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 15-Feb-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 11 PM Fri Feb 14 2025 18F 12F / 95% W 23 G 36 MPH 5100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 1 12 AM Sat Feb 15 2025 17F 12F / 97% WNW 24 G 38 MPH 5100 FT 13:1 / 8% 0.16" / 2.1" 0.16" / 2.1" 2 01 AM Sat Feb 15 2025 17F 12F / 97% WNW 23 G 35 MPH 5000 FT 12:1 / 8% 0.05" / 0.6" 0.21" / 2.7" 3 02 AM Sat Feb 15 2025 16F 11F / 94% WNW 22 G 35 MPH 5000 FT 14:1 / 7% 0.04" / 0.6" 0.25" / 3.3" 4 03 AM Sat Feb 15 2025 16F 10F / 94% WNW 22 G 34 MPH 4600 FT 12:1 / 8% 0.03" / 0.4" 0.28" / 3.7" 5 04 AM Sat Feb 15 2025 14F 8F / 91% W 22 G 33 MPH 4300 FT 15:1 / 7% 0.04" / 0.6" 0.32" / 4.3" 6 05 AM Sat Feb 15 2025 13F 8F / 96% WNW 26 G 40 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.32" / 4.3" 7 06 AM Sat Feb 15 2025 12F 7F / 93% WNW 25 G 39 MPH ≤ KSLC 15:1 / 7% 0.02" / 0.3" 0.34" / 4.6" 8 07 AM Sat Feb 15 2025 12F 6F / 92% WNW 27 G 40 MPH ≤ KSLC 16:1 / 6% 0.03" / 0.5" 0.37" / 5.1" 9 08 AM Sat Feb 15 2025 10F 5F / 93% WNW 25 G 37 MPH ≤ KSLC 18:1 / 6% 0.01" / 0.2" 0.38" / 5.3" 10 09 AM Sat Feb 15 2025 11F 5F / 94% WNW 24 G 34 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.38" / 5.3" 11 10 AM Sat Feb 15 2025 12F 4F / 94% WNW 24 G 36 MPH ≤ KSLC 18:1 / 6% 0.01" / 0.2" 0.39" / 5.5" 12 11 AM Sat Feb 15 2025 14F 4F / 91% WNW 24 G 38 MPH ≤ KSLC 18:1 / 6% 0.01" / 0.2" 0.40" / 5.7" 13 12 PM Sat Feb 15 2025 14F 3F / 100% WNW 25 G 38 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.40" / 5.7" 14 01 PM Sat Feb 15 2025 15F 4F / 100% WNW 24 G 37 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.40" / 5.7" 15 02 PM Sat Feb 15 2025 15F 5F / 98% WNW 23 G 33 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.40" / 5.7" 16 03 PM Sat Feb 15 2025 14F 4F / 98% WNW 25 G 35 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.40" / 5.7" 17 04 PM Sat Feb 15 2025 12F 4F / 90% WNW 26 G 37 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.40" / 5.7" 18 05 PM Sat Feb 15 2025 11F 4F / 81% WNW 26 G 41 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.40" / 5.7" 19 06 PM Sat Feb 15 2025 9F 5F / 82% WNW 30 G 43 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.40" / 5.7" 20 07 PM Sat Feb 15 2025 7F 5F / 79% WNW 32 G 47 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.40" / 5.7" 21 08 PM Sat Feb 15 2025 8F 5F / 74% WNW 33 G 48 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.40" / 5.7" 22 09 PM Sat Feb 15 2025 9F 7F / 74% WNW 33 G 50 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.40" / 5.7" 23 10 PM Sat Feb 15 2025 10F 8F / 75% WNW 32 G 49 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.40" / 5.7" 24 11 PM Sat Feb 15 2025 11F 9F / 79% WNW 33 G 47 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.40" / 5.7" 25 12 AM Sun Feb 16 2025 11F 10F / 80% WNW 32 G 45 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.40" / 5.7" 26 01 AM Sun Feb 16 2025 12F 11F / 84% WNW 30 G 47 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.40" / 5.7" 27 02 AM Sun Feb 16 2025 13F 12F / 88% WNW 30 G 46 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.40" / 5.7" 28 03 AM Sun Feb 16 2025 14F 14F / 88% WNW 29 G 45 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.40" / 5.7" 29 04 AM Sun Feb 16 2025 16F 15F / 88% WNW 27 G 41 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.40" / 5.7" 30 05 AM Sun Feb 16 2025 16F 15F / 93% WNW 26 G 40 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.40" / 5.7" 31 06 AM Sun Feb 16 2025 17F 16F / 90% WNW 25 G 37 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.40" / 5.7" 32 07 AM Sun Feb 16 2025 18F 17F / 85% WNW 26 G 38 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.40" / 5.7" 33 08 AM Sun Feb 16 2025 19F 17F / 81% W 27 G 40 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.40" / 5.7" 34 09 AM Sun Feb 16 2025 21F 18F / 80% W 28 G 44 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.40" / 5.7" 35 10 AM Sun Feb 16 2025 23F 18F / 76% W 28 G 44 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.40" / 5.7" 36 11 AM Sun Feb 16 2025 25F 19F / 75% W 28 G 45 MPH 4500 FT 7:1 / 14% 0.00" / 0.0" 0.40" / 5.7" 37 12 PM Sun Feb 16 2025 28F 21F / 68% W 28 G 45 MPH 4800 FT 7:1 / 14% 0.00" / 0.0" 0.40" / 5.7" 38 01 PM Sun Feb 16 2025 29F 20F / 71% W 26 G 44 MPH 5200 FT 7:1 / 14% 0.00" / 0.0" 0.40" / 5.7" 39 02 PM Sun Feb 16 2025 28F 20F / 78% W 25 G 41 MPH 5400 FT 7:1 / 14% 0.00" / 0.0" 0.40" / 5.7" 40 03 PM Sun Feb 16 2025 27F 21F / 71% WSW 23 G 40 MPH 5800 FT 8:1 / 12% 0.01" / 0.1" 0.41" / 5.8" 41 04 PM Sun Feb 16 2025 27F 20F / 72% WSW 24 G 40 MPH 6000 FT 7:1 / 14% 0.00" / 0.0" 0.41" / 5.8" 42 05 PM Sun Feb 16 2025 26F 20F / 68% WSW 26 G 44 MPH 5900 FT 8:1 / 12% 0.00" / 0.0" 0.41" / 5.8" 43 06 PM Sun Feb 16 2025 24F 20F / 65% W 27 G 45 MPH 6200 FT 9:1 / 11% 0.00" / 0.0" 0.41" / 5.8" 44 07 PM Sun Feb 16 2025 23F 19F / 72% W 30 G 46 MPH 6200 FT 10:1 / 10% 0.00" / 0.0" 0.41" / 5.8" 45 08 PM Sun Feb 16 2025 24F 19F / 78% W 25 G 42 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.41" / 5.8" 46 09 PM Sun Feb 16 2025 24F 19F / 80% W 24 G 38 MPH 5800 FT 13:1 / 8% 0.00" / 0.0" 0.41" / 5.8" 47 10 PM Sun Feb 16 2025 23F 18F / 87% WSW 23 G 35 MPH 6300 FT 14:1 / 7% 0.00" / 0.0" 0.41" / 5.8" 48 11 PM Sun Feb 16 2025 23F 18F / 88% WSW 26 G 41 MPH 6400 FT 11:1 / 9% 0.00" / 0.0" 0.41" / 5.8"