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 25-Feb-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 05 AM Tue Feb 25 2025 28F 27F / 65% W 31 G 53 MPH 8200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 1 06 AM Tue Feb 25 2025 26F 23F / 57% W 33 G 51 MPH 7000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 2 07 AM Tue Feb 25 2025 23F 19F / 56% WNW 32 G 45 MPH 6400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 3 08 AM Tue Feb 25 2025 20F 16F / 62% WNW 32 G 46 MPH 5800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 4 09 AM Tue Feb 25 2025 21F 16F / 72% WNW 34 G 51 MPH 5800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 5 10 AM Tue Feb 25 2025 23F 17F / 71% WNW 33 G 50 MPH 5600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 6 11 AM Tue Feb 25 2025 25F 16F / 66% WNW 30 G 45 MPH 5800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 7 12 PM Tue Feb 25 2025 26F 16F / 68% W 29 G 42 MPH 5800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 8 01 PM Tue Feb 25 2025 25F 16F / 70% W 28 G 41 MPH 5800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 9 02 PM Tue Feb 25 2025 26F 15F / 80% W 26 G 39 MPH 5800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 10 03 PM Tue Feb 25 2025 25F 15F / 84% W 25 G 36 MPH 5700 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 11 04 PM Tue Feb 25 2025 23F 15F / 85% W 24 G 37 MPH 5700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 12 05 PM Tue Feb 25 2025 22F 14F / 91% W 26 G 40 MPH 5400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 13 06 PM Tue Feb 25 2025 19F 13F / 85% W 26 G 41 MPH 5300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 14 07 PM Tue Feb 25 2025 16F 12F / 87% W 26 G 39 MPH 5400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 08 PM Tue Feb 25 2025 15F 11F / 82% W 28 G 40 MPH 5100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 16 09 PM Tue Feb 25 2025 15F 12F / 69% W 32 G 47 MPH 4800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 17 10 PM Tue Feb 25 2025 14F 12F / 70% WNW 31 G 44 MPH 4500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 18 11 PM Tue Feb 25 2025 15F 11F / 69% WNW 32 G 47 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 19 12 AM Wed Feb 26 2025 14F 11F / 73% WNW 32 G 46 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 01 AM Wed Feb 26 2025 14F 11F / 63% WNW 33 G 49 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 21 02 AM Wed Feb 26 2025 13F 11F / 59% WNW 34 G 50 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 22 03 AM Wed Feb 26 2025 13F 10F / 54% WNW 34 G 49 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 23 04 AM Wed Feb 26 2025 13F 10F / 56% WNW 34 G 48 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 24 05 AM Wed Feb 26 2025 12F 9F / 65% WNW 31 G 46 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 25 06 AM Wed Feb 26 2025 11F 8F / 67% WNW 30 G 43 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 26 07 AM Wed Feb 26 2025 11F 9F / 66% WNW 30 G 40 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 27 08 AM Wed Feb 26 2025 11F 9F / 68% NW 27 G 40 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 28 09 AM Wed Feb 26 2025 13F 9F / 73% WNW 25 G 35 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 29 10 AM Wed Feb 26 2025 17F 11F / 73% NW 23 G 31 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 30 11 AM Wed Feb 26 2025 19F 11F / 76% NW 19 G 27 MPH 4400 FT 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 31 12 PM Wed Feb 26 2025 21F 13F / 76% NW 16 G 22 MPH 4500 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 32 01 PM Wed Feb 26 2025 23F 14F / 80% NW 14 G 20 MPH 4700 FT 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 33 02 PM Wed Feb 26 2025 23F 14F / 76% NW 15 G 21 MPH 4900 FT 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 34 03 PM Wed Feb 26 2025 22F 15F / 72% NW 15 G 21 MPH 5200 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 35 04 PM Wed Feb 26 2025 21F 15F / 60% NW 12 G 19 MPH 5300 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 36 05 PM Wed Feb 26 2025 19F 16F / 58% NNW 11 G 19 MPH 5400 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 37 06 PM Wed Feb 26 2025 18F 17F / 54% NNW 12 G 16 MPH 5300 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 38 07 PM Wed Feb 26 2025 16F 16F / 49% N 13 G 18 MPH 5000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 39 08 PM Wed Feb 26 2025 15F 16F / 45% NNE 10 G 17 MPH 5000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 40 09 PM Wed Feb 26 2025 13F 15F / 54% N 10 G 15 MPH 4900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 41 10 PM Wed Feb 26 2025 16F 18F / 40% N 11 G 13 MPH 4600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 42 11 PM Wed Feb 26 2025 18F 20F / 34% NNW 14 G 19 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 43 12 AM Thu Feb 27 2025 18F 20F / 35% NW 15 G 18 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 44 01 AM Thu Feb 27 2025 18F 19F / 34% NW 14 G 18 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 45 02 AM Thu Feb 27 2025 18F 20F / 36% NW 15 G 19 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 46 03 AM Thu Feb 27 2025 20F 22F / 32% NW 16 G 19 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 47 04 AM Thu Feb 27 2025 21F 23F / 32% NW 15 G 20 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 48 05 AM Thu Feb 27 2025 22F 24F / 28% WNW 16 G 19 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0"