GREAT SALT LAKE-EFFECT FORECAST OUTPUT ************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED AND UNOFFICIAL FORECAST * ************************************************************** CREATED/MAINTAINED BY TREVOR ALCOTT AND JIM STEENBURGH LAST UPDATE: 23:06:14 MST 2020-02-22 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 4.0 C LAKE TEMPERATURE USED IN CALCULATIONS 3.0 C 02-23-2020 00Z NAM12 LAKE-700 FHR VALID TIME WETBULBZERO T700 LAKE-700 EXCESS RH850-700 WIND700 LAPSE700-500 GSLE PROB (%) AFFECTED AREAS 0 SAT 5 PM 7000 FT -1.3 C 4.2 C 0.0 C 42% NE 6 KT 7.6 C/KM 0% 3 SAT 8 PM 5300 FT -1.1 C 4.0 C 0.0 C 39% NE 11 KT 7.5 C/KM 0% 6 SAT 11 PM 6200 FT -1.7 C 4.6 C 0.0 C 41% NE 17 KT 7.2 C/KM 0% 9 SUN 2 AM 0 FT -1.7 C 4.7 C 0.0 C 43% NE 17 KT 7.2 C/KM 0% 12 SUN 5 AM 0 FT -2.3 C 5.3 C 0.0 C 46% NNE 19 KT 7.1 C/KM 0% 15 SUN 8 AM 0 FT -2.5 C 5.5 C 0.0 C 48% NNE 16 KT 7.1 C/KM 0% 18 SUN 11 AM 0 FT -3.4 C 6.3 C 0.0 C 49% N 15 KT 6.8 C/KM 0% 21 SUN 2 PM 5300 FT -3.8 C 6.8 C 0.0 C 44% NW 20 KT 6.6 C/KM 0% 24 SUN 5 PM 5600 FT -4.2 C 7.1 C 0.0 C 44% NW 25 KT 6.7 C/KM 0% 27 SUN 8 PM 5700 FT -4.8 C 7.7 C 0.0 C 43% W 23 KT 6.4 C/KM 0% 30 SUN 11 PM 5400 FT -7.1 C 10.1 C 0.0 C 66% WNW 31 KT 6.2 C/KM 0% 33 MON 2 AM 0 FT -11.4 C 14.4 C 0.0 C 95% NW 31 KT 4.8 C/KM 0% 36 MON 5 AM 0 FT -16.2 C 19.1 C 4.2 C 86% NW 31 KT 2.8 C/KM 38% SLC/COTTONWOODS 39 MON 8 AM 0 FT -16.6 C 19.6 C 4.7 C 90% NW 24 KT 2.8 C/KM 65% SLC/COTTONWOODS 42 MON 11 AM 0 FT -17.1 C 20.0 C 5.1 C 89% NW 17 KT 2.8 C/KM 38% SLC/COTTONWOODS 45 MON 2 PM 0 FT -16.8 C 19.7 C 4.8 C 80% NW 21 KT 3.0 C/KM 38% SLC/COTTONWOODS 48 MON 5 PM 0 FT -15.9 C 18.9 C 3.9 C 80% NW 25 KT 3.4 C/KM 29% SLC/COTTONWOODS 51 MON 8 PM 0 FT -15.5 C 18.5 C 3.5 C 75% NW 25 KT 3.8 C/KM 17% SLC/COTTONWOODS 54 MON 11 PM 0 FT -15.2 C 18.1 C 3.1 C 76% NW 22 KT 3.9 C/KM 17% SLC/COTTONWOODS 57 TUE 2 AM 0 FT -15.5 C 18.5 C 3.5 C 74% NW 24 KT 3.0 C/KM 17% SLC/COTTONWOODS 60 TUE 5 AM 0 FT -15.9 C 18.9 C 3.9 C 74% NNW 24 KT 2.4 C/KM 17% WEST-SLV OQUIRRHS 63 TUE 8 AM 0 FT -16.0 C 19.0 C 4.0 C 79% NNW 26 KT 2.1 C/KM 24% OQUIRRHS 66 TUE 11 AM 0 FT -13.2 C 16.1 C 1.1 C 72% N 29 KT 3.1 C/KM 3% TOOELE 69 TUE 2 PM 0 FT -11.5 C 14.5 C 0.0 C 69% N 24 KT 3.7 C/KM 0% 72 TUE 5 PM 0 FT -10.2 C 13.1 C 0.0 C 64% N 25 KT 4.4 C/KM 0% 75 TUE 8 PM 0 FT -8.4 C 11.3 C 0.0 C 58% N 26 KT 5.4 C/KM 0% 78 TUE 11 PM 0 FT -7.0 C 10.0 C 0.0 C 50% N 22 KT 5.9 C/KM 0% 81 WED 2 AM 0 FT -6.9 C 9.8 C 0.0 C 38% NNW 17 KT 5.5 C/KM 0% 84 WED 5 AM 0 FT -6.6 C 9.6 C 0.0 C 27% NNW 16 KT 5.7 C/KM 0% 02-23-2020 00Z GFS LAKE-700 FHR VALID TIME WETBULBZERO T700 LAKE-700 EXCESS RH850-700 WIND700 LAPSE700-500 GSLE PROB (%) AFFECTED AREAS 0 SAT 5 PM 4600 FT -1.9 C 4.8 C 0.0 C 39% ENE 5 KT 7.4 C/KM 0% 3 SAT 8 PM 4900 FT -1.1 C 4.0 C 0.0 C 46% NE 11 KT 7.4 C/KM 0% 6 SAT 11 PM 0 FT -1.6 C 4.6 C 0.0 C 47% ENE 11 KT 7.1 C/KM 0% 9 SUN 2 AM 0 FT -1.8 C 4.8 C 0.0 C 42% NE 14 KT 7.5 C/KM 0% 12 SUN 5 AM 0 FT -2.1 C 5.1 C 0.0 C 42% NNE 10 KT 7.3 C/KM 0% 15 SUN 8 AM 0 FT -2.0 C 4.9 C 0.0 C 37% N 15 KT 7.4 C/KM 0% 18 SUN 11 AM 4300 FT -3.3 C 6.3 C 0.0 C 44% NNW 15 KT 6.9 C/KM 0% 21 SUN 2 PM 4900 FT -4.2 C 7.1 C 0.0 C 44% WNW 16 KT 6.5 C/KM 0% 24 SUN 5 PM 5100 FT -4.1 C 7.1 C 0.0 C 41% WNW 24 KT 6.3 C/KM 0% 27 SUN 8 PM 5500 FT -5.2 C 8.2 C 0.0 C 45% WNW 32 KT 6.1 C/KM 0% 30 SUN 11 PM 6100 FT -5.4 C 8.4 C 0.0 C 43% W 37 KT 6.2 C/KM 0% 33 MON 2 AM 0 FT -10.1 C 13.1 C 0.0 C 92% WNW 34 KT 4.7 C/KM 0% 36 MON 5 AM 0 FT -13.3 C 16.2 C 1.3 C 49% NW 26 KT 3.7 C/KM 0% 39 MON 8 AM 0 FT -14.1 C 17.1 C 2.2 C 60% NW 21 KT 4.1 C/KM 4% BOUNTIFUL 42 MON 11 AM 0 FT -13.7 C 16.7 C 1.8 C 50% W 21 KT 4.8 C/KM 0% 45 MON 2 PM 0 FT -13.0 C 16.0 C 1.1 C 38% NW 28 KT 5.3 C/KM 0% 48 MON 5 PM 0 FT -12.5 C 15.5 C 0.5 C 45% WNW 31 KT 5.5 C/KM 0% 51 MON 8 PM 0 FT -12.1 C 15.1 C 0.1 C 41% WNW 37 KT 6.0 C/KM 0% 54 MON 11 PM 0 FT -13.8 C 16.8 C 1.8 C 50% NW 27 KT 4.6 C/KM 0% 57 TUE 2 AM 0 FT -14.1 C 17.1 C 2.1 C 51% N 15 KT 3.8 C/KM 0% 60 TUE 5 AM 0 FT -14.5 C 17.5 C 2.5 C 52% N 13 KT 3.1 C/KM 0% 63 TUE 8 AM 0 FT -14.7 C 17.6 C 2.6 C 49% NNW 15 KT 2.7 C/KM 0% 66 TUE 11 AM 0 FT -14.0 C 17.0 C 2.0 C 44% N 15 KT 2.8 C/KM 0% 69 TUE 2 PM 0 FT -13.2 C 16.1 C 1.1 C 40% NNW 13 KT 3.0 C/KM 0% 72 TUE 5 PM 0 FT -11.8 C 14.7 C 0.0 C 38% NNW 14 KT 3.7 C/KM 0% 75 TUE 8 PM 0 FT -9.5 C 12.5 C 0.0 C 28% NNW 17 KT 4.9 C/KM 0% 78 TUE 11 PM 0 FT -8.3 C 11.3 C 0.0 C 27% NNW 16 KT 5.0 C/KM 0% 81 WED 2 AM 0 FT -7.7 C 10.6 C 0.0 C 30% WNW 14 KT 5.4 C/KM 0% 84 WED 5 AM 0 FT -7.6 C 10.6 C 0.0 C 38% NW 21 KT 5.6 C/KM 0% 87 WED 8 AM 0 FT -6.9 C 9.9 C 0.0 C 37% NW 24 KT 6.2 C/KM 0% 90 WED 11 AM 0 FT -6.3 C 9.2 C 0.0 C 38% WNW 19 KT 6.6 C/KM 0% 93 WED 2 PM 0 FT -7.0 C 9.9 C 0.0 C 40% WNW 22 KT 6.5 C/KM 0% 96 WED 5 PM 0 FT -7.9 C 10.8 C 0.0 C 41% WNW 23 KT 6.5 C/KM 0% 99 WED 8 PM 0 FT -7.8 C 10.8 C 0.0 C 51% NW 26 KT 6.2 C/KM 0% 102 WED 11 PM 0 FT -7.7 C 10.7 C 0.0 C 59% NW 21 KT 6.2 C/KM 0% 105 THU 2 AM 0 FT -7.0 C 10.0 C 0.0 C 60% NW 20 KT 6.5 C/KM 0% 108 THU 5 AM 0 FT -6.8 C 9.8 C 0.0 C 63% NW 20 KT 6.5 C/KM 0% 111 THU 8 AM 0 FT -6.8 C 9.8 C 0.0 C 62% NW 23 KT 6.3 C/KM 0% 114 THU 11 AM 5000 FT -6.8 C 9.8 C 0.0 C 59% NW 25 KT 6.0 C/KM 0% 117 THU 2 PM 5300 FT -6.9 C 9.8 C 0.0 C 56% WNW 25 KT 5.9 C/KM 0% 120 THU 5 PM 5400 FT -6.4 C 9.3 C 0.0 C 53% NW 21 KT 6.1 C/KM 0% 123 THU 8 PM 5500 FT -5.7 C 8.7 C 0.0 C 56% NW 19 KT 6.2 C/KM 0% 126 THU 11 PM 5600 FT -4.9 C 7.8 C 0.0 C 53% NNW 13 KT 6.5 C/KM 0% 129 FRI 2 AM 5400 FT -4.4 C 7.3 C 0.0 C 50% NW 8 KT 6.7 C/KM 0% 132 FRI 5 AM 4800 FT -3.5 C 6.4 C 0.0 C 47% NW 10 KT 6.8 C/KM 0% 135 FRI 8 AM 0 FT -2.7 C 5.6 C 0.0 C 41% NW 10 KT 6.9 C/KM 0% 138 FRI 11 AM 5500 FT -2.2 C 5.2 C 0.0 C 37% WNW 6 KT 7.1 C/KM 0% 141 FRI 2 PM 6000 FT -1.3 C 4.3 C 0.0 C 32% SW 5 KT 7.4 C/KM 0% 144 FRI 5 PM 6100 FT -0.8 C 3.8 C 0.0 C 25% SSW 8 KT 7.5 C/KM 0% 147 FRI 8 PM 6000 FT -0.2 C 3.1 C 0.0 C 20% SSW 14 KT 7.8 C/KM 0% 150 FRI 11 PM 5900 FT -0.2 C 3.2 C 0.0 C 24% SW 16 KT 7.7 C/KM 0% 153 SAT 2 AM 6300 FT -1.0 C 4.0 C 0.0 C 27% SW 18 KT 7.4 C/KM 0% 156 SAT 5 AM 6400 FT -1.9 C 4.8 C 0.0 C 31% SW 15 KT 7.2 C/KM 0% 159 SAT 8 AM 6000 FT -1.6 C 4.5 C 0.0 C 28% SW 10 KT 7.8 C/KM 0% 162 SAT 11 AM 5900 FT -1.3 C 4.3 C 0.0 C 26% SW 11 KT 8.0 C/KM 0% 165 SAT 2 PM 6700 FT -1.4 C 4.3 C 0.0 C 30% SW 15 KT 7.7 C/KM 0% 168 SAT 5 PM 6900 FT -2.2 C 5.2 C 0.0 C 33% SSW 15 KT 7.1 C/KM 0% 171 SAT 8 PM 7600 FT -4.3 C 7.2 C 0.0 C 65% SSW 25 KT 6.6 C/KM 0% 174 SAT 11 PM 7400 FT -4.5 C 7.4 C 0.0 C 74% SSW 27 KT 6.5 C/KM 0% 177 SUN 2 AM 6900 FT -4.7 C 7.7 C 0.0 C 89% SW 25 KT 6.5 C/KM 0% 180 SUN 5 AM 7000 FT -4.5 C 7.4 C 0.0 C 89% WSW 11 KT 6.8 C/KM 0%