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 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 06 AM Sun Jun 22 2025 27F 20F / 100% WSW 8 G 13 MPH 7300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Sun Jun 22 2025 28F 21F / 100% WSW 12 G 22 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Sun Jun 22 2025 28F 22F / 91% WSW 16 G 27 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Sun Jun 22 2025 28F 22F / 96% WSW 15 G 25 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Sun Jun 22 2025 29F 22F / 91% W 15 G 26 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Sun Jun 22 2025 31F 23F / 85% W 13 G 23 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Sun Jun 22 2025 34F 25F / 66% W 10 G 20 MPH 7300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Sun Jun 22 2025 36F 28F / 63% WSW 8 G 18 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Sun Jun 22 2025 39F 29F / 58% WSW 8 G 18 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Sun Jun 22 2025 39F 29F / 57% WSW 10 G 18 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Sun Jun 22 2025 39F 30F / 57% W 12 G 22 MPH 7800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Sun Jun 22 2025 39F 30F / 59% W 13 G 23 MPH 7800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Sun Jun 22 2025 38F 30F / 61% W 14 G 21 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Sun Jun 22 2025 36F 30F / 55% W 14 G 22 MPH 8000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Sun Jun 22 2025 33F 29F / 48% WNW 15 G 21 MPH 7900 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Sun Jun 22 2025 32F 28F / 49% W 15 G 20 MPH 7900 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Sun Jun 22 2025 31F 29F / 47% W 14 G 19 MPH 7800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Sun Jun 22 2025 31F 29F / 46% W 15 G 20 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Mon Jun 23 2025 30F 29F / 48% W 15 G 21 MPH 8000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Mon Jun 23 2025 30F 30F / 48% W 17 G 23 MPH 8100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Mon Jun 23 2025 30F 30F / 46% W 16 G 24 MPH 8000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Mon Jun 23 2025 31F 31F / 45% W 16 G 22 MPH 8000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Mon Jun 23 2025 32F 32F / 40% W 16 G 24 MPH 8000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Mon Jun 23 2025 33F 32F / 38% W 15 G 21 MPH 8100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Mon Jun 23 2025 33F 32F / 40% WSW 13 G 17 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Mon Jun 23 2025 34F 32F / 37% WSW 13 G 18 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Mon Jun 23 2025 36F 33F / 39% SW 13 G 19 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Mon Jun 23 2025 36F 34F / 38% SW 14 G 20 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Mon Jun 23 2025 40F 35F / 37% SW 11 G 18 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Mon Jun 23 2025 45F 37F / 33% SW 8 G 16 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Mon Jun 23 2025 49F 40F / 27% SW 7 G 16 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Mon Jun 23 2025 51F 41F / 21% SSW 8 G 17 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Mon Jun 23 2025 53F 43F / 21% SSW 7 G 18 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Mon Jun 23 2025 53F 43F / 19% S 7 G 16 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Mon Jun 23 2025 53F 43F / 19% S 7 G 18 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Mon Jun 23 2025 53F 44F / 24% SSW 7 G 14 MPH 10000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Mon Jun 23 2025 49F 43F / 28% WSW 8 G 17 MPH 10100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Mon Jun 23 2025 50F 46F / 24% WSW 8 G 18 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Mon Jun 23 2025 46F 45F / 25% S 10 G 16 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Mon Jun 23 2025 42F 42F / 26% S 9 G 15 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Mon Jun 23 2025 43F 43F / 30% SSE 10 G 18 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Mon Jun 23 2025 40F 41F / 31% SSE 10 G 16 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Tue Jun 24 2025 41F 40F / 32% SSE 12 G 20 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Tue Jun 24 2025 40F 40F / 34% SE 11 G 20 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Tue Jun 24 2025 41F 40F / 31% S 10 G 19 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Tue Jun 24 2025 41F 41F / 29% SSE 12 G 20 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Tue Jun 24 2025 43F 42F / 23% SSE 14 G 24 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Tue Jun 24 2025 43F 43F / 19% SSE 16 G 29 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Tue Jun 24 2025 42F 42F / 19% SSE 18 G 29 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"