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 19-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 PM Tue Feb 18 2025 16F 9F / 98% WNW 26 G 40 MPH 4600 FT 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 1 06 PM Tue Feb 18 2025 15F 9F / 100% WNW 23 G 33 MPH 4700 FT 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 2 07 PM Tue Feb 18 2025 12F 9F / 87% WNW 23 G 34 MPH 4600 FT 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 3 08 PM Tue Feb 18 2025 12F 10F / 68% WNW 24 G 35 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 09 PM Tue Feb 18 2025 12F 10F / 67% WNW 26 G 38 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 10 PM Tue Feb 18 2025 12F 9F / 69% WNW 25 G 37 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 6 11 PM Tue Feb 18 2025 12F 9F / 75% WNW 24 G 36 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 7 12 AM Wed Feb 19 2025 13F 11F / 69% WNW 24 G 35 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 8 01 AM Wed Feb 19 2025 13F 11F / 65% WNW 24 G 35 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 9 02 AM Wed Feb 19 2025 12F 11F / 69% WNW 24 G 36 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 10 03 AM Wed Feb 19 2025 12F 11F / 67% WNW 25 G 35 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 11 04 AM Wed Feb 19 2025 12F 11F / 66% WNW 25 G 35 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 12 05 AM Wed Feb 19 2025 12F 12F / 65% WNW 25 G 35 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 06 AM Wed Feb 19 2025 13F 13F / 60% WNW 25 G 34 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 07 AM Wed Feb 19 2025 13F 13F / 56% WNW 24 G 32 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 08 AM Wed Feb 19 2025 14F 14F / 52% WNW 23 G 31 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 16 09 AM Wed Feb 19 2025 16F 16F / 48% WNW 22 G 29 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 10 AM Wed Feb 19 2025 19F 17F / 44% WNW 17 G 25 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 11 AM Wed Feb 19 2025 24F 20F / 45% W 17 G 24 MPH 4400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 19 12 PM Wed Feb 19 2025 25F 20F / 58% W 17 G 27 MPH 4700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 01 PM Wed Feb 19 2025 24F 19F / 78% W 16 G 27 MPH 5000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 21 02 PM Wed Feb 19 2025 24F 19F / 88% WSW 18 G 30 MPH 5200 FT 10:1 / 10% 0.01" / 0.1" 0.01" / 0.1" 22 03 PM Wed Feb 19 2025 24F 19F / 92% W 20 G 31 MPH 5400 FT 9:1 / 11% 0.02" / 0.2" 0.03" / 0.3" 23 04 PM Wed Feb 19 2025 25F 20F / 94% W 22 G 33 MPH 5500 FT 9:1 / 11% 0.01" / 0.1" 0.04" / 0.4" 24 05 PM Wed Feb 19 2025 25F 21F / 91% W 24 G 38 MPH 5500 FT 8:1 / 12% 0.00" / 0.0" 0.04" / 0.4" 25 06 PM Wed Feb 19 2025 25F 21F / 90% WNW 24 G 38 MPH 5500 FT 8:1 / 12% 0.00" / 0.0" 0.04" / 0.4" 26 07 PM Wed Feb 19 2025 25F 20F / 95% WNW 22 G 34 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.04" / 0.4" 27 08 PM Wed Feb 19 2025 24F 20F / 88% W 20 G 29 MPH 6300 FT 10:1 / 10% 0.00" / 0.0" 0.04" / 0.4" 28 09 PM Wed Feb 19 2025 23F 19F / 88% W 15 G 24 MPH 6500 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 29 10 PM Wed Feb 19 2025 23F 19F / 98% WSW 14 G 23 MPH 6600 FT 11:1 / 9% 0.02" / 0.2" 0.06" / 0.6" 30 11 PM Wed Feb 19 2025 24F 19F / 97% SW 18 G 31 MPH 5700 FT 9:1 / 11% 0.06" / 0.5" 0.12" / 1.1" 31 12 AM Thu Feb 20 2025 24F 19F / 77% SSW 23 G 41 MPH 6800 FT 8:1 / 12% 0.01" / 0.1" 0.13" / 1.2" 32 01 AM Thu Feb 20 2025 23F 19F / 72% SW 21 G 37 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.13" / 1.2" 33 02 AM Thu Feb 20 2025 21F 17F / 93% WSW 15 G 27 MPH 5400 FT 11:1 / 9% 0.00" / 0.0" 0.13" / 1.2" 34 03 AM Thu Feb 20 2025 21F 15F / 93% W 16 G 28 MPH 5400 FT 14:1 / 7% 0.04" / 0.6" 0.17" / 1.8" 35 04 AM Thu Feb 20 2025 21F 15F / 95% W 17 G 29 MPH 5200 FT 11:1 / 9% 0.11" / 1.2" 0.28" / 3.0" 36 05 AM Thu Feb 20 2025 20F 14F / 91% W 17 G 28 MPH 5100 FT 12:1 / 8% 0.05" / 0.6" 0.33" / 3.6" 37 06 AM Thu Feb 20 2025 20F 15F / 100% W 18 G 27 MPH 5000 FT 16:1 / 6% 0.02" / 0.3" 0.35" / 3.9" 38 07 AM Thu Feb 20 2025 19F 14F / 95% WNW 15 G 27 MPH 4900 FT 17:1 / 6% 0.04" / 0.7" 0.39" / 4.6" 39 08 AM Thu Feb 20 2025 18F 12F / 91% WNW 17 G 25 MPH 5000 FT 14:1 / 7% 0.01" / 0.1" 0.40" / 4.7" 40 09 AM Thu Feb 20 2025 18F 12F / 94% WNW 19 G 31 MPH 4900 FT 14:1 / 7% 0.04" / 0.6" 0.44" / 5.3" 41 10 AM Thu Feb 20 2025 20F 13F / 91% WNW 20 G 30 MPH 5000 FT 13:1 / 8% 0.05" / 0.6" 0.49" / 5.9" 42 11 AM Thu Feb 20 2025 21F 13F / 91% WNW 18 G 28 MPH 5100 FT 12:1 / 8% 0.01" / 0.1" 0.50" / 6.0" 43 12 PM Thu Feb 20 2025 21F 14F / 92% WNW 17 G 27 MPH 5100 FT 14:1 / 7% 0.00" / 0.0" 0.50" / 6.0" 44 01 PM Thu Feb 20 2025 22F 14F / 90% WNW 17 G 26 MPH 5000 FT 18:1 / 6% 0.00" / 0.0" 0.50" / 6.0" 45 02 PM Thu Feb 20 2025 22F 14F / 88% WNW 16 G 24 MPH 4900 FT 19:1 / 5% 0.00" / 0.0" 0.50" / 6.0" 46 03 PM Thu Feb 20 2025 20F 14F / 91% WNW 15 G 24 MPH 4900 FT 18:1 / 6% 0.00" / 0.0" 0.50" / 6.0" 47 04 PM Thu Feb 20 2025 19F 13F / 92% NW 14 G 24 MPH 4900 FT 18:1 / 6% 0.01" / 0.2" 0.51" / 6.2" 48 05 PM Thu Feb 20 2025 17F 12F / 90% NW 16 G 24 MPH 4800 FT 19:1 / 5% 0.01" / 0.2" 0.52" / 6.4"