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 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 11 PM Sun Nov 17 2024 26F 23F / 75% WSW 14 G 23 MPH 4900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 1 12 AM Mon Nov 18 2024 25F 23F / 70% WSW 16 G 26 MPH 4800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 2 01 AM Mon Nov 18 2024 25F 22F / 78% WSW 18 G 31 MPH 4800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 3 02 AM Mon Nov 18 2024 27F 22F / 97% W 23 G 38 MPH 7300 FT 6:1 / 17% 0.06" / 0.4" 0.06" / 0.4" 4 03 AM Mon Nov 18 2024 27F 22F / 93% W 24 G 39 MPH 7000 FT 7:1 / 14% 0.00" / 0.0" 0.06" / 0.4" 5 04 AM Mon Nov 18 2024 25F 21F / 90% WSW 23 G 36 MPH 4600 FT 9:1 / 11% 0.00" / 0.0" 0.06" / 0.4" 6 05 AM Mon Nov 18 2024 24F 20F / 81% WSW 23 G 37 MPH 4600 FT 9:1 / 11% 0.00" / 0.0" 0.06" / 0.4" 7 06 AM Mon Nov 18 2024 23F 19F / 80% WSW 24 G 40 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.06" / 0.4" 8 07 AM Mon Nov 18 2024 23F 19F / 70% WSW 26 G 42 MPH 6200 FT 10:1 / 10% 0.00" / 0.0" 0.06" / 0.4" 9 08 AM Mon Nov 18 2024 23F 17F / 82% WSW 27 G 46 MPH 6200 FT 11:1 / 9% 0.00" / 0.0" 0.06" / 0.4" 10 09 AM Mon Nov 18 2024 22F 16F / 82% WSW 21 G 34 MPH 5800 FT 11:1 / 9% 0.00" / 0.0" 0.06" / 0.4" 11 10 AM Mon Nov 18 2024 22F 14F / 87% W 22 G 39 MPH 5000 FT 13:1 / 8% 0.00" / 0.0" 0.06" / 0.4" 12 11 AM Mon Nov 18 2024 18F 10F / 92% W 20 G 33 MPH 4500 FT 16:1 / 6% 0.03" / 0.5" 0.09" / 0.9" 13 12 PM Mon Nov 18 2024 16F 8F / 93% W 19 G 32 MPH 4700 FT 18:1 / 6% 0.09" / 1.6" 0.18" / 2.5" 14 01 PM Mon Nov 18 2024 17F 8F / 93% W 21 G 36 MPH ≤ KSLC 17:1 / 6% 0.04" / 0.7" 0.22" / 3.2" 15 02 PM Mon Nov 18 2024 16F 6F / 93% W 25 G 37 MPH ≤ KSLC 18:1 / 6% 0.01" / 0.2" 0.23" / 3.4" 16 03 PM Mon Nov 18 2024 16F 5F / 89% W 25 G 38 MPH ≤ KSLC 19:1 / 5% 0.02" / 0.4" 0.25" / 3.8" 17 04 PM Mon Nov 18 2024 13F 4F / 94% W 21 G 35 MPH ≤ KSLC 20:1 / 5% 0.02" / 0.4" 0.27" / 4.2" 18 05 PM Mon Nov 18 2024 12F 3F / 88% WNW 22 G 36 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.27" / 4.2" 19 06 PM Mon Nov 18 2024 9F 1F / 92% W 22 G 34 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.27" / 4.2" 20 07 PM Mon Nov 18 2024 8F 1F / 85% WNW 24 G 36 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.27" / 4.2" 21 08 PM Mon Nov 18 2024 7F 0F / 86% WNW 23 G 34 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.27" / 4.2" 22 09 PM Mon Nov 18 2024 6F 0F / 84% WNW 23 G 33 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.27" / 4.2" 23 10 PM Mon Nov 18 2024 6F 0F / 83% WNW 22 G 32 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.27" / 4.2" 24 11 PM Mon Nov 18 2024 5F 0F / 89% WNW 21 G 32 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.27" / 4.2" 25 12 AM Tue Nov 19 2024 4F 0F / 91% W 22 G 34 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.27" / 4.2" 26 01 AM Tue Nov 19 2024 6F 0F / 89% W 20 G 30 MPH ≤ KSLC 22:1 / 5% 0.00" / 0.0" 0.27" / 4.2" 27 02 AM Tue Nov 19 2024 5F 0F / 86% W 21 G 32 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.27" / 4.2" 28 03 AM Tue Nov 19 2024 6F 0F / 94% W 20 G 31 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.27" / 4.2" 29 04 AM Tue Nov 19 2024 6F 0F / 94% WNW 21 G 31 MPH ≤ KSLC 19:1 / 5% 0.01" / 0.2" 0.28" / 4.4" 30 05 AM Tue Nov 19 2024 6F 0F / 90% WNW 21 G 33 MPH ≤ KSLC 20:1 / 5% 0.01" / 0.2" 0.29" / 4.6" 31 06 AM Tue Nov 19 2024 5F 0F / 81% WNW 22 G 31 MPH ≤ KSLC 18:1 / 6% 0.02" / 0.4" 0.31" / 5.0" 32 07 AM Tue Nov 19 2024 5F 0F / 90% WNW 21 G 31 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.31" / 5.0" 33 08 AM Tue Nov 19 2024 5F 0F / 92% WNW 22 G 32 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.31" / 5.0" 34 09 AM Tue Nov 19 2024 7F 0F / 87% WNW 22 G 32 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.31" / 5.0" 35 10 AM Tue Nov 19 2024 9F 2F / 85% WNW 22 G 31 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.31" / 5.0" 36 11 AM Tue Nov 19 2024 12F 3F / 76% WNW 18 G 28 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.31" / 5.0" 37 12 PM Tue Nov 19 2024 14F 6F / 71% WNW 18 G 26 MPH ≤ KSLC 20:1 / 5% 0.00" / 0.0" 0.31" / 5.0" 38 01 PM Tue Nov 19 2024 15F 7F / 65% WNW 19 G 26 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.31" / 5.0" 39 02 PM Tue Nov 19 2024 17F 8F / 66% W 17 G 26 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.31" / 5.0" 40 03 PM Tue Nov 19 2024 16F 9F / 62% W 17 G 25 MPH ≤ KSLC 19:1 / 5% 0.00" / 0.0" 0.31" / 5.0" 41 04 PM Tue Nov 19 2024 15F 10F / 62% W 19 G 28 MPH ≤ KSLC 18:1 / 6% 0.00" / 0.0" 0.31" / 5.0" 42 05 PM Tue Nov 19 2024 14F 10F / 56% WNW 20 G 29 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.31" / 5.0" 43 06 PM Tue Nov 19 2024 13F 10F / 53% W 21 G 31 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.31" / 5.0" 44 07 PM Tue Nov 19 2024 12F 11F / 51% W 21 G 30 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.31" / 5.0" 45 08 PM Tue Nov 19 2024 13F 11F / 52% W 21 G 29 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.31" / 5.0" 46 09 PM Tue Nov 19 2024 14F 13F / 51% WSW 22 G 31 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.31" / 5.0" 47 10 PM Tue Nov 19 2024 15F 13F / 50% WSW 23 G 33 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.31" / 5.0" 48 11 PM Tue Nov 19 2024 16F 15F / 50% WSW 24 G 37 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.31" / 5.0"