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 23-Mar-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 Sun Mar 23 2025 28F 21F / 85% WNW 23 G 35 MPH 6600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 01 PM Sun Mar 23 2025 30F 22F / 86% WNW 21 G 32 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 02 PM Sun Mar 23 2025 31F 22F / 91% WNW 19 G 29 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 03 PM Sun Mar 23 2025 32F 22F / 96% WNW 20 G 30 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 04 PM Sun Mar 23 2025 31F 23F / 91% WNW 22 G 33 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 05 PM Sun Mar 23 2025 30F 23F / 87% WNW 22 G 32 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 06 PM Sun Mar 23 2025 29F 24F / 85% WNW 23 G 34 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 07 PM Sun Mar 23 2025 28F 24F / 78% WNW 25 G 36 MPH 7700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 8 08 PM Sun Mar 23 2025 26F 23F / 73% WNW 26 G 37 MPH 7900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 9 09 PM Sun Mar 23 2025 25F 23F / 73% WNW 25 G 36 MPH 8200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 10 10 PM Sun Mar 23 2025 25F 23F / 77% WNW 24 G 33 MPH 8400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 11 11 PM Sun Mar 23 2025 26F 23F / 79% WNW 25 G 37 MPH 8300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 12 12 AM Mon Mar 24 2025 27F 24F / 78% WNW 27 G 39 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 13 01 AM Mon Mar 24 2025 27F 25F / 76% WNW 27 G 41 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 14 02 AM Mon Mar 24 2025 28F 25F / 75% WNW 28 G 41 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 15 03 AM Mon Mar 24 2025 28F 25F / 76% WNW 28 G 40 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 16 04 AM Mon Mar 24 2025 28F 25F / 79% WNW 26 G 39 MPH 8200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 17 05 AM Mon Mar 24 2025 28F 25F / 82% WNW 25 G 37 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 18 06 AM Mon Mar 24 2025 28F 25F / 81% WNW 24 G 35 MPH 8300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 07 AM Mon Mar 24 2025 28F 25F / 80% WNW 23 G 35 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 08 AM Mon Mar 24 2025 28F 25F / 78% WNW 23 G 34 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 09 AM Mon Mar 24 2025 28F 26F / 81% WNW 23 G 34 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 22 10 AM Mon Mar 24 2025 31F 27F / 81% WNW 20 G 31 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 23 11 AM Mon Mar 24 2025 33F 28F / 84% WNW 19 G 30 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 12 PM Mon Mar 24 2025 35F 28F / 83% WNW 17 G 27 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 01 PM Mon Mar 24 2025 37F 29F / 87% WNW 18 G 28 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 02 PM Mon Mar 24 2025 38F 29F / 85% WNW 17 G 27 MPH 8900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 27 03 PM Mon Mar 24 2025 38F 29F / 87% WNW 19 G 29 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 28 04 PM Mon Mar 24 2025 38F 30F / 83% WNW 18 G 28 MPH 9200 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 29 05 PM Mon Mar 24 2025 37F 30F / 82% WNW 18 G 30 MPH 9300 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 30 06 PM Mon Mar 24 2025 35F 30F / 80% WNW 19 G 29 MPH 9200 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 31 07 PM Mon Mar 24 2025 32F 28F / 82% WNW 20 G 29 MPH 9200 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 32 08 PM Mon Mar 24 2025 30F 27F / 79% WNW 21 G 31 MPH 9400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 33 09 PM Mon Mar 24 2025 31F 29F / 64% WNW 20 G 29 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 34 10 PM Mon Mar 24 2025 31F 29F / 68% WNW 20 G 31 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 35 11 PM Mon Mar 24 2025 30F 28F / 69% WNW 22 G 31 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 36 12 AM Tue Mar 25 2025 31F 28F / 73% WNW 21 G 32 MPH 9800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 37 01 AM Tue Mar 25 2025 30F 29F / 74% WNW 20 G 31 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 02 AM Tue Mar 25 2025 29F 28F / 75% NW 19 G 28 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 39 03 AM Tue Mar 25 2025 28F 27F / 81% NW 18 G 27 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 40 04 AM Tue Mar 25 2025 27F 27F / 87% E 17 G 24 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 41 05 AM Tue Mar 25 2025 27F 27F / 83% ENE 16 G 22 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 42 06 AM Tue Mar 25 2025 27F 27F / 76% SSE 16 G 22 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 43 07 AM Tue Mar 25 2025 26F 27F / 64% W 16 G 22 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 44 08 AM Tue Mar 25 2025 26F 27F / 57% NW 16 G 23 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 45 09 AM Tue Mar 25 2025 28F 29F / 43% WNW 16 G 23 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 46 10 AM Tue Mar 25 2025 31F 30F / 47% NW 13 G 18 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 47 11 AM Tue Mar 25 2025 36F 32F / 52% NW 12 G 17 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 48 12 PM Tue Mar 25 2025 39F 34F / 62% WNW 9 G 14 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0"