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 12Z 25-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 AM Sun May 25 2025 37F 35F / 66% W 7 G 7 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Sun May 25 2025 37F 35F / 64% NNW 8 G 11 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Sun May 25 2025 38F 36F / 64% WNW 7 G 9 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Sun May 25 2025 39F 36F / 63% NNW 7 G 9 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Sun May 25 2025 42F 37F / 58% NNW 6 G 8 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Sun May 25 2025 46F 38F / 66% SSW 4 G 7 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Sun May 25 2025 47F 40F / 69% W 4 G 8 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Sun May 25 2025 48F 40F / 67% W 7 G 12 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Sun May 25 2025 46F 39F / 57% W 7 G 14 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Sun May 25 2025 51F 41F / 51% WNW 13 G 21 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Sun May 25 2025 51F 43F / 43% WNW 13 G 21 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Sun May 25 2025 48F 41F / 38% WNW 9 G 12 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Sun May 25 2025 48F 42F / 37% WNW 9 G 16 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Sun May 25 2025 46F 40F / 52% WNW 15 G 21 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Sun May 25 2025 41F 38F / 55% WNW 13 G 19 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Sun May 25 2025 36F 35F / 67% NW 14 G 19 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Sun May 25 2025 37F 36F / 46% W 12 G 18 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Sun May 25 2025 38F 37F / 47% NNW 12 G 16 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Mon May 26 2025 38F 36F / 48% N 11 G 15 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Mon May 26 2025 38F 37F / 39% N 11 G 17 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Mon May 26 2025 38F 36F / 47% NNW 10 G 16 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Mon May 26 2025 38F 36F / 49% NNW 11 G 16 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Mon May 26 2025 38F 36F / 47% NNW 12 G 16 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Mon May 26 2025 37F 35F / 51% NW 12 G 16 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Mon May 26 2025 37F 35F / 57% NW 12 G 17 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Mon May 26 2025 36F 34F / 55% NW 12 G 16 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Mon May 26 2025 38F 35F / 53% NW 11 G 15 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Mon May 26 2025 39F 36F / 56% NNW 10 G 13 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Mon May 26 2025 43F 37F / 55% NW 6 G 10 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Mon May 26 2025 47F 39F / 49% NNW 5 G 9 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Mon May 26 2025 51F 41F / 53% N 4 G 9 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Mon May 26 2025 53F 43F / 46% WNW 6 G 14 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Mon May 26 2025 56F 45F / 38% WNW 8 G 15 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Mon May 26 2025 57F 46F / 34% WNW 9 G 17 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Mon May 26 2025 57F 46F / 22% WNW 9 G 16 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Mon May 26 2025 57F 47F / 18% WNW 9 G 14 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Mon May 26 2025 53F 46F / 19% W 10 G 16 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Mon May 26 2025 53F 48F / 27% W 10 G 15 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Mon May 26 2025 48F 46F / 27% WNW 11 G 16 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Mon May 26 2025 45F 44F / 27% W 12 G 16 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Mon May 26 2025 44F 44F / 27% W 13 G 19 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Mon May 26 2025 44F 43F / 22% S 13 G 19 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Tue May 27 2025 44F 43F / 26% W 15 G 20 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Tue May 27 2025 42F 42F / 24% WSW 13 G 19 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Tue May 27 2025 43F 43F / 26% WNW 13 G 18 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Tue May 27 2025 42F 42F / 30% WNW 15 G 19 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Tue May 27 2025 43F 42F / 29% SSE 14 G 20 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Tue May 27 2025 42F 42F / 24% W 14 G 20 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Tue May 27 2025 41F 41F / 26% WSW 13 G 18 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"