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 07-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 AM Wed May 07 2025 30F 27F / 53% ESE 11 G 13 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Wed May 07 2025 29F 27F / 77% ENE 8 G 11 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Wed May 07 2025 31F 28F / 80% E 9 G 15 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Wed May 07 2025 31F 28F / 77% ENE 9 G 14 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Wed May 07 2025 33F 29F / 64% ENE 8 G 12 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Wed May 07 2025 36F 30F / 64% ENE 8 G 12 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Wed May 07 2025 40F 32F / 65% ENE 6 G 12 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Wed May 07 2025 42F 34F / 77% NNE 4 G 9 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Wed May 07 2025 45F 35F / 72% NNW 2 G 7 MPH 10000 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Wed May 07 2025 45F 36F / 76% NW 5 G 12 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Wed May 07 2025 45F 36F / 70% WNW 8 G 15 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Wed May 07 2025 44F 36F / 72% WNW 10 G 18 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Wed May 07 2025 43F 36F / 76% WNW 8 G 15 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Wed May 07 2025 40F 34F / 79% WNW 10 G 15 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Wed May 07 2025 37F 33F / 77% NW 10 G 15 MPH 8900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Wed May 07 2025 34F 32F / 70% NNW 10 G 13 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Wed May 07 2025 34F 33F / 51% WNW 10 G 14 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Wed May 07 2025 34F 33F / 51% W 10 G 11 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Thu May 08 2025 34F 33F / 36% W 13 G 15 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Thu May 08 2025 35F 33F / 26% W 15 G 19 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Thu May 08 2025 34F 33F / 31% WNW 16 G 22 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Thu May 08 2025 34F 33F / 30% WNW 17 G 23 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Thu May 08 2025 34F 33F / 29% WNW 19 G 25 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Thu May 08 2025 35F 33F / 32% WNW 19 G 26 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Thu May 08 2025 34F 33F / 39% WNW 18 G 25 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Thu May 08 2025 34F 32F / 46% WNW 18 G 24 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Thu May 08 2025 35F 32F / 52% WNW 17 G 23 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Thu May 08 2025 37F 34F / 59% WNW 16 G 22 MPH 9900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Thu May 08 2025 39F 34F / 63% WNW 13 G 18 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Thu May 08 2025 43F 36F / 68% WNW 11 G 18 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Thu May 08 2025 46F 37F / 67% WNW 10 G 17 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Thu May 08 2025 47F 38F / 60% WNW 10 G 17 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Thu May 08 2025 50F 39F / 55% WNW 11 G 20 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Thu May 08 2025 50F 40F / 57% WNW 11 G 19 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Thu May 08 2025 50F 41F / 45% WNW 12 G 19 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Thu May 08 2025 50F 41F / 44% WNW 12 G 19 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Thu May 08 2025 46F 40F / 49% WNW 12 G 19 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Thu May 08 2025 45F 41F / 56% WNW 13 G 20 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Thu May 08 2025 42F 40F / 49% WNW 13 G 17 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Thu May 08 2025 39F 38F / 44% W 15 G 19 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Thu May 08 2025 39F 39F / 47% W 16 G 20 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Thu May 08 2025 39F 38F / 45% W 15 G 21 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Fri May 09 2025 39F 39F / 38% W 17 G 22 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Fri May 09 2025 39F 39F / 32% WNW 17 G 22 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Fri May 09 2025 40F 39F / 32% WNW 17 G 22 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Fri May 09 2025 38F 39F / 34% WNW 19 G 23 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Fri May 09 2025 38F 38F / 36% WNW 19 G 23 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Fri May 09 2025 38F 39F / 30% WNW 19 G 22 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Fri May 09 2025 37F 38F / 28% WNW 18 G 22 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0"