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 26-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 Mon May 26 2025 39F 36F / 58% NNE 9 G 12 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Mon May 26 2025 38F 36F / 52% NE 9 G 12 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Mon May 26 2025 38F 36F / 51% NE 9 G 11 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Mon May 26 2025 37F 35F / 52% N 8 G 11 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Mon May 26 2025 37F 35F / 49% NNW 10 G 12 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Mon May 26 2025 37F 35F / 53% NW 11 G 14 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Mon May 26 2025 36F 35F / 55% NW 11 G 13 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Mon May 26 2025 36F 34F / 59% NNW 11 G 15 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Mon May 26 2025 38F 36F / 57% NNW 11 G 15 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Mon May 26 2025 39F 37F / 57% NNW 12 G 15 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Mon May 26 2025 43F 37F / 57% NNW 7 G 10 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Mon May 26 2025 47F 38F / 58% NNW 6 G 11 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Mon May 26 2025 50F 41F / 59% NNW 6 G 11 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Mon May 26 2025 52F 43F / 51% NW 8 G 14 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Mon May 26 2025 55F 45F / 35% WNW 9 G 15 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Mon May 26 2025 56F 46F / 27% WNW 10 G 16 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Mon May 26 2025 57F 46F / 25% NNW 9 G 15 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Mon May 26 2025 56F 46F / 25% WNW 12 G 19 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Mon May 26 2025 53F 46F / 23% WNW 9 G 13 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Mon May 26 2025 51F 45F / 33% WNW 10 G 13 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Mon May 26 2025 47F 43F / 33% WNW 11 G 16 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Mon May 26 2025 44F 42F / 24% W 14 G 17 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Mon May 26 2025 43F 42F / 25% WNW 13 G 18 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Mon May 26 2025 43F 41F / 33% W 13 G 18 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Tue May 27 2025 43F 41F / 40% WNW 14 G 18 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Tue May 27 2025 42F 41F / 32% WNW 14 G 20 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Tue May 27 2025 43F 41F / 22% WNW 15 G 20 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Tue May 27 2025 43F 41F / 24% WNW 14 G 19 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Tue May 27 2025 42F 41F / 23% WNW 15 G 20 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Tue May 27 2025 42F 40F / 27% WNW 16 G 22 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Tue May 27 2025 41F 40F / 27% WNW 16 G 20 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Tue May 27 2025 41F 39F / 30% WNW 15 G 19 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Tue May 27 2025 42F 40F / 25% NW 14 G 17 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Tue May 27 2025 44F 41F / 36% W 13 G 16 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Tue May 27 2025 46F 41F / 42% WSW 10 G 14 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Tue May 27 2025 50F 43F / 39% W 9 G 15 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Tue May 27 2025 53F 45F / 38% WNW 9 G 16 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Tue May 27 2025 58F 50F / 20% W 11 G 18 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Tue May 27 2025 59F 51F / 17% W 9 G 18 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Tue May 27 2025 61F 53F / 23% WNW 10 G 17 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Tue May 27 2025 61F 52F / 23% WNW 15 G 23 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Tue May 27 2025 61F 50F / 21% WNW 18 G 29 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Tue May 27 2025 57F 50F / 16% W 18 G 27 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Tue May 27 2025 53F 49F / 26% WNW 18 G 27 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Tue May 27 2025 51F 47F / 37% WNW 17 G 23 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Tue May 27 2025 47F 46F / 30% WNW 14 G 23 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Tue May 27 2025 43F 42F / 63% WNW 17 G 24 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Tue May 27 2025 42F 42F / 69% NNW 17 G 24 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Wed May 28 2025 43F 42F / 56% WNW 16 G 22 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"