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 18Z 02-Nov-2024 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 12 PM Sat Nov 02 2024 30F 22F / 73% S 16 G 35 MPH 6800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 1 01 PM Sat Nov 02 2024 30F 22F / 76% S 17 G 36 MPH 7100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 2 02 PM Sat Nov 02 2024 30F 22F / 80% SSW 15 G 32 MPH 7500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 3 03 PM Sat Nov 02 2024 31F 22F / 78% SSW 15 G 31 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 04 PM Sat Nov 02 2024 30F 22F / 84% SSW 14 G 29 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 05 PM Sat Nov 02 2024 28F 20F / 91% SW 15 G 30 MPH 7400 FT 11:1 / 9% 0.02" / 0.2" 0.02" / 0.2" 6 06 PM Sat Nov 02 2024 24F 19F / 95% SW 13 G 26 MPH 7500 FT 11:1 / 9% 0.04" / 0.4" 0.06" / 0.6" 7 07 PM Sat Nov 02 2024 23F 18F / 88% WSW 14 G 23 MPH 7500 FT 10:1 / 10% 0.01" / 0.1" 0.07" / 0.7" 8 08 PM Sat Nov 02 2024 23F 18F / 95% WSW 13 G 22 MPH 7700 FT 12:1 / 8% 0.00" / 0.0" 0.07" / 0.7" 9 09 PM Sat Nov 02 2024 23F 18F / 100% WSW 14 G 22 MPH 7600 FT 12:1 / 8% 0.01" / 0.1" 0.08" / 0.8" 10 10 PM Sat Nov 02 2024 23F 18F / 100% WSW 14 G 23 MPH 7000 FT 11:1 / 9% 0.00" / 0.0" 0.08" / 0.8" 11 11 PM Sat Nov 02 2024 24F 18F / 98% WSW 13 G 21 MPH 7200 FT 12:1 / 8% 0.01" / 0.1" 0.09" / 0.9" 12 12 AM Sun Nov 03 2024 23F 17F / 100% W 12 G 19 MPH 7100 FT 12:1 / 8% 0.00" / 0.0" 0.09" / 0.9" 13 01 AM Sun Nov 03 2024 21F 16F / 99% W 11 G 18 MPH 7000 FT 11:1 / 9% 0.00" / 0.0" 0.09" / 0.9" 14 01 AM Sun Nov 03 2024 22F 17F / 100% WSW 12 G 18 MPH 6900 FT 12:1 / 8% 0.00" / 0.0" 0.09" / 0.9" 15 02 AM Sun Nov 03 2024 22F 17F / 99% W 12 G 19 MPH 6300 FT 12:1 / 8% 0.03" / 0.4" 0.12" / 1.3" 16 03 AM Sun Nov 03 2024 22F 16F / 99% WNW 16 G 25 MPH 5500 FT 11:1 / 9% 0.09" / 1.0" 0.21" / 2.3" 17 04 AM Sun Nov 03 2024 21F 14F / 99% WNW 21 G 30 MPH 5300 FT 11:1 / 9% 0.07" / 0.8" 0.28" / 3.1" 18 05 AM Sun Nov 03 2024 20F 13F / 97% WNW 16 G 25 MPH 5500 FT 11:1 / 9% 0.04" / 0.4" 0.32" / 3.5" 19 06 AM Sun Nov 03 2024 20F 13F / 100% NW 15 G 23 MPH 5500 FT 13:1 / 8% 0.02" / 0.3" 0.34" / 3.8" 20 07 AM Sun Nov 03 2024 18F 12F / 99% NW 16 G 26 MPH 5300 FT 16:1 / 6% 0.02" / 0.3" 0.36" / 4.1" 21 08 AM Sun Nov 03 2024 18F 12F / 99% NW 17 G 26 MPH 5100 FT 15:1 / 7% 0.01" / 0.2" 0.37" / 4.3" 22 09 AM Sun Nov 03 2024 18F 12F / 97% NW 15 G 22 MPH 5100 FT 16:1 / 6% 0.01" / 0.2" 0.38" / 4.5" 23 10 AM Sun Nov 03 2024 18F 12F / 96% NW 13 G 23 MPH 4900 FT 16:1 / 6% 0.00" / 0.0" 0.38" / 4.5" 24 11 AM Sun Nov 03 2024 19F 12F / 97% NW 15 G 21 MPH 4900 FT 16:1 / 6% 0.00" / 0.0" 0.38" / 4.5" 25 12 PM Sun Nov 03 2024 20F 13F / 97% NW 15 G 25 MPH 5000 FT 18:1 / 6% 0.00" / 0.0" 0.38" / 4.5" 26 01 PM Sun Nov 03 2024 20F 13F / 94% WNW 17 G 26 MPH 5100 FT 19:1 / 5% 0.00" / 0.0" 0.38" / 4.5" 27 02 PM Sun Nov 03 2024 21F 13F / 97% WNW 17 G 27 MPH 5100 FT 19:1 / 5% 0.00" / 0.0" 0.38" / 4.5" 28 03 PM Sun Nov 03 2024 20F 12F / 89% WNW 16 G 25 MPH 5200 FT 20:1 / 5% 0.00" / 0.0" 0.38" / 4.5" 29 04 PM Sun Nov 03 2024 20F 12F / 94% NW 19 G 31 MPH 5300 FT 15:1 / 7% 0.04" / 0.6" 0.42" / 5.1" 30 05 PM Sun Nov 03 2024 18F 11F / 94% NW 20 G 29 MPH 5000 FT 14:1 / 7% 0.01" / 0.1" 0.43" / 5.2" 31 06 PM Sun Nov 03 2024 17F 10F / 89% NW 21 G 33 MPH 4900 FT 15:1 / 7% 0.02" / 0.3" 0.45" / 5.5" 32 07 PM Sun Nov 03 2024 16F 9F / 93% NW 22 G 32 MPH 5000 FT 14:1 / 7% 0.00" / 0.0" 0.45" / 5.5" 33 08 PM Sun Nov 03 2024 15F 9F / 82% NW 23 G 37 MPH 4800 FT 14:1 / 7% 0.00" / 0.0" 0.45" / 5.5" 34 09 PM Sun Nov 03 2024 13F 9F / 74% NNW 28 G 44 MPH 4800 FT 14:1 / 7% 0.00" / 0.0" 0.45" / 5.5" 35 10 PM Sun Nov 03 2024 13F 8F / 85% NNW 29 G 43 MPH 4700 FT 13:1 / 8% 0.00" / 0.0" 0.45" / 5.5" 36 11 PM Sun Nov 03 2024 13F 8F / 88% NNW 29 G 44 MPH 4700 FT 13:1 / 8% 0.00" / 0.0" 0.45" / 5.5" 37 12 AM Mon Nov 04 2024 14F 9F / 92% NNW 27 G 40 MPH 4600 FT 13:1 / 8% 0.00" / 0.0" 0.45" / 5.5" 38 01 AM Mon Nov 04 2024 13F 9F / 89% NW 27 G 39 MPH 4500 FT 14:1 / 7% 0.00" / 0.0" 0.45" / 5.5" 39 02 AM Mon Nov 04 2024 13F 9F / 90% NNW 26 G 38 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.45" / 5.5" 40 03 AM Mon Nov 04 2024 12F 9F / 85% NNW 27 G 38 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.45" / 5.5" 41 04 AM Mon Nov 04 2024 12F 8F / 83% NNW 25 G 38 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.45" / 5.5" 42 05 AM Mon Nov 04 2024 11F 8F / 82% NNW 27 G 41 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.45" / 5.5" 43 06 AM Mon Nov 04 2024 10F 6F / 87% NNW 23 G 35 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.45" / 5.5" 44 07 AM Mon Nov 04 2024 10F 6F / 95% NNW 23 G 36 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.45" / 5.5" 45 08 AM Mon Nov 04 2024 11F 8F / 98% NNW 23 G 33 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.45" / 5.5" 46 09 AM Mon Nov 04 2024 13F 7F / 96% NNW 23 G 35 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.45" / 5.5" 47 10 AM Mon Nov 04 2024 15F 8F / 98% NNW 21 G 33 MPH 4300 FT 18:1 / 6% 0.00" / 0.0" 0.45" / 5.5" 48 11 AM Mon Nov 04 2024 18F 9F / 95% NNW 18 G 28 MPH 4400 FT 21:1 / 5% 0.00" / 0.0" 0.45" / 5.5"