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 11-Nov-2024 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 Nov 11 2024 31F 31F / 39% SSW 21 G 34 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 06 AM Mon Nov 11 2024 30F 31F / 40% SSW 19 G 31 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 07 AM Mon Nov 11 2024 31F 31F / 39% SSW 20 G 33 MPH 8100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 3 08 AM Mon Nov 11 2024 31F 31F / 37% S 21 G 37 MPH 7900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 4 09 AM Mon Nov 11 2024 31F 31F / 38% S 22 G 41 MPH 8000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 5 10 AM Mon Nov 11 2024 33F 31F / 37% S 22 G 41 MPH 8000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 6 11 AM Mon Nov 11 2024 35F 32F / 36% S 21 G 41 MPH 8000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 7 12 PM Mon Nov 11 2024 37F 31F / 34% S 22 G 41 MPH 8000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 8 01 PM Mon Nov 11 2024 38F 31F / 38% S 19 G 41 MPH 8000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 9 02 PM Mon Nov 11 2024 38F 32F / 33% S 19 G 42 MPH 8100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 10 03 PM Mon Nov 11 2024 35F 31F / 33% S 18 G 40 MPH 8200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 11 04 PM Mon Nov 11 2024 34F 30F / 38% S 18 G 40 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 12 05 PM Mon Nov 11 2024 32F 30F / 36% S 17 G 37 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 13 06 PM Mon Nov 11 2024 30F 29F / 42% S 17 G 36 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 14 07 PM Mon Nov 11 2024 30F 28F / 51% S 18 G 36 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 15 08 PM Mon Nov 11 2024 30F 26F / 55% S 19 G 39 MPH 8200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 16 09 PM Mon Nov 11 2024 29F 25F / 58% S 19 G 39 MPH 7800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 17 10 PM Mon Nov 11 2024 28F 24F / 56% S 19 G 40 MPH 7700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 18 11 PM Mon Nov 11 2024 28F 24F / 58% S 20 G 43 MPH 7400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 12 AM Tue Nov 12 2024 27F 23F / 57% SSW 24 G 48 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 01 AM Tue Nov 12 2024 27F 22F / 57% SSW 24 G 48 MPH 6900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 21 02 AM Tue Nov 12 2024 26F 21F / 62% SSW 22 G 44 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 03 AM Tue Nov 12 2024 24F 19F / 65% SSW 19 G 38 MPH 6600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 23 04 AM Tue Nov 12 2024 22F 17F / 83% SSW 16 G 31 MPH 6400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 05 AM Tue Nov 12 2024 22F 16F / 86% SSW 16 G 29 MPH 6300 FT 12:1 / 8% 0.02" / 0.2" 0.02" / 0.2" 25 06 AM Tue Nov 12 2024 21F 15F / 91% SSW 11 G 22 MPH 6000 FT 14:1 / 7% 0.02" / 0.3" 0.04" / 0.5" 26 07 AM Tue Nov 12 2024 20F 15F / 92% SSW 12 G 23 MPH 5500 FT 11:1 / 9% 0.02" / 0.2" 0.06" / 0.7" 27 08 AM Tue Nov 12 2024 20F 15F / 96% WSW 10 G 17 MPH 5100 FT 13:1 / 8% 0.02" / 0.3" 0.08" / 1.0" 28 09 AM Tue Nov 12 2024 19F 13F / 94% WNW 19 G 30 MPH 5000 FT 13:1 / 8% 0.04" / 0.5" 0.12" / 1.5" 29 10 AM Tue Nov 12 2024 19F 13F / 91% WNW 23 G 38 MPH 5000 FT 14:1 / 7% 0.06" / 0.8" 0.18" / 2.3" 30 11 AM Tue Nov 12 2024 20F 14F / 92% WNW 22 G 36 MPH 5100 FT 15:1 / 7% 0.04" / 0.6" 0.22" / 2.9" 31 12 PM Tue Nov 12 2024 21F 14F / 99% WNW 23 G 35 MPH 5300 FT 15:1 / 7% 0.02" / 0.3" 0.24" / 3.2" 32 01 PM Tue Nov 12 2024 20F 12F / 96% WNW 24 G 35 MPH 5300 FT 15:1 / 7% 0.01" / 0.2" 0.25" / 3.4" 33 02 PM Tue Nov 12 2024 22F 12F / 92% WNW 24 G 38 MPH 5200 FT 16:1 / 6% 0.00" / 0.0" 0.25" / 3.4" 34 03 PM Tue Nov 12 2024 20F 11F / 96% WNW 24 G 35 MPH 5300 FT 15:1 / 7% 0.00" / 0.0" 0.25" / 3.4" 35 04 PM Tue Nov 12 2024 19F 10F / 93% WNW 22 G 36 MPH 5300 FT 15:1 / 7% 0.00" / 0.0" 0.25" / 3.4" 36 05 PM Tue Nov 12 2024 18F 10F / 99% WNW 23 G 37 MPH 5200 FT 18:1 / 6% 0.00" / 0.0" 0.25" / 3.4" 37 06 PM Tue Nov 12 2024 17F 11F / 95% WNW 22 G 32 MPH 5400 FT 23:1 / 4% 0.00" / 0.0" 0.25" / 3.4" 38 07 PM Tue Nov 12 2024 17F 11F / 97% WNW 22 G 32 MPH 5100 FT 23:1 / 4% 0.00" / 0.0" 0.25" / 3.4" 39 08 PM Tue Nov 12 2024 16F 13F / 90% WNW 24 G 35 MPH 5200 FT 18:1 / 6% 0.00" / 0.0" 0.25" / 3.4" 40 09 PM Tue Nov 12 2024 12F 11F / 83% WNW 23 G 34 MPH 5200 FT 12:1 / 8% 0.00" / 0.0" 0.25" / 3.4" 41 10 PM Tue Nov 12 2024 15F 12F / 88% WNW 24 G 34 MPH 4800 FT 10:1 / 10% 0.00" / 0.0" 0.25" / 3.4" 42 11 PM Tue Nov 12 2024 15F 14F / 77% WNW 23 G 33 MPH 4600 FT 9:1 / 11% 0.00" / 0.0" 0.25" / 3.4" 43 12 AM Wed Nov 13 2024 18F 17F / 67% WNW 22 G 31 MPH 4500 FT 8:1 / 12% 0.00" / 0.0" 0.25" / 3.4" 44 01 AM Wed Nov 13 2024 18F 17F / 61% WNW 21 G 31 MPH 4500 FT 9:1 / 11% 0.00" / 0.0" 0.25" / 3.4" 45 02 AM Wed Nov 13 2024 18F 17F / 61% W 21 G 28 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.25" / 3.4" 46 03 AM Wed Nov 13 2024 19F 18F / 59% W 20 G 28 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.25" / 3.4" 47 04 AM Wed Nov 13 2024 20F 19F / 55% W 20 G 26 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.25" / 3.4" 48 05 AM Wed Nov 13 2024 20F 19F / 51% WSW 18 G 26 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.25" / 3.4"