GREAT SALT LAKE-EFFECT FORECAST OUTPUT ************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED AND UNOFFICIAL FORECAST * ************************************************************** CREATED/MAINTAINED BY TREVOR ALCOTT AND JIM STEENBURGH LAST UPDATE: 05:15:48 MDT 2017-09-24 For more on GSL temperatures: http://home.chpc.utah.edu/~u0198116/AVHRR/gsltemp.html 7-DAY MEAN GREAT SALT LAKE TEMPERATURE FROM AVHRR 19.2 C CLIMATOLOGICAL LAKE TEMPERATURE 19.5 C LAKE TEMPERATURE USED IN CALCULATIONS 19.3 C 09-24-2017 06Z NAM12 LAKE-700 FHR VALID TIME WETBULBZERO T700 LAKE-700 EXCESS RH850-700 WIND700 LAPSE700-500 GSLE PROB (%) AFFECTED AREAS 0 SUN 12 AM 7500 FT -3.3 C 22.6 C 2.8 C 97% NNE 6 KT 6.4 C/KM 26% SKULLVALLEY 3 SUN 3 AM 6700 FT -3.3 C 22.6 C 2.8 C 97% NNW 14 KT 6.4 C/KM 40% WEST-SLV OQUIRRHS 6 SUN 6 AM 6500 FT -3.9 C 23.2 C 3.4 C 97% NNW 11 KT 5.9 C/KM 40% OQUIRRHS 9 SUN 9 AM 6700 FT -3.7 C 23.0 C 3.2 C 98% NNW 12 KT 6.2 C/KM 36% OQUIRRHS 12 SUN 12 PM 6600 FT -3.8 C 23.1 C 3.3 C 97% N 12 KT 6.0 C/KM 30% OQUIRRHS TOOELE 15 SUN 3 PM 7200 FT -4.0 C 23.3 C 3.5 C 97% NW 13 KT 5.7 C/KM 26% SLC/COTTONWOODS 18 SUN 6 PM 7100 FT -3.9 C 23.2 C 3.5 C 97% NNW 23 KT 5.8 C/KM 30% WEST-SLV 21 SUN 9 PM 7800 FT -3.6 C 22.9 C 3.3 C 96% NNW 21 KT 5.5 C/KM 40% WEST-SLV OQUIRRHS 24 MON 12 AM 7900 FT -3.6 C 22.9 C 3.2 C 92% NNW 15 KT 5.5 C/KM 40% OQUIRRHS TOOELE 27 MON 3 AM 8000 FT -3.8 C 23.1 C 3.4 C 91% N 12 KT 5.6 C/KM 26% TOOELE 30 MON 6 AM 7800 FT -3.7 C 23.0 C 3.4 C 87% N 10 KT 5.5 C/KM 19% SKULLVALLEY 33 MON 9 AM 7400 FT -4.0 C 23.3 C 3.6 C 80% N 11 KT 5.4 C/KM 17% SKULLVALLEY 36 MON 12 PM 7400 FT -3.4 C 22.7 C 3.0 C 73% NNE 9 KT 5.4 C/KM 8% SKULLVALLEY 39 MON 3 PM 8200 FT -2.0 C 21.3 C 1.7 C 74% ENE 3 KT 5.7 C/KM 1% WEST DESERT 42 MON 6 PM 8500 FT -1.2 C 20.6 C 1.0 C 73% WSW 1 KT 5.7 C/KM 2% OGDEN-NORTH NORTHERN WASATCH 45 MON 9 PM 8500 FT -1.0 C 20.3 C 0.8 C 70% NNE 4 KT 5.5 C/KM 3% SKULLVALLEY 48 TUE 12 AM 8500 FT -0.9 C 20.2 C 0.7 C 66% NE 4 KT 5.3 C/KM 1% WEST DESERT 51 TUE 3 AM 8300 FT -0.7 C 20.0 C 0.5 C 61% SE 4 KT 5.5 C/KM 1% WEST DESERT 54 TUE 6 AM 8100 FT -0.6 C 19.9 C 0.4 C 57% SE 3 KT 5.5 C/KM 1% WEST DESERT 57 TUE 9 AM 8100 FT 0.1 C 19.2 C 0.0 C 54% ESE 5 KT 5.6 C/KM 0% 60 TUE 12 PM 8300 FT 0.9 C 18.5 C 0.0 C 50% SE 9 KT 5.7 C/KM 0% 63 TUE 3 PM 8700 FT 2.2 C 17.1 C 0.0 C 53% SE 10 KT 6.0 C/KM 0% 66 TUE 6 PM 9200 FT 2.8 C 16.5 C 0.0 C 55% SE 9 KT 6.2 C/KM 0% 69 TUE 9 PM 9100 FT 3.2 C 16.1 C 0.0 C 46% SSE 7 KT 6.3 C/KM 0% 72 WED 12 AM 9200 FT 3.3 C 16.0 C 0.0 C 43% SSE 7 KT 6.2 C/KM 0% 75 WED 3 AM 9300 FT 3.8 C 15.5 C 0.0 C 41% SE 8 KT 6.3 C/KM 0% 78 WED 6 AM 8900 FT 4.0 C 15.3 C 0.0 C 39% SSE 7 KT 6.3 C/KM 0% 81 WED 9 AM 8600 FT 4.0 C 15.4 C 0.0 C 32% S 7 KT 6.2 C/KM 0% 84 WED 12 PM 8400 FT 4.3 C 15.0 C 0.0 C 26% SW 7 KT 6.3 C/KM 0% 09-24-2017 06Z GFS LAKE-700 FHR VALID TIME WETBULBZERO T700 LAKE-700 EXCESS RH850-700 WIND700 LAPSE700-500 GSLE PROB (%) AFFECTED AREAS 0 SUN 12 AM 6800 FT -4.5 C 23.8 C 4.0 C 81% N 13 KT 6.1 C/KM 19% SKULLVALLEY 3 SUN 3 AM 6400 FT -4.3 C 23.6 C 3.8 C 85% NE 12 KT 6.3 C/KM 14% WEST DESERT 6 SUN 6 AM 6300 FT -4.1 C 23.4 C 3.6 C 84% ENE 15 KT 6.5 C/KM 14% WEST DESERT 9 SUN 9 AM 6200 FT -4.3 C 23.6 C 3.8 C 86% NE 9 KT 6.4 C/KM 13% WEST DESERT 12 SUN 12 PM 6200 FT -4.7 C 24.0 C 4.2 C 87% N 14 KT 6.3 C/KM 19% SKULLVALLEY 15 SUN 3 PM 6300 FT -4.7 C 24.1 C 4.3 C 88% NNW 12 KT 6.1 C/KM 25% OQUIRRHS TOOELE 18 SUN 6 PM 6500 FT -4.7 C 24.0 C 4.4 C 81% NW 15 KT 5.5 C/KM 29% SLC/COTTONWOODS 21 SUN 9 PM 6700 FT -4.0 C 23.3 C 3.6 C 62% NNW 15 KT 6.0 C/KM 6% OQUIRRHS TOOELE 24 MON 12 AM 6700 FT -4.2 C 23.5 C 3.8 C 55% N 12 KT 5.8 C/KM 4% TOOELE 27 MON 3 AM 6600 FT -4.1 C 23.4 C 3.7 C 54% NNW 10 KT 5.9 C/KM 0% 30 MON 6 AM 6400 FT -4.2 C 23.5 C 3.9 C 55% N 6 KT 5.7 C/KM 4% TOOELE 33 MON 9 AM 6400 FT -4.2 C 23.5 C 3.8 C 53% N 5 KT 5.4 C/KM 0% 36 MON 12 PM 6500 FT -3.6 C 22.9 C 3.2 C 52% NNE 3 KT 5.3 C/KM 0% 39 MON 3 PM 6900 FT -2.9 C 22.2 C 2.5 C 48% N 2 KT 5.1 C/KM 0% 42 MON 6 PM 7000 FT -2.3 C 21.6 C 2.0 C 42% NNW 3 KT 5.1 C/KM 0% 45 MON 9 PM 6800 FT -1.7 C 21.0 C 1.4 C 36% N 7 KT 5.3 C/KM 0% 48 TUE 12 AM 6800 FT -1.1 C 20.4 C 0.8 C 36% NNE 7 KT 5.5 C/KM 0% 51 TUE 3 AM 6900 FT -0.9 C 20.2 C 0.7 C 39% NNE 6 KT 5.7 C/KM 0% 54 TUE 6 AM 7000 FT -1.3 C 20.6 C 1.1 C 44% NE 6 KT 5.6 C/KM 0% 57 TUE 9 AM 7000 FT -1.1 C 20.4 C 0.9 C 44% ENE 6 KT 5.7 C/KM 0% 60 TUE 12 PM 7000 FT -0.6 C 19.9 C 0.4 C 41% E 5 KT 5.7 C/KM 0% 63 TUE 3 PM 7600 FT 0.4 C 18.9 C 0.0 C 39% E 5 KT 6.0 C/KM 0% 66 TUE 6 PM 8100 FT 1.4 C 17.9 C 0.0 C 40% E 6 KT 6.3 C/KM 0% 69 TUE 9 PM 8600 FT 1.6 C 17.7 C 0.0 C 44% SE 6 KT 6.3 C/KM 0% 72 WED 12 AM 9100 FT 1.4 C 17.9 C 0.0 C 46% SE 5 KT 6.2 C/KM 0% 75 WED 3 AM 9100 FT 1.4 C 17.9 C 0.0 C 47% ESE 5 KT 6.0 C/KM 0% 78 WED 6 AM 8900 FT 1.6 C 17.7 C 0.0 C 45% ESE 5 KT 5.9 C/KM 0% 81 WED 9 AM 8500 FT 2.2 C 17.1 C 0.0 C 40% ESE 4 KT 6.2 C/KM 0% 84 WED 12 PM 8400 FT 2.7 C 16.6 C 0.0 C 35% SE 6 KT 6.2 C/KM 0% 87 WED 3 PM 8700 FT 3.4 C 15.9 C 0.0 C 34% SSE 7 KT 6.4 C/KM 0% 90 WED 6 PM 9100 FT 4.3 C 15.0 C 0.0 C 35% SSE 6 KT 6.5 C/KM 0% 93 WED 9 PM 9700 FT 4.4 C 14.9 C 0.0 C 39% SSE 8 KT 6.5 C/KM 0% 96 THU 12 AM 9900 FT 4.3 C 15.0 C 0.0 C 39% SSE 5 KT 6.4 C/KM 0% 99 THU 3 AM 9700 FT 4.4 C 14.9 C 0.0 C 38% SE 4 KT 6.3 C/KM 0% 102 THU 6 AM 9700 FT 4.6 C 14.7 C 0.0 C 35% E 4 KT 6.3 C/KM 0% 105 THU 9 AM 9700 FT 4.4 C 14.9 C 0.0 C 34% ESE 5 KT 6.1 C/KM 0% 108 THU 12 PM 10000 FT 4.6 C 14.7 C 0.0 C 34% SSE 7 KT 5.9 C/KM 0% 111 THU 3 PM 10000 FT 5.0 C 14.3 C 0.0 C 35% ESE 4 KT 6.2 C/KM 0% 114 THU 6 PM 10500 FT 5.4 C 13.9 C 0.0 C 38% E 5 KT 6.4 C/KM 0% 117 THU 9 PM 10800 FT 5.3 C 14.0 C 0.0 C 41% NNE 4 KT 6.3 C/KM 0% 120 FRI 12 AM 11100 FT 5.2 C 14.1 C 0.0 C 42% NE 5 KT 6.2 C/KM 0% 123 FRI 3 AM 10700 FT 5.2 C 14.1 C 0.0 C 43% ENE 3 KT 6.2 C/KM 0% 126 FRI 6 AM 10300 FT 5.0 C 14.3 C 0.0 C 48% NE 3 KT 6.0 C/KM 0% 129 FRI 9 AM 9900 FT 4.6 C 14.7 C 0.0 C 51% NNE 3 KT 5.9 C/KM 0% 132 FRI 12 PM 9900 FT 4.8 C 14.5 C 0.0 C 51% NNE 3 KT 5.9 C/KM 0% 135 FRI 3 PM 10100 FT 5.4 C 13.9 C 0.0 C 47% N 2 KT 6.2 C/KM 0% 138 FRI 6 PM 10200 FT 5.5 C 13.8 C 0.0 C 42% N 3 KT 6.3 C/KM 0% 141 FRI 9 PM 9900 FT 6.0 C 13.3 C 0.0 C 38% NW 3 KT 6.4 C/KM 0% 144 SAT 12 AM 9300 FT 5.9 C 13.5 C 0.0 C 31% WNW 7 KT 6.4 C/KM 0% 147 SAT 3 AM 9700 FT 5.0 C 14.3 C 0.0 C 31% W 9 KT 6.1 C/KM 0% 150 SAT 6 AM 9800 FT 4.2 C 15.1 C 0.0 C 37% WNW 11 KT 5.8 C/KM 0% 153 SAT 9 AM 9500 FT 4.0 C 15.3 C 0.0 C 35% WNW 12 KT 5.8 C/KM 0% 156 SAT 12 PM 9600 FT 4.1 C 15.2 C 0.0 C 35% WNW 11 KT 5.9 C/KM 0% 159 SAT 3 PM 9600 FT 4.7 C 14.6 C 0.0 C 34% W 12 KT 6.2 C/KM 0% 162 SAT 6 PM 9400 FT 5.6 C 13.8 C 0.0 C 28% WNW 13 KT 6.2 C/KM 0% 165 SAT 9 PM 10500 FT 6.3 C 13.0 C 0.0 C 25% NW 15 KT 6.1 C/KM 0% 168 SUN 12 AM 10700 FT 6.6 C 12.7 C 0.0 C 26% WNW 15 KT 5.9 C/KM 0% 171 SUN 3 AM 10700 FT 6.4 C 12.9 C 0.0 C 27% WNW 14 KT 5.4 C/KM 0% 174 SUN 6 AM 10800 FT 6.5 C 12.8 C 0.0 C 27% W 11 KT 5.5 C/KM 0% 177 SUN 9 AM 10600 FT 6.7 C 12.6 C 0.0 C 27% WSW 13 KT 5.5 C/KM 0% 180 SUN 12 PM 10500 FT 7.3 C 12.1 C 0.0 C 25% SW 15 KT 5.7 C/KM 0%