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 00Z 31-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 06 PM Fri May 30 2025 58F 52F / 30% WNW 13 G 21 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Fri May 30 2025 54F 51F / 43% WNW 14 G 19 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Fri May 30 2025 50F 47F / 60% WNW 12 G 17 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Fri May 30 2025 47F 46F / 45% W 11 G 16 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Fri May 30 2025 47F 47F / 34% WSW 10 G 12 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Fri May 30 2025 47F 47F / 26% WSW 10 G 12 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Sat May 31 2025 46F 46F / 25% SSW 10 G 12 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Sat May 31 2025 45F 45F / 33% S 9 G 10 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Sat May 31 2025 43F 44F / 50% W 11 G 14 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Sat May 31 2025 44F 44F / 61% WNW 14 G 18 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Sat May 31 2025 44F 43F / 59% E 14 G 21 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Sat May 31 2025 44F 43F / 65% NW 15 G 22 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Sat May 31 2025 43F 43F / 66% E 14 G 18 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Sat May 31 2025 44F 43F / 62% N 13 G 17 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Sat May 31 2025 45F 44F / 51% WNW 12 G 15 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Sat May 31 2025 46F 45F / 58% WNW 11 G 15 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Sat May 31 2025 50F 45F / 63% WNW 9 G 13 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Sat May 31 2025 53F 46F / 77% WNW 9 G 14 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Sat May 31 2025 57F 48F / 68% WNW 8 G 14 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Sat May 31 2025 60F 51F / 34% WNW 8 G 15 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Sat May 31 2025 63F 53F / 28% WNW 8 G 15 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Sat May 31 2025 64F 54F / 21% WNW 8 G 16 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Sat May 31 2025 63F 54F / 18% WNW 9 G 15 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Sat May 31 2025 64F 54F / 14% WNW 10 G 15 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Sat May 31 2025 60F 54F / 14% W 10 G 16 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Sat May 31 2025 57F 53F / 16% W 9 G 14 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Sat May 31 2025 54F 50F / 26% W 10 G 14 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Sat May 31 2025 50F 49F / 29% WSW 10 G 13 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Sat May 31 2025 50F 49F / 28% SW 11 G 15 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Sat May 31 2025 49F 49F / 30% SW 11 G 14 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Sun Jun 01 2025 50F 49F / 19% WSW 12 G 17 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Sun Jun 01 2025 49F 49F / 27% SW 11 G 17 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Sun Jun 01 2025 49F 48F / 29% WSW 12 G 16 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Sun Jun 01 2025 48F 47F / 25% W 12 G 14 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Sun Jun 01 2025 48F 47F / 25% WSW 13 G 16 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Sun Jun 01 2025 48F 47F / 15% WNW 15 G 22 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Sun Jun 01 2025 48F 47F / 21% NW 19 G 28 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Sun Jun 01 2025 48F 48F / 21% NW 18 G 25 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Sun Jun 01 2025 48F 49F / 21% NW 17 G 22 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Sun Jun 01 2025 51F 50F / 39% NW 16 G 22 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Sun Jun 01 2025 53F 49F / 46% WNW 12 G 18 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Sun Jun 01 2025 58F 50F / 36% WNW 8 G 15 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Sun Jun 01 2025 63F 54F / 18% WNW 7 G 14 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Sun Jun 01 2025 65F 57F / 10% WNW 7 G 15 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Sun Jun 01 2025 67F 57F / 14% W 9 G 16 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Sun Jun 01 2025 67F 59F / 15% WNW 10 G 19 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Sun Jun 01 2025 67F 58F / 7% W 10 G 20 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Sun Jun 01 2025 67F 58F / 10% WSW 8 G 14 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Sun Jun 01 2025 65F 57F / 15% SW 6 G 12 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"