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 25-Mar-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 Mon Mar 24 2025 35F 30F / 84% WNW 17 G 27 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Mon Mar 24 2025 32F 29F / 78% WNW 18 G 26 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Mon Mar 24 2025 30F 28F / 70% WNW 20 G 29 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Mon Mar 24 2025 30F 28F / 70% WNW 20 G 29 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Mon Mar 24 2025 30F 28F / 71% WNW 21 G 29 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Mon Mar 24 2025 29F 28F / 73% WNW 21 G 28 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Tue Mar 25 2025 29F 28F / 79% WNW 19 G 28 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Tue Mar 25 2025 29F 28F / 75% WNW 19 G 26 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Tue Mar 25 2025 28F 27F / 73% WNW 17 G 25 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Tue Mar 25 2025 28F 27F / 75% NW 17 G 26 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Tue Mar 25 2025 28F 27F / 68% NW 17 G 25 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Tue Mar 25 2025 27F 27F / 64% NW 17 G 24 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Tue Mar 25 2025 26F 27F / 54% NW 17 G 23 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Tue Mar 25 2025 26F 27F / 47% E 16 G 22 MPH 8000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Tue Mar 25 2025 26F 27F / 37% ENE 16 G 21 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Tue Mar 25 2025 27F 28F / 32% ESE 14 G 19 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Tue Mar 25 2025 30F 30F / 31% E 12 G 16 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Tue Mar 25 2025 35F 32F / 35% NW 9 G 12 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Tue Mar 25 2025 38F 33F / 36% NNW 7 G 10 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Tue Mar 25 2025 40F 34F / 38% NNW 5 G 9 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Tue Mar 25 2025 42F 35F / 47% NNW 4 G 9 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Tue Mar 25 2025 43F 36F / 46% NW 4 G 8 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Tue Mar 25 2025 42F 36F / 46% N 5 G 9 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Tue Mar 25 2025 41F 37F / 36% ESE 6 G 11 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Tue Mar 25 2025 37F 37F / 33% SE 8 G 13 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Tue Mar 25 2025 36F 36F / 32% SSE 8 G 14 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Tue Mar 25 2025 36F 36F / 30% SSE 10 G 16 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Tue Mar 25 2025 36F 36F / 32% SSE 12 G 21 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Tue Mar 25 2025 36F 35F / 40% SSE 13 G 22 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Tue Mar 25 2025 36F 35F / 44% SE 14 G 24 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Wed Mar 26 2025 36F 35F / 45% SSE 15 G 25 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Wed Mar 26 2025 35F 35F / 40% S 16 G 27 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Wed Mar 26 2025 35F 35F / 41% SSE 16 G 27 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Wed Mar 26 2025 35F 34F / 37% S 16 G 26 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Wed Mar 26 2025 35F 34F / 38% S 16 G 28 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Wed Mar 26 2025 35F 34F / 39% SSW 17 G 29 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Wed Mar 26 2025 35F 34F / 40% SSW 17 G 28 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Wed Mar 26 2025 35F 35F / 39% SSW 17 G 27 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Wed Mar 26 2025 35F 35F / 41% SSW 15 G 27 MPH 9800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Wed Mar 26 2025 35F 35F / 41% SSW 16 G 27 MPH 9700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Wed Mar 26 2025 37F 35F / 42% SSW 17 G 29 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Wed Mar 26 2025 41F 35F / 46% SSW 16 G 28 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Wed Mar 26 2025 43F 37F / 38% SW 15 G 28 MPH 10000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Wed Mar 26 2025 45F 38F / 38% SW 15 G 27 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Wed Mar 26 2025 47F 38F / 36% SW 14 G 26 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Wed Mar 26 2025 48F 38F / 39% SW 14 G 26 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Wed Mar 26 2025 47F 39F / 40% SW 13 G 25 MPH 10300 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Wed Mar 26 2025 45F 39F / 35% SW 13 G 24 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Wed Mar 26 2025 42F 38F / 37% SW 14 G 25 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"