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 03-Apr-2025 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 06 AM Thu Apr 03 2025 12F 8F / 78% SE 11 G 20 MPH 4500 FT 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Thu Apr 03 2025 12F 9F / 81% ESE 7 G 13 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Thu Apr 03 2025 12F 8F / 79% ESE 5 G 10 MPH 4300 FT 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Thu Apr 03 2025 12F 8F / 79% ESE 5 G 11 MPH 4600 FT 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Thu Apr 03 2025 15F 10F / 77% ESE 5 G 10 MPH 4900 FT 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Thu Apr 03 2025 18F 11F / 75% ESE 3 G 6 MPH 4900 FT 22:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Thu Apr 03 2025 20F 13F / 90% E 3 G 7 MPH 4800 FT 22:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Thu Apr 03 2025 22F 14F / 95% ENE 3 G 7 MPH 4900 FT 22:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Thu Apr 03 2025 22F 14F / 96% WNW 11 G 18 MPH 5000 FT 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Thu Apr 03 2025 23F 14F / 94% WNW 14 G 23 MPH 5000 FT 18:1 / 6% 0.02" / 0.4" 0.02" / 0.4" 10 04 PM Thu Apr 03 2025 23F 14F / 97% WNW 12 G 20 MPH 5200 FT 17:1 / 6% 0.02" / 0.3" 0.04" / 0.7" 11 05 PM Thu Apr 03 2025 22F 13F / 95% NW 13 G 22 MPH 5200 FT 18:1 / 6% 0.01" / 0.2" 0.05" / 0.9" 12 06 PM Thu Apr 03 2025 20F 13F / 88% NW 12 G 20 MPH 5400 FT 17:1 / 6% 0.00" / 0.0" 0.05" / 0.9" 13 07 PM Thu Apr 03 2025 19F 12F / 87% NW 12 G 17 MPH 5400 FT 18:1 / 6% 0.00" / 0.0" 0.05" / 0.9" 14 08 PM Thu Apr 03 2025 18F 11F / 95% NW 12 G 17 MPH 5600 FT 18:1 / 6% 0.00" / 0.0" 0.05" / 0.9" 15 09 PM Thu Apr 03 2025 17F 11F / 93% NNW 13 G 20 MPH 5500 FT 17:1 / 6% 0.07" / 1.2" 0.12" / 2.1" 16 10 PM Thu Apr 03 2025 16F 10F / 100% NW 10 G 18 MPH 5100 FT 19:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 17 11 PM Thu Apr 03 2025 15F 10F / 88% NW 13 G 20 MPH 5000 FT 19:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 18 12 AM Fri Apr 04 2025 13F 9F / 89% NNW 12 G 19 MPH 5000 FT 19:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 19 01 AM Fri Apr 04 2025 14F 9F / 97% NNW 10 G 19 MPH 4400 FT 19:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 20 02 AM Fri Apr 04 2025 14F 9F / 95% NNW 11 G 20 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 21 03 AM Fri Apr 04 2025 12F 9F / 82% NNW 10 G 18 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 22 04 AM Fri Apr 04 2025 12F 8F / 71% NNW 12 G 18 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 23 05 AM Fri Apr 04 2025 12F 8F / 73% NNW 12 G 18 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 24 06 AM Fri Apr 04 2025 11F 9F / 72% NNW 10 G 15 MPH 4300 FT 20:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 25 07 AM Fri Apr 04 2025 11F 8F / 69% NW 10 G 14 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 26 08 AM Fri Apr 04 2025 10F 8F / 66% NNW 10 G 14 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 27 09 AM Fri Apr 04 2025 11F 9F / 68% N 9 G 12 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 28 10 AM Fri Apr 04 2025 15F 11F / 62% N 9 G 13 MPH 4700 FT 22:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 29 11 AM Fri Apr 04 2025 18F 13F / 63% N 8 G 14 MPH 4800 FT 21:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 30 12 PM Fri Apr 04 2025 20F 13F / 85% NNE 7 G 11 MPH 4900 FT 22:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 31 01 PM Fri Apr 04 2025 23F 15F / 88% NNW 6 G 11 MPH 5000 FT 21:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 32 02 PM Fri Apr 04 2025 25F 17F / 86% NW 6 G 12 MPH 5100 FT 20:1 / 5% 0.00" / 0.0" 0.12" / 2.1" 33 03 PM Fri Apr 04 2025 25F 17F / 89% NW 11 G 17 MPH 5300 FT 18:1 / 6% 0.00" / 0.0" 0.12" / 2.1" 34 04 PM Fri Apr 04 2025 26F 17F / 83% NW 11 G 16 MPH 5700 FT 18:1 / 6% 0.00" / 0.0" 0.12" / 2.1" 35 05 PM Fri Apr 04 2025 25F 16F / 81% NW 12 G 20 MPH 5800 FT 17:1 / 6% 0.00" / 0.0" 0.12" / 2.1" 36 06 PM Fri Apr 04 2025 22F 15F / 83% E 9 G 18 MPH 5700 FT 16:1 / 6% 0.00" / 0.0" 0.12" / 2.1" 37 07 PM Fri Apr 04 2025 20F 14F / 91% N 14 G 22 MPH 5900 FT 17:1 / 6% 0.07" / 1.2" 0.19" / 3.3" 38 08 PM Fri Apr 04 2025 18F 13F / 95% NNE 12 G 20 MPH 5400 FT 17:1 / 6% 0.00" / 0.0" 0.19" / 3.3" 39 09 PM Fri Apr 04 2025 16F 12F / 98% NNE 12 G 19 MPH 5300 FT 17:1 / 6% 0.00" / 0.0" 0.19" / 3.3" 40 10 PM Fri Apr 04 2025 16F 13F / 94% NNE 13 G 20 MPH 5300 FT 17:1 / 6% 0.00" / 0.0" 0.19" / 3.3" 41 11 PM Fri Apr 04 2025 16F 12F / 100% NNE 16 G 25 MPH 5200 FT 16:1 / 6% 0.00" / 0.0" 0.19" / 3.3" 42 12 AM Sat Apr 05 2025 16F 13F / 88% NE 12 G 20 MPH 5200 FT 20:1 / 5% 0.00" / 0.0" 0.19" / 3.3" 43 01 AM Sat Apr 05 2025 16F 13F / 83% NNE 13 G 20 MPH 5100 FT 16:1 / 6% 0.00" / 0.0" 0.19" / 3.3" 44 02 AM Sat Apr 05 2025 14F 12F / 79% NE 17 G 23 MPH 5000 FT 16:1 / 6% 0.00" / 0.0" 0.19" / 3.3" 45 03 AM Sat Apr 05 2025 14F 11F / 75% NNE 16 G 24 MPH 4900 FT 14:1 / 7% 0.00" / 0.0" 0.19" / 3.3" 46 04 AM Sat Apr 05 2025 13F 12F / 68% NNE 16 G 24 MPH 4600 FT 14:1 / 7% 0.00" / 0.0" 0.19" / 3.3" 47 05 AM Sat Apr 05 2025 12F 11F / 60% NE 16 G 24 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.19" / 3.3" 48 06 AM Sat Apr 05 2025 10F 10F / 65% NNE 16 G 23 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.19" / 3.3"