GREAT SALT LAKE-EFFECT FORECAST OUTPUT ************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED AND UNOFFICIAL FORECAST * ************************************************************** CREATED/MAINTAINED BY TREVOR ALCOTT AND JIM STEENBURGH LAST UPDATE: 17:25:16 MDT 2021-09-25 For more on GSL temperatures: http://home.chpc.utah.edu/~u0198116/AVHRR/gsltemp.html 7-DAY MEAN GREAT SALT LAKE TEMPERATURE FROM AVHRR 14.2 C CLIMATOLOGICAL LAKE TEMPERATURE 19.2 C LAKE TEMPERATURE USED IN CALCULATIONS 16.7 C 09-25-2021 18Z NAM12 LAKE-700 FHR VALID TIME WETBULBZERO T700 LAKE-700 EXCESS RH850-700 WIND700 LAPSE700-500 GSLE PROB (%) AFFECTED AREAS 0 SAT 12 PM 11200 FT 9.3 C 7.5 C 0.0 C 27% WSW 10 KT 6.4 C/KM 0% 3 SAT 3 PM 11600 FT 10.1 C 6.6 C 0.0 C 26% SW 12 KT 6.7 C/KM 0% 6 SAT 6 PM 12800 FT 11.3 C 5.4 C 0.0 C 25% WSW 10 KT 7.1 C/KM 0% 9 SAT 9 PM 11600 FT 11.7 C 5.1 C 0.0 C 22% WSW 9 KT 7.3 C/KM 0% 12 SUN 12 AM 11100 FT 11.4 C 5.3 C 0.0 C 20% W 7 KT 7.4 C/KM 0% 15 SUN 3 AM 11900 FT 11.4 C 5.4 C 0.0 C 19% WSW 6 KT 7.6 C/KM 0% 18 SUN 6 AM 11800 FT 11.1 C 5.7 C 0.0 C 21% WSW 8 KT 7.7 C/KM 0% 21 SUN 9 AM 11900 FT 11.2 C 5.5 C 0.0 C 24% WSW 8 KT 7.7 C/KM 0% 24 SUN 12 PM 11800 FT 11.3 C 5.4 C 0.0 C 27% W 8 KT 7.6 C/KM 0% 27 SUN 3 PM 11900 FT 11.5 C 5.3 C 0.0 C 23% W 6 KT 7.6 C/KM 0% 30 SUN 6 PM 12000 FT 11.6 C 5.1 C 0.0 C 19% W 7 KT 7.6 C/KM 0% 33 SUN 9 PM 11800 FT 11.9 C 4.9 C 0.0 C 15% WNW 9 KT 7.8 C/KM 0% 36 MON 12 AM 11900 FT 11.6 C 5.1 C 0.0 C 15% WNW 6 KT 7.8 C/KM 0% 39 MON 3 AM 12000 FT 11.2 C 5.5 C 0.0 C 18% WNW 3 KT 7.6 C/KM 0% 42 MON 6 AM 11800 FT 11.0 C 5.7 C 0.0 C 21% W 4 KT 7.6 C/KM 0% 45 MON 9 AM 12000 FT 10.7 C 6.0 C 0.0 C 24% WSW 4 KT 7.6 C/KM 0% 48 MON 12 PM 12100 FT 10.9 C 5.8 C 0.0 C 24% SSW 4 KT 7.6 C/KM 0% 51 MON 3 PM 12100 FT 11.5 C 5.2 C 0.0 C 23% SSW 5 KT 7.7 C/KM 0% 54 MON 6 PM 12100 FT 12.0 C 4.7 C 0.0 C 21% SW 4 KT 8.0 C/KM 0% 57 MON 9 PM 12400 FT 11.9 C 4.8 C 0.0 C 21% S 4 KT 8.1 C/KM 0% 60 TUE 12 AM 12200 FT 11.8 C 4.9 C 0.0 C 22% SSW 10 KT 8.5 C/KM 0% 63 TUE 3 AM 12300 FT 11.5 C 5.2 C 0.0 C 25% SSW 18 KT 8.3 C/KM 0% 66 TUE 6 AM 12800 FT 11.1 C 5.7 C 0.0 C 39% SW 20 KT 8.2 C/KM 0% 69 TUE 9 AM 13100 FT 9.7 C 7.0 C 0.0 C 51% WSW 17 KT 8.1 C/KM 0% 72 TUE 12 PM 12900 FT 8.0 C 8.7 C 0.0 C 43% SW 14 KT 7.5 C/KM 0% 75 TUE 3 PM 12300 FT 7.8 C 8.9 C 0.0 C 34% SSW 15 KT 7.5 C/KM 0% 78 TUE 6 PM 11800 FT 6.1 C 10.6 C 0.0 C 27% WNW 11 KT 6.6 C/KM 0% 81 TUE 9 PM 9800 FT 4.3 C 12.5 C 0.0 C 49% NNW 9 KT 6.3 C/KM 0% 84 WED 12 AM 10000 FT 3.5 C 13.2 C 0.0 C 62% NNE 9 KT 6.5 C/KM 0% 09-25-2021 18Z GFS LAKE-700 FHR VALID TIME WETBULBZERO T700 LAKE-700 EXCESS RH850-700 WIND700 LAPSE700-500 GSLE PROB (%) AFFECTED AREAS 0 SAT 12 PM 11000 FT 9.1 C 7.6 C 0.0 C 24% WSW 10 KT 6.7 C/KM 0% 3 SAT 3 PM 11300 FT 9.4 C 7.3 C 0.0 C 25% SW 11 KT 6.8 C/KM 0% 6 SAT 6 PM 11800 FT 10.7 C 6.1 C 0.0 C 22% SSW 12 KT 7.3 C/KM 0% 9 SAT 9 PM 11200 FT 11.0 C 5.7 C 0.0 C 20% SW 12 KT 7.6 C/KM 0% 12 SUN 12 AM 11600 FT 11.4 C 5.4 C 0.0 C 18% NW 11 KT 7.7 C/KM 0% 15 SUN 3 AM 11600 FT 11.0 C 5.7 C 0.0 C 18% WNW 8 KT 7.8 C/KM 0% 18 SUN 6 AM 11400 FT 10.9 C 5.9 C 0.0 C 18% WSW 9 KT 7.9 C/KM 0% 21 SUN 9 AM 11400 FT 10.7 C 6.0 C 0.0 C 18% WSW 8 KT 7.8 C/KM 0% 24 SUN 12 PM 11400 FT 10.6 C 6.2 C 0.0 C 19% WSW 9 KT 7.9 C/KM 0% 27 SUN 3 PM 11500 FT 11.2 C 5.5 C 0.0 C 18% WSW 12 KT 7.9 C/KM 0% 30 SUN 6 PM 11600 FT 11.7 C 5.0 C 0.0 C 17% WSW 12 KT 8.0 C/KM 0% 33 SUN 9 PM 11500 FT 11.8 C 5.0 C 0.0 C 15% NW 8 KT 8.0 C/KM 0% 36 MON 12 AM 11800 FT 11.9 C 4.8 C 0.0 C 15% NNW 9 KT 8.1 C/KM 0% 39 MON 3 AM 11700 FT 11.4 C 5.3 C 0.0 C 16% NW 3 KT 7.8 C/KM 0% 42 MON 6 AM 11800 FT 11.0 C 5.7 C 0.0 C 18% WSW 4 KT 7.7 C/KM 0% 45 MON 9 AM 11800 FT 10.9 C 5.8 C 0.0 C 18% SW 6 KT 7.8 C/KM 0% 48 MON 12 PM 11800 FT 11.2 C 5.5 C 0.0 C 18% SW 8 KT 7.9 C/KM 0% 51 MON 3 PM 11800 FT 11.8 C 4.9 C 0.0 C 18% SW 8 KT 8.1 C/KM 0% 54 MON 6 PM 12200 FT 12.3 C 4.5 C 0.0 C 18% SW 10 KT 8.4 C/KM 0% 57 MON 9 PM 11800 FT 12.6 C 4.1 C 0.0 C 18% WSW 12 KT 8.9 C/KM 0% 60 TUE 12 AM 12000 FT 12.6 C 4.1 C 0.0 C 18% SSW 9 KT 9.1 C/KM 0% 63 TUE 3 AM 12100 FT 12.4 C 4.3 C 0.0 C 18% SW 16 KT 9.1 C/KM 0% 66 TUE 6 AM 12300 FT 11.1 C 5.6 C 0.0 C 26% WSW 14 KT 8.6 C/KM 0% 69 TUE 9 AM 11800 FT 10.1 C 6.6 C 0.0 C 37% WSW 13 KT 8.3 C/KM 0% 72 TUE 12 PM 11600 FT 7.5 C 9.2 C 0.0 C 43% SSW 9 KT 7.5 C/KM 0% 75 TUE 3 PM 12000 FT 5.6 C 11.1 C 0.0 C 40% WSW 13 KT 6.9 C/KM 0% 78 TUE 6 PM 10000 FT 3.0 C 13.8 C 0.0 C 55% WNW 8 KT 6.1 C/KM 0% 81 TUE 9 PM 9100 FT 1.7 C 15.1 C 0.0 C 52% NNW 14 KT 5.8 C/KM 0% 84 WED 12 AM 6600 FT -0.3 C 17.1 C 0.0 C 35% NW 12 KT 5.4 C/KM 0% 87 WED 3 AM 6200 FT -0.7 C 17.4 C 0.0 C 28% WNW 8 KT 5.6 C/KM 0% 90 WED 6 AM 5700 FT -1.4 C 18.1 C 0.0 C 23% NW 8 KT 5.7 C/KM 0% 93 WED 9 AM 5700 FT -1.1 C 17.8 C 0.0 C 27% NW 7 KT 6.2 C/KM 0% 96 WED 12 PM 6100 FT -1.1 C 17.8 C 0.0 C 29% N 8 KT 6.0 C/KM 0% 99 WED 3 PM 6600 FT -0.6 C 17.4 C 0.0 C 34% N 9 KT 6.3 C/KM 0% 102 WED 6 PM 7000 FT -0.0 C 16.7 C 0.0 C 30% N 11 KT 6.4 C/KM 0% 105 WED 9 PM 7100 FT -0.1 C 16.9 C 0.0 C 27% NE 10 KT 6.4 C/KM 0% 108 THU 12 AM 7000 FT 0.3 C 16.4 C 0.0 C 25% ENE 10 KT 6.6 C/KM 0% 111 THU 3 AM 6900 FT 0.5 C 16.3 C 0.0 C 27% ENE 10 KT 6.2 C/KM 0% 114 THU 6 AM 6700 FT 0.9 C 15.8 C 0.0 C 26% ENE 12 KT 6.4 C/KM 0% 117 THU 9 AM 6500 FT 1.1 C 15.6 C 0.0 C 29% ENE 17 KT 6.3 C/KM 0% 120 THU 12 PM 8100 FT 2.0 C 14.7 C 0.0 C 41% E 16 KT 6.1 C/KM 0% 123 THU 3 PM 9600 FT 3.7 C 13.1 C 0.0 C 37% E 18 KT 6.4 C/KM 0% 126 THU 6 PM 10000 FT 5.1 C 11.6 C 0.0 C 33% E 16 KT 6.7 C/KM 0% 129 THU 9 PM 10100 FT 4.8 C 11.9 C 0.0 C 35% ESE 13 KT 6.4 C/KM 0% 132 FRI 12 AM 10300 FT 4.7 C 12.0 C 0.0 C 39% SSE 5 KT 6.3 C/KM 0% 135 FRI 3 AM 10000 FT 4.6 C 12.1 C 0.0 C 37% S 2 KT 5.9 C/KM 0% 138 FRI 6 AM 9700 FT 4.2 C 12.5 C 0.0 C 37% S 6 KT 6.0 C/KM 0% 141 FRI 9 AM 9700 FT 4.7 C 12.0 C 0.0 C 37% SSW 7 KT 6.4 C/KM 0% 144 FRI 12 PM 10300 FT 5.1 C 11.6 C 0.0 C 34% S 14 KT 6.4 C/KM 0% 147 FRI 3 PM 11000 FT 6.2 C 10.5 C 0.0 C 34% SSE 8 KT 6.7 C/KM 0% 150 FRI 6 PM 11700 FT 6.8 C 9.9 C 0.0 C 33% SSW 5 KT 6.9 C/KM 0% 153 FRI 9 PM 11600 FT 6.9 C 9.9 C 0.0 C 30% S 3 KT 7.2 C/KM 0% 156 SAT 12 AM 11400 FT 6.8 C 9.9 C 0.0 C 30% SW 6 KT 6.9 C/KM 0% 159 SAT 3 AM 11300 FT 6.1 C 10.6 C 0.0 C 31% WSW 5 KT 6.7 C/KM 0% 162 SAT 6 AM 10700 FT 5.9 C 10.8 C 0.0 C 33% WSW 5 KT 6.8 C/KM 0% 165 SAT 9 AM 9700 FT 5.8 C 10.9 C 0.0 C 33% WNW 6 KT 6.7 C/KM 0% 168 SAT 12 PM 9300 FT 6.0 C 10.7 C 0.0 C 28% NW 8 KT 6.8 C/KM 0% 171 SAT 3 PM 9100 FT 6.7 C 10.0 C 0.0 C 21% NW 9 KT 7.1 C/KM 0% 174 SAT 6 PM 9200 FT 7.1 C 9.7 C 0.0 C 15% WNW 8 KT 7.3 C/KM 0% 177 SAT 9 PM 9000 FT 7.5 C 9.2 C 0.0 C 14% WNW 8 KT 7.5 C/KM 0% 180 SUN 12 AM 9400 FT 7.3 C 9.5 C 0.0 C 15% NW 8 KT 7.4 C/KM 0%