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 18Z 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 12 PM Mon May 26 2025 50F 41F / 48% NNE 6 G 10 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 PM Mon May 26 2025 52F 42F / 34% NNW 8 G 12 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 PM Mon May 26 2025 55F 44F / 31% NW 8 G 13 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 PM Mon May 26 2025 56F 46F / 37% WNW 13 G 20 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 PM Mon May 26 2025 55F 46F / 39% WNW 10 G 16 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 PM Mon May 26 2025 56F 47F / 26% WNW 7 G 12 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 PM Mon May 26 2025 53F 47F / 23% N 8 G 12 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 PM Mon May 26 2025 50F 46F / 24% WNW 10 G 15 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 PM Mon May 26 2025 46F 43F / 40% WNW 11 G 16 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 PM Mon May 26 2025 44F 41F / 50% WNW 13 G 18 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 PM Mon May 26 2025 43F 41F / 47% S 12 G 16 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 PM Mon May 26 2025 43F 41F / 38% W 11 G 14 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 AM Tue May 27 2025 42F 41F / 44% W 11 G 15 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 AM Tue May 27 2025 42F 41F / 41% W 11 G 16 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 AM Tue May 27 2025 42F 41F / 36% W 11 G 14 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 AM Tue May 27 2025 42F 41F / 34% W 11 G 13 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 AM Tue May 27 2025 43F 40F / 31% W 13 G 16 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 AM Tue May 27 2025 42F 40F / 35% W 13 G 17 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 AM Tue May 27 2025 41F 39F / 34% W 12 G 16 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 AM Tue May 27 2025 41F 39F / 41% WNW 13 G 16 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 AM Tue May 27 2025 41F 40F / 38% W 12 G 16 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 AM Tue May 27 2025 43F 41F / 45% W 11 G 13 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 AM Tue May 27 2025 46F 41F / 46% WSW 8 G 11 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 AM Tue May 27 2025 51F 42F / 47% WSW 7 G 12 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 PM Tue May 27 2025 53F 44F / 39% WNW 10 G 17 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 PM Tue May 27 2025 55F 46F / 32% W 11 G 17 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 PM Tue May 27 2025 57F 48F / 26% WNW 10 G 18 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 PM Tue May 27 2025 58F 49F / 27% W 10 G 17 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 PM Tue May 27 2025 57F 47F / 29% WNW 16 G 27 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 PM Tue May 27 2025 57F 48F / 28% WNW 13 G 22 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 PM Tue May 27 2025 53F 47F / 21% WNW 13 G 20 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 PM Tue May 27 2025 51F 46F / 23% WNW 14 G 20 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 PM Tue May 27 2025 47F 43F / 27% WNW 13 G 18 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 PM Tue May 27 2025 45F 43F / 26% WNW 13 G 19 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 PM Tue May 27 2025 45F 43F / 28% WNW 11 G 18 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 PM Tue May 27 2025 43F 42F / 41% SW 11 G 16 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 AM Wed May 28 2025 41F 41F / 49% W 13 G 17 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 AM Wed May 28 2025 43F 43F / 36% W 15 G 21 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 AM Wed May 28 2025 43F 44F / 30% WNW 14 G 18 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 AM Wed May 28 2025 43F 43F / 22% W 14 G 17 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 AM Wed May 28 2025 44F 44F / 22% W 15 G 19 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 AM Wed May 28 2025 43F 43F / 26% W 14 G 18 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 AM Wed May 28 2025 43F 42F / 30% W 15 G 19 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 AM Wed May 28 2025 42F 42F / 37% W 14 G 17 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 AM Wed May 28 2025 43F 43F / 27% WNW 13 G 17 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 AM Wed May 28 2025 45F 45F / 31% W 13 G 18 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 AM Wed May 28 2025 48F 44F / 43% WNW 10 G 17 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 AM Wed May 28 2025 52F 45F / 41% WNW 10 G 15 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 PM Wed May 28 2025 55F 47F / 35% W 8 G 16 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"