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 19-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 Tue Nov 19 2024 11F 2F / 90% WNW 21 G 33 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 1 12 PM Tue Nov 19 2024 12F 3F / 83% WNW 19 G 28 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 2 01 PM Tue Nov 19 2024 13F 4F / 82% WNW 17 G 25 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 3 02 PM Tue Nov 19 2024 15F 5F / 91% W 14 G 21 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 4 03 PM Tue Nov 19 2024 14F 6F / 69% W 11 G 14 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 5 04 PM Tue Nov 19 2024 14F 7F / 63% WSW 10 G 14 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 6 05 PM Tue Nov 19 2024 12F 7F / 56% W 14 G 20 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 7 06 PM Tue Nov 19 2024 10F 7F / 61% WSW 15 G 22 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 8 07 PM Tue Nov 19 2024 10F 7F / 58% WSW 18 G 24 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 9 08 PM Tue Nov 19 2024 10F 8F / 49% WSW 19 G 26 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 10 09 PM Tue Nov 19 2024 11F 9F / 52% WSW 20 G 28 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 11 10 PM Tue Nov 19 2024 12F 10F / 43% WSW 21 G 30 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 12 11 PM Tue Nov 19 2024 14F 11F / 47% WSW 23 G 34 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 13 12 AM Wed Nov 20 2024 14F 12F / 47% SW 24 G 38 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 14 01 AM Wed Nov 20 2024 15F 13F / 40% SW 25 G 41 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 15 02 AM Wed Nov 20 2024 16F 14F / 41% SW 26 G 40 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 16 03 AM Wed Nov 20 2024 18F 16F / 43% SW 25 G 38 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 04 AM Wed Nov 20 2024 18F 17F / 44% SW 25 G 41 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 18 05 AM Wed Nov 20 2024 19F 17F / 45% SW 25 G 41 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 06 AM Wed Nov 20 2024 20F 18F / 48% SW 26 G 39 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 20 07 AM Wed Nov 20 2024 21F 19F / 47% WSW 26 G 40 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 21 08 AM Wed Nov 20 2024 21F 20F / 48% WSW 25 G 39 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 22 09 AM Wed Nov 20 2024 23F 22F / 43% WSW 25 G 37 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 23 10 AM Wed Nov 20 2024 25F 23F / 44% WSW 22 G 36 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 24 11 AM Wed Nov 20 2024 27F 24F / 47% WSW 21 G 36 MPH 4500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 25 12 PM Wed Nov 20 2024 30F 25F / 45% WSW 20 G 34 MPH 4800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 26 01 PM Wed Nov 20 2024 31F 26F / 48% WSW 20 G 36 MPH 5100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 27 02 PM Wed Nov 20 2024 32F 26F / 38% WSW 20 G 34 MPH 5400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 28 03 PM Wed Nov 20 2024 31F 27F / 35% WSW 18 G 33 MPH 5600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 29 04 PM Wed Nov 20 2024 29F 27F / 34% WSW 19 G 33 MPH 5800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 30 05 PM Wed Nov 20 2024 27F 26F / 31% SW 19 G 32 MPH 6000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 31 06 PM Wed Nov 20 2024 26F 26F / 33% SW 19 G 32 MPH 6000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 07 PM Wed Nov 20 2024 26F 26F / 30% SW 19 G 32 MPH 6100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 33 08 PM Wed Nov 20 2024 26F 26F / 32% SW 21 G 31 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 34 09 PM Wed Nov 20 2024 26F 26F / 37% SW 21 G 31 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 35 10 PM Wed Nov 20 2024 27F 27F / 33% SW 21 G 32 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 36 11 PM Wed Nov 20 2024 27F 27F / 32% SW 20 G 32 MPH 5900 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 37 12 AM Thu Nov 21 2024 29F 29F / 28% WSW 22 G 34 MPH 5900 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 38 01 AM Thu Nov 21 2024 31F 31F / 30% WSW 21 G 33 MPH 5800 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 39 02 AM Thu Nov 21 2024 31F 30F / 28% WSW 20 G 31 MPH 5800 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 40 03 AM Thu Nov 21 2024 31F 31F / 29% SW 21 G 30 MPH 5800 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 41 04 AM Thu Nov 21 2024 31F 32F / 23% WSW 21 G 31 MPH 5700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 42 05 AM Thu Nov 21 2024 31F 31F / 22% WSW 19 G 28 MPH 5700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 43 06 AM Thu Nov 21 2024 32F 31F / 29% WSW 20 G 29 MPH 5700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 44 07 AM Thu Nov 21 2024 31F 31F / 21% SW 20 G 31 MPH 5700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 45 08 AM Thu Nov 21 2024 32F 32F / 27% WSW 19 G 29 MPH 5700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 46 09 AM Thu Nov 21 2024 33F 32F / 19% SW 18 G 27 MPH 5700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 47 10 AM Thu Nov 21 2024 34F 32F / 19% SW 17 G 29 MPH 5600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 48 11 AM Thu Nov 21 2024 36F 32F / 17% SW 17 G 30 MPH 5800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0"