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 17-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 05 AM Sun Nov 17 2024 14F 13F / 45% NW 15 G 16 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 06 AM Sun Nov 17 2024 14F 13F / 44% NW 14 G 19 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 2 07 AM Sun Nov 17 2024 14F 14F / 44% NW 14 G 17 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 3 08 AM Sun Nov 17 2024 17F 15F / 39% NNW 15 G 17 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 4 09 AM Sun Nov 17 2024 17F 16F / 40% NW 13 G 16 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 5 10 AM Sun Nov 17 2024 20F 17F / 39% NNW 11 G 13 MPH 4300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 6 11 AM Sun Nov 17 2024 23F 18F / 46% NW 10 G 14 MPH 4500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 7 12 PM Sun Nov 17 2024 24F 19F / 56% NW 8 G 10 MPH 4600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 8 01 PM Sun Nov 17 2024 26F 20F / 59% WNW 7 G 11 MPH 4700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 9 02 PM Sun Nov 17 2024 27F 21F / 55% WNW 6 G 11 MPH 4700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 10 03 PM Sun Nov 17 2024 25F 22F / 52% WNW 6 G 11 MPH 4900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 11 04 PM Sun Nov 17 2024 25F 22F / 51% W 6 G 9 MPH 4900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 12 05 PM Sun Nov 17 2024 22F 21F / 54% W 7 G 12 MPH 5000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 13 06 PM Sun Nov 17 2024 22F 21F / 53% WSW 9 G 14 MPH 4900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 14 07 PM Sun Nov 17 2024 23F 22F / 54% SW 10 G 15 MPH 4800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 08 PM Sun Nov 17 2024 23F 22F / 52% SW 12 G 18 MPH 4800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 09 PM Sun Nov 17 2024 23F 22F / 51% WSW 13 G 21 MPH 4700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 10 PM Sun Nov 17 2024 24F 22F / 55% WSW 14 G 23 MPH 4600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 18 11 PM Sun Nov 17 2024 24F 22F / 54% WSW 15 G 24 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 12 AM Mon Nov 18 2024 24F 21F / 58% WSW 17 G 26 MPH 4400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 20 01 AM Mon Nov 18 2024 23F 21F / 63% WSW 18 G 29 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 21 02 AM Mon Nov 18 2024 23F 20F / 90% WSW 19 G 30 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 22 03 AM Mon Nov 18 2024 25F 20F / 97% WSW 20 G 34 MPH ≤ KSLC 7:1 / 14% 0.03" / 0.2" 0.03" / 0.2" 23 04 AM Mon Nov 18 2024 25F 20F / 97% W 22 G 36 MPH 6900 FT 8:1 / 12% 0.03" / 0.2" 0.06" / 0.4" 24 05 AM Mon Nov 18 2024 25F 19F / 98% W 25 G 40 MPH 4800 FT 8:1 / 12% 0.06" / 0.5" 0.12" / 0.9" 25 06 AM Mon Nov 18 2024 26F 19F / 97% W 26 G 42 MPH 4600 FT 8:1 / 12% 0.03" / 0.2" 0.15" / 1.1" 26 07 AM Mon Nov 18 2024 24F 18F / 86% W 28 G 47 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.15" / 1.1" 27 08 AM Mon Nov 18 2024 24F 16F / 90% W 29 G 47 MPH 6000 FT 10:1 / 10% 0.00" / 0.0" 0.15" / 1.1" 28 09 AM Mon Nov 18 2024 22F 15F / 92% W 23 G 40 MPH 5100 FT 12:1 / 8% 0.00" / 0.0" 0.15" / 1.1" 29 10 AM Mon Nov 18 2024 18F 11F / 94% W 20 G 34 MPH 5000 FT 14:1 / 7% 0.02" / 0.3" 0.17" / 1.4" 30 11 AM Mon Nov 18 2024 17F 10F / 93% W 22 G 35 MPH ≤ KSLC 16:1 / 6% 0.10" / 1.6" 0.27" / 3.0" 31 12 PM Mon Nov 18 2024 18F 10F / 92% W 22 G 36 MPH ≤ KSLC 18:1 / 6% 0.04" / 0.7" 0.31" / 3.7" 32 01 PM Mon Nov 18 2024 17F 9F / 91% W 21 G 35 MPH ≤ KSLC 17:1 / 6% 0.01" / 0.2" 0.32" / 3.9" 33 02 PM Mon Nov 18 2024 16F 7F / 92% W 18 G 30 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.32" / 3.9" 34 03 PM Mon Nov 18 2024 15F 6F / 94% W 20 G 29 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.32" / 3.9" 35 04 PM Mon Nov 18 2024 15F 5F / 96% WNW 19 G 32 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.32" / 3.9" 36 05 PM Mon Nov 18 2024 12F 4F / 88% WNW 21 G 35 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.32" / 3.9" 37 06 PM Mon Nov 18 2024 11F 4F / 90% WNW 22 G 35 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.32" / 3.9" 38 07 PM Mon Nov 18 2024 10F 4F / 89% WNW 22 G 34 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.32" / 3.9" 39 08 PM Mon Nov 18 2024 9F 4F / 86% WNW 22 G 33 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.32" / 3.9" 40 09 PM Mon Nov 18 2024 6F 1F / 91% WNW 22 G 34 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.32" / 3.9" 41 10 PM Mon Nov 18 2024 7F 2F / 86% WNW 23 G 34 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.32" / 3.9" 42 11 PM Mon Nov 18 2024 5F 2F / 86% W 20 G 30 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.32" / 3.9" 43 12 AM Tue Nov 19 2024 5F 1F / 94% W 19 G 28 MPH ≤ KSLC 18:1 / 6% 0.04" / 0.7" 0.36" / 4.6" 44 01 AM Tue Nov 19 2024 8F 3F / 88% W 20 G 29 MPH ≤ KSLC 20:1 / 5% 0.01" / 0.2" 0.37" / 4.8" 45 02 AM Tue Nov 19 2024 8F 3F / 87% W 18 G 28 MPH ≤ KSLC 23:1 / 4% 0.00" / 0.0" 0.37" / 4.8" 46 03 AM Tue Nov 19 2024 6F 1F / 89% W 18 G 27 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.37" / 4.8" 47 04 AM Tue Nov 19 2024 6F 2F / 89% W 18 G 27 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.37" / 4.8" 48 05 AM Tue Nov 19 2024 5F 0F / 89% WNW 19 G 30 MPH ≤ KSLC 21:1 / 5% 0.01" / 0.2" 0.38" / 5.0"