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 30-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 05 AM Mon Dec 30 2024 15F 8F / 99% WNW 29 G 47 MPH 4700 FT 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 1 06 AM Mon Dec 30 2024 14F 7F / 98% WNW 24 G 39 MPH 4700 FT 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 2 07 AM Mon Dec 30 2024 13F 7F / 94% WNW 25 G 40 MPH 4400 FT 17:1 / 6% 0.01" / 0.2" 0.01" / 0.2" 3 08 AM Mon Dec 30 2024 11F 4F / 92% WNW 28 G 43 MPH 4500 FT 17:1 / 6% 0.01" / 0.2" 0.02" / 0.4" 4 09 AM Mon Dec 30 2024 10F 3F / 98% WNW 27 G 42 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 5 10 AM Mon Dec 30 2024 10F 3F / 96% WNW 27 G 41 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 6 11 AM Mon Dec 30 2024 12F 4F / 98% WNW 26 G 39 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 7 12 PM Mon Dec 30 2024 13F 4F / 100% WNW 26 G 38 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 8 01 PM Mon Dec 30 2024 14F 4F / 97% WNW 25 G 37 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 9 02 PM Mon Dec 30 2024 14F 4F / 100% WNW 24 G 36 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 10 03 PM Mon Dec 30 2024 13F 4F / 100% WNW 24 G 35 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 11 04 PM Mon Dec 30 2024 11F 4F / 100% WNW 21 G 34 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 12 05 PM Mon Dec 30 2024 11F 4F / 94% WNW 23 G 32 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 13 06 PM Mon Dec 30 2024 10F 3F / 100% WNW 21 G 32 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 14 07 PM Mon Dec 30 2024 8F 3F / 93% WNW 21 G 29 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 15 08 PM Mon Dec 30 2024 6F 2F / 92% W 20 G 26 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.02" / 0.4" 16 09 PM Mon Dec 30 2024 5F 2F / 90% W 19 G 25 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.02" / 0.4" 17 10 PM Mon Dec 30 2024 5F 3F / 77% W 21 G 26 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.02" / 0.4" 18 11 PM Mon Dec 30 2024 5F 3F / 78% W 22 G 29 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 19 12 AM Tue Dec 31 2024 5F 4F / 77% W 22 G 29 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 20 01 AM Tue Dec 31 2024 5F 4F / 75% WNW 22 G 30 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 21 02 AM Tue Dec 31 2024 5F 3F / 77% W 23 G 28 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 22 03 AM Tue Dec 31 2024 4F 3F / 79% W 19 G 26 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 23 04 AM Tue Dec 31 2024 4F 2F / 81% W 18 G 26 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 24 05 AM Tue Dec 31 2024 4F 2F / 80% WNW 19 G 25 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 25 06 AM Tue Dec 31 2024 5F 3F / 77% W 19 G 26 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 26 07 AM Tue Dec 31 2024 4F 3F / 73% W 19 G 26 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 27 08 AM Tue Dec 31 2024 4F 2F / 71% W 19 G 28 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 28 09 AM Tue Dec 31 2024 4F 3F / 71% W 21 G 29 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 29 10 AM Tue Dec 31 2024 5F 4F / 71% WNW 22 G 29 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 30 11 AM Tue Dec 31 2024 9F 5F / 72% W 22 G 31 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 31 12 PM Tue Dec 31 2024 13F 6F / 74% W 21 G 30 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 32 01 PM Tue Dec 31 2024 13F 7F / 70% W 21 G 29 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 33 02 PM Tue Dec 31 2024 14F 6F / 72% W 20 G 28 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 34 03 PM Tue Dec 31 2024 12F 7F / 65% W 21 G 27 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 35 04 PM Tue Dec 31 2024 10F 6F / 72% WNW 21 G 32 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 36 05 PM Tue Dec 31 2024 8F 6F / 73% WNW 22 G 32 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.02" / 0.4" 37 06 PM Tue Dec 31 2024 8F 6F / 58% WNW 23 G 34 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.02" / 0.4" 38 07 PM Tue Dec 31 2024 9F 7F / 55% WNW 24 G 35 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.02" / 0.4" 39 08 PM Tue Dec 31 2024 8F 7F / 58% WNW 25 G 36 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.02" / 0.4" 40 09 PM Tue Dec 31 2024 8F 7F / 61% W 26 G 39 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.02" / 0.4" 41 10 PM Tue Dec 31 2024 9F 7F / 58% W 27 G 39 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.02" / 0.4" 42 11 PM Tue Dec 31 2024 9F 8F / 58% W 27 G 40 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.02" / 0.4" 43 12 AM Wed Jan 01 2025 10F 8F / 57% W 26 G 40 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.02" / 0.4" 44 01 AM Wed Jan 01 2025 11F 9F / 56% W 26 G 41 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.02" / 0.4" 45 02 AM Wed Jan 01 2025 11F 10F / 58% W 27 G 39 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.02" / 0.4" 46 03 AM Wed Jan 01 2025 11F 9F / 55% W 26 G 39 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.02" / 0.4" 47 04 AM Wed Jan 01 2025 12F 10F / 59% W 27 G 40 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.02" / 0.4" 48 05 AM Wed Jan 01 2025 13F 10F / 64% W 26 G 39 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.02" / 0.4"