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 08-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 Thu May 08 2025 34F 32F / 56% NW 13 G 17 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Thu May 08 2025 34F 33F / 52% WNW 12 G 16 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Thu May 08 2025 35F 32F / 56% WNW 11 G 14 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Thu May 08 2025 37F 34F / 56% WNW 10 G 13 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Thu May 08 2025 39F 34F / 73% WNW 10 G 13 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Thu May 08 2025 43F 35F / 85% WNW 8 G 12 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Thu May 08 2025 45F 37F / 73% WNW 8 G 13 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Thu May 08 2025 46F 38F / 74% WNW 9 G 15 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Thu May 08 2025 49F 39F / 61% WNW 9 G 17 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Thu May 08 2025 50F 40F / 63% WNW 10 G 17 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Thu May 08 2025 49F 40F / 50% WNW 11 G 17 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Thu May 08 2025 49F 41F / 51% WNW 11 G 17 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Thu May 08 2025 46F 41F / 59% WNW 10 G 15 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Thu May 08 2025 44F 39F / 59% WNW 11 G 14 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Thu May 08 2025 41F 38F / 59% WNW 11 G 15 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Thu May 08 2025 39F 37F / 60% W 12 G 15 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Thu May 08 2025 39F 37F / 57% W 12 G 14 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Thu May 08 2025 38F 37F / 57% W 12 G 14 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Fri May 09 2025 39F 37F / 60% W 13 G 17 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Fri May 09 2025 38F 36F / 59% W 15 G 19 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Fri May 09 2025 38F 36F / 55% WNW 14 G 19 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Fri May 09 2025 37F 36F / 53% WNW 15 G 19 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Fri May 09 2025 36F 36F / 52% NW 16 G 21 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Fri May 09 2025 37F 36F / 40% NW 17 G 22 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Fri May 09 2025 37F 36F / 43% NNW 18 G 25 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Fri May 09 2025 36F 35F / 41% NNW 18 G 25 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Fri May 09 2025 37F 36F / 42% N 17 G 22 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Fri May 09 2025 38F 36F / 52% NNE 15 G 22 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Fri May 09 2025 41F 37F / 48% ENE 12 G 20 MPH 10300 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Fri May 09 2025 45F 39F / 42% N 12 G 19 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Fri May 09 2025 48F 40F / 42% NNW 10 G 15 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Fri May 09 2025 51F 41F / 43% NW 9 G 14 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Fri May 09 2025 54F 44F / 40% NNW 10 G 17 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Fri May 09 2025 55F 44F / 40% NW 11 G 18 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Fri May 09 2025 54F 45F / 39% WNW 9 G 17 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Fri May 09 2025 54F 45F / 37% NW 11 G 17 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Fri May 09 2025 49F 45F / 34% WNW 10 G 16 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Fri May 09 2025 48F 46F / 60% WNW 11 G 19 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Fri May 09 2025 45F 44F / 46% WNW 12 G 17 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Fri May 09 2025 42F 42F / 42% W 11 G 14 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Fri May 09 2025 42F 43F / 35% WNW 12 G 16 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Fri May 09 2025 42F 42F / 35% W 11 G 15 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Sat May 10 2025 43F 43F / 35% W 13 G 16 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Sat May 10 2025 42F 43F / 35% W 12 G 15 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Sat May 10 2025 44F 43F / 25% W 11 G 13 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Sat May 10 2025 42F 43F / 25% SW 13 G 16 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Sat May 10 2025 43F 44F / 19% SSW 13 G 17 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Sat May 10 2025 43F 44F / 12% WSW 14 G 17 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Sat May 10 2025 42F 44F / 14% W 14 G 16 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"