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 06-Jun-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 Fri Jun 06 2025 39F 36F / 41% WSW 16 G 22 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Fri Jun 06 2025 37F 35F / 47% WSW 14 G 20 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Fri Jun 06 2025 37F 35F / 59% WSW 12 G 17 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Fri Jun 06 2025 37F 35F / 67% WSW 12 G 18 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Fri Jun 06 2025 37F 35F / 62% WSW 14 G 23 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Fri Jun 06 2025 38F 34F / 64% WSW 14 G 22 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Fri Jun 06 2025 37F 34F / 65% WSW 15 G 23 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Fri Jun 06 2025 37F 35F / 68% WSW 15 G 24 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Fri Jun 06 2025 39F 36F / 68% WSW 16 G 23 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Fri Jun 06 2025 39F 35F / 79% WSW 11 G 17 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Fri Jun 06 2025 42F 36F / 77% WSW 12 G 17 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Fri Jun 06 2025 46F 37F / 74% WSW 11 G 20 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Fri Jun 06 2025 49F 39F / 69% W 14 G 21 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Fri Jun 06 2025 50F 41F / 64% W 13 G 21 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Fri Jun 06 2025 52F 42F / 51% WNW 14 G 24 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Fri Jun 06 2025 54F 44F / 39% WNW 16 G 25 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Fri Jun 06 2025 54F 44F / 40% WNW 16 G 26 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Fri Jun 06 2025 54F 44F / 43% WNW 16 G 26 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Fri Jun 06 2025 51F 44F / 49% WNW 16 G 24 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Fri Jun 06 2025 48F 43F / 51% W 14 G 22 MPH 10200 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Fri Jun 06 2025 45F 41F / 41% W 16 G 22 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Fri Jun 06 2025 41F 40F / 33% W 18 G 24 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Fri Jun 06 2025 41F 40F / 27% WNW 17 G 24 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Fri Jun 06 2025 41F 40F / 30% WNW 19 G 26 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Sat Jun 07 2025 42F 40F / 32% WNW 21 G 30 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Sat Jun 07 2025 42F 40F / 37% WNW 23 G 32 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Sat Jun 07 2025 42F 40F / 43% WNW 21 G 29 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Sat Jun 07 2025 41F 40F / 40% WNW 20 G 28 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Sat Jun 07 2025 41F 39F / 39% WNW 22 G 30 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Sat Jun 07 2025 41F 39F / 40% W 22 G 32 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Sat Jun 07 2025 41F 39F / 41% W 21 G 31 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Sat Jun 07 2025 40F 38F / 47% W 21 G 29 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Sat Jun 07 2025 41F 39F / 47% W 21 G 29 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Sat Jun 07 2025 43F 39F / 55% W 22 G 30 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Sat Jun 07 2025 45F 40F / 53% W 17 G 25 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Sat Jun 07 2025 49F 41F / 43% WNW 17 G 27 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Sat Jun 07 2025 52F 44F / 36% W 16 G 25 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Sat Jun 07 2025 57F 49F / 27% W 16 G 25 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Sat Jun 07 2025 58F 48F / 23% W 15 G 26 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Sat Jun 07 2025 59F 50F / 27% WNW 17 G 26 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Sat Jun 07 2025 60F 51F / 28% WNW 17 G 28 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Sat Jun 07 2025 60F 51F / 32% WNW 18 G 29 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Sat Jun 07 2025 57F 50F / 31% WNW 17 G 26 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Sat Jun 07 2025 54F 50F / 38% WNW 18 G 25 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Sat Jun 07 2025 51F 49F / 39% WNW 19 G 26 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Sat Jun 07 2025 47F 47F / 45% WNW 18 G 27 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Sat Jun 07 2025 46F 46F / 41% WNW 19 G 28 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Sat Jun 07 2025 45F 45F / 52% NW 20 G 27 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Sun Jun 08 2025 45F 45F / 52% NW 21 G 29 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"