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 27-Feb-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 05 AM Thu Feb 27 2025 20F 23F / 22% N 15 G 17 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 1 06 AM Thu Feb 27 2025 22F 25F / 18% N 16 G 20 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 07 AM Thu Feb 27 2025 22F 24F / 21% NNW 14 G 19 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 3 08 AM Thu Feb 27 2025 22F 24F / 20% N 15 G 19 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 4 09 AM Thu Feb 27 2025 24F 26F / 18% N 12 G 17 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 10 AM Thu Feb 27 2025 27F 27F / 14% NNE 10 G 14 MPH 4400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 11 AM Thu Feb 27 2025 33F 29F / 18% NE 8 G 12 MPH 4700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 12 PM Thu Feb 27 2025 35F 29F / 14% NNW 6 G 10 MPH 5000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 8 01 PM Thu Feb 27 2025 37F 31F / 19% NW 6 G 9 MPH 5300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 9 02 PM Thu Feb 27 2025 37F 31F / 21% NW 5 G 8 MPH 5700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 10 03 PM Thu Feb 27 2025 35F 31F / 19% NNW 4 G 8 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 11 04 PM Thu Feb 27 2025 34F 31F / 21% SSW 4 G 6 MPH 6100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 12 05 PM Thu Feb 27 2025 33F 31F / 20% WNW 5 G 8 MPH 6200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 13 06 PM Thu Feb 27 2025 31F 30F / 14% WNW 7 G 8 MPH 6200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 07 PM Thu Feb 27 2025 29F 29F / 17% W 8 G 10 MPH 6600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 08 PM Thu Feb 27 2025 28F 28F / 18% W 11 G 13 MPH 6400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 16 09 PM Thu Feb 27 2025 27F 27F / 20% W 10 G 13 MPH 6300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 17 10 PM Thu Feb 27 2025 26F 27F / 16% W 12 G 15 MPH 6100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 18 11 PM Thu Feb 27 2025 26F 27F / 17% WNW 12 G 16 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 19 12 AM Fri Feb 28 2025 26F 27F / 15% WNW 13 G 17 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 01 AM Fri Feb 28 2025 26F 27F / 16% WNW 14 G 19 MPH 5800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 02 AM Fri Feb 28 2025 26F 27F / 18% WNW 13 G 18 MPH 5500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 22 03 AM Fri Feb 28 2025 26F 27F / 16% WNW 16 G 20 MPH 5300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 23 04 AM Fri Feb 28 2025 25F 26F / 16% WNW 16 G 21 MPH 5100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 05 AM Fri Feb 28 2025 25F 26F / 18% NW 15 G 21 MPH 4600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 06 AM Fri Feb 28 2025 25F 26F / 16% NW 15 G 20 MPH 4600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 07 AM Fri Feb 28 2025 25F 26F / 19% NW 15 G 20 MPH 4600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 27 08 AM Fri Feb 28 2025 25F 27F / 18% NNW 14 G 19 MPH 4600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 28 09 AM Fri Feb 28 2025 27F 28F / 16% NNW 12 G 17 MPH 4700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 29 10 AM Fri Feb 28 2025 30F 29F / 13% N 11 G 16 MPH 4900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 30 11 AM Fri Feb 28 2025 36F 31F / 15% NNE 8 G 15 MPH 5400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 31 12 PM Fri Feb 28 2025 39F 33F / 18% NNE 8 G 15 MPH 5600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 32 01 PM Fri Feb 28 2025 41F 33F / 20% NNE 7 G 14 MPH 6100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 33 02 PM Fri Feb 28 2025 41F 33F / 21% NNE 7 G 14 MPH 6400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 34 03 PM Fri Feb 28 2025 38F 33F / 25% NNE 6 G 13 MPH 6200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 35 04 PM Fri Feb 28 2025 36F 32F / 27% NE 6 G 11 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 36 05 PM Fri Feb 28 2025 33F 32F / 22% NNE 7 G 11 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 37 06 PM Fri Feb 28 2025 31F 31F / 23% NNE 7 G 11 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 38 07 PM Fri Feb 28 2025 30F 30F / 23% NNE 8 G 11 MPH 7000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 39 08 PM Fri Feb 28 2025 28F 29F / 24% NNE 9 G 12 MPH 7000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 40 09 PM Fri Feb 28 2025 28F 29F / 26% NNW 10 G 14 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 41 10 PM Fri Feb 28 2025 27F 28F / 29% NE 10 G 11 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 42 11 PM Fri Feb 28 2025 27F 28F / 31% E 10 G 14 MPH 6600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 43 12 AM Sat Mar 01 2025 27F 29F / 33% SSE 11 G 14 MPH 6400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 44 01 AM Sat Mar 01 2025 29F 29F / 29% SSW 11 G 14 MPH 6300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 45 02 AM Sat Mar 01 2025 29F 30F / 28% S 11 G 16 MPH 6300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 46 03 AM Sat Mar 01 2025 30F 30F / 29% SW 13 G 17 MPH 6200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 47 04 AM Sat Mar 01 2025 29F 30F / 30% SW 12 G 17 MPH 5800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 48 05 AM Sat Mar 01 2025 29F 29F / 31% SSE 12 G 15 MPH 5700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0"