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 02-Jun-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 Mon Jun 02 2025 49F 46F / 47% W 13 G 21 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Mon Jun 02 2025 48F 45F / 47% WNW 14 G 22 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Mon Jun 02 2025 47F 44F / 51% W 15 G 23 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Mon Jun 02 2025 46F 43F / 55% WNW 12 G 19 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Mon Jun 02 2025 46F 43F / 44% W 15 G 24 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Mon Jun 02 2025 47F 42F / 52% W 12 G 21 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Mon Jun 02 2025 46F 43F / 49% W 14 G 20 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Mon Jun 02 2025 45F 42F / 71% W 13 G 21 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Mon Jun 02 2025 46F 43F / 64% WSW 14 G 22 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Mon Jun 02 2025 45F 42F / 90% WSW 11 G 15 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Mon Jun 02 2025 47F 41F / 75% WSW 9 G 15 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Mon Jun 02 2025 51F 43F / 77% W 9 G 16 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Mon Jun 02 2025 53F 44F / 68% W 12 G 20 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Mon Jun 02 2025 55F 46F / 51% W 14 G 23 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Mon Jun 02 2025 56F 46F / 47% W 15 G 25 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Mon Jun 02 2025 56F 46F / 48% W 16 G 26 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Mon Jun 02 2025 56F 46F / 49% W 16 G 28 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Mon Jun 02 2025 56F 45F / 49% W 18 G 29 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Mon Jun 02 2025 52F 45F / 50% WNW 19 G 28 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Mon Jun 02 2025 50F 44F / 47% WNW 19 G 28 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Mon Jun 02 2025 46F 42F / 41% WNW 21 G 30 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Mon Jun 02 2025 43F 40F / 36% WNW 24 G 34 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Mon Jun 02 2025 42F 39F / 36% WNW 23 G 34 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Mon Jun 02 2025 41F 38F / 45% WNW 18 G 27 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Tue Jun 03 2025 39F 37F / 43% W 18 G 25 MPH 9600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Tue Jun 03 2025 38F 36F / 36% W 19 G 28 MPH 8800 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Tue Jun 03 2025 38F 35F / 25% WNW 19 G 29 MPH 8600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Tue Jun 03 2025 36F 33F / 22% W 19 G 29 MPH 8700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Tue Jun 03 2025 35F 33F / 29% W 20 G 30 MPH 8500 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Tue Jun 03 2025 34F 32F / 36% W 21 G 33 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Tue Jun 03 2025 33F 31F / 42% W 25 G 37 MPH 8800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Tue Jun 03 2025 33F 30F / 47% W 26 G 38 MPH 8900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Tue Jun 03 2025 34F 31F / 50% W 26 G 36 MPH 8700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Tue Jun 03 2025 36F 31F / 55% W 24 G 36 MPH 8300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Tue Jun 03 2025 37F 31F / 53% W 21 G 34 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Tue Jun 03 2025 40F 32F / 52% W 20 G 31 MPH 8700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Tue Jun 03 2025 44F 33F / 49% W 20 G 32 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Tue Jun 03 2025 48F 38F / 43% W 20 G 31 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Tue Jun 03 2025 49F 38F / 39% W 19 G 32 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Tue Jun 03 2025 49F 39F / 43% W 19 G 32 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Tue Jun 03 2025 49F 40F / 42% W 20 G 31 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Tue Jun 03 2025 50F 40F / 46% W 20 G 31 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Tue Jun 03 2025 47F 39F / 43% W 20 G 30 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Tue Jun 03 2025 44F 39F / 47% W 21 G 32 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Tue Jun 03 2025 42F 38F / 53% WNW 22 G 31 MPH 9400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Tue Jun 03 2025 39F 37F / 49% W 23 G 35 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Tue Jun 03 2025 37F 35F / 51% WNW 24 G 37 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Tue Jun 03 2025 36F 34F / 67% WNW 23 G 32 MPH 9000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Wed Jun 04 2025 35F 34F / 56% WNW 22 G 31 MPH 8700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0"