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 23-Dec-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 11 PM Sun Dec 22 2024 28F 21F / 100% WNW 20 G 30 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 12 AM Mon Dec 23 2024 27F 22F / 100% WNW 21 G 32 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 01 AM Mon Dec 23 2024 26F 21F / 100% WNW 19 G 27 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 02 AM Mon Dec 23 2024 25F 21F / 95% WNW 19 G 28 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 03 AM Mon Dec 23 2024 25F 22F / 91% WNW 19 G 29 MPH 7900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 5 04 AM Mon Dec 23 2024 24F 21F / 94% WNW 19 G 29 MPH 7800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 6 05 AM Mon Dec 23 2024 25F 22F / 91% WNW 18 G 27 MPH 7800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 7 06 AM Mon Dec 23 2024 25F 22F / 90% WNW 18 G 28 MPH 7700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 8 07 AM Mon Dec 23 2024 25F 22F / 86% WNW 18 G 28 MPH 7700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 9 08 AM Mon Dec 23 2024 24F 21F / 95% W 17 G 27 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 09 AM Mon Dec 23 2024 24F 21F / 94% W 18 G 27 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 11 10 AM Mon Dec 23 2024 28F 22F / 99% W 17 G 28 MPH 7500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 12 11 AM Mon Dec 23 2024 30F 24F / 85% WNW 19 G 31 MPH 7500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 13 12 PM Mon Dec 23 2024 31F 24F / 92% WNW 17 G 29 MPH 8000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 14 01 PM Mon Dec 23 2024 31F 24F / 95% WNW 19 G 32 MPH 8000 FT 8:1 / 12% 0.01" / 0.1" 0.01" / 0.1" 15 02 PM Mon Dec 23 2024 32F 24F / 100% WNW 18 G 27 MPH 7700 FT 8:1 / 12% 0.00" / 0.0" 0.01" / 0.1" 16 03 PM Mon Dec 23 2024 31F 23F / 100% W 17 G 29 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.01" / 0.1" 17 04 PM Mon Dec 23 2024 29F 22F / 99% WNW 18 G 29 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.01" / 0.1" 18 05 PM Mon Dec 23 2024 27F 21F / 99% W 18 G 29 MPH 7600 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 19 06 PM Mon Dec 23 2024 26F 20F / 100% WNW 17 G 26 MPH 7600 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 20 07 PM Mon Dec 23 2024 23F 20F / 90% WNW 20 G 30 MPH 7600 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 21 08 PM Mon Dec 23 2024 22F 20F / 76% WNW 22 G 31 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.01" / 0.1" 22 09 PM Mon Dec 23 2024 22F 21F / 65% WNW 23 G 30 MPH 7400 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 23 10 PM Mon Dec 23 2024 24F 22F / 56% WNW 20 G 28 MPH 7400 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 24 11 PM Mon Dec 23 2024 24F 24F / 44% WNW 18 G 25 MPH 7500 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 25 12 AM Tue Dec 24 2024 25F 25F / 41% WNW 16 G 19 MPH 7300 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 26 01 AM Tue Dec 24 2024 26F 25F / 37% W 14 G 16 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 27 02 AM Tue Dec 24 2024 27F 25F / 38% W 14 G 18 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 28 03 AM Tue Dec 24 2024 27F 26F / 36% WSW 14 G 21 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 29 04 AM Tue Dec 24 2024 27F 26F / 41% SW 16 G 22 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 30 05 AM Tue Dec 24 2024 26F 26F / 44% SW 17 G 25 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 31 06 AM Tue Dec 24 2024 27F 27F / 43% SSW 18 G 29 MPH 7200 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 32 07 AM Tue Dec 24 2024 28F 27F / 36% SSW 20 G 32 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.01" / 0.1" 33 08 AM Tue Dec 24 2024 28F 28F / 37% SSW 21 G 35 MPH 7100 FT 7:1 / 14% 0.00" / 0.0" 0.01" / 0.1" 34 09 AM Tue Dec 24 2024 28F 28F / 42% S 22 G 38 MPH 7100 FT 7:1 / 14% 0.00" / 0.0" 0.01" / 0.1" 35 10 AM Tue Dec 24 2024 27F 28F / 43% S 21 G 39 MPH 7200 FT 7:1 / 14% 0.00" / 0.0" 0.01" / 0.1" 36 11 AM Tue Dec 24 2024 30F 30F / 41% S 20 G 40 MPH 7500 FT 7:1 / 14% 0.00" / 0.0" 0.01" / 0.1" 37 12 PM Tue Dec 24 2024 33F 27F / 47% S 21 G 41 MPH 7700 FT 7:1 / 14% 0.00" / 0.0" 0.01" / 0.1" 38 01 PM Tue Dec 24 2024 33F 27F / 53% S 20 G 42 MPH 7700 FT 7:1 / 14% 0.00" / 0.0" 0.01" / 0.1" 39 02 PM Tue Dec 24 2024 34F 27F / 58% S 19 G 41 MPH 7900 FT 7:1 / 14% 0.00" / 0.0" 0.01" / 0.1" 40 03 PM Tue Dec 24 2024 33F 27F / 62% S 19 G 43 MPH 8100 FT 7:1 / 14% 0.00" / 0.0" 0.01" / 0.1" 41 04 PM Tue Dec 24 2024 32F 26F / 63% S 21 G 44 MPH 8200 FT 7:1 / 14% 0.00" / 0.0" 0.01" / 0.1" 42 05 PM Tue Dec 24 2024 30F 26F / 66% S 20 G 42 MPH 8500 FT 7:1 / 14% 0.00" / 0.0" 0.01" / 0.1" 43 06 PM Tue Dec 24 2024 29F 25F / 70% S 18 G 39 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.01" / 0.1" 44 07 PM Tue Dec 24 2024 27F 24F / 68% S 18 G 39 MPH 8400 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 45 08 PM Tue Dec 24 2024 27F 22F / 76% S 19 G 41 MPH 8200 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 46 09 PM Tue Dec 24 2024 28F 23F / 76% S 17 G 34 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.01" / 0.1" 47 10 PM Tue Dec 24 2024 27F 22F / 94% S 12 G 29 MPH 6900 FT 12:1 / 8% 0.04" / 0.5" 0.05" / 0.6" 48 11 PM Tue Dec 24 2024 27F 21F / 86% SSE 13 G 30 MPH 6300 FT 10:1 / 10% 0.10" / 1.0" 0.15" / 1.6"