GREAT SALT LAKE-EFFECT FORECAST OUTPUT ************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED AND UNOFFICIAL FORECAST * ************************************************************** CREATED/MAINTAINED BY TREVOR ALCOTT AND JIM STEENBURGH LAST UPDATE: 17:06:24 MST 2019-02-15 For more on GSL temperatures: http://home.chpc.utah.edu/~u0198116/AVHRR/gsltemp.html 7-DAY MEAN GREAT SALT LAKE TEMPERATURE FROM AVHRR 0.7 C CLIMATOLOGICAL LAKE TEMPERATURE 2.9 C LAKE TEMPERATURE USED IN CALCULATIONS 1.8 C 02-15-2019 18Z NAM12 LAKE-700 FHR VALID TIME WETBULBZERO T700 LAKE-700 EXCESS RH850-700 WIND700 LAPSE700-500 GSLE PROB (%) AFFECTED AREAS 0 FRI 11 AM 5900 FT -6.4 C 8.2 C 0.0 C 81% SSW 25 KT 6.3 C/KM 0% 3 FRI 2 PM 6100 FT -5.8 C 7.6 C 0.0 C 80% SW 24 KT 7.0 C/KM 0% 6 FRI 5 PM 6600 FT -5.4 C 7.2 C 0.0 C 82% SW 45 KT 8.2 C/KM 0% 9 FRI 8 PM 5400 FT -8.0 C 9.7 C 0.0 C 97% SW 32 KT 7.8 C/KM 0% 12 FRI 11 PM 0 FT -12.6 C 14.3 C 0.2 C 93% WNW 17 KT 6.3 C/KM 14% BOUNTIFUL 15 SAT 2 AM 0 FT -13.3 C 15.0 C 0.9 C 93% NNW 16 KT 7.2 C/KM 18% WEST-SLV 18 SAT 5 AM 0 FT -14.8 C 16.5 C 2.4 C 93% NW 21 KT 7.7 C/KM 40% SLC/COTTONWOODS 21 SAT 8 AM 0 FT -15.2 C 17.0 C 2.9 C 95% NW 20 KT 7.5 C/KM 40% SLC/COTTONWOODS 24 SAT 11 AM 0 FT -15.3 C 17.0 C 2.9 C 81% WNW 17 KT 7.1 C/KM 22% BOUNTIFUL OGDEN 27 SAT 2 PM 0 FT -14.3 C 16.0 C 1.9 C 71% W 15 KT 7.5 C/KM 4% OGDEN OGDEN-NORTH NORTHERN WASATCH 30 SAT 5 PM 0 FT -13.3 C 15.0 C 0.8 C 74% W 17 KT 8.2 C/KM 3% OGDEN-NORTH NORTHERN WASATCH 33 SAT 8 PM 0 FT -13.2 C 14.9 C 0.7 C 80% W 12 KT 8.2 C/KM 3% OGDEN-NORTH NORTHERN WASATCH 36 SAT 11 PM 0 FT -13.4 C 15.1 C 0.9 C 78% W 8 KT 8.0 C/KM 4% OGDEN-NORTH NORTHERN WASATCH 39 SUN 2 AM 0 FT -13.2 C 15.0 C 0.8 C 73% WSW 7 KT 8.0 C/KM 3% BRIGHAM CITY NORTHERN WASATCH 42 SUN 5 AM 0 FT -13.4 C 15.2 C 1.0 C 65% WSW 6 KT 7.9 C/KM 1% OGDEN-NORTH NORTHERN WASATCH 45 SUN 8 AM 0 FT -13.6 C 15.3 C 1.1 C 60% SW 1 KT 7.9 C/KM 1% BRIGHAM CITY NORTHERN WASATCH 48 SUN 11 AM 0 FT -13.2 C 15.0 C 0.8 C 59% SE 6 KT 8.1 C/KM 1% WEST DESERT 51 SUN 2 PM 0 FT -12.3 C 14.1 C 0.0 C 66% SE 9 KT 8.4 C/KM 0% 54 SUN 5 PM 0 FT -12.5 C 14.3 C 0.0 C 72% NE 6 KT 8.0 C/KM 2% WEST DESERT 57 SUN 8 PM 0 FT -12.4 C 14.2 C 0.0 C 64% NE 12 KT 8.0 C/KM 0% 60 SUN 11 PM 0 FT -12.2 C 14.0 C 0.0 C 91% E 8 KT 8.1 C/KM 0% 63 MON 2 AM 0 FT -13.0 C 14.7 C 0.4 C 87% E 2 KT 8.0 C/KM 5% WEST DESERT 66 MON 5 AM 0 FT -13.5 C 15.3 C 1.0 C 88% NNE 5 KT 7.9 C/KM 8% SKULLVALLEY 69 MON 8 AM 0 FT -13.4 C 15.2 C 0.9 C 78% NNE 7 KT 8.1 C/KM 3% SKULLVALLEY 72 MON 11 AM 0 FT -13.6 C 15.4 C 1.1 C 76% N 7 KT 8.0 C/KM 3% 75 MON 2 PM 0 FT -14.2 C 16.0 C 1.7 C 76% NNW 9 KT 7.8 C/KM 5% OQUIRRHS TOOELE 78 MON 5 PM 0 FT -15.0 C 16.7 C 2.3 C 81% N 14 KT 7.4 C/KM 29% OQUIRRHS TOOELE 81 MON 8 PM 0 FT -15.5 C 17.3 C 2.9 C 81% N 13 KT 7.1 C/KM 19% TOOELE 84 MON 11 PM 0 FT -16.2 C 18.0 C 3.6 C 84% NNW 12 KT 6.8 C/KM 29% OQUIRRHS TOOELE 02-15-2019 18Z GFS LAKE-700 FHR VALID TIME WETBULBZERO T700 LAKE-700 EXCESS RH850-700 WIND700 LAPSE700-500 GSLE PROB (%) AFFECTED AREAS 0 FRI 11 AM 5900 FT -7.0 C 8.8 C 0.0 C 56% SSW 23 KT 6.3 C/KM 0% 3 FRI 2 PM 5900 FT -6.8 C 8.5 C 0.0 C 61% SW 24 KT 7.2 C/KM 0% 6 FRI 5 PM 5600 FT -7.2 C 9.0 C 0.0 C 56% SW 30 KT 7.5 C/KM 0% 9 FRI 8 PM 0 FT -10.9 C 12.6 C 0.0 C 95% WNW 19 KT 6.6 C/KM 0% 12 FRI 11 PM 0 FT -13.4 C 15.2 C 1.1 C 85% NW 27 KT 6.2 C/KM 12% SLC/COTTONWOODS 15 SAT 2 AM 0 FT -14.1 C 15.8 C 1.7 C 74% NW 13 KT 6.6 C/KM 5% SLC/COTTONWOODS 18 SAT 5 AM 0 FT -14.5 C 16.3 C 2.2 C 74% WNW 17 KT 7.9 C/KM 13% BOUNTIFUL 21 SAT 8 AM 0 FT -15.5 C 17.2 C 3.1 C 79% WNW 19 KT 8.0 C/KM 13% BOUNTIFUL 24 SAT 11 AM 0 FT -15.3 C 17.1 C 3.0 C 76% WNW 18 KT 7.9 C/KM 13% BOUNTIFUL OGDEN 27 SAT 2 PM 0 FT -14.7 C 16.5 C 2.4 C 74% WNW 16 KT 7.9 C/KM 13% BOUNTIFUL 30 SAT 5 PM 0 FT -14.1 C 15.9 C 1.7 C 73% W 16 KT 8.2 C/KM 4% BOUNTIFUL OGDEN 33 SAT 8 PM 0 FT -14.3 C 16.1 C 1.9 C 63% W 12 KT 8.0 C/KM 2% OGDEN OGDEN-NORTH NORTHERN WASATCH 36 SAT 11 PM 0 FT -14.4 C 16.2 C 2.0 C 65% WNW 12 KT 8.0 C/KM 4% BOUNTIFUL OGDEN 39 SUN 2 AM 0 FT -14.7 C 16.5 C 2.3 C 67% W 10 KT 8.0 C/KM 4% OGDEN OGDEN-NORTH NORTHERN WASATCH 42 SUN 5 AM 0 FT -14.9 C 16.6 C 2.4 C 64% W 9 KT 8.0 C/KM 4% OGDEN-NORTH NORTHERN WASATCH 45 SUN 8 AM 0 FT -14.7 C 16.4 C 2.2 C 60% W 6 KT 8.2 C/KM 4% OGDEN OGDEN-NORTH NORTHERN WASATCH 48 SUN 11 AM 0 FT -14.6 C 16.3 C 2.1 C 58% NNE 1 KT 8.2 C/KM 4% SKULLVALLEY 51 SUN 2 PM 0 FT -14.0 C 15.8 C 1.6 C 59% ESE 4 KT 8.4 C/KM 1% WEST DESERT 54 SUN 5 PM 0 FT -13.8 C 15.6 C 1.3 C 63% ESE 4 KT 8.3 C/KM 1% WEST DESERT 57 SUN 8 PM 0 FT -14.0 C 15.8 C 1.5 C 63% ENE 6 KT 8.2 C/KM 1% WEST DESERT 60 SUN 11 PM 0 FT -14.0 C 15.8 C 1.5 C 60% ENE 7 KT 8.3 C/KM 1% WEST DESERT 63 MON 2 AM 0 FT -14.5 C 16.2 C 1.9 C 61% NE 6 KT 8.1 C/KM 1% WEST DESERT 66 MON 5 AM 0 FT -14.8 C 16.6 C 2.3 C 56% NNE 9 KT 8.0 C/KM 4% SKULLVALLEY 69 MON 8 AM 0 FT -14.9 C 16.7 C 2.4 C 52% NNE 10 KT 8.0 C/KM 0% 72 MON 11 AM 0 FT -15.2 C 16.9 C 2.6 C 52% NNE 9 KT 8.0 C/KM 0% 75 MON 2 PM 0 FT -15.3 C 17.1 C 2.8 C 57% N 9 KT 8.0 C/KM 4% SKULLVALLEY 78 MON 5 PM 0 FT -15.8 C 17.6 C 3.2 C 66% N 13 KT 7.8 C/KM 4% 81 MON 8 PM 0 FT -16.3 C 18.0 C 3.6 C 65% N 15 KT 7.5 C/KM 4% TOOELE 84 MON 11 PM 0 FT -16.6 C 18.4 C 4.0 C 64% N 14 KT 7.3 C/KM 7% SKULLVALLEY 87 TUE 2 AM 0 FT -17.3 C 19.1 C 4.7 C 68% N 13 KT 6.8 C/KM 7% SKULLVALLEY 90 TUE 5 AM 0 FT -17.7 C 19.5 C 5.1 C 70% N 14 KT 6.4 C/KM 16% SKULLVALLEY 93 TUE 8 AM 0 FT -17.7 C 19.4 C 5.0 C 68% N 13 KT 6.0 C/KM 7% SKULLVALLEY 96 TUE 11 AM 0 FT -17.7 C 19.4 C 5.0 C 65% N 10 KT 5.4 C/KM 7% SKULLVALLEY 99 TUE 2 PM 0 FT -17.7 C 19.4 C 5.0 C 61% NNW 9 KT 5.1 C/KM 11% OQUIRRHS 102 TUE 5 PM 0 FT -17.2 C 19.0 C 4.5 C 56% NNW 11 KT 4.4 C/KM 11% OQUIRRHS 105 TUE 8 PM 0 FT -16.4 C 18.1 C 3.6 C 52% NNW 11 KT 4.7 C/KM 0% 108 TUE 11 PM 0 FT -16.2 C 18.0 C 3.5 C 56% WNW 9 KT 4.8 C/KM 4% BOUNTIFUL 111 WED 2 AM 0 FT -16.1 C 17.8 C 3.3 C 55% WNW 12 KT 4.7 C/KM 0% 114 WED 5 AM 0 FT -16.6 C 18.4 C 3.9 C 54% WNW 16 KT 4.3 C/KM 0% 117 WED 8 AM 0 FT -15.8 C 17.6 C 3.1 C 51% WNW 13 KT 4.6 C/KM 0% 120 WED 11 AM 0 FT -15.5 C 17.2 C 2.7 C 51% WSW 13 KT 4.7 C/KM 0% 123 WED 2 PM 0 FT -15.4 C 17.2 C 2.7 C 54% SW 14 KT 4.8 C/KM 0% 126 WED 5 PM 0 FT -15.4 C 17.2 C 2.7 C 55% SW 16 KT 5.3 C/KM 2% NORTHERN WASATCH 129 WED 8 PM 0 FT -14.9 C 16.7 C 2.2 C 46% SSW 18 KT 5.9 C/KM 0% 132 WED 11 PM 0 FT -14.3 C 16.0 C 1.5 C 54% SSW 20 KT 6.7 C/KM 0% 135 THU 2 AM 0 FT -14.2 C 16.0 C 1.5 C 61% SSW 21 KT 6.9 C/KM 1% 138 THU 5 AM 0 FT -14.5 C 16.3 C 1.7 C 63% SSW 23 KT 6.7 C/KM 1% 141 THU 8 AM 0 FT -14.3 C 16.1 C 1.5 C 53% S 18 KT 6.9 C/KM 0% 144 THU 11 AM 0 FT -13.8 C 15.6 C 1.0 C 58% SSE 17 KT 7.2 C/KM 1% WEST DESERT 147 THU 2 PM 0 FT -13.6 C 15.3 C 0.7 C 66% S 16 KT 7.4 C/KM 1% WEST DESERT 150 THU 5 PM 0 FT -13.0 C 14.8 C 0.2 C 71% SSE 11 KT 7.7 C/KM 2% WEST DESERT 153 THU 8 PM 0 FT -12.4 C 14.1 C 0.0 C 59% SSE 9 KT 7.8 C/KM 0% 156 THU 11 PM 0 FT -12.1 C 13.8 C 0.0 C 52% ESE 7 KT 7.4 C/KM 0% 159 FRI 2 AM 0 FT -12.3 C 14.0 C 0.0 C 53% ESE 9 KT 7.1 C/KM 0% 162 FRI 5 AM 0 FT -12.6 C 14.4 C 0.0 C 61% ESE 8 KT 6.9 C/KM 0% 165 FRI 8 AM 0 FT -13.3 C 15.1 C 0.5 C 82% ESE 5 KT 7.0 C/KM 5% WEST DESERT 168 FRI 11 AM 0 FT -14.2 C 15.9 C 1.3 C 86% SW 4 KT 6.6 C/KM 5% NORTHERN WASATCH 171 FRI 2 PM 0 FT -14.5 C 16.3 C 1.7 C 85% W 7 KT 6.5 C/KM 7% OGDEN-NORTH NORTHERN WASATCH 174 FRI 5 PM 0 FT -14.8 C 16.6 C 2.0 C 76% WNW 11 KT 6.5 C/KM 4% BOUNTIFUL OGDEN 177 FRI 8 PM 0 FT -15.7 C 17.5 C 2.9 C 68% WNW 13 KT 5.4 C/KM 4% BOUNTIFUL OGDEN 180 FRI 11 PM 0 FT -15.9 C 17.6 C 3.0 C 64% W 16 KT 5.1 C/KM 4% OGDEN NORTHERN WASATCH