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 08-May-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 12 AM Thu May 08 2025 35F 32F / 66% SSW 9 G 13 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Thu May 08 2025 35F 33F / 63% WSW 10 G 14 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Thu May 08 2025 34F 32F / 69% WSW 11 G 15 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Thu May 08 2025 34F 32F / 67% WSW 11 G 17 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Thu May 08 2025 34F 32F / 57% W 12 G 17 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Thu May 08 2025 34F 32F / 61% W 12 G 17 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Thu May 08 2025 33F 32F / 59% W 13 G 17 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Thu May 08 2025 33F 32F / 64% W 12 G 16 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Thu May 08 2025 34F 32F / 66% W 12 G 16 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Thu May 08 2025 36F 33F / 69% W 12 G 16 MPH 9900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Thu May 08 2025 39F 34F / 73% WNW 10 G 15 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Thu May 08 2025 42F 35F / 89% WNW 8 G 13 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Thu May 08 2025 45F 37F / 82% WNW 9 G 14 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Thu May 08 2025 47F 38F / 71% NW 8 G 13 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Thu May 08 2025 48F 39F / 66% WNW 9 G 15 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Thu May 08 2025 49F 40F / 68% WNW 10 G 16 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Thu May 08 2025 50F 40F / 60% WNW 10 G 17 MPH 10000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Thu May 08 2025 48F 40F / 51% WNW 11 G 18 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Thu May 08 2025 46F 40F / 46% WNW 11 G 17 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Thu May 08 2025 44F 39F / 48% WNW 11 G 16 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Thu May 08 2025 41F 38F / 51% W 12 G 16 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Thu May 08 2025 39F 38F / 54% WNW 13 G 16 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Thu May 08 2025 39F 37F / 50% WNW 14 G 16 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Thu May 08 2025 38F 37F / 51% WNW 14 G 18 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Fri May 09 2025 38F 37F / 53% WNW 14 G 18 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Fri May 09 2025 38F 36F / 50% WNW 15 G 19 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Fri May 09 2025 38F 37F / 44% WNW 15 G 19 MPH 10300 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Fri May 09 2025 37F 36F / 37% WNW 15 G 20 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Fri May 09 2025 36F 36F / 45% NNE 15 G 20 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Fri May 09 2025 37F 36F / 41% NW 13 G 22 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Fri May 09 2025 36F 36F / 38% NNW 17 G 24 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Fri May 09 2025 36F 35F / 41% NNW 19 G 25 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Fri May 09 2025 37F 36F / 36% NNW 18 G 25 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Fri May 09 2025 38F 37F / 42% N 16 G 23 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Fri May 09 2025 41F 37F / 35% N 14 G 22 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Fri May 09 2025 45F 38F / 25% N 12 G 19 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Fri May 09 2025 48F 40F / 37% NW 11 G 18 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Fri May 09 2025 52F 44F / 28% WNW 10 G 16 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Fri May 09 2025 53F 44F / 36% WNW 11 G 16 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Fri May 09 2025 55F 46F / 35% WNW 12 G 18 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Fri May 09 2025 55F 46F / 39% WNW 11 G 17 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Fri May 09 2025 54F 46F / 41% WNW 11 G 18 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Fri May 09 2025 50F 46F / 41% WNW 12 G 18 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Fri May 09 2025 48F 45F / 59% WNW 12 G 18 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Fri May 09 2025 44F 43F / 47% WNW 12 G 15 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Fri May 09 2025 42F 42F / 44% W 12 G 15 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Fri May 09 2025 42F 42F / 36% WNW 12 G 17 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Fri May 09 2025 41F 43F / 35% W 12 G 14 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Sat May 10 2025 42F 43F / 27% SW 12 G 16 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"