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 25-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 Mon Feb 24 2025 31F 29F / 60% SW 26 G 43 MPH 9000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 1 12 AM Tue Feb 25 2025 30F 28F / 66% SW 27 G 45 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 01 AM Tue Feb 25 2025 30F 28F / 59% WSW 28 G 47 MPH 8800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 3 02 AM Tue Feb 25 2025 30F 28F / 61% WSW 28 G 45 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 4 03 AM Tue Feb 25 2025 29F 25F / 60% W 28 G 44 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 04 AM Tue Feb 25 2025 27F 23F / 56% W 27 G 42 MPH 6900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 6 05 AM Tue Feb 25 2025 24F 22F / 44% W 31 G 47 MPH 6700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 7 06 AM Tue Feb 25 2025 22F 19F / 52% WNW 33 G 50 MPH 6300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 07 AM Tue Feb 25 2025 20F 17F / 52% WNW 30 G 41 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 9 08 AM Tue Feb 25 2025 19F 16F / 51% WNW 28 G 38 MPH 5700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 10 09 AM Tue Feb 25 2025 20F 16F / 65% WNW 28 G 42 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 10 AM Tue Feb 25 2025 22F 17F / 73% WNW 28 G 43 MPH 5600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 12 11 AM Tue Feb 25 2025 25F 16F / 68% W 29 G 44 MPH 5700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 13 12 PM Tue Feb 25 2025 25F 16F / 64% W 28 G 43 MPH 5700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 14 01 PM Tue Feb 25 2025 26F 16F / 62% W 27 G 40 MPH 5900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 02 PM Tue Feb 25 2025 26F 16F / 72% W 22 G 34 MPH 5900 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 16 03 PM Tue Feb 25 2025 25F 17F / 71% W 22 G 33 MPH 5600 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 17 04 PM Tue Feb 25 2025 24F 17F / 71% W 22 G 34 MPH 5500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 18 05 PM Tue Feb 25 2025 23F 17F / 70% W 23 G 36 MPH 5500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 19 06 PM Tue Feb 25 2025 20F 16F / 69% W 23 G 37 MPH 5500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 20 07 PM Tue Feb 25 2025 18F 15F / 69% W 25 G 38 MPH 5300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 21 08 PM Tue Feb 25 2025 19F 16F / 66% W 26 G 38 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 09 PM Tue Feb 25 2025 18F 15F / 67% W 26 G 37 MPH 5200 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 23 10 PM Tue Feb 25 2025 17F 14F / 70% W 25 G 36 MPH 5100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 11 PM Tue Feb 25 2025 17F 14F / 71% WNW 26 G 39 MPH 5000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 12 AM Wed Feb 26 2025 17F 14F / 69% WNW 29 G 42 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 26 01 AM Wed Feb 26 2025 16F 13F / 73% WNW 28 G 43 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 27 02 AM Wed Feb 26 2025 16F 13F / 69% WNW 30 G 45 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 28 03 AM Wed Feb 26 2025 14F 12F / 76% WNW 29 G 44 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 29 04 AM Wed Feb 26 2025 14F 11F / 74% WNW 28 G 43 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 05 AM Wed Feb 26 2025 13F 10F / 76% WNW 30 G 43 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 31 06 AM Wed Feb 26 2025 13F 10F / 71% WNW 30 G 42 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 32 07 AM Wed Feb 26 2025 12F 10F / 67% WNW 29 G 42 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 33 08 AM Wed Feb 26 2025 12F 10F / 63% WNW 29 G 41 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 34 09 AM Wed Feb 26 2025 15F 11F / 61% WNW 28 G 41 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 35 10 AM Wed Feb 26 2025 19F 13F / 59% WNW 27 G 38 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 36 11 AM Wed Feb 26 2025 22F 14F / 58% WNW 25 G 37 MPH 4300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 12 PM Wed Feb 26 2025 25F 16F / 60% WNW 24 G 36 MPH 4400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 38 01 PM Wed Feb 26 2025 26F 15F / 63% WNW 24 G 33 MPH 4500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 39 02 PM Wed Feb 26 2025 26F 16F / 69% WNW 23 G 33 MPH 4800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 40 03 PM Wed Feb 26 2025 25F 16F / 63% WNW 24 G 35 MPH 5100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 41 04 PM Wed Feb 26 2025 24F 18F / 60% NW 26 G 36 MPH 5200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 42 05 PM Wed Feb 26 2025 23F 19F / 57% NW 27 G 41 MPH 5300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 43 06 PM Wed Feb 26 2025 20F 18F / 57% SE 28 G 40 MPH 5300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 44 07 PM Wed Feb 26 2025 18F 18F / 53% NW 27 G 42 MPH 5100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 45 08 PM Wed Feb 26 2025 19F 18F / 44% NW 23 G 35 MPH 4900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 46 09 PM Wed Feb 26 2025 17F 18F / 48% NW 19 G 32 MPH 4900 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 47 10 PM Wed Feb 26 2025 18F 19F / 39% NNW 21 G 31 MPH 4900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 48 11 PM Wed Feb 26 2025 19F 20F / 38% NNW 17 G 25 MPH 4800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0"