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 06-Jan-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 11 PM Sun Jan 05 2025 18F 11F / 99% WNW 21 G 30 MPH 4700 FT 23:1 / 4% 0.00" / 0.0" 0.00" / 0.0" 1 12 AM Mon Jan 06 2025 17F 12F / 100% WNW 20 G 31 MPH 4800 FT 23:1 / 4% 0.01" / 0.2" 0.01" / 0.2" 2 01 AM Mon Jan 06 2025 17F 12F / 100% WNW 19 G 27 MPH 4900 FT 22:1 / 5% 0.00" / 0.0" 0.01" / 0.2" 3 02 AM Mon Jan 06 2025 17F 12F / 100% WNW 16 G 24 MPH 4900 FT 19:1 / 5% 0.00" / 0.0" 0.01" / 0.2" 4 03 AM Mon Jan 06 2025 17F 12F / 100% WNW 15 G 23 MPH 4900 FT 20:1 / 5% 0.00" / 0.0" 0.01" / 0.2" 5 04 AM Mon Jan 06 2025 18F 12F / 100% WNW 15 G 22 MPH 5200 FT 23:1 / 4% 0.00" / 0.0" 0.01" / 0.2" 6 05 AM Mon Jan 06 2025 18F 12F / 100% WNW 14 G 20 MPH 5100 FT 19:1 / 5% 0.00" / 0.0" 0.01" / 0.2" 7 06 AM Mon Jan 06 2025 17F 12F / 100% WNW 15 G 23 MPH 5000 FT 17:1 / 6% 0.00" / 0.0" 0.01" / 0.2" 8 07 AM Mon Jan 06 2025 17F 12F / 100% WNW 15 G 23 MPH 4900 FT 16:1 / 6% 0.00" / 0.0" 0.01" / 0.2" 9 08 AM Mon Jan 06 2025 16F 11F / 100% WNW 14 G 20 MPH 4800 FT 16:1 / 6% 0.00" / 0.0" 0.01" / 0.2" 10 09 AM Mon Jan 06 2025 17F 11F / 97% NW 13 G 19 MPH 4900 FT 16:1 / 6% 0.00" / 0.0" 0.01" / 0.2" 11 10 AM Mon Jan 06 2025 19F 13F / 95% WNW 12 G 18 MPH 5000 FT 16:1 / 6% 0.00" / 0.0" 0.01" / 0.2" 12 11 AM Mon Jan 06 2025 20F 13F / 90% WNW 10 G 14 MPH 5100 FT 16:1 / 6% 0.00" / 0.0" 0.01" / 0.2" 13 12 PM Mon Jan 06 2025 22F 14F / 92% NW 9 G 15 MPH 5100 FT 16:1 / 6% 0.00" / 0.0" 0.01" / 0.2" 14 01 PM Mon Jan 06 2025 22F 15F / 90% NW 10 G 17 MPH 5100 FT 16:1 / 6% 0.00" / 0.0" 0.01" / 0.2" 15 02 PM Mon Jan 06 2025 23F 15F / 95% NW 12 G 17 MPH 5300 FT 15:1 / 7% 0.00" / 0.0" 0.01" / 0.2" 16 03 PM Mon Jan 06 2025 23F 14F / 100% WNW 10 G 15 MPH 5300 FT 17:1 / 6% 0.00" / 0.0" 0.01" / 0.2" 17 04 PM Mon Jan 06 2025 20F 13F / 95% WNW 9 G 15 MPH 5400 FT 18:1 / 6% 0.01" / 0.2" 0.02" / 0.4" 18 05 PM Mon Jan 06 2025 19F 12F / 97% NW 10 G 16 MPH 5400 FT 19:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 19 06 PM Mon Jan 06 2025 18F 11F / 100% NW 12 G 17 MPH 5400 FT 18:1 / 6% 0.00" / 0.0" 0.02" / 0.4" 20 07 PM Mon Jan 06 2025 16F 10F / 100% NW 12 G 18 MPH 5200 FT 18:1 / 6% 0.00" / 0.0" 0.02" / 0.4" 21 08 PM Mon Jan 06 2025 15F 10F / 100% NNW 13 G 20 MPH 5200 FT 19:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 22 09 PM Mon Jan 06 2025 15F 10F / 100% N 14 G 23 MPH 5200 FT 17:1 / 6% 0.01" / 0.2" 0.03" / 0.6" 23 10 PM Mon Jan 06 2025 14F 9F / 97% NNW 17 G 27 MPH 5100 FT 18:1 / 6% 0.03" / 0.5" 0.06" / 1.1" 24 11 PM Mon Jan 06 2025 14F 8F / 100% N 16 G 27 MPH 4800 FT 18:1 / 6% 0.01" / 0.2" 0.07" / 1.3" 25 12 AM Tue Jan 07 2025 13F 8F / 100% N 17 G 28 MPH 4400 FT 20:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 26 01 AM Tue Jan 07 2025 13F 8F / 97% N 13 G 24 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 27 02 AM Tue Jan 07 2025 12F 8F / 94% N 13 G 21 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 28 03 AM Tue Jan 07 2025 11F 7F / 92% NNE 13 G 20 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 29 04 AM Tue Jan 07 2025 11F 7F / 92% N 15 G 21 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 30 05 AM Tue Jan 07 2025 10F 7F / 85% NNE 16 G 26 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 31 06 AM Tue Jan 07 2025 8F 6F / 79% NNE 17 G 25 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 32 07 AM Tue Jan 07 2025 7F 5F / 72% NNE 18 G 28 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 33 08 AM Tue Jan 07 2025 7F 4F / 70% NNE 17 G 23 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.07" / 1.3" 34 09 AM Tue Jan 07 2025 7F 4F / 70% NNE 18 G 28 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.07" / 1.3" 35 10 AM Tue Jan 07 2025 9F 5F / 73% NNE 19 G 31 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.07" / 1.3" 36 11 AM Tue Jan 07 2025 12F 6F / 72% NNE 16 G 28 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.07" / 1.3" 37 12 PM Tue Jan 07 2025 15F 8F / 74% NNE 12 G 21 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.07" / 1.3" 38 01 PM Tue Jan 07 2025 15F 8F / 76% N 11 G 21 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 39 02 PM Tue Jan 07 2025 17F 8F / 80% N 14 G 21 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 40 03 PM Tue Jan 07 2025 15F 7F / 88% NNW 15 G 25 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 41 04 PM Tue Jan 07 2025 11F 6F / 81% NNW 17 G 28 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 42 05 PM Tue Jan 07 2025 9F 5F / 78% N 18 G 34 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.07" / 1.3" 43 06 PM Tue Jan 07 2025 7F 4F / 77% N 20 G 35 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.07" / 1.3" 44 07 PM Tue Jan 07 2025 4F 2F / 78% NNE 20 G 36 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.07" / 1.3" 45 08 PM Tue Jan 07 2025 4F 2F / 73% NNE 21 G 35 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.07" / 1.3" 46 09 PM Tue Jan 07 2025 5F 3F / 69% NNE 23 G 36 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.07" / 1.3" 47 10 PM Tue Jan 07 2025 7F 4F / 64% NNE 24 G 41 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.07" / 1.3" 48 11 PM Tue Jan 07 2025 6F 5F / 65% NNE 24 G 36 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.07" / 1.3"