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 22-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 22 2025 30F 23F / 98% WNW 12 G 23 MPH 8400 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Sun Jun 22 2025 30F 22F / 94% WNW 12 G 25 MPH 8000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Sun Jun 22 2025 30F 22F / 90% WNW 13 G 23 MPH 8000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Sun Jun 22 2025 30F 23F / 94% W 11 G 20 MPH 7800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Sun Jun 22 2025 30F 24F / 93% WSW 10 G 20 MPH 7800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Sun Jun 22 2025 29F 23F / 100% WSW 10 G 20 MPH 7500 FT 11:1 / 9% 0.01" / 0.1" 0.01" / 0.1" 6 06 AM Sun Jun 22 2025 29F 22F / 100% WSW 10 G 18 MPH 7300 FT 11:1 / 9% 0.01" / 0.1" 0.02" / 0.2" 7 07 AM Sun Jun 22 2025 29F 22F / 100% SW 14 G 24 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 8 08 AM Sun Jun 22 2025 28F 22F / 100% WSW 18 G 31 MPH 7400 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 9 09 AM Sun Jun 22 2025 27F 21F / 100% WSW 18 G 29 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 10 10 AM Sun Jun 22 2025 29F 23F / 59% WSW 17 G 28 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 11 11 AM Sun Jun 22 2025 32F 25F / 63% W 13 G 22 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 12 12 PM Sun Jun 22 2025 35F 26F / 74% W 11 G 20 MPH 7500 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 13 01 PM Sun Jun 22 2025 36F 27F / 75% W 10 G 19 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 14 02 PM Sun Jun 22 2025 38F 28F / 71% W 10 G 21 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 15 03 PM Sun Jun 22 2025 39F 29F / 69% W 10 G 20 MPH 7700 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.2" 16 04 PM Sun Jun 22 2025 39F 30F / 66% W 11 G 22 MPH 7800 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 17 05 PM Sun Jun 22 2025 39F 30F / 65% W 14 G 23 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 18 06 PM Sun Jun 22 2025 38F 31F / 63% W 14 G 23 MPH 7800 FT 12:1 / 8% 0.00" / 0.0" 0.02" / 0.2" 19 07 PM Sun Jun 22 2025 35F 30F / 58% W 12 G 20 MPH 7800 FT 12:1 / 8% 0.00" / 0.0" 0.02" / 0.2" 20 08 PM Sun Jun 22 2025 33F 28F / 56% W 12 G 18 MPH 7900 FT 12:1 / 8% 0.00" / 0.0" 0.02" / 0.2" 21 09 PM Sun Jun 22 2025 31F 29F / 48% W 13 G 17 MPH 8000 FT 12:1 / 8% 0.00" / 0.0" 0.02" / 0.2" 22 10 PM Sun Jun 22 2025 30F 29F / 46% WSW 14 G 16 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 23 11 PM Sun Jun 22 2025 30F 29F / 51% WSW 15 G 18 MPH 7900 FT 12:1 / 8% 0.00" / 0.0" 0.02" / 0.2" 24 12 AM Mon Jun 23 2025 30F 29F / 53% W 16 G 21 MPH 8000 FT 12:1 / 8% 0.00" / 0.0" 0.02" / 0.2" 25 01 AM Mon Jun 23 2025 30F 29F / 48% W 15 G 21 MPH 7600 FT 12:1 / 8% 0.00" / 0.0" 0.02" / 0.2" 26 02 AM Mon Jun 23 2025 30F 30F / 43% W 15 G 21 MPH 7800 FT 12:1 / 8% 0.00" / 0.0" 0.02" / 0.2" 27 03 AM Mon Jun 23 2025 31F 31F / 40% W 16 G 22 MPH 8000 FT 12:1 / 8% 0.00" / 0.0" 0.02" / 0.2" 28 04 AM Mon Jun 23 2025 31F 31F / 40% W 15 G 22 MPH 8000 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 29 05 AM Mon Jun 23 2025 32F 31F / 40% W 14 G 20 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 30 06 AM Mon Jun 23 2025 32F 31F / 43% W 13 G 18 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 31 07 AM Mon Jun 23 2025 33F 31F / 45% W 12 G 16 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 32 08 AM Mon Jun 23 2025 36F 33F / 42% W 11 G 15 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 33 09 AM Mon Jun 23 2025 36F 34F / 43% SW 9 G 14 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 34 10 AM Mon Jun 23 2025 39F 35F / 38% SSW 8 G 14 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 35 11 AM Mon Jun 23 2025 44F 36F / 35% S 7 G 14 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 36 12 PM Mon Jun 23 2025 48F 39F / 27% SSW 8 G 15 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 37 01 PM Mon Jun 23 2025 52F 44F / 22% S 7 G 16 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 38 02 PM Mon Jun 23 2025 53F 45F / 19% S 8 G 18 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 39 03 PM Mon Jun 23 2025 54F 46F / 18% S 8 G 19 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 40 04 PM Mon Jun 23 2025 54F 46F / 17% S 8 G 21 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 41 05 PM Mon Jun 23 2025 55F 47F / 16% SSW 8 G 18 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.2" 42 06 PM Mon Jun 23 2025 53F 47F / 17% SW 8 G 15 MPH 10000 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 43 07 PM Mon Jun 23 2025 50F 46F / 22% SSW 9 G 17 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.02" / 0.2" 44 08 PM Mon Jun 23 2025 47F 44F / 33% S 9 G 17 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.02" / 0.2" 45 09 PM Mon Jun 23 2025 44F 43F / 31% SSE 9 G 18 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.02" / 0.2" 46 10 PM Mon Jun 23 2025 43F 43F / 30% SSE 10 G 17 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.02" / 0.2" 47 11 PM Mon Jun 23 2025 41F 41F / 35% SE 9 G 16 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.02" / 0.2" 48 12 AM Tue Jun 24 2025 41F 41F / 27% ESE 10 G 17 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.02" / 0.2"