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 04-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 PM Sun Nov 03 2024 18F 11F / 93% NW 19 G 30 MPH 5100 FT 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 1 06 PM Sun Nov 03 2024 16F 10F / 95% NW 19 G 27 MPH 5100 FT 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 2 07 PM Sun Nov 03 2024 15F 9F / 95% NW 21 G 33 MPH 4700 FT 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 3 08 PM Sun Nov 03 2024 15F 9F / 89% NNW 21 G 32 MPH 5000 FT 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 4 09 PM Sun Nov 03 2024 15F 9F / 87% N 25 G 40 MPH 5000 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 5 10 PM Sun Nov 03 2024 15F 9F / 88% NNW 26 G 41 MPH 4800 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 6 11 PM Sun Nov 03 2024 15F 9F / 88% N 24 G 39 MPH 4800 FT 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 7 12 AM Mon Nov 04 2024 15F 8F / 95% N 24 G 38 MPH 4800 FT 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 8 01 AM Mon Nov 04 2024 15F 8F / 100% NNW 25 G 37 MPH 4500 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 9 02 AM Mon Nov 04 2024 15F 9F / 95% NNW 24 G 38 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 10 03 AM Mon Nov 04 2024 14F 8F / 93% NNW 24 G 37 MPH 4500 FT 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 11 04 AM Mon Nov 04 2024 14F 8F / 94% N 25 G 39 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 12 05 AM Mon Nov 04 2024 14F 8F / 84% NNW 26 G 39 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 13 06 AM Mon Nov 04 2024 13F 8F / 72% NNW 25 G 39 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 14 07 AM Mon Nov 04 2024 12F 8F / 76% NNW 25 G 37 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 15 08 AM Mon Nov 04 2024 13F 9F / 76% NNW 23 G 37 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 16 09 AM Mon Nov 04 2024 15F 10F / 73% NNW 21 G 34 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 17 10 AM Mon Nov 04 2024 16F 10F / 78% NNW 22 G 32 MPH 4400 FT 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 18 11 AM Mon Nov 04 2024 18F 11F / 77% NNW 20 G 32 MPH 4600 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 19 12 PM Mon Nov 04 2024 20F 12F / 82% NW 19 G 30 MPH 4700 FT 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 20 01 PM Mon Nov 04 2024 21F 13F / 81% NW 18 G 28 MPH 4600 FT 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 21 02 PM Mon Nov 04 2024 22F 13F / 81% NW 9 G 24 MPH 4700 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 22 03 PM Mon Nov 04 2024 21F 14F / 79% NW 18 G 25 MPH 4700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 23 04 PM Mon Nov 04 2024 19F 15F / 68% NW 21 G 31 MPH 5000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 05 PM Mon Nov 04 2024 17F 16F / 61% NW 22 G 32 MPH 5000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 25 06 PM Mon Nov 04 2024 16F 15F / 68% NW 22 G 32 MPH 4900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 26 07 PM Mon Nov 04 2024 18F 16F / 63% WNW 25 G 36 MPH 4800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 27 08 PM Mon Nov 04 2024 18F 16F / 64% WNW 28 G 40 MPH 4700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 28 09 PM Mon Nov 04 2024 19F 16F / 70% WNW 27 G 42 MPH 4800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 29 10 PM Mon Nov 04 2024 22F 17F / 79% WNW 30 G 47 MPH 4800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 30 11 PM Mon Nov 04 2024 22F 17F / 86% WNW 33 G 49 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 31 12 AM Tue Nov 05 2024 22F 17F / 99% WNW 33 G 50 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 32 01 AM Tue Nov 05 2024 22F 17F / 98% WNW 34 G 51 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 33 02 AM Tue Nov 05 2024 21F 16F / 100% WNW 32 G 49 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 34 03 AM Tue Nov 05 2024 21F 16F / 100% WNW 29 G 43 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 35 04 AM Tue Nov 05 2024 20F 14F / 100% WNW 28 G 42 MPH ≤ KSLC 9:1 / 11% 0.01" / 0.1" 0.01" / 0.1" 36 05 AM Tue Nov 05 2024 20F 14F / 93% WNW 28 G 43 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.01" / 0.1" 37 06 AM Tue Nov 05 2024 20F 15F / 84% WNW 28 G 42 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.01" / 0.1" 38 07 AM Tue Nov 05 2024 20F 14F / 99% WNW 28 G 41 MPH 5500 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 39 08 AM Tue Nov 05 2024 20F 14F / 85% WNW 30 G 45 MPH 5500 FT 13:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 40 09 AM Tue Nov 05 2024 19F 13F / 87% WNW 29 G 45 MPH 5400 FT 14:1 / 7% 0.00" / 0.0" 0.01" / 0.1" 41 10 AM Tue Nov 05 2024 19F 13F / 83% W 29 G 43 MPH 5300 FT 15:1 / 7% 0.00" / 0.0" 0.01" / 0.1" 42 11 AM Tue Nov 05 2024 20F 13F / 88% W 29 G 46 MPH 5200 FT 14:1 / 7% 0.00" / 0.0" 0.01" / 0.1" 43 12 PM Tue Nov 05 2024 21F 12F / 97% W 29 G 46 MPH 5000 FT 14:1 / 7% 0.00" / 0.0" 0.01" / 0.1" 44 01 PM Tue Nov 05 2024 20F 12F / 91% W 27 G 42 MPH 4900 FT 15:1 / 7% 0.01" / 0.2" 0.02" / 0.3" 45 02 PM Tue Nov 05 2024 21F 11F / 92% W 28 G 43 MPH 4600 FT 14:1 / 7% 0.05" / 0.7" 0.07" / 1.0" 46 03 PM Tue Nov 05 2024 19F 9F / 92% W 28 G 44 MPH 4400 FT 13:1 / 8% 0.07" / 0.9" 0.14" / 1.9" 47 04 PM Tue Nov 05 2024 17F 9F / 92% WNW 28 G 42 MPH ≤ KSLC 14:1 / 7% 0.09" / 1.3" 0.23" / 3.2" 48 05 PM Tue Nov 05 2024 13F 6F / 92% WNW 31 G 44 MPH ≤ KSLC 12:1 / 8% 0.07" / 0.8" 0.30" / 4.0"