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 13-Apr-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 Apr 13 2025 25F 24F / 69% W 19 G 31 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Sun Apr 13 2025 26F 25F / 59% W 24 G 38 MPH 4800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Sun Apr 13 2025 26F 25F / 48% W 24 G 35 MPH 4800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Sun Apr 13 2025 26F 23F / 48% W 21 G 30 MPH 5100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Sun Apr 13 2025 28F 23F / 47% W 16 G 22 MPH 5300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Sun Apr 13 2025 29F 23F / 42% WNW 14 G 20 MPH 5600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Sun Apr 13 2025 31F 24F / 50% WNW 13 G 18 MPH 5800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Sun Apr 13 2025 33F 25F / 75% WNW 12 G 18 MPH 6100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Sun Apr 13 2025 35F 25F / 81% W 12 G 19 MPH 6100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Sun Apr 13 2025 35F 26F / 67% W 12 G 19 MPH 6100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Sun Apr 13 2025 34F 26F / 60% WNW 12 G 19 MPH 6300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Sun Apr 13 2025 33F 26F / 58% WNW 13 G 20 MPH 6400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Sun Apr 13 2025 31F 26F / 62% WNW 14 G 22 MPH 6500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Sun Apr 13 2025 28F 24F / 59% WNW 14 G 21 MPH 6500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Sun Apr 13 2025 24F 22F / 58% WNW 15 G 21 MPH 6400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Sun Apr 13 2025 23F 21F / 54% WNW 18 G 24 MPH 6200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Sun Apr 13 2025 22F 21F / 52% WNW 21 G 29 MPH 5900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Sun Apr 13 2025 21F 20F / 50% WNW 22 G 30 MPH 6000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Mon Apr 14 2025 19F 20F / 47% WNW 22 G 30 MPH 6100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Mon Apr 14 2025 19F 20F / 43% NW 22 G 29 MPH 6000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Mon Apr 14 2025 19F 20F / 45% SE 19 G 26 MPH 5800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Mon Apr 14 2025 19F 20F / 39% SE 18 G 22 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Mon Apr 14 2025 20F 21F / 31% WNW 16 G 19 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Mon Apr 14 2025 20F 21F / 33% SSE 16 G 19 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Mon Apr 14 2025 20F 21F / 34% E 15 G 19 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Mon Apr 14 2025 21F 22F / 32% SE 15 G 20 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Mon Apr 14 2025 22F 23F / 28% E 16 G 20 MPH 5100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Mon Apr 14 2025 23F 24F / 27% NW 13 G 17 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Mon Apr 14 2025 28F 26F / 29% NNW 11 G 16 MPH 5400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Mon Apr 14 2025 30F 27F / 26% NNW 10 G 14 MPH 5900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Mon Apr 14 2025 33F 28F / 28% N 9 G 13 MPH 6400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Mon Apr 14 2025 37F 30F / 35% NNW 6 G 10 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Mon Apr 14 2025 39F 32F / 39% NW 5 G 9 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Mon Apr 14 2025 41F 32F / 41% WNW 5 G 9 MPH 7500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Mon Apr 14 2025 40F 34F / 42% WNW 5 G 8 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Mon Apr 14 2025 40F 34F / 43% W 5 G 10 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Mon Apr 14 2025 37F 33F / 42% W 7 G 12 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Mon Apr 14 2025 35F 34F / 34% S 7 G 13 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Mon Apr 14 2025 34F 33F / 27% SSE 10 G 16 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Mon Apr 14 2025 31F 31F / 31% S 12 G 18 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Mon Apr 14 2025 31F 31F / 28% SSE 13 G 19 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Mon Apr 14 2025 31F 31F / 35% SSE 14 G 22 MPH 8200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Tue Apr 15 2025 32F 32F / 30% SSE 17 G 28 MPH 8300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Tue Apr 15 2025 31F 32F / 22% S 18 G 29 MPH 8300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Tue Apr 15 2025 31F 31F / 24% SSE 18 G 30 MPH 8100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Tue Apr 15 2025 31F 32F / 25% S 19 G 29 MPH 7800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Tue Apr 15 2025 31F 32F / 22% SSW 21 G 31 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Tue Apr 15 2025 31F 32F / 20% SSW 20 G 32 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Tue Apr 15 2025 31F 32F / 23% SSW 21 G 30 MPH 7600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0"