025 48F 47F / 10% W 11 G 14 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Sun Jun 01 2025 48F 47F / 15% WNW 13 G 17 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Sun Jun 01 2025 47F 46F / 18% WNW 16 G 22 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Sun Jun 01 2025 47F 47F / 22% NW 18 G 23 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Sun Jun 01 2025 47F 46F / 18% NW 15 G 20 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Sun Jun 01 2025 48F 47F / 19% NNW 15 G 20 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Sun Jun 01 2025 50F 48F / 24% NW 14 G 17 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Sun Jun 01 2025 53F 48F / 26% NW 8 G 13 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Sun Jun 01 2025 58F 49F / 39% WNW 6 G 12 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Sun Jun 01 2025 62F 52F / 29% WNW 8 G 11 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Sun Jun 01 2025 64F 54F / 16% WNW 7 G 12 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Sun Jun 01 2025 66F 55F / 12% W 6 G 12 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Sun Jun 01 2025 66F 56F / 11% W 8 G 14 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Sun Jun 01 2025 66F 55F / 12% W 8 G 15 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Sun Jun 01 2025 66F 56F / 12% WNW 9 G 16 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Sun Jun 01 2025 62F 55F / 14% WSW 6 G 10 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Sun Jun 01 2025 59F 54F / 20% W 11 G 16 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Sun Jun 01 2025 55F 51F / 29% WSW 10 G 15 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Sun Jun 01 2025 52F 49F / 32% SW 14 G 22 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Sun Jun 01 2025 48F 47F / 46% WSW 12 G 20 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Sun Jun 01 2025 48F 47F / 44% WNW 10 G 17 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Mon Jun 02 2025 49F 47F / 35% W 13 G 19 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Mon Jun 02 2025 49F 47F / 30% WSW 15 G 23 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Mon Jun 02 2025 46F 44F / 51% WSW 16 G 25 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Mon Jun 02 2025 45F 42F / 57% WSW 17 G 27 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Mon Jun 02 2025 44F 43F / 63% W 16 G 26 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Mon Jun 02 2025 45F 43F / 61% W 17 G 26 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Mon Jun 02 2025 44F 42F / 70% WNW 15 G 23 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Mon Jun 02 2025 44F 41F / 64% W 12 G 19 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Mon Jun 02 2025 45F 42F / 70% WNW 15 G 19 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Mon Jun 02 2025 46F 42F / 77% WNW 14 G 20 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Mon Jun 02 2025 48F 42F / 89% W 9 G 14 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Mon Jun 02 2025 50F 43F / 81% WSW 8 G 14 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Mon Jun 02 2025 52F 45F / 76% W 10 G 18 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Mon Jun 02 2025 56F 49F / 53% W 11 G 20 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Mon Jun 02 2025 57F 48F / 45% W 13 G 24 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Mon Jun 02 2025 57F 49F / 48% W 15 G 27 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Mon Jun 02 2025 58F 49F / 48% W 17 G 28 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Mon Jun 02 2025 58F 48F / 53% WNW 19 G 29 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Mon Jun 02 2025 55F 47F / 50% W 20 G 29 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Mon Jun 02 2025 51F 46F / 47% W 21 G 31 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Mon Jun 02 2025 49F 46F / 42% WNW 23 G 33 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Mon Jun 02 2025 45F 43F / 49% WNW 23 G 35 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Mon Jun 02 2025 43F 41F / 48% WNW 24 G 35 MPH 10000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Mon Jun 02 2025 41F 40F / 52% WNW 23 G 33 MPH 10100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Tue Jun 03 2025 40F 39F / 41% WNW 21 G 30 MPH 9800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0"