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 02-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 06 PM Thu May 01 2025 36F 30F / 67% NW 7 G 14 MPH 8300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Thu May 01 2025 35F 30F / 71% NW 9 G 15 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Thu May 01 2025 33F 29F / 68% NNW 11 G 17 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Thu May 01 2025 31F 28F / 78% N 11 G 19 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Thu May 01 2025 30F 28F / 70% E 9 G 13 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Thu May 01 2025 29F 27F / 60% ENE 11 G 18 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Fri May 02 2025 29F 27F / 59% E 11 G 19 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Fri May 02 2025 28F 27F / 60% ESE 10 G 16 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Fri May 02 2025 28F 28F / 56% SE 9 G 14 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Fri May 02 2025 30F 28F / 53% SE 11 G 16 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Fri May 02 2025 29F 27F / 65% SE 13 G 20 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Fri May 02 2025 28F 27F / 63% SW 11 G 16 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Fri May 02 2025 27F 27F / 61% SSW 9 G 11 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Fri May 02 2025 28F 27F / 60% S 9 G 13 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Fri May 02 2025 29F 28F / 63% SSE 10 G 15 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Fri May 02 2025 31F 29F / 59% S 10 G 15 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Fri May 02 2025 34F 30F / 58% SSW 9 G 15 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Fri May 02 2025 36F 31F / 56% SW 9 G 16 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Fri May 02 2025 39F 33F / 50% SW 8 G 16 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Fri May 02 2025 43F 35F / 61% WSW 5 G 12 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Fri May 02 2025 45F 36F / 62% W 5 G 11 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Fri May 02 2025 46F 37F / 40% WSW 4 G 10 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Fri May 02 2025 45F 37F / 40% SW 5 G 11 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Fri May 02 2025 45F 37F / 41% SW 6 G 11 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Fri May 02 2025 41F 37F / 38% SSW 6 G 12 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Fri May 02 2025 39F 36F / 42% S 7 G 12 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Fri May 02 2025 38F 35F / 45% S 9 G 14 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Fri May 02 2025 37F 35F / 40% S 10 G 17 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Fri May 02 2025 37F 35F / 38% SSW 10 G 16 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Fri May 02 2025 37F 35F / 42% SSW 11 G 17 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Sat May 03 2025 36F 35F / 42% S 13 G 19 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Sat May 03 2025 37F 35F / 42% S 14 G 22 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Sat May 03 2025 37F 35F / 47% S 16 G 24 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Sat May 03 2025 36F 34F / 42% S 15 G 24 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Sat May 03 2025 36F 34F / 42% S 15 G 24 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Sat May 03 2025 35F 33F / 45% SSW 17 G 27 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Sat May 03 2025 35F 34F / 46% SSW 17 G 28 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Sat May 03 2025 34F 34F / 44% SSW 18 G 28 MPH 9600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Sat May 03 2025 34F 34F / 47% SSW 16 G 23 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Sat May 03 2025 36F 35F / 47% SSW 14 G 22 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Sat May 03 2025 38F 36F / 46% S 13 G 22 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Sat May 03 2025 42F 36F / 56% S 11 G 21 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Sat May 03 2025 45F 39F / 54% S 9 G 17 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Sat May 03 2025 48F 40F / 52% S 8 G 18 MPH 9900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Sat May 03 2025 50F 40F / 46% S 7 G 18 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Sat May 03 2025 52F 42F / 43% S 6 G 17 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Sat May 03 2025 51F 43F / 40% SW 8 G 19 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Sat May 03 2025 51F 43F / 47% S 6 G 13 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Sat May 03 2025 49F 43F / 48% SSE 6 G 17 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"