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 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 AM Mon Nov 04 2024 13F 7F / 93% N 25 G 37 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 1 06 AM Mon Nov 04 2024 12F 7F / 76% NNW 26 G 40 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 2 07 AM Mon Nov 04 2024 11F 7F / 78% NNW 22 G 36 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 3 08 AM Mon Nov 04 2024 12F 7F / 76% NNW 19 G 36 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 4 09 AM Mon Nov 04 2024 14F 8F / 78% NNW 26 G 37 MPH 4300 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 5 10 AM Mon Nov 04 2024 16F 8F / 80% NNW 25 G 36 MPH 4400 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 6 11 AM Mon Nov 04 2024 18F 10F / 82% NNW 23 G 38 MPH 4700 FT 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 7 12 PM Mon Nov 04 2024 20F 11F / 86% NNW 21 G 33 MPH 4700 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 8 01 PM Mon Nov 04 2024 20F 12F / 89% NW 21 G 30 MPH 4800 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 9 02 PM Mon Nov 04 2024 22F 13F / 87% NW 19 G 29 MPH 4900 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 10 03 PM Mon Nov 04 2024 20F 14F / 91% NW 18 G 29 MPH 5000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 11 04 PM Mon Nov 04 2024 18F 14F / 79% NW 19 G 28 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 05 PM Mon Nov 04 2024 18F 16F / 68% NW 20 G 29 MPH 5400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 06 PM Mon Nov 04 2024 17F 16F / 68% NW 24 G 35 MPH 4900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 14 07 PM Mon Nov 04 2024 17F 16F / 66% WNW 27 G 39 MPH 4700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 15 08 PM Mon Nov 04 2024 19F 16F / 67% WNW 29 G 42 MPH 4900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 16 09 PM Mon Nov 04 2024 20F 17F / 68% WNW 30 G 45 MPH 5100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 17 10 PM Mon Nov 04 2024 21F 17F / 82% WNW 30 G 46 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 18 11 PM Mon Nov 04 2024 22F 16F / 90% WNW 32 G 48 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 19 12 AM Tue Nov 05 2024 22F 17F / 98% WNW 32 G 50 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 01 AM Tue Nov 05 2024 23F 17F / 98% WNW 30 G 48 MPH 5200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 21 02 AM Tue Nov 05 2024 21F 16F / 98% WNW 32 G 51 MPH 5500 FT 8:1 / 12% 0.02" / 0.2" 0.02" / 0.2" 22 03 AM Tue Nov 05 2024 21F 15F / 94% WNW 33 G 50 MPH 5400 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 23 04 AM Tue Nov 05 2024 21F 14F / 99% WNW 33 G 50 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 24 05 AM Tue Nov 05 2024 19F 13F / 96% WNW 34 G 51 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 25 06 AM Tue Nov 05 2024 18F 12F / 93% WNW 33 G 50 MPH 5700 FT 12:1 / 8% 0.00" / 0.0" 0.02" / 0.2" 26 07 AM Tue Nov 05 2024 18F 12F / 95% WNW 33 G 50 MPH 5500 FT 15:1 / 7% 0.00" / 0.0" 0.02" / 0.2" 27 08 AM Tue Nov 05 2024 17F 10F / 100% W 33 G 50 MPH 5300 FT 15:1 / 7% 0.00" / 0.0" 0.02" / 0.2" 28 09 AM Tue Nov 05 2024 17F 8F / 100% W 32 G 49 MPH 5000 FT 15:1 / 7% 0.00" / 0.0" 0.02" / 0.2" 29 10 AM Tue Nov 05 2024 17F 9F / 95% WNW 30 G 45 MPH 4600 FT 16:1 / 6% 0.00" / 0.0" 0.02" / 0.2" 30 11 AM Tue Nov 05 2024 17F 8F / 98% W 30 G 46 MPH 4600 FT 15:1 / 7% 0.00" / 0.0" 0.02" / 0.2" 31 12 PM Tue Nov 05 2024 16F 7F / 92% W 31 G 46 MPH 4700 FT 14:1 / 7% 0.02" / 0.3" 0.04" / 0.5" 32 01 PM Tue Nov 05 2024 17F 7F / 93% W 31 G 48 MPH 4500 FT 13:1 / 8% 0.01" / 0.1" 0.05" / 0.6" 33 02 PM Tue Nov 05 2024 17F 7F / 98% W 29 G 46 MPH ≤ KSLC 13:1 / 8% 0.04" / 0.5" 0.09" / 1.1" 34 03 PM Tue Nov 05 2024 15F 5F / 99% W 31 G 45 MPH ≤ KSLC 13:1 / 8% 0.04" / 0.5" 0.13" / 1.6" 35 04 PM Tue Nov 05 2024 14F 4F / 97% WNW 30 G 48 MPH ≤ KSLC 11:1 / 9% 0.01" / 0.1" 0.14" / 1.7" 36 05 PM Tue Nov 05 2024 12F 3F / 94% WNW 26 G 40 MPH ≤ KSLC 17:1 / 6% 0.08" / 1.4" 0.22" / 3.1" 37 06 PM Tue Nov 05 2024 11F 2F / 92% WNW 33 G 48 MPH ≤ KSLC 14:1 / 7% 0.02" / 0.3" 0.24" / 3.4" 38 07 PM Tue Nov 05 2024 9F 3F / 84% WNW 28 G 43 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.24" / 3.4" 39 08 PM Tue Nov 05 2024 8F 2F / 88% NW 24 G 37 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.24" / 3.4" 40 09 PM Tue Nov 05 2024 9F 2F / 88% NW 23 G 35 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.24" / 3.4" 41 10 PM Tue Nov 05 2024 8F 2F / 91% NW 22 G 31 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.24" / 3.4" 42 11 PM Tue Nov 05 2024 8F 4F / 81% NW 20 G 30 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.24" / 3.4" 43 12 AM Wed Nov 06 2024 7F 2F / 89% N 21 G 31 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.24" / 3.4" 44 01 AM Wed Nov 06 2024 7F 2F / 91% NNW 21 G 32 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.24" / 3.4" 45 02 AM Wed Nov 06 2024 7F 2F / 92% N 18 G 30 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.24" / 3.4" 46 03 AM Wed Nov 06 2024 7F 3F / 83% NNW 22 G 31 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.24" / 3.4" 47 04 AM Wed Nov 06 2024 5F 1F / 85% NNW 21 G 33 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.24" / 3.4" 48 05 AM Wed Nov 06 2024 6F 2F / 85% NNW 22 G 33 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.24" / 3.4"