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 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 12 AM Sun May 25 2025 40F 38F / 48% SE 8 G 11 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Sun May 25 2025 39F 37F / 51% SSW 8 G 12 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Sun May 25 2025 39F 37F / 49% WNW 9 G 12 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Sun May 25 2025 38F 36F / 51% WSW 10 G 15 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Sun May 25 2025 38F 36F / 50% NNW 11 G 17 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Sun May 25 2025 36F 35F / 60% NE 9 G 15 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Sun May 25 2025 37F 35F / 64% ENE 11 G 16 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Sun May 25 2025 36F 35F / 65% N 10 G 14 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Sun May 25 2025 37F 35F / 57% WNW 9 G 13 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Sun May 25 2025 39F 36F / 58% ESE 8 G 11 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Sun May 25 2025 42F 36F / 86% NNW 6 G 10 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Sun May 25 2025 45F 38F / 57% W 6 G 12 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Sun May 25 2025 48F 40F / 61% NW 6 G 11 MPH 10300 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Sun May 25 2025 50F 41F / 51% WNW 9 G 15 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Sun May 25 2025 52F 42F / 45% WNW 11 G 18 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Sun May 25 2025 53F 43F / 44% WNW 14 G 21 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Sun May 25 2025 53F 43F / 35% WNW 13 G 21 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Sun May 25 2025 53F 43F / 28% WNW 12 G 20 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Sun May 25 2025 49F 42F / 27% WNW 13 G 20 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Sun May 25 2025 46F 40F / 56% WNW 14 G 21 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Sun May 25 2025 42F 38F / 53% WNW 15 G 21 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Sun May 25 2025 39F 37F / 52% NW 16 G 21 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Sun May 25 2025 39F 37F / 45% NW 13 G 19 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Sun May 25 2025 39F 37F / 52% NW 13 G 17 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Mon May 26 2025 39F 36F / 47% NNW 15 G 18 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Mon May 26 2025 39F 36F / 52% NE 12 G 18 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Mon May 26 2025 38F 36F / 46% NNW 11 G 13 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Mon May 26 2025 37F 36F / 42% NW 12 G 16 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Mon May 26 2025 37F 36F / 45% NW 14 G 18 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Mon May 26 2025 37F 36F / 49% NW 13 G 19 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Mon May 26 2025 37F 35F / 48% NW 13 G 17 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Mon May 26 2025 37F 35F / 50% NW 13 G 16 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Mon May 26 2025 39F 36F / 47% NNW 11 G 15 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Mon May 26 2025 40F 37F / 57% NNW 10 G 15 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Mon May 26 2025 43F 37F / 65% NNW 8 G 13 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Mon May 26 2025 47F 39F / 52% N 6 G 11 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Mon May 26 2025 50F 42F / 51% NNW 7 G 11 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Mon May 26 2025 54F 46F / 40% WNW 8 G 14 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Mon May 26 2025 56F 47F / 38% WNW 9 G 15 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Mon May 26 2025 58F 49F / 30% WNW 11 G 18 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Mon May 26 2025 59F 50F / 23% WNW 11 G 17 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Mon May 26 2025 60F 49F / 20% WNW 11 G 18 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Mon May 26 2025 56F 48F / 30% W 13 G 19 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Mon May 26 2025 53F 48F / 22% W 13 G 18 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Mon May 26 2025 49F 47F / 27% W 15 G 21 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Mon May 26 2025 45F 44F / 29% W 15 G 24 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Mon May 26 2025 44F 44F / 21% SW 15 G 22 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Mon May 26 2025 43F 43F / 33% WNW 16 G 23 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Tue May 27 2025 44F 43F / 25% S 15 G 23 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"