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 11-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 PM Mon Feb 10 2025 7F 5F / 59% W 25 G 37 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 1 12 AM Tue Feb 11 2025 7F 5F / 65% W 25 G 38 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 2 01 AM Tue Feb 11 2025 7F 4F / 61% W 25 G 38 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 3 02 AM Tue Feb 11 2025 6F 4F / 60% W 26 G 38 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 4 03 AM Tue Feb 11 2025 6F 4F / 60% W 25 G 38 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 5 04 AM Tue Feb 11 2025 7F 4F / 60% WSW 24 G 35 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 6 05 AM Tue Feb 11 2025 6F 3F / 71% WSW 21 G 32 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 7 06 AM Tue Feb 11 2025 6F 2F / 74% WSW 19 G 28 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 8 07 AM Tue Feb 11 2025 6F 2F / 72% WSW 20 G 29 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 9 08 AM Tue Feb 11 2025 6F 2F / 64% WSW 18 G 28 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 10 09 AM Tue Feb 11 2025 6F 2F / 65% WSW 18 G 28 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 11 10 AM Tue Feb 11 2025 9F 3F / 72% WSW 15 G 24 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 12 11 AM Tue Feb 11 2025 11F 3F / 86% WSW 14 G 22 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 13 12 PM Tue Feb 11 2025 10F 2F / 97% WSW 12 G 20 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 14 01 PM Tue Feb 11 2025 9F 1F / 100% WSW 13 G 20 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 15 02 PM Tue Feb 11 2025 9F 1F / 99% W 15 G 22 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 16 03 PM Tue Feb 11 2025 8F 0F / 100% W 14 G 22 MPH ≤ KSLC 17:1 / 6% 0.01" / 0.2" 0.01" / 0.2" 17 04 PM Tue Feb 11 2025 7F -1F / 99% W 15 G 23 MPH ≤ KSLC 17:1 / 6% 0.01" / 0.2" 0.02" / 0.4" 18 05 PM Tue Feb 11 2025 5F -2F / 93% WNW 17 G 26 MPH ≤ KSLC 15:1 / 7% 0.01" / 0.2" 0.03" / 0.6" 19 06 PM Tue Feb 11 2025 3F -4F / 88% WNW 16 G 25 MPH ≤ KSLC 15:1 / 7% 0.01" / 0.2" 0.04" / 0.8" 20 07 PM Tue Feb 11 2025 1F -5F / 84% WNW 19 G 27 MPH ≤ KSLC 15:1 / 7% 0.01" / 0.2" 0.05" / 1.0" 21 08 PM Tue Feb 11 2025 0F -7F / 83% WNW 21 G 31 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 22 09 PM Tue Feb 11 2025 -1F -7F / 87% WNW 21 G 32 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 23 10 PM Tue Feb 11 2025 -1F -8F / 88% WNW 21 G 32 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 24 11 PM Tue Feb 11 2025 -2F -8F / 88% WNW 22 G 33 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 25 12 AM Wed Feb 12 2025 -3F -9F / 92% WNW 22 G 32 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.05" / 1.0" 26 01 AM Wed Feb 12 2025 -4F -10F / 100% WNW 21 G 30 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 27 02 AM Wed Feb 12 2025 -5F -11F / 93% WNW 21 G 30 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 28 03 AM Wed Feb 12 2025 -5F -10F / 87% NW 20 G 28 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.05" / 1.0" 29 04 AM Wed Feb 12 2025 -5F -10F / 84% NW 19 G 26 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.05" / 1.0" 30 05 AM Wed Feb 12 2025 -5F -10F / 78% WNW 20 G 29 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 31 06 AM Wed Feb 12 2025 -6F -10F / 86% WNW 20 G 27 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 32 07 AM Wed Feb 12 2025 -6F -11F / 85% WNW 19 G 27 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.05" / 1.0" 33 08 AM Wed Feb 12 2025 -7F -11F / 82% WNW 18 G 26 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 34 09 AM Wed Feb 12 2025 -5F -10F / 84% WNW 19 G 27 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 35 10 AM Wed Feb 12 2025 -2F -8F / 87% WNW 19 G 25 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 36 11 AM Wed Feb 12 2025 0F -7F / 89% WNW 16 G 22 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 37 12 PM Wed Feb 12 2025 2F -6F / 91% WNW 15 G 22 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 38 01 PM Wed Feb 12 2025 3F -4F / 96% WNW 18 G 27 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 39 02 PM Wed Feb 12 2025 4F -3F / 98% WNW 18 G 26 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 40 03 PM Wed Feb 12 2025 4F -3F / 96% WNW 18 G 27 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 41 04 PM Wed Feb 12 2025 3F -3F / 81% WNW 21 G 31 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 42 05 PM Wed Feb 12 2025 3F -3F / 74% WNW 21 G 31 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 43 06 PM Wed Feb 12 2025 0F -5F / 77% WNW 21 G 33 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 44 07 PM Wed Feb 12 2025 -3F -5F / 75% WNW 24 G 38 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 45 08 PM Wed Feb 12 2025 -1F -4F / 70% WNW 26 G 37 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 46 09 PM Wed Feb 12 2025 0F -2F / 72% WNW 25 G 36 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 47 10 PM Wed Feb 12 2025 1F -1F / 64% WNW 27 G 38 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.05" / 1.0" 48 11 PM Wed Feb 12 2025 1F 0F / 69% WNW 26 G 37 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.05" / 1.0"