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 00Z 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 05 PM Fri Feb 14 2025 23F 15F / 94% WSW 17 G 29 MPH 6200 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 1 06 PM Fri Feb 14 2025 21F 15F / 100% WNW 19 G 29 MPH 6100 FT 15:1 / 7% 0.02" / 0.3" 0.02" / 0.3" 2 07 PM Fri Feb 14 2025 20F 14F / 97% WNW 25 G 40 MPH 6100 FT 13:1 / 8% 0.05" / 0.6" 0.07" / 0.9" 3 08 PM Fri Feb 14 2025 20F 14F / 98% WNW 23 G 36 MPH 6100 FT 15:1 / 7% 0.01" / 0.2" 0.08" / 1.1" 4 09 PM Fri Feb 14 2025 20F 14F / 98% W 23 G 37 MPH 6000 FT 14:1 / 7% 0.04" / 0.6" 0.12" / 1.7" 5 10 PM Fri Feb 14 2025 19F 13F / 98% WNW 22 G 35 MPH 5700 FT 17:1 / 6% 0.01" / 0.2" 0.13" / 1.9" 6 11 PM Fri Feb 14 2025 18F 12F / 98% WNW 23 G 36 MPH 5400 FT 14:1 / 7% 0.02" / 0.3" 0.15" / 2.2" 7 12 AM Sat Feb 15 2025 18F 12F / 95% WNW 23 G 36 MPH 5100 FT 13:1 / 8% 0.03" / 0.4" 0.18" / 2.6" 8 01 AM Sat Feb 15 2025 17F 11F / 95% W 22 G 34 MPH 4900 FT 14:1 / 7% 0.02" / 0.3" 0.20" / 2.9" 9 02 AM Sat Feb 15 2025 16F 10F / 90% W 21 G 34 MPH 4600 FT 14:1 / 7% 0.01" / 0.1" 0.21" / 3.0" 10 03 AM Sat Feb 15 2025 15F 9F / 90% W 22 G 33 MPH 4500 FT 13:1 / 8% 0.01" / 0.1" 0.22" / 3.1" 11 04 AM Sat Feb 15 2025 14F 8F / 92% W 22 G 33 MPH 4300 FT 16:1 / 6% 0.00" / 0.0" 0.22" / 3.1" 12 05 AM Sat Feb 15 2025 13F 7F / 93% WNW 24 G 36 MPH ≤ KSLC 16:1 / 6% 0.05" / 0.8" 0.27" / 3.9" 13 06 AM Sat Feb 15 2025 11F 7F / 91% WNW 25 G 38 MPH ≤ KSLC 16:1 / 6% 0.06" / 1.0" 0.33" / 4.9" 14 07 AM Sat Feb 15 2025 11F 6F / 91% WNW 25 G 36 MPH ≤ KSLC 17:1 / 6% 0.06" / 1.0" 0.39" / 5.9" 15 08 AM Sat Feb 15 2025 11F 6F / 97% WNW 23 G 35 MPH ≤ KSLC 16:1 / 6% 0.02" / 0.3" 0.41" / 6.2" 16 09 AM Sat Feb 15 2025 11F 6F / 94% WNW 22 G 34 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.41" / 6.2" 17 10 AM Sat Feb 15 2025 12F 5F / 94% WNW 22 G 33 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.41" / 6.2" 18 11 AM Sat Feb 15 2025 13F 4F / 91% WNW 24 G 38 MPH ≤ KSLC 17:1 / 6% 0.01" / 0.2" 0.42" / 6.4" 19 12 PM Sat Feb 15 2025 14F 3F / 96% WNW 27 G 38 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.42" / 6.4" 20 01 PM Sat Feb 15 2025 14F 4F / 100% WNW 24 G 35 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.42" / 6.4" 21 02 PM Sat Feb 15 2025 15F 4F / 99% WNW 24 G 33 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.42" / 6.4" 22 03 PM Sat Feb 15 2025 14F 5F / 97% WNW 23 G 33 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.42" / 6.4" 23 04 PM Sat Feb 15 2025 12F 4F / 94% WNW 26 G 35 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.42" / 6.4" 24 05 PM Sat Feb 15 2025 11F 4F / 87% WNW 27 G 38 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.42" / 6.4" 25 06 PM Sat Feb 15 2025 9F 4F / 86% WNW 31 G 45 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.42" / 6.4" 26 07 PM Sat Feb 15 2025 7F 5F / 78% WNW 32 G 47 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.42" / 6.4" 27 08 PM Sat Feb 15 2025 8F 5F / 75% WNW 33 G 49 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.42" / 6.4" 28 09 PM Sat Feb 15 2025 9F 7F / 73% WNW 32 G 48 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.42" / 6.4" 29 10 PM Sat Feb 15 2025 10F 8F / 75% WNW 32 G 48 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.42" / 6.4" 30 11 PM Sat Feb 15 2025 12F 9F / 77% WNW 32 G 46 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.42" / 6.4" 31 12 AM Sun Feb 16 2025 11F 10F / 76% WNW 31 G 47 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.42" / 6.4" 32 01 AM Sun Feb 16 2025 12F 12F / 74% WNW 31 G 45 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.42" / 6.4" 33 02 AM Sun Feb 16 2025 14F 13F / 80% WNW 29 G 45 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.42" / 6.4" 34 03 AM Sun Feb 16 2025 15F 14F / 86% WNW 28 G 43 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.42" / 6.4" 35 04 AM Sun Feb 16 2025 16F 15F / 90% WNW 26 G 39 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.42" / 6.4" 36 05 AM Sun Feb 16 2025 17F 15F / 95% WNW 24 G 37 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.42" / 6.4" 37 06 AM Sun Feb 16 2025 18F 14F / 94% WNW 23 G 34 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.42" / 6.4" 38 07 AM Sun Feb 16 2025 18F 15F / 86% WNW 25 G 38 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.42" / 6.4" 39 08 AM Sun Feb 16 2025 19F 16F / 82% W 26 G 40 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.42" / 6.4" 40 09 AM Sun Feb 16 2025 21F 18F / 77% W 27 G 43 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.42" / 6.4" 41 10 AM Sun Feb 16 2025 24F 19F / 76% W 28 G 42 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.42" / 6.4" 42 11 AM Sun Feb 16 2025 27F 20F / 71% W 27 G 42 MPH 4400 FT 8:1 / 12% 0.00" / 0.0" 0.42" / 6.4" 43 12 PM Sun Feb 16 2025 29F 21F / 70% W 28 G 44 MPH 4700 FT 7:1 / 14% 0.00" / 0.0" 0.42" / 6.4" 44 01 PM Sun Feb 16 2025 29F 21F / 68% W 28 G 44 MPH 5100 FT 8:1 / 12% 0.00" / 0.0" 0.42" / 6.4" 45 02 PM Sun Feb 16 2025 29F 21F / 66% W 26 G 41 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.42" / 6.4" 46 03 PM Sun Feb 16 2025 28F 21F / 68% WSW 22 G 37 MPH 5900 FT 10:1 / 10% 0.00" / 0.0" 0.42" / 6.4" 47 04 PM Sun Feb 16 2025 28F 20F / 76% WSW 23 G 36 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.42" / 6.4" 48 05 PM Sun Feb 16 2025 26F 20F / 78% W 23 G 36 MPH 6000 FT 9:1 / 11% 0.00" / 0.0" 0.42" / 6.4"