GREAT SALT LAKE-EFFECT FORECAST OUTPUT ************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED AND UNOFFICIAL FORECAST * ************************************************************** CREATED/MAINTAINED BY TREVOR ALCOTT AND JIM STEENBURGH LAST UPDATE: 05:06:15 MST 2019-12-15 For more on GSL temperatures: http://home.chpc.utah.edu/~u0198116/AVHRR/gsltemp.html 7-DAY MEAN GREAT SALT LAKE TEMPERATURE FROM AVHRR 1.9 C CLIMATOLOGICAL LAKE TEMPERATURE 2.5 C LAKE TEMPERATURE USED IN CALCULATIONS 2.2 C 12-15-2019 06Z NAM12 LAKE-700 FHR VALID TIME WETBULBZERO T700 LAKE-700 EXCESS RH850-700 WIND700 LAPSE700-500 GSLE PROB (%) AFFECTED AREAS 0 SAT 11 PM 0 FT -11.4 C 13.6 C 0.0 C 82% WSW 5 KT 7.2 C/KM 0% 3 SUN 2 AM 0 FT -11.2 C 13.5 C 0.0 C 77% WNW 6 KT 7.4 C/KM 0% 6 SUN 5 AM 0 FT -11.6 C 13.8 C 0.0 C 73% NNW 7 KT 7.2 C/KM 0% 9 SUN 8 AM 0 FT -12.3 C 14.5 C 0.5 C 69% NNE 4 KT 7.1 C/KM 2% SKULLVALLEY 12 SUN 11 AM 0 FT -12.7 C 14.9 C 0.9 C 78% NW 3 KT 7.2 C/KM 5% SLC/COTTONWOODS 15 SUN 2 PM 0 FT -14.0 C 16.2 C 2.2 C 83% NW 11 KT 6.8 C/KM 29% SLC/COTTONWOODS 18 SUN 5 PM 0 FT -14.8 C 17.0 C 3.1 C 88% NNW 15 KT 6.5 C/KM 29% WEST-SLV 21 SUN 8 PM 0 FT -15.3 C 17.5 C 3.6 C 95% NNW 15 KT 6.6 C/KM 40% WEST-SLV 24 SUN 11 PM 0 FT -15.6 C 17.8 C 3.9 C 89% NW 14 KT 7.2 C/KM 29% SLC/COTTONWOODS 27 MON 2 AM 0 FT -16.1 C 18.3 C 4.4 C 92% NW 14 KT 7.4 C/KM 65% SLC/COTTONWOODS 30 MON 5 AM 0 FT -16.3 C 18.5 C 4.6 C 92% NNW 14 KT 7.6 C/KM 65% WEST-SLV OQUIRRHS 33 MON 8 AM 0 FT -16.8 C 19.0 C 5.1 C 91% NNW 12 KT 7.3 C/KM 65% WEST-SLV OQUIRRHS 36 MON 11 AM 0 FT -16.9 C 19.1 C 5.2 C 89% NNW 10 KT 5.4 C/KM 38% WEST-SLV OQUIRRHS 39 MON 2 PM 0 FT -16.7 C 19.0 C 5.0 C 76% NNW 9 KT 5.4 C/KM 24% WEST-SLV OQUIRRHS 42 MON 5 PM 0 FT -16.2 C 18.4 C 4.5 C 68% N 11 KT 6.1 C/KM 7% TOOELE 45 MON 8 PM 0 FT -15.8 C 18.1 C 4.2 C 71% N 10 KT 6.0 C/KM 16% SKULLVALLEY 48 MON 11 PM 0 FT -14.8 C 17.0 C 3.1 C 68% NNE 13 KT 4.7 C/KM 4% SKULLVALLEY 51 TUE 2 AM 0 FT -11.6 C 13.9 C 0.0 C 62% NNE 15 KT 5.5 C/KM 0% 54 TUE 5 AM 0 FT -10.7 C 13.0 C 0.0 C 55% NE 11 KT 5.6 C/KM 0% 57 TUE 8 AM 0 FT -9.0 C 11.2 C 0.0 C 49% NE 12 KT 6.2 C/KM 0% 60 TUE 11 AM 0 FT -5.9 C 8.1 C 0.0 C 40% ENE 11 KT 7.3 C/KM 0% 63 TUE 2 PM 0 FT -5.2 C 7.4 C 0.0 C 42% ESE 7 KT 7.4 C/KM 0% 66 TUE 5 PM 0 FT -4.3 C 6.5 C 0.0 C 40% S 8 KT 7.4 C/KM 0% 69 TUE 8 PM 0 FT -3.7 C 6.0 C 0.0 C 37% S 11 KT 7.4 C/KM 0% 72 TUE 11 PM 0 FT -2.9 C 5.1 C 0.0 C 17% S 16 KT 7.6 C/KM 0% 75 WED 2 AM 0 FT -2.6 C 4.8 C 0.0 C 13% S 24 KT 7.1 C/KM 0% 78 WED 5 AM 0 FT -3.6 C 5.8 C 0.0 C 13% S 29 KT 6.3 C/KM 0% 81 WED 8 AM 0 FT -4.9 C 7.1 C 0.0 C 15% S 28 KT 5.5 C/KM 0% 84 WED 11 AM 0 FT -6.0 C 8.2 C 0.0 C 18% SSW 22 KT 5.5 C/KM 0% 12-15-2019 06Z GFS LAKE-700 FHR VALID TIME WETBULBZERO T700 LAKE-700 EXCESS RH850-700 WIND700 LAPSE700-500 GSLE PROB (%) AFFECTED AREAS 0 SAT 11 PM 0 FT -11.6 C 13.8 C 0.0 C 69% WNW 8 KT 7.1 C/KM 0% 3 SUN 2 AM 0 FT -11.4 C 13.6 C 0.0 C 64% WNW 8 KT 7.2 C/KM 0% 6 SUN 5 AM 0 FT -11.4 C 13.6 C 0.0 C 59% NW 9 KT 7.3 C/KM 0% 9 SUN 8 AM 0 FT -11.7 C 13.9 C 0.0 C 59% NNW 7 KT 7.4 C/KM 0% 12 SUN 11 AM 0 FT -12.7 C 14.9 C 0.9 C 73% WNW 5 KT 7.2 C/KM 4% BOUNTIFUL 15 SUN 2 PM 0 FT -13.6 C 15.8 C 1.8 C 76% WNW 12 KT 7.1 C/KM 4% BOUNTIFUL 18 SUN 5 PM 0 FT -14.5 C 16.7 C 2.8 C 86% WNW 16 KT 6.8 C/KM 22% BOUNTIFUL 21 SUN 8 PM 0 FT -15.1 C 17.3 C 3.4 C 87% NW 13 KT 7.4 C/KM 29% SLC/COTTONWOODS 24 SUN 11 PM 0 FT -15.1 C 17.3 C 3.3 C 90% NW 11 KT 7.7 C/KM 29% SLC/COTTONWOODS 27 MON 2 AM 0 FT -15.6 C 17.8 C 3.8 C 87% WNW 12 KT 7.8 C/KM 22% BOUNTIFUL 30 MON 5 AM 0 FT -15.9 C 18.1 C 4.2 C 88% NW 13 KT 7.7 C/KM 38% SLC/COTTONWOODS 33 MON 8 AM 0 FT -16.1 C 18.3 C 4.4 C 85% NNW 12 KT 5.7 C/KM 38% WEST-SLV 36 MON 11 AM 0 FT -16.2 C 18.4 C 4.5 C 85% NW 8 KT 5.1 C/KM 38% SLC/COTTONWOODS 39 MON 2 PM 0 FT -16.5 C 18.7 C 4.8 C 80% WNW 9 KT 4.2 C/KM 18% BOUNTIFUL OGDEN 42 MON 5 PM 0 FT -15.2 C 17.4 C 3.5 C 70% NW 12 KT 4.2 C/KM 17% SLC/COTTONWOODS 45 MON 8 PM 0 FT -13.2 C 15.5 C 1.6 C 61% NNW 15 KT 4.6 C/KM 2% OQUIRRHS TOOELE 48 MON 11 PM 0 FT -10.5 C 12.7 C 0.0 C 54% N 10 KT 5.7 C/KM 0% 51 TUE 2 AM 0 FT -8.8 C 11.0 C 0.0 C 47% N 13 KT 6.2 C/KM 0% 54 TUE 5 AM 0 FT -7.3 C 9.5 C 0.0 C 39% NNW 13 KT 6.5 C/KM 0% 57 TUE 8 AM 0 FT -6.1 C 8.3 C 0.0 C 33% NNW 9 KT 6.7 C/KM 0% 60 TUE 11 AM 0 FT -5.4 C 7.6 C 0.0 C 27% NW 3 KT 6.2 C/KM 0% 63 TUE 2 PM 0 FT -4.2 C 6.4 C 0.0 C 29% WSW 5 KT 6.0 C/KM 0% 66 TUE 5 PM 0 FT -3.2 C 5.4 C 0.0 C 23% SW 8 KT 6.2 C/KM 0% 69 TUE 8 PM 0 FT -2.8 C 5.0 C 0.0 C 23% SSW 13 KT 6.1 C/KM 0% 72 TUE 11 PM 0 FT -2.3 C 4.5 C 0.0 C 28% SSW 18 KT 6.2 C/KM 0% 75 WED 2 AM 0 FT -2.1 C 4.3 C 0.0 C 25% SSW 22 KT 6.4 C/KM 0% 78 WED 5 AM 0 FT -1.5 C 3.7 C 0.0 C 17% SSW 26 KT 7.0 C/KM 0% 81 WED 8 AM 0 FT -1.2 C 3.4 C 0.0 C 14% SSW 30 KT 7.8 C/KM 0% 84 WED 11 AM 0 FT -2.5 C 4.7 C 0.0 C 15% SSW 32 KT 7.4 C/KM 0% 87 WED 2 PM 0 FT -4.9 C 7.1 C 0.0 C 18% SSW 38 KT 7.1 C/KM 0% 90 WED 5 PM 0 FT -6.4 C 8.6 C 0.0 C 29% SW 25 KT 7.1 C/KM 0% 93 WED 8 PM 0 FT -7.2 C 9.4 C 0.0 C 37% WSW 17 KT 7.8 C/KM 0% 96 WED 11 PM 0 FT -8.7 C 10.9 C 0.0 C 41% WSW 17 KT 7.5 C/KM 0% 99 THU 2 AM 0 FT -9.3 C 11.5 C 0.0 C 55% WNW 17 KT 7.0 C/KM 0% 102 THU 5 AM 0 FT -9.8 C 12.0 C 0.0 C 60% WNW 22 KT 6.2 C/KM 0% 105 THU 8 AM 0 FT -9.9 C 12.1 C 0.0 C 71% WNW 21 KT 5.5 C/KM 0% 108 THU 11 AM 0 FT -9.2 C 11.4 C 0.0 C 70% W 20 KT 5.1 C/KM 0% 111 THU 2 PM 4300 FT -8.2 C 10.4 C 0.0 C 61% W 21 KT 5.3 C/KM 0% 114 THU 5 PM 0 FT -6.2 C 8.4 C 0.0 C 52% W 22 KT 6.0 C/KM 0% 117 THU 8 PM 0 FT -7.4 C 9.6 C 0.0 C 49% WSW 23 KT 5.6 C/KM 0% 120 THU 11 PM 0 FT -6.3 C 8.5 C 0.0 C 44% W 23 KT 5.6 C/KM 0% 123 FRI 2 AM 0 FT -6.9 C 9.1 C 0.0 C 45% WSW 18 KT 4.7 C/KM 0% 126 FRI 5 AM 0 FT -6.0 C 8.2 C 0.0 C 44% WSW 18 KT 5.6 C/KM 0% 129 FRI 8 AM 0 FT -5.3 C 7.5 C 0.0 C 44% WSW 17 KT 5.2 C/KM 0% 132 FRI 11 AM 4300 FT -3.8 C 6.0 C 0.0 C 38% WSW 19 KT 5.7 C/KM 0% 135 FRI 2 PM 5100 FT -2.3 C 4.5 C 0.0 C 34% WSW 23 KT 5.9 C/KM 0% 138 FRI 5 PM 5200 FT -1.2 C 3.4 C 0.0 C 28% W 19 KT 6.3 C/KM 0% 141 FRI 8 PM 5200 FT -0.2 C 2.4 C 0.0 C 26% W 12 KT 6.6 C/KM 0% 144 FRI 11 PM 5100 FT 0.7 C 1.5 C 0.0 C 25% SW 11 KT 6.7 C/KM 0% 147 SAT 2 AM 0 FT 1.7 C 0.5 C 0.0 C 22% SSW 22 KT 7.0 C/KM 0% 150 SAT 5 AM 0 FT 1.4 C 0.8 C 0.0 C 21% SSW 33 KT 6.6 C/KM 0% 153 SAT 8 AM 0 FT 1.5 C 0.7 C 0.0 C 18% SW 32 KT 6.5 C/KM 0% 156 SAT 11 AM 4700 FT 1.7 C 0.5 C 0.0 C 18% SW 35 KT 6.5 C/KM 0% 159 SAT 2 PM 5400 FT 2.1 C 0.1 C 0.0 C 19% SW 36 KT 6.7 C/KM 0% 162 SAT 5 PM 6600 FT 2.9 C -0.7 C 0.0 C 18% SW 35 KT 6.8 C/KM 0% 165 SAT 8 PM 7000 FT 2.6 C -0.4 C 0.0 C 18% SW 36 KT 6.7 C/KM 0% 168 SAT 11 PM 7100 FT 2.6 C -0.4 C 0.0 C 16% SW 38 KT 7.1 C/KM 0% 171 SUN 2 AM 6600 FT 2.1 C 0.1 C 0.0 C 15% SSW 40 KT 7.4 C/KM 0% 174 SUN 5 AM 6000 FT 0.9 C 1.3 C 0.0 C 17% SSW 38 KT 7.4 C/KM 0% 177 SUN 8 AM 6300 FT 0.5 C 1.7 C 0.0 C 17% SSW 41 KT 7.9 C/KM 0% 180 SUN 11 AM 6500 FT -0.1 C 2.4 C 0.0 C 17% SW 39 KT 7.8 C/KM 0%