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 24-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 Sat May 24 2025 37F 36F / 44% ENE 16 G 23 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Sat May 24 2025 37F 35F / 57% NNE 22 G 34 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Sat May 24 2025 38F 36F / 52% NNE 15 G 21 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Sat May 24 2025 40F 38F / 45% ESE 11 G 17 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Sat May 24 2025 43F 38F / 43% E 12 G 22 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Sat May 24 2025 47F 40F / 51% ESE 9 G 18 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Sat May 24 2025 51F 42F / 54% SE 5 G 10 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Sat May 24 2025 52F 43F / 63% WNW 5 G 11 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Sat May 24 2025 54F 44F / 49% W 8 G 17 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Sat May 24 2025 54F 44F / 43% WNW 10 G 19 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Sat May 24 2025 54F 45F / 40% WNW 11 G 19 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Sat May 24 2025 54F 45F / 37% WNW 11 G 18 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Sat May 24 2025 50F 43F / 27% W 10 G 21 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Sat May 24 2025 48F 42F / 29% SW 10 G 17 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Sat May 24 2025 44F 41F / 38% W 11 G 16 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Sat May 24 2025 41F 39F / 51% WNW 12 G 18 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Sat May 24 2025 41F 38F / 50% NW 15 G 23 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Sat May 24 2025 41F 38F / 52% N 19 G 31 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Sun May 25 2025 39F 38F / 55% NNW 15 G 24 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Sun May 25 2025 38F 36F / 66% SE 15 G 27 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Sun May 25 2025 39F 38F / 48% E 15 G 22 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Sun May 25 2025 38F 37F / 55% ESE 14 G 18 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Sun May 25 2025 38F 37F / 49% S 12 G 14 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Sun May 25 2025 38F 36F / 46% SW 11 G 16 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Sun May 25 2025 37F 36F / 53% W 13 G 16 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Sun May 25 2025 38F 36F / 49% W 11 G 14 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Sun May 25 2025 39F 36F / 56% WSW 10 G 14 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Sun May 25 2025 40F 37F / 60% WSW 11 G 13 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Sun May 25 2025 43F 37F / 55% WSW 7 G 13 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Sun May 25 2025 46F 39F / 60% SW 6 G 11 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Sun May 25 2025 48F 41F / 60% WNW 5 G 11 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Sun May 25 2025 50F 42F / 58% WNW 8 G 15 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Sun May 25 2025 53F 43F / 51% WNW 13 G 20 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Sun May 25 2025 51F 41F / 46% WNW 14 G 23 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Sun May 25 2025 37F 35F / 75% W 14 G 19 MPH 11100 FT 0:1 / -% 0.01" / 0.0" 0.01" / 0.0" 35 05 PM Sun May 25 2025 36F 32F / 97% NW 14 G 21 MPH 11000 FT 0:1 / -% 0.06" / 0.0" 0.07" / 0.0" 36 06 PM Sun May 25 2025 38F 34F / 89% WNW 11 G 18 MPH 10700 FT 0:1 / -% 0.05" / 0.0" 0.12" / 0.0" 37 07 PM Sun May 25 2025 42F 37F / 77% NNW 7 G 13 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.12" / 0.0" 38 08 PM Sun May 25 2025 39F 37F / 81% N 10 G 15 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.12" / 0.0" 39 09 PM Sun May 25 2025 37F 36F / 61% NW 8 G 13 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.12" / 0.0" 40 10 PM Sun May 25 2025 38F 37F / 62% NNW 12 G 18 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.12" / 0.0" 41 11 PM Sun May 25 2025 39F 37F / 52% NE 12 G 17 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.12" / 0.0" 42 12 AM Mon May 26 2025 38F 36F / 60% NNE 12 G 17 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.12" / 0.0" 43 01 AM Mon May 26 2025 36F 35F / 69% NNW 12 G 17 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.12" / 0.0" 44 02 AM Mon May 26 2025 37F 35F / 71% NW 11 G 14 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.12" / 0.0" 45 03 AM Mon May 26 2025 36F 35F / 63% NW 10 G 14 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.12" / 0.0" 46 04 AM Mon May 26 2025 36F 34F / 65% WNW 12 G 16 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.12" / 0.0" 47 05 AM Mon May 26 2025 36F 34F / 65% WNW 10 G 16 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.12" / 0.0" 48 06 AM Mon May 26 2025 36F 35F / 60% WNW 13 G 17 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.12" / 0.0"