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-Mar-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 05 AM Mon Mar 03 2025 15F 11F / 94% SE 9 G 19 MPH 4700 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 1 06 AM Mon Mar 03 2025 15F 10F / 89% ESE 7 G 14 MPH 4600 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 2 07 AM Mon Mar 03 2025 15F 10F / 88% ESE 5 G 11 MPH 4500 FT 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 3 08 AM Mon Mar 03 2025 15F 10F / 88% E 6 G 13 MPH 4300 FT 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 4 09 AM Mon Mar 03 2025 17F 10F / 90% ESE 3 G 6 MPH 4600 FT 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 5 10 AM Mon Mar 03 2025 18F 11F / 90% ESE 2 G 3 MPH 4700 FT 22:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 6 11 AM Mon Mar 03 2025 21F 12F / 90% E 2 G 6 MPH 4900 FT 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 7 12 PM Mon Mar 03 2025 22F 14F / 95% NW 5 G 12 MPH 5000 FT 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 8 01 PM Mon Mar 03 2025 23F 14F / 96% NW 10 G 16 MPH 5200 FT 18:1 / 6% 0.01" / 0.2" 0.01" / 0.2" 9 02 PM Mon Mar 03 2025 24F 14F / 91% NW 12 G 21 MPH 5500 FT 17:1 / 6% 0.01" / 0.2" 0.02" / 0.4" 10 03 PM Mon Mar 03 2025 23F 14F / 90% NW 14 G 24 MPH 5700 FT 14:1 / 7% 0.01" / 0.1" 0.03" / 0.5" 11 04 PM Mon Mar 03 2025 23F 14F / 89% NW 18 G 30 MPH 5600 FT 15:1 / 7% 0.00" / 0.0" 0.03" / 0.5" 12 05 PM Mon Mar 03 2025 21F 14F / 87% NW 18 G 27 MPH 5600 FT 15:1 / 7% 0.00" / 0.0" 0.03" / 0.5" 13 06 PM Mon Mar 03 2025 20F 13F / 91% NW 20 G 31 MPH 5800 FT 14:1 / 7% 0.00" / 0.0" 0.03" / 0.5" 14 07 PM Mon Mar 03 2025 19F 12F / 88% NW 20 G 31 MPH 5900 FT 14:1 / 7% 0.00" / 0.0" 0.03" / 0.5" 15 08 PM Mon Mar 03 2025 18F 12F / 86% NW 21 G 32 MPH 6000 FT 15:1 / 7% 0.00" / 0.0" 0.03" / 0.5" 16 09 PM Mon Mar 03 2025 18F 12F / 90% NW 23 G 34 MPH 6000 FT 14:1 / 7% 0.00" / 0.0" 0.03" / 0.5" 17 10 PM Mon Mar 03 2025 19F 12F / 85% SSE 25 G 39 MPH 5900 FT 16:1 / 6% 0.00" / 0.0" 0.03" / 0.5" 18 11 PM Mon Mar 03 2025 19F 13F / 88% NW 23 G 39 MPH 6000 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.5" 19 12 AM Tue Mar 04 2025 19F 13F / 93% NNW 22 G 42 MPH 6000 FT 10:1 / 10% 0.00" / 0.0" 0.03" / 0.5" 20 01 AM Tue Mar 04 2025 19F 13F / 100% NW 24 G 39 MPH 6200 FT 11:1 / 9% 0.03" / 0.3" 0.06" / 0.8" 21 02 AM Tue Mar 04 2025 19F 13F / 98% NW 23 G 36 MPH 6200 FT 12:1 / 8% 0.01" / 0.1" 0.07" / 0.9" 22 03 AM Tue Mar 04 2025 19F 13F / 96% NW 25 G 38 MPH 6300 FT 13:1 / 8% 0.11" / 1.4" 0.18" / 2.3" 23 04 AM Tue Mar 04 2025 19F 13F / 98% NW 27 G 40 MPH 6200 FT 13:1 / 8% 0.00" / 0.0" 0.18" / 2.3" 24 05 AM Tue Mar 04 2025 19F 13F / 95% NW 25 G 38 MPH 5900 FT 14:1 / 7% 0.00" / 0.0" 0.18" / 2.3" 25 06 AM Tue Mar 04 2025 19F 13F / 94% NW 23 G 33 MPH 5700 FT 14:1 / 7% 0.00" / 0.0" 0.18" / 2.3" 26 07 AM Tue Mar 04 2025 18F 12F / 94% NW 20 G 30 MPH 5500 FT 15:1 / 7% 0.04" / 0.6" 0.22" / 2.9" 27 08 AM Tue Mar 04 2025 17F 12F / 96% NW 21 G 32 MPH 5400 FT 15:1 / 7% 0.03" / 0.4" 0.25" / 3.3" 28 09 AM Tue Mar 04 2025 18F 11F / 94% WNW 20 G 30 MPH 5400 FT 16:1 / 6% 0.01" / 0.2" 0.26" / 3.5" 29 10 AM Tue Mar 04 2025 19F 12F / 91% NW 19 G 29 MPH 5300 FT 16:1 / 6% 0.02" / 0.3" 0.28" / 3.8" 30 11 AM Tue Mar 04 2025 21F 12F / 92% NW 19 G 28 MPH 5300 FT 18:1 / 6% 0.03" / 0.5" 0.31" / 4.3" 31 12 PM Tue Mar 04 2025 22F 13F / 89% WNW 19 G 29 MPH 5400 FT 20:1 / 5% 0.00" / 0.0" 0.31" / 4.3" 32 01 PM Tue Mar 04 2025 23F 13F / 91% NW 18 G 28 MPH 5600 FT 23:1 / 4% 0.00" / 0.0" 0.31" / 4.3" 33 02 PM Tue Mar 04 2025 24F 14F / 90% WNW 18 G 28 MPH 5600 FT 23:1 / 4% 0.00" / 0.0" 0.31" / 4.3" 34 03 PM Tue Mar 04 2025 23F 14F / 99% WNW 18 G 27 MPH 5700 FT 23:1 / 4% 0.00" / 0.0" 0.31" / 4.3" 35 04 PM Tue Mar 04 2025 23F 14F / 100% WNW 18 G 28 MPH 5700 FT 18:1 / 6% 0.00" / 0.0" 0.31" / 4.3" 36 05 PM Tue Mar 04 2025 20F 13F / 99% WNW 19 G 30 MPH 5800 FT 16:1 / 6% 0.00" / 0.0" 0.31" / 4.3" 37 06 PM Tue Mar 04 2025 20F 14F / 91% WNW 18 G 27 MPH 6000 FT 16:1 / 6% 0.00" / 0.0" 0.31" / 4.3" 38 07 PM Tue Mar 04 2025 16F 13F / 87% WNW 17 G 26 MPH 5900 FT 13:1 / 8% 0.00" / 0.0" 0.31" / 4.3" 39 08 PM Tue Mar 04 2025 15F 13F / 81% WNW 17 G 24 MPH 5800 FT 13:1 / 8% 0.00" / 0.0" 0.31" / 4.3" 40 09 PM Tue Mar 04 2025 15F 13F / 81% WNW 17 G 25 MPH 5700 FT 12:1 / 8% 0.00" / 0.0" 0.31" / 4.3" 41 10 PM Tue Mar 04 2025 15F 13F / 79% WNW 19 G 27 MPH 5700 FT 11:1 / 9% 0.00" / 0.0" 0.31" / 4.3" 42 11 PM Tue Mar 04 2025 15F 12F / 81% W 22 G 31 MPH 5700 FT 13:1 / 8% 0.00" / 0.0" 0.31" / 4.3" 43 12 AM Wed Mar 05 2025 15F 13F / 73% WNW 22 G 32 MPH 5600 FT 12:1 / 8% 0.00" / 0.0" 0.31" / 4.3" 44 01 AM Wed Mar 05 2025 15F 13F / 75% WNW 21 G 30 MPH 5200 FT 12:1 / 8% 0.00" / 0.0" 0.31" / 4.3" 45 02 AM Wed Mar 05 2025 16F 13F / 76% WNW 23 G 33 MPH 5300 FT 11:1 / 9% 0.00" / 0.0" 0.31" / 4.3" 46 03 AM Wed Mar 05 2025 16F 13F / 78% WNW 21 G 31 MPH 5200 FT 12:1 / 8% 0.00" / 0.0" 0.31" / 4.3" 47 04 AM Wed Mar 05 2025 16F 13F / 80% WNW 21 G 28 MPH 5200 FT 13:1 / 8% 0.00" / 0.0" 0.31" / 4.3" 48 05 AM Wed Mar 05 2025 16F 13F / 80% W 20 G 29 MPH 5200 FT 13:1 / 8% 0.00" / 0.0" 0.31" / 4.3"