GREAT SALT LAKE-EFFECT FORECAST OUTPUT ************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED AND UNOFFICIAL FORECAST * ************************************************************** CREATED/MAINTAINED BY TREVOR ALCOTT AND JIM STEENBURGH LAST UPDATE: 16:02:00 MDT 2017-05-25 For more on GSL temperatures: http://home.chpc.utah.edu/~u0198116/AVHRR/gsltemp.html 7-DAY MEAN GREAT SALT LAKE TEMPERATURE FROM AVHRR 17.8 C CLIMATOLOGICAL LAKE TEMPERATURE 19.5 C LAKE TEMPERATURE USED IN CALCULATIONS 18.6 C 05-25-2017 18Z NAM12 LAKE-700 FHR VALID TIME WETBULBZERO T700 LAKE-700 EXCESS RH850-700 WIND700 LAPSE700-500 GSLE PROB (%) AFFECTED AREAS 0 THU 12 PM 8500 FT 0.0 C 18.6 C 0.0 C 55% W 17 KT 6.4 C/KM 0% 3 THU 3 PM 9300 FT 1.3 C 17.3 C 0.0 C 50% WSW 13 KT 7.0 C/KM 0% 6 THU 6 PM 10000 FT 3.0 C 15.7 C 0.0 C 46% WSW 11 KT 7.6 C/KM 0% 9 THU 9 PM 10200 FT 3.9 C 14.7 C 0.0 C 45% WSW 9 KT 7.5 C/KM 0% 12 FRI 12 AM 9700 FT 3.8 C 14.8 C 0.0 C 45% WSW 5 KT 7.4 C/KM 0% 15 FRI 3 AM 10100 FT 5.0 C 13.6 C 0.0 C 38% S 12 KT 8.0 C/KM 0% 18 FRI 6 AM 10300 FT 5.5 C 13.1 C 0.0 C 42% SSW 19 KT 8.4 C/KM 0% 21 FRI 9 AM 10100 FT 4.1 C 14.6 C 0.0 C 54% SW 19 KT 7.9 C/KM 0% 24 FRI 12 PM 9700 FT 1.7 C 16.9 C 0.0 C 87% W 22 KT 7.8 C/KM 0% 27 FRI 3 PM 8600 FT 0.1 C 18.5 C 0.0 C 67% W 22 KT 7.0 C/KM 0% 30 FRI 6 PM 8000 FT 0.5 C 18.1 C 0.0 C 58% WNW 22 KT 7.0 C/KM 0% 33 FRI 9 PM 8300 FT 0.4 C 18.2 C 0.0 C 50% NW 21 KT 7.1 C/KM 0% 36 SAT 12 AM 9000 FT -0.0 C 18.7 C 0.0 C 66% NNW 19 KT 7.0 C/KM 0% 39 SAT 3 AM 8700 FT -1.0 C 19.6 C 0.0 C 76% NW 19 KT 6.7 C/KM 0% 42 SAT 6 AM 8000 FT -0.7 C 19.3 C 0.0 C 82% NNW 18 KT 6.8 C/KM 0% 45 SAT 9 AM 8300 FT -0.7 C 19.4 C 0.0 C 80% N 18 KT 6.7 C/KM 0% 48 SAT 12 PM 8900 FT -0.1 C 18.7 C 0.0 C 75% NNE 13 KT 6.7 C/KM 0% 51 SAT 3 PM 9300 FT 0.9 C 17.7 C 0.0 C 65% NNE 8 KT 6.9 C/KM 0% 54 SAT 6 PM 9100 FT 1.7 C 17.0 C 0.0 C 55% NNE 7 KT 7.0 C/KM 0% 57 SAT 9 PM 10400 FT 1.7 C 16.9 C 0.0 C 48% NE 10 KT 6.9 C/KM 0% 60 SUN 12 AM 10100 FT 1.7 C 16.9 C 0.0 C 50% NE 12 KT 6.9 C/KM 0% 63 SUN 3 AM 9200 FT 1.7 C 16.9 C 0.0 C 44% ENE 7 KT 6.8 C/KM 0% 66 SUN 6 AM 9600 FT 1.1 C 17.6 C 0.0 C 48% ESE 4 KT 5.8 C/KM 0% 69 SUN 9 AM 9400 FT 0.9 C 17.7 C 0.0 C 42% SE 5 KT 6.0 C/KM 0% 72 SUN 12 PM 9500 FT 1.4 C 17.2 C 0.0 C 42% ESE 6 KT 6.2 C/KM 0% 75 SUN 3 PM 10600 FT 3.5 C 15.2 C 0.0 C 43% ESE 6 KT 7.0 C/KM 0% 78 SUN 6 PM 10700 FT 4.7 C 14.0 C 0.0 C 45% ENE 6 KT 7.4 C/KM 0% 81 SUN 9 PM 10400 FT 5.5 C 13.2 C 0.0 C 46% ENE 10 KT 7.6 C/KM 0% 84 MON 12 AM 9500 FT 5.9 C 12.7 C 0.0 C 34% ENE 5 KT 7.6 C/KM 0% 05-25-2017 12Z GFS LAKE-700 FHR VALID TIME WETBULBZERO T700 LAKE-700 EXCESS RH850-700 WIND700 LAPSE700-500 GSLE PROB (%) AFFECTED AREAS 0 THU 6 AM 8700 FT 0.4 C 18.2 C 0.0 C 46% W 22 KT 6.1 C/KM 0% 3 THU 9 AM 7400 FT -0.5 C 19.1 C 0.0 C 43% W 26 KT 6.1 C/KM 0% 6 THU 12 PM 7600 FT -0.8 C 19.5 C 0.0 C 42% W 26 KT 6.3 C/KM 0% 9 THU 3 PM 8200 FT 0.3 C 18.4 C 0.0 C 38% WSW 21 KT 6.8 C/KM 0% 12 THU 6 PM 9400 FT 2.5 C 16.2 C 0.0 C 38% WSW 17 KT 7.4 C/KM 0% 15 THU 9 PM 8900 FT 3.2 C 15.4 C 0.0 C 35% W 13 KT 7.4 C/KM 0% 18 FRI 12 AM 8600 FT 3.0 C 15.6 C 0.0 C 33% W 8 KT 7.3 C/KM 0% 21 FRI 3 AM 8700 FT 3.2 C 15.4 C 0.0 C 33% SW 10 KT 7.5 C/KM 0% 24 FRI 6 AM 9400 FT 3.7 C 15.0 C 0.0 C 35% SW 16 KT 7.6 C/KM 0% 27 FRI 9 AM 8900 FT 2.3 C 16.3 C 0.0 C 42% SSW 17 KT 7.4 C/KM 0% 30 FRI 12 PM 9200 FT 1.3 C 17.3 C 0.0 C 59% WSW 21 KT 7.6 C/KM 0% 33 FRI 3 PM 8500 FT -0.4 C 19.0 C 0.0 C 54% WSW 19 KT 7.1 C/KM 0% 36 FRI 6 PM 8500 FT 0.5 C 18.2 C 0.0 C 45% W 24 KT 7.5 C/KM 0% 39 FRI 9 PM 8600 FT 0.1 C 18.5 C 0.0 C 46% W 23 KT 7.4 C/KM 0% 42 SAT 12 AM 8500 FT -0.3 C 18.9 C 0.0 C 54% WNW 25 KT 7.2 C/KM 0% 45 SAT 3 AM 8400 FT -1.2 C 19.9 C 0.0 C 55% NNW 18 KT 6.8 C/KM 0% 48 SAT 6 AM 8400 FT -1.4 C 20.0 C 0.0 C 56% NNW 16 KT 6.6 C/KM 0% 51 SAT 9 AM 8400 FT -1.3 C 19.9 C 0.0 C 59% NNW 16 KT 6.3 C/KM 0% 54 SAT 12 PM 8600 FT -0.7 C 19.4 C 0.0 C 58% N 11 KT 6.3 C/KM 0% 57 SAT 3 PM 9100 FT 1.2 C 17.5 C 0.0 C 54% NE 6 KT 7.1 C/KM 0% 60 SAT 6 PM 9700 FT 2.3 C 16.4 C 0.0 C 54% NE 7 KT 7.3 C/KM 0% 63 SAT 9 PM 9800 FT 2.4 C 16.2 C 0.0 C 51% NE 8 KT 7.2 C/KM 0% 66 SUN 12 AM 9600 FT 2.5 C 16.2 C 0.0 C 47% ENE 10 KT 7.3 C/KM 0% 69 SUN 3 AM 9400 FT 2.5 C 16.1 C 0.0 C 44% ENE 7 KT 7.2 C/KM 0% 72 SUN 6 AM 9500 FT 2.0 C 16.7 C 0.0 C 45% E 4 KT 6.9 C/KM 0% 75 SUN 9 AM 9400 FT 2.0 C 16.7 C 0.0 C 44% E 5 KT 6.9 C/KM 0% 78 SUN 12 PM 9600 FT 2.4 C 16.3 C 0.0 C 43% ESE 8 KT 6.9 C/KM 0% 81 SUN 3 PM 10200 FT 3.7 C 14.9 C 0.0 C 38% E 8 KT 7.2 C/KM 0% 84 SUN 6 PM 10900 FT 4.9 C 13.8 C 0.0 C 39% E 10 KT 7.5 C/KM 0% 87 SUN 9 PM 10700 FT 5.2 C 13.5 C 0.0 C 39% E 12 KT 7.6 C/KM 0% 90 MON 12 AM 10200 FT 5.4 C 13.3 C 0.0 C 33% E 9 KT 7.6 C/KM 0% 93 MON 3 AM 10200 FT 5.1 C 13.5 C 0.0 C 33% ESE 6 KT 7.5 C/KM 0% 96 MON 6 AM 10300 FT 4.8 C 13.8 C 0.0 C 34% SE 2 KT 7.4 C/KM 0% 99 MON 9 AM 10300 FT 4.7 C 14.0 C 0.0 C 33% SE 2 KT 7.3 C/KM 0% 102 MON 12 PM 10300 FT 5.0 C 13.7 C 0.0 C 34% SE 3 KT 7.4 C/KM 0% 105 MON 3 PM 10700 FT 5.9 C 12.7 C 0.0 C 31% ESE 5 KT 7.5 C/KM 0% 108 MON 6 PM 11100 FT 7.4 C 11.3 C 0.0 C 28% ESE 5 KT 7.9 C/KM 0% 111 MON 9 PM 11300 FT 7.3 C 11.4 C 0.0 C 28% ESE 6 KT 7.7 C/KM 0% 114 TUE 12 AM 11100 FT 7.1 C 11.6 C 0.0 C 29% ESE 7 KT 7.8 C/KM 0% 117 TUE 3 AM 10900 FT 7.1 C 11.5 C 0.0 C 28% SE 5 KT 7.8 C/KM 0% 120 TUE 6 AM 10700 FT 6.7 C 11.9 C 0.0 C 29% SSW 3 KT 7.6 C/KM 0% 123 TUE 9 AM 10600 FT 6.6 C 12.1 C 0.0 C 30% S 3 KT 7.5 C/KM 0% 126 TUE 12 PM 10700 FT 6.8 C 11.9 C 0.0 C 32% S 7 KT 7.5 C/KM 0% 129 TUE 3 PM 11400 FT 7.4 C 11.2 C 0.0 C 29% SSW 9 KT 7.6 C/KM 0% 132 TUE 6 PM 11500 FT 8.8 C 9.8 C 0.0 C 27% SSW 10 KT 8.0 C/KM 0% 135 TUE 9 PM 11000 FT 9.1 C 9.5 C 0.0 C 21% SW 10 KT 8.1 C/KM 0% 138 WED 12 AM 10300 FT 9.2 C 9.4 C 0.0 C 17% W 9 KT 8.1 C/KM 0% 141 WED 3 AM 10900 FT 9.2 C 9.4 C 0.0 C 17% W 10 KT 8.4 C/KM 0% 144 WED 6 AM 11000 FT 9.3 C 9.3 C 0.0 C 17% WSW 9 KT 8.5 C/KM 0% 147 WED 9 AM 11100 FT 9.3 C 9.3 C 0.0 C 17% SW 10 KT 8.8 C/KM 0% 150 WED 12 PM 11100 FT 9.3 C 9.4 C 0.0 C 18% SSW 14 KT 8.7 C/KM 0% 153 WED 3 PM 11500 FT 10.5 C 8.2 C 0.0 C 17% SSW 14 KT 9.2 C/KM 0% 156 WED 6 PM 11600 FT 11.6 C 7.0 C 0.0 C 14% SSW 14 KT 9.3 C/KM 0% 159 WED 9 PM 11700 FT 11.3 C 7.3 C 0.0 C 15% SW 15 KT 9.0 C/KM 0% 162 THU 12 AM 11300 FT 11.0 C 7.7 C 0.0 C 15% SW 20 KT 9.2 C/KM 0% 165 THU 3 AM 11300 FT 10.1 C 8.6 C 0.0 C 17% WSW 19 KT 8.8 C/KM 0% 168 THU 6 AM 11100 FT 7.1 C 11.5 C 0.0 C 28% SW 12 KT 7.5 C/KM 0% 171 THU 9 AM 10700 FT 5.9 C 12.7 C 0.0 C 45% SW 12 KT 7.3 C/KM 0% 174 THU 12 PM 10600 FT 5.8 C 12.8 C 0.0 C 51% SW 15 KT 6.9 C/KM 0% 177 THU 3 PM 11500 FT 6.6 C 12.0 C 0.0 C 51% SW 20 KT 6.7 C/KM 0% 180 THU 6 PM 11800 FT 7.0 C 11.7 C 0.0 C 47% WSW 17 KT 6.8 C/KM 0%