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 06-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 Wed Nov 06 2024 15F 8F / 69% NE 15 G 27 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 1 12 PM Wed Nov 06 2024 17F 9F / 75% NNE 11 G 22 MPH 4300 FT 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 2 01 PM Wed Nov 06 2024 20F 11F / 85% NNE 14 G 27 MPH 4300 FT 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 3 02 PM Wed Nov 06 2024 20F 10F / 76% N 16 G 29 MPH 4300 FT 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 4 03 PM Wed Nov 06 2024 18F 10F / 79% N 16 G 30 MPH 4400 FT 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 5 04 PM Wed Nov 06 2024 16F 9F / 78% N 20 G 34 MPH 4400 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 6 05 PM Wed Nov 06 2024 12F 8F / 76% N 19 G 34 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 7 06 PM Wed Nov 06 2024 10F 7F / 77% NNE 21 G 35 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 8 07 PM Wed Nov 06 2024 9F 7F / 70% NNE 18 G 34 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 9 08 PM Wed Nov 06 2024 9F 7F / 66% NE 18 G 33 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 10 09 PM Wed Nov 06 2024 8F 7F / 64% NE 14 G 27 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 11 10 PM Wed Nov 06 2024 8F 7F / 60% NE 15 G 27 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 12 11 PM Wed Nov 06 2024 9F 8F / 59% NE 13 G 25 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 13 12 AM Thu Nov 07 2024 9F 9F / 51% NE 12 G 23 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 14 01 AM Thu Nov 07 2024 11F 11F / 46% NE 11 G 16 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 15 02 AM Thu Nov 07 2024 11F 12F / 43% NE 11 G 19 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 16 03 AM Thu Nov 07 2024 12F 12F / 40% NNE 14 G 23 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 17 04 AM Thu Nov 07 2024 11F 13F / 40% NE 17 G 28 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 18 05 AM Thu Nov 07 2024 12F 13F / 37% NNE 15 G 26 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 19 06 AM Thu Nov 07 2024 12F 12F / 40% NE 16 G 27 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 20 07 AM Thu Nov 07 2024 13F 14F / 32% NE 20 G 33 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 21 08 AM Thu Nov 07 2024 14F 15F / 34% ENE 17 G 29 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 09 AM Thu Nov 07 2024 17F 17F / 32% NE 16 G 28 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 23 10 AM Thu Nov 07 2024 22F 20F / 28% ENE 14 G 24 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 24 11 AM Thu Nov 07 2024 26F 20F / 26% ENE 9 G 19 MPH 4400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 25 12 PM Thu Nov 07 2024 28F 21F / 27% NE 6 G 16 MPH 4600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 01 PM Thu Nov 07 2024 28F 22F / 29% NE 6 G 12 MPH 4900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 27 02 PM Thu Nov 07 2024 27F 22F / 30% NE 5 G 14 MPH 4900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 28 03 PM Thu Nov 07 2024 26F 23F / 34% NE 8 G 14 MPH 5100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 29 04 PM Thu Nov 07 2024 24F 23F / 37% NE 6 G 11 MPH 5100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 30 05 PM Thu Nov 07 2024 21F 22F / 36% N 6 G 13 MPH 4800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 06 PM Thu Nov 07 2024 19F 20F / 36% NNW 9 G 15 MPH 4900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 07 PM Thu Nov 07 2024 19F 20F / 36% NNW 9 G 15 MPH 5100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 33 08 PM Thu Nov 07 2024 19F 20F / 36% N 12 G 18 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 09 PM Thu Nov 07 2024 20F 21F / 32% NNE 11 G 22 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 35 10 PM Thu Nov 07 2024 21F 22F / 33% N 11 G 20 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 36 11 PM Thu Nov 07 2024 21F 23F / 31% N 13 G 22 MPH 4900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 12 AM Fri Nov 08 2024 22F 23F / 35% NNE 14 G 22 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 38 01 AM Fri Nov 08 2024 22F 23F / 34% NNE 16 G 22 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 39 02 AM Fri Nov 08 2024 23F 23F / 37% NNE 14 G 20 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 03 AM Fri Nov 08 2024 23F 24F / 38% N 17 G 23 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 41 04 AM Fri Nov 08 2024 22F 23F / 35% N 17 G 26 MPH 5400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 42 05 AM Fri Nov 08 2024 21F 22F / 34% N 19 G 29 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 43 06 AM Fri Nov 08 2024 20F 22F / 35% N 19 G 28 MPH 5100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 44 07 AM Fri Nov 08 2024 20F 22F / 33% N 20 G 30 MPH 5000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 45 08 AM Fri Nov 08 2024 21F 22F / 28% NNE 17 G 28 MPH 4900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 46 09 AM Fri Nov 08 2024 21F 22F / 24% NNE 17 G 27 MPH 4900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 47 10 AM Fri Nov 08 2024 25F 24F / 22% NNE 16 G 25 MPH 4900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 48 11 AM Fri Nov 08 2024 31F 26F / 26% NNE 13 G 23 MPH 5100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0"