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 09-Feb-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 AM Sun Feb 09 2025 9F 5F / 65% W 13 G 18 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 1 12 PM Sun Feb 09 2025 14F 7F / 62% W 12 G 16 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 2 01 PM Sun Feb 09 2025 14F 8F / 59% W 10 G 15 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 3 02 PM Sun Feb 09 2025 17F 9F / 72% WSW 9 G 13 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 4 03 PM Sun Feb 09 2025 15F 10F / 68% WSW 12 G 16 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 5 04 PM Sun Feb 09 2025 15F 10F / 71% WSW 11 G 18 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 6 05 PM Sun Feb 09 2025 14F 11F / 54% SW 14 G 21 MPH ≤ KSLC 23:1 / 4% 0.00" / 0.0" 0.00" / 0.0" 7 06 PM Sun Feb 09 2025 11F 9F / 51% WSW 15 G 25 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 8 07 PM Sun Feb 09 2025 10F 9F / 46% WSW 18 G 27 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 9 08 PM Sun Feb 09 2025 10F 9F / 43% WSW 21 G 29 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 10 09 PM Sun Feb 09 2025 10F 9F / 48% WSW 21 G 31 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 11 10 PM Sun Feb 09 2025 10F 9F / 48% WSW 21 G 30 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 12 11 PM Sun Feb 09 2025 10F 9F / 48% WSW 21 G 31 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 13 12 AM Mon Feb 10 2025 10F 8F / 49% WSW 22 G 32 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 14 01 AM Mon Feb 10 2025 10F 8F / 48% WSW 23 G 34 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 15 02 AM Mon Feb 10 2025 10F 8F / 49% WSW 24 G 36 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 16 03 AM Mon Feb 10 2025 10F 9F / 48% WSW 24 G 37 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 17 04 AM Mon Feb 10 2025 10F 9F / 46% W 24 G 37 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 18 05 AM Mon Feb 10 2025 10F 8F / 48% W 25 G 38 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 19 06 AM Mon Feb 10 2025 10F 8F / 51% W 25 G 38 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 20 07 AM Mon Feb 10 2025 10F 8F / 49% W 24 G 36 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 21 08 AM Mon Feb 10 2025 10F 8F / 51% W 23 G 34 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 22 09 AM Mon Feb 10 2025 11F 9F / 51% W 22 G 33 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 23 10 AM Mon Feb 10 2025 12F 10F / 54% W 20 G 30 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 24 11 AM Mon Feb 10 2025 16F 10F / 51% W 18 G 28 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 25 12 PM Mon Feb 10 2025 18F 11F / 54% W 16 G 26 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 26 01 PM Mon Feb 10 2025 19F 11F / 51% WSW 16 G 25 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 27 02 PM Mon Feb 10 2025 20F 11F / 53% WSW 16 G 24 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 28 03 PM Mon Feb 10 2025 17F 11F / 58% W 17 G 26 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 29 04 PM Mon Feb 10 2025 16F 11F / 62% WSW 17 G 27 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 30 05 PM Mon Feb 10 2025 14F 10F / 61% WSW 18 G 27 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 31 06 PM Mon Feb 10 2025 12F 8F / 61% WSW 18 G 29 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 32 07 PM Mon Feb 10 2025 10F 7F / 59% WSW 19 G 33 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 33 08 PM Mon Feb 10 2025 10F 7F / 53% WSW 22 G 32 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 34 09 PM Mon Feb 10 2025 9F 7F / 53% WSW 23 G 34 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 35 10 PM Mon Feb 10 2025 10F 7F / 55% W 25 G 36 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 36 11 PM Mon Feb 10 2025 9F 7F / 58% W 24 G 37 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 37 12 AM Tue Feb 11 2025 9F 7F / 65% W 25 G 39 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 38 01 AM Tue Feb 11 2025 8F 6F / 62% WSW 25 G 40 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 39 02 AM Tue Feb 11 2025 8F 5F / 66% WSW 23 G 37 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 40 03 AM Tue Feb 11 2025 8F 5F / 68% WSW 23 G 37 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 41 04 AM Tue Feb 11 2025 8F 4F / 74% WSW 22 G 34 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 42 05 AM Tue Feb 11 2025 8F 4F / 75% WSW 20 G 31 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 43 06 AM Tue Feb 11 2025 7F 4F / 72% WSW 19 G 30 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 44 07 AM Tue Feb 11 2025 7F 4F / 73% WSW 17 G 29 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 45 08 AM Tue Feb 11 2025 7F 4F / 70% WSW 19 G 29 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 46 09 AM Tue Feb 11 2025 7F 4F / 68% WSW 15 G 24 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 47 10 AM Tue Feb 11 2025 7F 5F / 70% SW 14 G 24 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 48 11 AM Tue Feb 11 2025 13F 8F / 72% SW 13 G 20 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0"