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 12Z 18-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 05 AM Mon Nov 18 2024 24F 19F / 87% W 22 G 35 MPH 5100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 06 AM Mon Nov 18 2024 22F 18F / 77% WSW 27 G 42 MPH 5000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 2 07 AM Mon Nov 18 2024 22F 18F / 74% W 25 G 41 MPH 5000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 3 08 AM Mon Nov 18 2024 23F 17F / 83% WSW 27 G 46 MPH 6100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 4 09 AM Mon Nov 18 2024 23F 15F / 83% WSW 26 G 44 MPH 5900 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 5 10 AM Mon Nov 18 2024 21F 13F / 95% W 24 G 40 MPH 5100 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 6 11 AM Mon Nov 18 2024 18F 10F / 94% W 23 G 40 MPH 4600 FT 15:1 / 7% 0.01" / 0.2" 0.01" / 0.2" 7 12 PM Mon Nov 18 2024 18F 9F / 88% W 22 G 36 MPH 4700 FT 17:1 / 6% 0.01" / 0.2" 0.02" / 0.4" 8 01 PM Mon Nov 18 2024 17F 8F / 89% W 23 G 36 MPH 4300 FT 17:1 / 6% 0.00" / 0.0" 0.02" / 0.4" 9 02 PM Mon Nov 18 2024 16F 6F / 88% W 24 G 39 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.02" / 0.4" 10 03 PM Mon Nov 18 2024 16F 6F / 92% W 26 G 39 MPH ≤ KSLC 18:1 / 6% 0.01" / 0.2" 0.03" / 0.6" 11 04 PM Mon Nov 18 2024 15F 6F / 90% WNW 23 G 38 MPH ≤ KSLC 17:1 / 6% 0.03" / 0.5" 0.06" / 1.1" 12 05 PM Mon Nov 18 2024 12F 3F / 96% W 23 G 34 MPH ≤ KSLC 17:1 / 6% 0.01" / 0.2" 0.07" / 1.3" 13 06 PM Mon Nov 18 2024 11F 3F / 85% WNW 22 G 36 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.07" / 1.3" 14 07 PM Mon Nov 18 2024 9F 2F / 83% WNW 23 G 35 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.07" / 1.3" 15 08 PM Mon Nov 18 2024 8F 1F / 83% WNW 22 G 35 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.07" / 1.3" 16 09 PM Mon Nov 18 2024 7F 1F / 92% WNW 23 G 32 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 17 10 PM Mon Nov 18 2024 8F 1F / 93% WNW 24 G 35 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.07" / 1.3" 18 11 PM Mon Nov 18 2024 6F 0F / 94% WNW 22 G 32 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 19 12 AM Tue Nov 19 2024 7F 0F / 92% WNW 19 G 29 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 20 01 AM Tue Nov 19 2024 5F 0F / 94% W 22 G 34 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.07" / 1.3" 21 02 AM Tue Nov 19 2024 6F 0F / 89% WNW 21 G 32 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.07" / 1.3" 22 03 AM Tue Nov 19 2024 6F 0F / 87% WNW 20 G 30 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 23 04 AM Tue Nov 19 2024 4F 0F / 95% W 18 G 28 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.07" / 1.3" 24 05 AM Tue Nov 19 2024 6F 0F / 97% W 20 G 29 MPH ≤ KSLC 19:1 / 5% 0.01" / 0.2" 0.08" / 1.5" 25 06 AM Tue Nov 19 2024 5F 0F / 98% W 21 G 33 MPH ≤ KSLC 18:1 / 6% 0.05" / 0.9" 0.13" / 2.4" 26 07 AM Tue Nov 19 2024 6F 0F / 94% WNW 21 G 31 MPH ≤ KSLC 17:1 / 6% 0.04" / 0.7" 0.17" / 3.1" 27 08 AM Tue Nov 19 2024 5F 0F / 94% WNW 22 G 34 MPH ≤ KSLC 16:1 / 6% 0.01" / 0.2" 0.18" / 3.3" 28 09 AM Tue Nov 19 2024 5F 0F / 87% WNW 24 G 36 MPH ≤ KSLC 15:1 / 7% 0.01" / 0.2" 0.19" / 3.5" 29 10 AM Tue Nov 19 2024 8F 0F / 93% WNW 24 G 34 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.19" / 3.5" 30 11 AM Tue Nov 19 2024 10F 0F / 99% W 24 G 36 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.19" / 3.5" 31 12 PM Tue Nov 19 2024 12F 1F / 93% W 22 G 33 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.19" / 3.5" 32 01 PM Tue Nov 19 2024 13F 3F / 85% W 21 G 32 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.19" / 3.5" 33 02 PM Tue Nov 19 2024 14F 4F / 79% W 20 G 29 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.19" / 3.5" 34 03 PM Tue Nov 19 2024 14F 5F / 70% WNW 20 G 27 MPH ≤ KSLC 21:1 / 5% 0.00" / 0.0" 0.19" / 3.5" 35 04 PM Tue Nov 19 2024 11F 6F / 63% W 17 G 25 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.19" / 3.5" 36 05 PM Tue Nov 19 2024 11F 6F / 63% W 16 G 21 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.19" / 3.5" 37 06 PM Tue Nov 19 2024 11F 9F / 56% W 19 G 28 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.19" / 3.5" 38 07 PM Tue Nov 19 2024 10F 9F / 57% W 20 G 28 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.19" / 3.5" 39 08 PM Tue Nov 19 2024 11F 10F / 56% W 20 G 28 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.19" / 3.5" 40 09 PM Tue Nov 19 2024 13F 12F / 54% W 19 G 28 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.19" / 3.5" 41 10 PM Tue Nov 19 2024 14F 13F / 51% WSW 19 G 28 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.19" / 3.5" 42 11 PM Tue Nov 19 2024 15F 14F / 51% WSW 20 G 31 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.19" / 3.5" 43 12 AM Wed Nov 20 2024 15F 14F / 47% SW 21 G 35 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.19" / 3.5" 44 01 AM Wed Nov 20 2024 16F 15F / 47% SW 22 G 35 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.19" / 3.5" 45 02 AM Wed Nov 20 2024 17F 16F / 49% SW 23 G 36 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.19" / 3.5" 46 03 AM Wed Nov 20 2024 18F 16F / 50% SW 24 G 39 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.19" / 3.5" 47 04 AM Wed Nov 20 2024 19F 18F / 47% SW 25 G 43 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.19" / 3.5" 48 05 AM Wed Nov 20 2024 19F 18F / 43% SW 26 G 43 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.19" / 3.5"