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 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 06 PM Sun May 25 2025 49F 43F / 24% WNW 14 G 22 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Sun May 25 2025 45F 40F / 23% WNW 15 G 22 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Sun May 25 2025 41F 38F / 65% W 12 G 17 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Sun May 25 2025 38F 36F / 74% WNW 11 G 15 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Sun May 25 2025 37F 36F / 61% NW 10 G 13 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Sun May 25 2025 39F 37F / 53% NW 10 G 15 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Mon May 26 2025 38F 36F / 47% NNE 9 G 12 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Mon May 26 2025 38F 36F / 52% E 8 G 13 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Mon May 26 2025 37F 36F / 59% ENE 8 G 10 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Mon May 26 2025 37F 36F / 55% NW 8 G 9 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Mon May 26 2025 37F 36F / 45% NW 11 G 14 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Mon May 26 2025 37F 36F / 48% NW 13 G 18 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Mon May 26 2025 37F 35F / 49% NW 13 G 17 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Mon May 26 2025 37F 35F / 50% NW 12 G 17 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Mon May 26 2025 39F 36F / 44% NNW 10 G 15 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Mon May 26 2025 40F 37F / 45% NW 11 G 14 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Mon May 26 2025 43F 38F / 54% NNW 7 G 11 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Mon May 26 2025 47F 39F / 59% E 6 G 10 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Mon May 26 2025 50F 41F / 56% NNW 6 G 10 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Mon May 26 2025 53F 43F / 44% NW 9 G 16 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Mon May 26 2025 55F 45F / 39% WNW 10 G 16 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Mon May 26 2025 56F 46F / 28% WNW 10 G 18 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Mon May 26 2025 56F 46F / 25% WNW 10 G 15 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Mon May 26 2025 57F 47F / 24% W 11 G 18 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Mon May 26 2025 54F 47F / 27% WNW 10 G 16 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Mon May 26 2025 51F 46F / 31% WNW 12 G 17 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Mon May 26 2025 47F 43F / 27% WNW 13 G 17 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Mon May 26 2025 44F 42F / 22% WNW 15 G 21 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Mon May 26 2025 43F 42F / 22% WNW 15 G 21 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Mon May 26 2025 43F 41F / 31% WNW 15 G 20 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Tue May 27 2025 43F 41F / 32% WSW 15 G 20 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Tue May 27 2025 42F 41F / 25% W 14 G 20 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Tue May 27 2025 42F 40F / 29% NNW 15 G 20 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Tue May 27 2025 42F 40F / 28% WNW 14 G 18 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Tue May 27 2025 42F 40F / 29% WNW 15 G 20 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Tue May 27 2025 42F 40F / 28% WNW 16 G 22 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Tue May 27 2025 42F 40F / 27% NW 15 G 19 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Tue May 27 2025 41F 41F / 29% NW 15 G 18 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Tue May 27 2025 42F 42F / 22% NNW 13 G 17 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Tue May 27 2025 44F 44F / 25% ESE 12 G 14 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Tue May 27 2025 47F 43F / 33% W 8 G 12 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Tue May 27 2025 51F 45F / 31% WSW 6 G 8 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Tue May 27 2025 55F 48F / 31% W 7 G 13 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Tue May 27 2025 58F 50F / 16% W 10 G 18 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Tue May 27 2025 59F 51F / 18% W 9 G 15 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Tue May 27 2025 59F 50F / 24% WNW 14 G 22 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Tue May 27 2025 59F 50F / 26% WNW 12 G 20 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Tue May 27 2025 60F 51F / 27% WNW 13 G 21 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Tue May 27 2025 57F 51F / 23% WNW 14 G 21 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"