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 06Z 08-Dec-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 PM Sat Dec 07 2024 30F 31F / 32% W 21 G 32 MPH 5400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 1 12 AM Sun Dec 08 2024 28F 30F / 29% W 25 G 37 MPH 5100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 2 01 AM Sun Dec 08 2024 29F 29F / 30% W 26 G 38 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 3 02 AM Sun Dec 08 2024 29F 28F / 34% W 27 G 40 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 4 03 AM Sun Dec 08 2024 26F 25F / 41% W 29 G 43 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 5 04 AM Sun Dec 08 2024 24F 21F / 49% W 30 G 47 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 6 05 AM Sun Dec 08 2024 23F 20F / 71% W 29 G 44 MPH ≤ KSLC 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 7 06 AM Sun Dec 08 2024 22F 19F / 71% WNW 29 G 43 MPH ≤ KSLC 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 8 07 AM Sun Dec 08 2024 22F 20F / 79% WNW 29 G 43 MPH ≤ KSLC 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 9 08 AM Sun Dec 08 2024 21F 19F / 87% WNW 30 G 44 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 10 09 AM Sun Dec 08 2024 22F 19F / 89% WNW 31 G 46 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 11 10 AM Sun Dec 08 2024 24F 19F / 85% WNW 28 G 44 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 12 11 AM Sun Dec 08 2024 26F 19F / 83% WNW 28 G 44 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 13 12 PM Sun Dec 08 2024 27F 18F / 74% W 28 G 42 MPH 4400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 14 01 PM Sun Dec 08 2024 26F 17F / 66% W 28 G 43 MPH 4600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 15 02 PM Sun Dec 08 2024 25F 17F / 59% W 29 G 44 MPH 5000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 16 03 PM Sun Dec 08 2024 22F 16F / 59% W 30 G 46 MPH 5300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 17 04 PM Sun Dec 08 2024 21F 15F / 66% W 30 G 45 MPH 5300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 18 05 PM Sun Dec 08 2024 18F 13F / 76% W 29 G 46 MPH 5200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 06 PM Sun Dec 08 2024 16F 12F / 79% W 27 G 43 MPH 5000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 07 PM Sun Dec 08 2024 16F 11F / 94% W 27 G 41 MPH 4600 FT 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 21 08 PM Sun Dec 08 2024 15F 9F / 91% WNW 26 G 35 MPH 4700 FT 24:1 / 4% 0.00" / 0.0" 0.00" / 0.0" 22 09 PM Sun Dec 08 2024 14F 9F / 95% WNW 26 G 36 MPH 4700 FT 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 23 10 PM Sun Dec 08 2024 12F 6F / 100% WNW 27 G 41 MPH 4500 FT 20:1 / 5% 0.03" / 0.6" 0.03" / 0.6" 24 11 PM Sun Dec 08 2024 11F 5F / 98% WNW 27 G 43 MPH ≤ KSLC 15:1 / 7% 0.01" / 0.2" 0.04" / 0.8" 25 12 AM Mon Dec 09 2024 10F 5F / 91% WNW 29 G 44 MPH ≤ KSLC 17:1 / 6% 0.01" / 0.2" 0.05" / 1.0" 26 01 AM Mon Dec 09 2024 8F 4F / 89% WNW 26 G 38 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 27 02 AM Mon Dec 09 2024 7F 3F / 92% WNW 26 G 37 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 28 03 AM Mon Dec 09 2024 7F 3F / 88% NW 24 G 36 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 29 04 AM Mon Dec 09 2024 6F 2F / 94% NW 21 G 29 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 30 05 AM Mon Dec 09 2024 6F 1F / 90% NW 21 G 31 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 31 06 AM Mon Dec 09 2024 5F 1F / 92% NW 21 G 31 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 32 07 AM Mon Dec 09 2024 6F 1F / 97% NW 21 G 30 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 33 08 AM Mon Dec 09 2024 6F 1F / 95% NNW 17 G 24 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 34 09 AM Mon Dec 09 2024 7F 2F / 91% NW 19 G 28 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 35 10 AM Mon Dec 09 2024 10F 3F / 93% ESE 17 G 27 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 36 11 AM Mon Dec 09 2024 12F 4F / 95% NW 19 G 28 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 37 12 PM Mon Dec 09 2024 14F 6F / 97% NW 17 G 25 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 38 01 PM Mon Dec 09 2024 15F 7F / 94% NW 18 G 26 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 39 02 PM Mon Dec 09 2024 15F 7F / 93% WNW 21 G 26 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 40 03 PM Mon Dec 09 2024 15F 6F / 93% NW 19 G 28 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 41 04 PM Mon Dec 09 2024 14F 5F / 94% NW 18 G 29 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 42 05 PM Mon Dec 09 2024 12F 5F / 87% NW 17 G 30 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 43 06 PM Mon Dec 09 2024 10F 4F / 90% NW 15 G 25 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 44 07 PM Mon Dec 09 2024 9F 2F / 94% NW 19 G 26 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 45 08 PM Mon Dec 09 2024 8F 3F / 96% NW 22 G 31 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.05" / 1.0" 46 09 PM Mon Dec 09 2024 8F 3F / 93% NW 23 G 33 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 47 10 PM Mon Dec 09 2024 9F 3F / 93% NW 23 G 34 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 48 11 PM Mon Dec 09 2024 8F 5F / 90% NNW 24 G 33 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.05" / 1.0"