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 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 PM Tue May 06 2025 34F 29F / 77% N 9 G 19 MPH 9600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Tue May 06 2025 34F 29F / 84% NNE 7 G 17 MPH 9500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Tue May 06 2025 32F 29F / 91% NNE 9 G 17 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Tue May 06 2025 31F 29F / 83% ENE 8 G 18 MPH 9100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Tue May 06 2025 33F 29F / 91% E 10 G 20 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Tue May 06 2025 32F 28F / 93% E 11 G 22 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Wed May 07 2025 32F 29F / 86% E 15 G 28 MPH 9800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Wed May 07 2025 32F 28F / 87% E 17 G 31 MPH 9600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Wed May 07 2025 32F 28F / 83% E 15 G 28 MPH 9600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Wed May 07 2025 31F 28F / 73% E 16 G 26 MPH 9400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Wed May 07 2025 30F 28F / 70% E 16 G 25 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Wed May 07 2025 30F 28F / 70% ENE 14 G 23 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Wed May 07 2025 29F 28F / 67% ENE 13 G 20 MPH 8900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Wed May 07 2025 29F 28F / 66% NE 11 G 18 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Wed May 07 2025 30F 28F / 70% NE 10 G 16 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Wed May 07 2025 30F 28F / 71% NE 9 G 16 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Wed May 07 2025 33F 29F / 65% ENE 7 G 14 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Wed May 07 2025 35F 30F / 62% E 8 G 13 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Wed May 07 2025 39F 31F / 67% E 6 G 12 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Wed May 07 2025 41F 32F / 61% E 5 G 11 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Wed May 07 2025 43F 34F / 61% E 4 G 10 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Wed May 07 2025 44F 36F / 62% NE 3 G 11 MPH 10100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Wed May 07 2025 45F 37F / 62% N 3 G 9 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Wed May 07 2025 45F 37F / 72% WNW 5 G 11 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Wed May 07 2025 42F 36F / 79% WNW 8 G 15 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Wed May 07 2025 41F 35F / 83% WNW 9 G 14 MPH 10000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Wed May 07 2025 38F 33F / 86% NW 9 G 15 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Wed May 07 2025 35F 32F / 91% NW 8 G 14 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Wed May 07 2025 35F 33F / 69% SSW 8 G 12 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Wed May 07 2025 36F 33F / 67% SW 9 G 12 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Thu May 08 2025 35F 33F / 65% WSW 11 G 14 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Thu May 08 2025 35F 33F / 60% WSW 11 G 15 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Thu May 08 2025 34F 33F / 55% WSW 12 G 18 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Thu May 08 2025 34F 32F / 54% WSW 13 G 17 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Thu May 08 2025 34F 32F / 57% W 13 G 17 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Thu May 08 2025 33F 32F / 52% W 14 G 19 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Thu May 08 2025 33F 32F / 52% W 15 G 20 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Thu May 08 2025 34F 33F / 50% WNW 16 G 20 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Thu May 08 2025 35F 35F / 49% WNW 15 G 20 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Thu May 08 2025 37F 36F / 63% WNW 14 G 19 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Thu May 08 2025 40F 36F / 61% WNW 13 G 18 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Thu May 08 2025 44F 37F / 73% NW 10 G 15 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Thu May 08 2025 45F 38F / 67% NW 10 G 15 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Thu May 08 2025 47F 39F / 56% WNW 9 G 16 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Thu May 08 2025 49F 40F / 62% WNW 10 G 17 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Thu May 08 2025 51F 41F / 56% NW 10 G 17 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Thu May 08 2025 49F 41F / 61% WNW 10 G 17 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Thu May 08 2025 49F 42F / 49% WNW 11 G 18 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Thu May 08 2025 47F 41F / 40% WNW 13 G 19 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"