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 11-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 11 AM Mon Nov 11 2024 37F 33F / 38% S 21 G 41 MPH 7700 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 1 12 PM Mon Nov 11 2024 39F 33F / 37% S 22 G 45 MPH 7900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 2 01 PM Mon Nov 11 2024 40F 32F / 36% S 18 G 41 MPH 8200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 3 02 PM Mon Nov 11 2024 40F 32F / 38% S 17 G 39 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 4 03 PM Mon Nov 11 2024 38F 32F / 39% S 17 G 39 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 5 04 PM Mon Nov 11 2024 36F 31F / 39% S 18 G 39 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 6 05 PM Mon Nov 11 2024 33F 31F / 41% SSE 15 G 34 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 7 06 PM Mon Nov 11 2024 31F 30F / 46% S 18 G 36 MPH 8600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 8 07 PM Mon Nov 11 2024 31F 28F / 49% S 19 G 40 MPH 8500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 9 08 PM Mon Nov 11 2024 31F 27F / 48% S 21 G 42 MPH 8000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 10 09 PM Mon Nov 11 2024 30F 26F / 53% S 20 G 43 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 11 10 PM Mon Nov 11 2024 29F 25F / 55% S 20 G 42 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 11 PM Mon Nov 11 2024 28F 23F / 57% S 23 G 50 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 12 AM Tue Nov 12 2024 28F 23F / 59% SSW 25 G 50 MPH 7200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 14 01 AM Tue Nov 12 2024 26F 21F / 60% SSW 23 G 44 MPH 7000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 15 02 AM Tue Nov 12 2024 25F 20F / 65% S 22 G 43 MPH 6800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 16 03 AM Tue Nov 12 2024 24F 19F / 68% SSW 22 G 42 MPH 6500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 17 04 AM Tue Nov 12 2024 22F 17F / 87% SSW 18 G 33 MPH 6100 FT 11:1 / 9% 0.01" / 0.1" 0.01" / 0.1" 18 05 AM Tue Nov 12 2024 22F 16F / 85% SSW 14 G 29 MPH 6600 FT 11:1 / 9% 0.02" / 0.2" 0.03" / 0.3" 19 06 AM Tue Nov 12 2024 21F 15F / 91% SW 12 G 22 MPH 5800 FT 14:1 / 7% 0.02" / 0.3" 0.05" / 0.6" 20 07 AM Tue Nov 12 2024 20F 14F / 99% W 12 G 20 MPH 5200 FT 12:1 / 8% 0.07" / 0.8" 0.12" / 1.4" 21 08 AM Tue Nov 12 2024 19F 13F / 95% WNW 24 G 35 MPH 4900 FT 13:1 / 8% 0.09" / 1.2" 0.21" / 2.6" 22 09 AM Tue Nov 12 2024 19F 13F / 96% WNW 26 G 41 MPH 4700 FT 13:1 / 8% 0.11" / 1.4" 0.32" / 4.0" 23 10 AM Tue Nov 12 2024 19F 13F / 95% WNW 23 G 37 MPH 4700 FT 17:1 / 6% 0.05" / 0.8" 0.37" / 4.8" 24 11 AM Tue Nov 12 2024 20F 13F / 87% WNW 22 G 34 MPH 4800 FT 16:1 / 6% 0.01" / 0.2" 0.38" / 5.0" 25 12 PM Tue Nov 12 2024 19F 12F / 90% WNW 24 G 36 MPH 5000 FT 15:1 / 7% 0.01" / 0.2" 0.39" / 5.2" 26 01 PM Tue Nov 12 2024 21F 11F / 95% WNW 23 G 35 MPH 5100 FT 15:1 / 7% 0.01" / 0.2" 0.40" / 5.4" 27 02 PM Tue Nov 12 2024 21F 11F / 93% WNW 24 G 35 MPH 5300 FT 16:1 / 6% 0.00" / 0.0" 0.40" / 5.4" 28 03 PM Tue Nov 12 2024 20F 10F / 95% WNW 23 G 34 MPH 5400 FT 16:1 / 6% 0.00" / 0.0" 0.40" / 5.4" 29 04 PM Tue Nov 12 2024 19F 10F / 94% WNW 24 G 37 MPH 5100 FT 17:1 / 6% 0.00" / 0.0" 0.40" / 5.4" 30 05 PM Tue Nov 12 2024 17F 9F / 89% WNW 25 G 38 MPH 5000 FT 18:1 / 6% 0.00" / 0.0" 0.40" / 5.4" 31 06 PM Tue Nov 12 2024 16F 9F / 92% WNW 24 G 39 MPH 5000 FT 18:1 / 6% 0.00" / 0.0" 0.40" / 5.4" 32 07 PM Tue Nov 12 2024 15F 9F / 98% WNW 26 G 41 MPH 5100 FT 14:1 / 7% 0.00" / 0.0" 0.40" / 5.4" 33 08 PM Tue Nov 12 2024 15F 9F / 100% WNW 27 G 39 MPH 5200 FT 14:1 / 7% 0.00" / 0.0" 0.40" / 5.4" 34 09 PM Tue Nov 12 2024 15F 11F / 87% WNW 26 G 37 MPH 5200 FT 12:1 / 8% 0.00" / 0.0" 0.40" / 5.4" 35 10 PM Tue Nov 12 2024 15F 12F / 90% WNW 23 G 33 MPH 5000 FT 12:1 / 8% 0.00" / 0.0" 0.40" / 5.4" 36 11 PM Tue Nov 12 2024 17F 14F / 82% WNW 22 G 31 MPH 4500 FT 10:1 / 10% 0.00" / 0.0" 0.40" / 5.4" 37 12 AM Wed Nov 13 2024 17F 16F / 63% WNW 21 G 30 MPH 4400 FT 9:1 / 11% 0.00" / 0.0" 0.40" / 5.4" 38 01 AM Wed Nov 13 2024 17F 17F / 59% WNW 21 G 31 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.40" / 5.4" 39 02 AM Wed Nov 13 2024 18F 17F / 57% W 20 G 28 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.40" / 5.4" 40 03 AM Wed Nov 13 2024 18F 18F / 54% W 19 G 28 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.40" / 5.4" 41 04 AM Wed Nov 13 2024 19F 18F / 55% W 19 G 26 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.40" / 5.4" 42 05 AM Wed Nov 13 2024 20F 19F / 51% W 18 G 25 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.40" / 5.4" 43 06 AM Wed Nov 13 2024 21F 20F / 52% WSW 19 G 27 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.40" / 5.4" 44 07 AM Wed Nov 13 2024 22F 22F / 48% WSW 19 G 29 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.40" / 5.4" 45 08 AM Wed Nov 13 2024 24F 23F / 45% WSW 21 G 31 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.40" / 5.4" 46 09 AM Wed Nov 13 2024 26F 24F / 42% WSW 20 G 31 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.40" / 5.4" 47 10 AM Wed Nov 13 2024 27F 25F / 45% WSW 20 G 34 MPH 4500 FT 10:1 / 10% 0.00" / 0.0" 0.40" / 5.4" 48 11 AM Wed Nov 13 2024 29F 25F / 42% SW 20 G 35 MPH 4900 FT 8:1 / 12% 0.00" / 0.0" 0.40" / 5.4"