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 06Z 31-Dec-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 11 PM Mon Dec 30 2024 3F 2F / 67% W 19 G 24 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 1 12 AM Tue Dec 31 2024 5F 3F / 59% W 19 G 24 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 2 01 AM Tue Dec 31 2024 4F 3F / 61% W 18 G 23 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 3 02 AM Tue Dec 31 2024 4F 2F / 64% W 18 G 22 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 4 03 AM Tue Dec 31 2024 4F 3F / 68% W 17 G 23 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 5 04 AM Tue Dec 31 2024 4F 2F / 66% W 16 G 19 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 6 05 AM Tue Dec 31 2024 4F 2F / 69% W 16 G 21 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 7 06 AM Tue Dec 31 2024 3F 1F / 73% WNW 17 G 23 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 8 07 AM Tue Dec 31 2024 3F 1F / 74% WNW 17 G 23 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 9 08 AM Tue Dec 31 2024 3F 1F / 71% W 17 G 22 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 10 09 AM Tue Dec 31 2024 3F 2F / 66% W 19 G 23 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 11 10 AM Tue Dec 31 2024 4F 2F / 67% W 18 G 23 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 12 11 AM Tue Dec 31 2024 8F 3F / 76% W 18 G 25 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 13 12 PM Tue Dec 31 2024 12F 5F / 78% W 17 G 25 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 14 01 PM Tue Dec 31 2024 14F 5F / 92% W 18 G 27 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 15 02 PM Tue Dec 31 2024 14F 5F / 96% WNW 18 G 26 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 16 03 PM Tue Dec 31 2024 11F 5F / 80% W 17 G 23 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 17 04 PM Tue Dec 31 2024 11F 5F / 73% W 16 G 22 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 18 05 PM Tue Dec 31 2024 8F 5F / 69% WNW 19 G 28 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 19 06 PM Tue Dec 31 2024 5F 3F / 64% WNW 20 G 30 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 20 07 PM Tue Dec 31 2024 6F 4F / 61% W 21 G 31 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 21 08 PM Tue Dec 31 2024 6F 4F / 54% W 23 G 32 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 22 09 PM Tue Dec 31 2024 6F 5F / 52% W 25 G 35 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 23 10 PM Tue Dec 31 2024 8F 7F / 48% W 25 G 35 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 24 11 PM Tue Dec 31 2024 8F 7F / 50% W 25 G 36 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 25 12 AM Wed Jan 01 2025 8F 7F / 53% W 26 G 36 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 26 01 AM Wed Jan 01 2025 8F 7F / 55% W 25 G 37 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 27 02 AM Wed Jan 01 2025 9F 7F / 57% W 25 G 37 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 28 03 AM Wed Jan 01 2025 10F 9F / 59% W 26 G 39 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 29 04 AM Wed Jan 01 2025 10F 9F / 60% W 25 G 39 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 30 05 AM Wed Jan 01 2025 11F 9F / 64% W 26 G 40 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 31 06 AM Wed Jan 01 2025 11F 9F / 68% W 27 G 40 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 32 07 AM Wed Jan 01 2025 11F 9F / 69% W 28 G 40 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 33 08 AM Wed Jan 01 2025 12F 10F / 75% W 28 G 41 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 34 09 AM Wed Jan 01 2025 13F 10F / 87% W 30 G 45 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 35 10 AM Wed Jan 01 2025 16F 12F / 85% W 29 G 44 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 36 11 AM Wed Jan 01 2025 20F 13F / 87% W 28 G 44 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 37 12 PM Wed Jan 01 2025 22F 14F / 89% W 27 G 44 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 38 01 PM Wed Jan 01 2025 22F 14F / 90% W 28 G 47 MPH 4300 FT 11:1 / 9% 0.04" / 0.4" 0.04" / 0.4" 39 02 PM Wed Jan 01 2025 22F 15F / 93% W 27 G 45 MPH 4400 FT 10:1 / 10% 0.06" / 0.6" 0.10" / 1.0" 40 03 PM Wed Jan 01 2025 20F 14F / 96% W 30 G 50 MPH 4500 FT 10:1 / 10% 0.05" / 0.5" 0.15" / 1.5" 41 04 PM Wed Jan 01 2025 21F 14F / 90% W 31 G 48 MPH 4800 FT 10:1 / 10% 0.01" / 0.1" 0.16" / 1.6" 42 05 PM Wed Jan 01 2025 22F 15F / 90% W 29 G 48 MPH 4900 FT 11:1 / 9% 0.01" / 0.1" 0.17" / 1.7" 43 06 PM Wed Jan 01 2025 22F 16F / 83% W 31 G 52 MPH 4900 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.7" 44 07 PM Wed Jan 01 2025 22F 17F / 94% W 32 G 50 MPH 6200 FT 9:1 / 11% 0.05" / 0.4" 0.22" / 2.1" 45 08 PM Wed Jan 01 2025 23F 17F / 92% W 32 G 54 MPH 6300 FT 8:1 / 12% 0.11" / 0.9" 0.33" / 3.0" 46 09 PM Wed Jan 01 2025 24F 18F / 92% W 35 G 55 MPH 6700 FT 8:1 / 12% 0.03" / 0.2" 0.36" / 3.2" 47 10 PM Wed Jan 01 2025 24F 17F / 91% W 35 G 58 MPH 7200 FT 10:1 / 10% 0.13" / 1.3" 0.49" / 4.5" 48 11 PM Wed Jan 01 2025 24F 18F / 90% W 36 G 58 MPH 7200 FT 10:1 / 10% 0.00" / 0.0" 0.49" / 4.5"