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 20-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 20 2025 24F 21F / 71% WNW 21 G 31 MPH 6700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Sun Apr 20 2025 23F 20F / 71% WNW 22 G 32 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Sun Apr 20 2025 23F 20F / 70% WNW 20 G 28 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Sun Apr 20 2025 24F 21F / 74% WNW 19 G 28 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Sun Apr 20 2025 27F 22F / 69% WNW 19 G 27 MPH 6600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Sun Apr 20 2025 30F 23F / 73% WNW 17 G 25 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Sun Apr 20 2025 32F 24F / 74% WNW 16 G 26 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Sun Apr 20 2025 34F 25F / 76% W 15 G 23 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Sun Apr 20 2025 36F 26F / 72% W 13 G 22 MPH 7700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Sun Apr 20 2025 37F 27F / 69% W 11 G 19 MPH 8000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Sun Apr 20 2025 37F 28F / 64% W 11 G 19 MPH 8200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Sun Apr 20 2025 37F 28F / 62% W 12 G 22 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Sun Apr 20 2025 35F 28F / 66% W 14 G 22 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Sun Apr 20 2025 32F 27F / 66% WSW 15 G 24 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Sun Apr 20 2025 30F 26F / 62% WSW 17 G 25 MPH 8300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Sun Apr 20 2025 29F 26F / 56% WSW 18 G 27 MPH 8400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Sun Apr 20 2025 29F 27F / 49% SW 20 G 31 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Sun Apr 20 2025 29F 26F / 52% SW 20 G 30 MPH 8400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Mon Apr 21 2025 29F 27F / 53% WSW 21 G 33 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Mon Apr 21 2025 29F 27F / 46% WSW 20 G 33 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Mon Apr 21 2025 29F 27F / 42% SW 21 G 34 MPH 8300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Mon Apr 21 2025 29F 27F / 44% SW 21 G 33 MPH 8400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Mon Apr 21 2025 29F 27F / 44% WSW 23 G 37 MPH 8100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Mon Apr 21 2025 28F 26F / 43% WSW 24 G 38 MPH 7700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Mon Apr 21 2025 28F 25F / 46% WSW 23 G 36 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Mon Apr 21 2025 27F 24F / 52% W 20 G 30 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Mon Apr 21 2025 28F 24F / 53% W 22 G 30 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Mon Apr 21 2025 29F 25F / 57% W 20 G 32 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Mon Apr 21 2025 31F 25F / 62% W 21 G 32 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Mon Apr 21 2025 33F 26F / 59% W 20 G 32 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Mon Apr 21 2025 35F 26F / 60% W 19 G 30 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Mon Apr 21 2025 36F 26F / 68% W 18 G 29 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Mon Apr 21 2025 39F 28F / 61% W 16 G 29 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Mon Apr 21 2025 39F 28F / 65% W 15 G 28 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Mon Apr 21 2025 39F 29F / 64% W 16 G 27 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Mon Apr 21 2025 39F 29F / 62% W 17 G 29 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Mon Apr 21 2025 34F 28F / 60% W 17 G 28 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Mon Apr 21 2025 33F 29F / 60% WSW 16 G 28 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Mon Apr 21 2025 30F 27F / 57% WSW 19 G 29 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Mon Apr 21 2025 29F 27F / 52% WSW 21 G 33 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Mon Apr 21 2025 29F 27F / 47% W 20 G 32 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Mon Apr 21 2025 29F 27F / 46% W 20 G 32 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Tue Apr 22 2025 29F 27F / 47% W 20 G 29 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Tue Apr 22 2025 28F 26F / 47% W 20 G 30 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Tue Apr 22 2025 28F 26F / 48% W 20 G 30 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Tue Apr 22 2025 27F 25F / 50% W 22 G 31 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Tue Apr 22 2025 27F 24F / 47% WSW 22 G 32 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Tue Apr 22 2025 26F 25F / 45% W 24 G 33 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Tue Apr 22 2025 25F 24F / 50% W 21 G 33 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0"