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 24-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 Sun Mar 23 2025 29F 24F / 85% WNW 23 G 34 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Sun Mar 23 2025 28F 24F / 82% WNW 26 G 37 MPH 7800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Sun Mar 23 2025 26F 22F / 84% WNW 27 G 40 MPH 7900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Sun Mar 23 2025 26F 23F / 82% WNW 27 G 40 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Sun Mar 23 2025 26F 23F / 85% WNW 29 G 41 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Sun Mar 23 2025 27F 23F / 84% WNW 29 G 43 MPH 8600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Mon Mar 24 2025 27F 24F / 88% WNW 29 G 44 MPH 8800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Mon Mar 24 2025 28F 24F / 90% WNW 31 G 46 MPH 8800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Mon Mar 24 2025 29F 25F / 92% WNW 29 G 44 MPH 8800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Mon Mar 24 2025 29F 25F / 94% WNW 28 G 42 MPH 8800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Mon Mar 24 2025 28F 25F / 93% WNW 26 G 38 MPH 8900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Mon Mar 24 2025 28F 25F / 96% WNW 25 G 37 MPH 8900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Mon Mar 24 2025 28F 25F / 95% WNW 25 G 37 MPH 8700 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Mon Mar 24 2025 28F 25F / 92% WNW 24 G 37 MPH 8700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Mon Mar 24 2025 28F 25F / 90% WNW 24 G 35 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Mon Mar 24 2025 29F 26F / 94% WNW 23 G 35 MPH 8900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Mon Mar 24 2025 31F 27F / 92% WNW 21 G 32 MPH 8800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Mon Mar 24 2025 33F 28F / 91% WNW 21 G 31 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Mon Mar 24 2025 35F 29F / 93% WNW 19 G 29 MPH 8900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Mon Mar 24 2025 37F 29F / 88% WNW 18 G 30 MPH 8900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Mon Mar 24 2025 37F 29F / 91% WNW 19 G 28 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Mon Mar 24 2025 38F 30F / 93% WNW 19 G 29 MPH 9200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Mon Mar 24 2025 37F 30F / 91% WNW 18 G 28 MPH 9300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Mon Mar 24 2025 37F 31F / 86% WNW 19 G 28 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Mon Mar 24 2025 35F 30F / 82% WNW 20 G 31 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Mon Mar 24 2025 33F 29F / 80% WNW 21 G 31 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Mon Mar 24 2025 31F 28F / 75% WNW 21 G 31 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Mon Mar 24 2025 31F 29F / 69% WNW 22 G 31 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Mon Mar 24 2025 31F 29F / 63% WNW 22 G 33 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Mon Mar 24 2025 31F 29F / 65% WNW 22 G 33 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Tue Mar 25 2025 31F 29F / 70% WNW 22 G 31 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Tue Mar 25 2025 30F 28F / 71% WNW 21 G 31 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Tue Mar 25 2025 29F 28F / 72% WNW 21 G 30 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Tue Mar 25 2025 29F 28F / 72% WNW 21 G 29 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Tue Mar 25 2025 29F 27F / 73% NW 20 G 29 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Tue Mar 25 2025 28F 27F / 73% NW 19 G 27 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Tue Mar 25 2025 28F 27F / 76% NW 18 G 26 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Tue Mar 25 2025 26F 26F / 72% NW 18 G 25 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Tue Mar 25 2025 26F 27F / 67% NW 18 G 25 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Tue Mar 25 2025 27F 28F / 49% NW 16 G 23 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Tue Mar 25 2025 31F 31F / 55% NW 15 G 21 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Tue Mar 25 2025 36F 33F / 59% NW 12 G 18 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Tue Mar 25 2025 39F 34F / 58% NW 10 G 15 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Tue Mar 25 2025 41F 35F / 61% WNW 7 G 12 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Tue Mar 25 2025 43F 36F / 64% WNW 6 G 11 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Tue Mar 25 2025 45F 36F / 66% W 6 G 11 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Tue Mar 25 2025 42F 37F / 59% SW 7 G 13 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Tue Mar 25 2025 41F 37F / 55% SW 7 G 14 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Tue Mar 25 2025 39F 37F / 35% SW 9 G 16 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0"