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 18Z 24-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 AM Mon Feb 24 2025 34F 26F / 65% WNW 28 G 43 MPH 8100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 1 12 PM Mon Feb 24 2025 34F 25F / 51% W 26 G 40 MPH 7800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 2 01 PM Mon Feb 24 2025 35F 26F / 33% W 27 G 41 MPH 7800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 3 02 PM Mon Feb 24 2025 36F 26F / 40% W 27 G 41 MPH 7900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 4 03 PM Mon Feb 24 2025 34F 27F / 44% W 26 G 39 MPH 8000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 5 04 PM Mon Feb 24 2025 34F 28F / 49% W 24 G 37 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 6 05 PM Mon Feb 24 2025 32F 28F / 49% W 26 G 39 MPH 8600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 7 06 PM Mon Feb 24 2025 31F 27F / 48% W 24 G 37 MPH 8500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 8 07 PM Mon Feb 24 2025 30F 27F / 52% WSW 22 G 34 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 08 PM Mon Feb 24 2025 29F 27F / 53% WSW 21 G 32 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 09 PM Mon Feb 24 2025 30F 27F / 70% WSW 22 G 37 MPH 9200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 11 10 PM Mon Feb 24 2025 30F 28F / 62% SW 25 G 41 MPH 9500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 12 11 PM Mon Feb 24 2025 32F 28F / 65% SW 27 G 47 MPH 9300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 13 12 AM Tue Feb 25 2025 31F 28F / 68% SW 24 G 41 MPH 9600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 14 01 AM Tue Feb 25 2025 31F 28F / 70% WSW 25 G 42 MPH 9500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 02 AM Tue Feb 25 2025 32F 28F / 73% WSW 24 G 38 MPH 8300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 16 03 AM Tue Feb 25 2025 31F 27F / 67% WSW 24 G 37 MPH 8700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 17 04 AM Tue Feb 25 2025 30F 26F / 42% W 28 G 45 MPH 7700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 18 05 AM Tue Feb 25 2025 28F 23F / 39% W 29 G 44 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 06 AM Tue Feb 25 2025 25F 22F / 52% W 28 G 43 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 07 AM Tue Feb 25 2025 24F 21F / 47% W 27 G 43 MPH 6600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 21 08 AM Tue Feb 25 2025 23F 20F / 44% W 25 G 39 MPH 6400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 09 AM Tue Feb 25 2025 24F 20F / 52% W 21 G 34 MPH 6200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 10 AM Tue Feb 25 2025 26F 20F / 61% W 20 G 31 MPH 6400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 11 AM Tue Feb 25 2025 29F 21F / 50% W 19 G 31 MPH 6300 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 25 12 PM Tue Feb 25 2025 29F 21F / 60% W 17 G 28 MPH 6200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 26 01 PM Tue Feb 25 2025 29F 20F / 68% W 18 G 28 MPH 6200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 27 02 PM Tue Feb 25 2025 29F 19F / 75% W 20 G 29 MPH 6200 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 28 03 PM Tue Feb 25 2025 27F 19F / 59% WSW 22 G 33 MPH 6300 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 29 04 PM Tue Feb 25 2025 26F 20F / 61% WSW 21 G 34 MPH 6200 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 30 05 PM Tue Feb 25 2025 24F 19F / 60% WSW 25 G 39 MPH 6100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 06 PM Tue Feb 25 2025 21F 15F / 90% W 21 G 33 MPH 5500 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 32 07 PM Tue Feb 25 2025 20F 14F / 97% W 25 G 39 MPH 5300 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 33 08 PM Tue Feb 25 2025 18F 13F / 91% WNW 27 G 38 MPH 4900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 34 09 PM Tue Feb 25 2025 16F 13F / 89% WNW 27 G 38 MPH 4600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 35 10 PM Tue Feb 25 2025 16F 12F / 92% WNW 30 G 41 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 36 11 PM Tue Feb 25 2025 15F 11F / 82% WNW 31 G 45 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 37 12 AM Wed Feb 26 2025 14F 11F / 73% WNW 32 G 47 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 38 01 AM Wed Feb 26 2025 12F 9F / 71% WNW 31 G 46 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 39 02 AM Wed Feb 26 2025 11F 9F / 73% WNW 30 G 45 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 40 03 AM Wed Feb 26 2025 11F 8F / 77% WNW 30 G 43 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 41 04 AM Wed Feb 26 2025 9F 7F / 80% WNW 28 G 39 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 42 05 AM Wed Feb 26 2025 9F 6F / 84% WNW 27 G 39 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 43 06 AM Wed Feb 26 2025 9F 6F / 85% WNW 27 G 39 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 44 07 AM Wed Feb 26 2025 9F 5F / 90% NW 27 G 39 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 45 08 AM Wed Feb 26 2025 9F 6F / 89% NW 25 G 36 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 46 09 AM Wed Feb 26 2025 13F 8F / 89% NW 23 G 32 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 47 10 AM Wed Feb 26 2025 15F 10F / 88% NW 19 G 29 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 48 11 AM Wed Feb 26 2025 17F 11F / 87% NNW 16 G 25 MPH 4300 FT 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0"