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 07-Nov-2024 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 11 AM Thu Nov 07 2024 26F 21F / 26% NE 9 G 18 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 12 PM Thu Nov 07 2024 27F 20F / 28% NE 5 G 11 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 01 PM Thu Nov 07 2024 28F 21F / 32% ENE 4 G 12 MPH 4400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 3 02 PM Thu Nov 07 2024 29F 23F / 34% NE 3 G 10 MPH 4300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 03 PM Thu Nov 07 2024 26F 22F / 36% NE 4 G 9 MPH 4400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 04 PM Thu Nov 07 2024 23F 21F / 34% NNE 5 G 10 MPH 4500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 05 PM Thu Nov 07 2024 20F 20F / 34% NNE 9 G 15 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 06 PM Thu Nov 07 2024 19F 20F / 35% N 12 G 19 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 8 07 PM Thu Nov 07 2024 19F 20F / 36% N 14 G 25 MPH 4500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 9 08 PM Thu Nov 07 2024 19F 20F / 31% N 16 G 26 MPH 4600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 10 09 PM Thu Nov 07 2024 20F 21F / 29% N 15 G 23 MPH 4700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 11 10 PM Thu Nov 07 2024 21F 21F / 26% N 16 G 25 MPH 4900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 12 11 PM Thu Nov 07 2024 21F 21F / 32% N 16 G 26 MPH 4900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 13 12 AM Fri Nov 08 2024 21F 21F / 35% N 18 G 29 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 14 01 AM Fri Nov 08 2024 21F 21F / 43% N 17 G 26 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 02 AM Fri Nov 08 2024 21F 21F / 48% N 19 G 30 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 03 AM Fri Nov 08 2024 21F 20F / 53% N 21 G 35 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 17 04 AM Fri Nov 08 2024 21F 20F / 57% NNE 25 G 38 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 18 05 AM Fri Nov 08 2024 20F 20F / 64% NNE 24 G 39 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 19 06 AM Fri Nov 08 2024 20F 20F / 48% NNE 25 G 41 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 20 07 AM Fri Nov 08 2024 20F 21F / 31% NNE 25 G 40 MPH 5100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 21 08 AM Fri Nov 08 2024 20F 21F / 35% NNE 22 G 35 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 22 09 AM Fri Nov 08 2024 21F 21F / 33% NE 18 G 31 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 10 AM Fri Nov 08 2024 25F 23F / 32% ENE 16 G 29 MPH 4900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 24 11 AM Fri Nov 08 2024 28F 24F / 48% ENE 16 G 30 MPH 5100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 25 12 PM Fri Nov 08 2024 30F 24F / 63% NE 15 G 29 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 26 01 PM Fri Nov 08 2024 33F 26F / 64% NE 10 G 20 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 27 02 PM Fri Nov 08 2024 34F 27F / 65% E 6 G 18 MPH 5800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 28 03 PM Fri Nov 08 2024 31F 26F / 61% E 6 G 17 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 29 04 PM Fri Nov 08 2024 30F 26F / 63% E 6 G 18 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 30 05 PM Fri Nov 08 2024 27F 26F / 47% E 4 G 14 MPH 6300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 31 06 PM Fri Nov 08 2024 26F 26F / 44% ENE 5 G 11 MPH 6400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 32 07 PM Fri Nov 08 2024 24F 24F / 52% NE 8 G 14 MPH 6700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 33 08 PM Fri Nov 08 2024 23F 24F / 50% NNE 6 G 12 MPH 6700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 34 09 PM Fri Nov 08 2024 24F 24F / 49% NNE 8 G 16 MPH 6600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 35 10 PM Fri Nov 08 2024 26F 25F / 50% NNW 11 G 18 MPH 6600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 36 11 PM Fri Nov 08 2024 27F 25F / 46% NNW 14 G 25 MPH 6500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 37 12 AM Sat Nov 09 2024 27F 26F / 54% E 16 G 24 MPH 6400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 38 01 AM Sat Nov 09 2024 27F 27F / 47% NW 18 G 25 MPH 6100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 39 02 AM Sat Nov 09 2024 27F 26F / 44% NNW 20 G 31 MPH 6100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 40 03 AM Sat Nov 09 2024 27F 26F / 53% E 23 G 33 MPH 6000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 41 04 AM Sat Nov 09 2024 27F 26F / 53% E 21 G 32 MPH 6000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 42 05 AM Sat Nov 09 2024 27F 26F / 45% NW 22 G 36 MPH 6000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 43 06 AM Sat Nov 09 2024 27F 26F / 49% NW 23 G 30 MPH 5700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 44 07 AM Sat Nov 09 2024 27F 26F / 49% NW 23 G 29 MPH 5700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 45 08 AM Sat Nov 09 2024 26F 26F / 54% NW 22 G 33 MPH 5600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 46 09 AM Sat Nov 09 2024 27F 25F / 46% WNW 20 G 31 MPH 5400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 47 10 AM Sat Nov 09 2024 31F 28F / 47% WNW 18 G 26 MPH 5600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 48 11 AM Sat Nov 09 2024 34F 29F / 44% WNW 16 G 26 MPH 5800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0"