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 16-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 Sat Feb 15 2025 11F 5F / 79% WNW 29 G 42 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 1 06 PM Sat Feb 15 2025 8F 4F / 74% WNW 32 G 46 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 2 07 PM Sat Feb 15 2025 7F 4F / 72% WNW 33 G 47 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 3 08 PM Sat Feb 15 2025 8F 5F / 62% WNW 32 G 48 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 4 09 PM Sat Feb 15 2025 9F 6F / 62% WNW 33 G 47 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 5 10 PM Sat Feb 15 2025 10F 7F / 64% WNW 31 G 47 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 6 11 PM Sat Feb 15 2025 11F 9F / 65% WNW 32 G 48 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 7 12 AM Sun Feb 16 2025 11F 9F / 71% WNW 34 G 48 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 8 01 AM Sun Feb 16 2025 12F 11F / 73% WNW 33 G 49 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 02 AM Sun Feb 16 2025 13F 12F / 80% WNW 32 G 48 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 10 03 AM Sun Feb 16 2025 14F 12F / 85% WNW 30 G 45 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 11 04 AM Sun Feb 16 2025 15F 13F / 90% WNW 30 G 46 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 05 AM Sun Feb 16 2025 17F 14F / 93% WNW 28 G 42 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 06 AM Sun Feb 16 2025 17F 15F / 95% WNW 27 G 41 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 07 AM Sun Feb 16 2025 18F 16F / 91% WNW 27 G 40 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 15 08 AM Sun Feb 16 2025 20F 17F / 85% W 27 G 40 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 09 AM Sun Feb 16 2025 22F 19F / 78% W 28 G 42 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 17 10 AM Sun Feb 16 2025 24F 20F / 79% WSW 25 G 41 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 18 11 AM Sun Feb 16 2025 26F 19F / 81% WSW 26 G 43 MPH 4300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 19 12 PM Sun Feb 16 2025 27F 19F / 81% WSW 26 G 43 MPH 4600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 20 01 PM Sun Feb 16 2025 27F 18F / 75% WSW 28 G 44 MPH 4800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 21 02 PM Sun Feb 16 2025 26F 17F / 92% WSW 27 G 44 MPH 5100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 22 03 PM Sun Feb 16 2025 24F 17F / 89% WSW 29 G 47 MPH 5700 FT 8:1 / 12% 0.02" / 0.2" 0.02" / 0.2" 23 04 PM Sun Feb 16 2025 23F 16F / 93% W 32 G 48 MPH 6000 FT 9:1 / 11% 0.06" / 0.5" 0.08" / 0.7" 24 05 PM Sun Feb 16 2025 23F 17F / 100% W 25 G 42 MPH 6100 FT 10:1 / 10% 0.06" / 0.6" 0.14" / 1.3" 25 06 PM Sun Feb 16 2025 23F 16F / 99% WSW 25 G 39 MPH 6200 FT 9:1 / 11% 0.02" / 0.2" 0.16" / 1.5" 26 07 PM Sun Feb 16 2025 23F 17F / 100% W 30 G 48 MPH 6200 FT 11:1 / 9% 0.00" / 0.0" 0.16" / 1.5" 27 08 PM Sun Feb 16 2025 23F 17F / 100% W 28 G 43 MPH 6600 FT 9:1 / 11% 0.06" / 0.5" 0.22" / 2.0" 28 09 PM Sun Feb 16 2025 23F 16F / 100% W 28 G 45 MPH 6700 FT 13:1 / 8% 0.01" / 0.1" 0.23" / 2.1" 29 10 PM Sun Feb 16 2025 23F 16F / 100% W 29 G 45 MPH 6700 FT 12:1 / 8% 0.00" / 0.0" 0.23" / 2.1" 30 11 PM Sun Feb 16 2025 23F 16F / 96% W 31 G 47 MPH 6800 FT 13:1 / 8% 0.00" / 0.0" 0.23" / 2.1" 31 12 AM Mon Feb 17 2025 23F 16F / 92% W 28 G 44 MPH 6900 FT 12:1 / 8% 0.00" / 0.0" 0.23" / 2.1" 32 01 AM Mon Feb 17 2025 22F 15F / 94% W 27 G 42 MPH 6600 FT 13:1 / 8% 0.00" / 0.0" 0.23" / 2.1" 33 02 AM Mon Feb 17 2025 22F 15F / 91% W 27 G 43 MPH 6500 FT 12:1 / 8% 0.00" / 0.0" 0.23" / 2.1" 34 03 AM Mon Feb 17 2025 21F 15F / 96% W 27 G 46 MPH 6500 FT 13:1 / 8% 0.00" / 0.0" 0.23" / 2.1" 35 04 AM Mon Feb 17 2025 21F 15F / 93% W 26 G 41 MPH 6100 FT 13:1 / 8% 0.00" / 0.0" 0.23" / 2.1" 36 05 AM Mon Feb 17 2025 20F 14F / 94% W 26 G 43 MPH 5600 FT 11:1 / 9% 0.00" / 0.0" 0.23" / 2.1" 37 06 AM Mon Feb 17 2025 20F 14F / 91% W 27 G 42 MPH 5500 FT 12:1 / 8% 0.00" / 0.0" 0.23" / 2.1" 38 07 AM Mon Feb 17 2025 19F 13F / 89% W 28 G 46 MPH 5300 FT 13:1 / 8% 0.00" / 0.0" 0.23" / 2.1" 39 08 AM Mon Feb 17 2025 18F 13F / 92% W 26 G 42 MPH 5400 FT 17:1 / 6% 0.00" / 0.0" 0.23" / 2.1" 40 09 AM Mon Feb 17 2025 19F 12F / 88% W 25 G 40 MPH 5200 FT 17:1 / 6% 0.00" / 0.0" 0.23" / 2.1" 41 10 AM Mon Feb 17 2025 20F 13F / 85% W 26 G 39 MPH 5100 FT 16:1 / 6% 0.00" / 0.0" 0.23" / 2.1" 42 11 AM Mon Feb 17 2025 21F 14F / 82% W 23 G 38 MPH 5200 FT 16:1 / 6% 0.00" / 0.0" 0.23" / 2.1" 43 12 PM Mon Feb 17 2025 23F 14F / 83% W 25 G 39 MPH 5300 FT 16:1 / 6% 0.00" / 0.0" 0.23" / 2.1" 44 01 PM Mon Feb 17 2025 24F 15F / 81% W 25 G 40 MPH 5200 FT 17:1 / 6% 0.00" / 0.0" 0.23" / 2.1" 45 02 PM Mon Feb 17 2025 24F 15F / 84% WSW 24 G 39 MPH 5200 FT 16:1 / 6% 0.00" / 0.0" 0.23" / 2.1" 46 03 PM Mon Feb 17 2025 24F 15F / 86% W 22 G 37 MPH 5300 FT 14:1 / 7% 0.00" / 0.0" 0.23" / 2.1" 47 04 PM Mon Feb 17 2025 24F 15F / 86% W 21 G 36 MPH 5000 FT 14:1 / 7% 0.00" / 0.0" 0.23" / 2.1" 48 05 PM Mon Feb 17 2025 23F 15F / 85% W 22 G 35 MPH 5000 FT 13:1 / 8% 0.00" / 0.0" 0.23" / 2.1"