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 00Z 24-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 06 PM Mon Jun 23 2025 50F 44F / 26% SSW 5 G 11 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Mon Jun 23 2025 48F 43F / 32% S 5 G 13 MPH 9900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Mon Jun 23 2025 45F 41F / 30% S 8 G 14 MPH 10100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Mon Jun 23 2025 42F 41F / 26% SSE 10 G 18 MPH 10100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Mon Jun 23 2025 41F 40F / 26% ESE 8 G 14 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Mon Jun 23 2025 39F 39F / 28% SE 9 G 14 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Tue Jun 24 2025 39F 39F / 37% E 9 G 16 MPH 9900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Tue Jun 24 2025 38F 39F / 36% ESE 10 G 16 MPH 10100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Tue Jun 24 2025 39F 39F / 30% ESE 9 G 14 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Tue Jun 24 2025 40F 40F / 29% SE 11 G 18 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Tue Jun 24 2025 41F 41F / 23% SE 13 G 27 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Tue Jun 24 2025 43F 40F / 28% SE 18 G 33 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Tue Jun 24 2025 42F 40F / 29% SE 18 G 33 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Tue Jun 24 2025 42F 39F / 35% SE 16 G 32 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Tue Jun 24 2025 43F 39F / 38% SSE 15 G 28 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Tue Jun 24 2025 44F 40F / 38% SSE 13 G 24 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Tue Jun 24 2025 46F 41F / 36% S 11 G 22 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Tue Jun 24 2025 49F 42F / 32% S 10 G 22 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Tue Jun 24 2025 51F 42F / 33% SSW 9 G 18 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Tue Jun 24 2025 53F 43F / 37% S 10 G 22 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Tue Jun 24 2025 54F 44F / 34% SSW 11 G 23 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Tue Jun 24 2025 55F 45F / 26% SW 12 G 25 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Tue Jun 24 2025 55F 45F / 28% SW 13 G 26 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Tue Jun 24 2025 55F 46F / 21% SSW 15 G 30 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Tue Jun 24 2025 53F 46F / 29% WSW 9 G 19 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Tue Jun 24 2025 50F 45F / 29% WSW 10 G 18 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Tue Jun 24 2025 47F 42F / 32% W 14 G 20 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Tue Jun 24 2025 43F 41F / 38% W 13 G 19 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Tue Jun 24 2025 43F 41F / 30% W 13 G 18 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Tue Jun 24 2025 42F 40F / 33% W 12 G 17 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Wed Jun 25 2025 41F 40F / 32% W 13 G 17 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Wed Jun 25 2025 41F 40F / 26% W 15 G 22 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Wed Jun 25 2025 41F 40F / 29% WSW 15 G 19 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Wed Jun 25 2025 41F 40F / 33% WSW 15 G 21 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Wed Jun 25 2025 42F 40F / 25% WSW 16 G 24 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Wed Jun 25 2025 41F 40F / 24% W 15 G 22 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Wed Jun 25 2025 41F 39F / 27% W 14 G 21 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Wed Jun 25 2025 41F 41F / 30% W 14 G 19 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Wed Jun 25 2025 43F 43F / 25% WSW 13 G 18 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Wed Jun 25 2025 45F 44F / 29% W 12 G 19 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Wed Jun 25 2025 48F 44F / 33% W 10 G 15 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Wed Jun 25 2025 52F 45F / 21% WSW 8 G 15 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Wed Jun 25 2025 56F 48F / 17% WSW 8 G 16 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Wed Jun 25 2025 57F 49F / 19% W 9 G 18 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Wed Jun 25 2025 58F 49F / 24% W 10 G 18 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Wed Jun 25 2025 58F 50F / 27% W 11 G 19 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Wed Jun 25 2025 58F 50F / 27% W 11 G 20 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Wed Jun 25 2025 58F 50F / 28% W 13 G 20 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Wed Jun 25 2025 56F 50F / 26% W 13 G 20 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"