GREAT SALT LAKE-EFFECT FORECAST OUTPUT ************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED AND UNOFFICIAL FORECAST * ************************************************************** CREATED/MAINTAINED BY TREVOR ALCOTT AND JIM STEENBURGH LAST UPDATE: 11:06:15 MDT 2020-04-04 For more on GSL temperatures: http://home.chpc.utah.edu/~u0198116/AVHRR/gsltemp.html 7-DAY MEAN GREAT SALT LAKE TEMPERATURE FROM AVHRR 8.8 C CLIMATOLOGICAL LAKE TEMPERATURE 11.9 C LAKE TEMPERATURE USED IN CALCULATIONS 10.3 C 04-04-2020 12Z NAM12 LAKE-700 FHR VALID TIME WETBULBZERO T700 LAKE-700 EXCESS RH850-700 WIND700 LAPSE700-500 GSLE PROB (%) AFFECTED AREAS 0 SAT 6 AM 0 FT -4.2 C 14.6 C 0.0 C 35% SW 17 KT 6.6 C/KM 0% 3 SAT 9 AM 0 FT -5.3 C 15.6 C 0.0 C 36% SW 12 KT 6.1 C/KM 0% 6 SAT 12 PM 5500 FT -5.4 C 15.7 C 0.0 C 34% SW 13 KT 6.0 C/KM 0% 9 SAT 3 PM 6200 FT -3.8 C 14.1 C 0.0 C 34% SSW 16 KT 6.4 C/KM 0% 12 SAT 6 PM 6900 FT -1.6 C 11.9 C 0.0 C 32% SSW 19 KT 7.1 C/KM 0% 15 SAT 9 PM 7300 FT -0.1 C 10.4 C 0.0 C 30% SSW 33 KT 7.7 C/KM 0% 18 SUN 12 AM 7800 FT -0.3 C 10.6 C 0.0 C 40% SSW 32 KT 7.7 C/KM 0% 21 SUN 3 AM 7500 FT -1.4 C 11.7 C 0.0 C 52% SW 22 KT 7.3 C/KM 0% 24 SUN 6 AM 6800 FT -2.1 C 12.4 C 0.0 C 66% SW 27 KT 7.4 C/KM 0% 27 SUN 9 AM 7400 FT -3.0 C 13.3 C 0.0 C 76% SW 29 KT 7.1 C/KM 0% 30 SUN 12 PM 7800 FT -2.8 C 13.1 C 0.0 C 72% SSW 31 KT 7.1 C/KM 0% 33 SUN 3 PM 8300 FT -2.2 C 12.5 C 0.0 C 57% SSW 27 KT 7.2 C/KM 0% 36 SUN 6 PM 8500 FT -0.1 C 10.4 C 0.0 C 48% SSW 28 KT 8.0 C/KM 0% 39 SUN 9 PM 8300 FT -1.2 C 11.6 C 0.0 C 50% SSW 31 KT 7.3 C/KM 0% 42 MON 12 AM 7500 FT -1.2 C 11.6 C 0.0 C 49% SSW 35 KT 7.4 C/KM 0% 45 MON 3 AM 7700 FT -2.3 C 12.6 C 0.0 C 60% SSW 40 KT 6.9 C/KM 0% 48 MON 6 AM 7200 FT -2.8 C 13.2 C 0.0 C 62% SSW 33 KT 7.3 C/KM 0% 51 MON 9 AM 7000 FT -3.9 C 14.2 C 0.0 C 64% SSW 29 KT 7.2 C/KM 0% 54 MON 12 PM 7200 FT -4.1 C 14.4 C 0.0 C 67% SSW 29 KT 7.1 C/KM 0% 57 MON 3 PM 7700 FT -3.6 C 13.9 C 0.0 C 55% SSW 27 KT 7.1 C/KM 0% 60 MON 6 PM 7600 FT -3.0 C 13.3 C 0.0 C 51% SSW 27 KT 7.3 C/KM 0% 63 MON 9 PM 7400 FT -2.4 C 12.7 C 0.0 C 50% SW 25 KT 7.8 C/KM 0% 66 TUE 12 AM 7300 FT -3.0 C 13.3 C 0.0 C 51% SW 11 KT 7.4 C/KM 0% 69 TUE 3 AM 7100 FT -3.9 C 14.2 C 0.0 C 56% WSW 11 KT 6.6 C/KM 0% 72 TUE 6 AM 7100 FT -4.2 C 14.5 C 0.0 C 60% SW 9 KT 6.1 C/KM 0% 75 TUE 9 AM 6800 FT -4.3 C 14.6 C 0.0 C 57% SW 12 KT 6.2 C/KM 0% 78 TUE 12 PM 7100 FT -4.3 C 14.6 C 0.0 C 56% SSW 13 KT 6.7 C/KM 0% 81 TUE 3 PM 7700 FT -3.3 C 13.6 C 0.0 C 58% SW 11 KT 7.0 C/KM 0% 84 TUE 6 PM 8100 FT -2.5 C 12.8 C 0.0 C 60% WSW 7 KT 6.7 C/KM 0% 04-04-2020 12Z GFS LAKE-700 FHR VALID TIME WETBULBZERO T700 LAKE-700 EXCESS RH850-700 WIND700 LAPSE700-500 GSLE PROB (%) AFFECTED AREAS 0 SAT 6 AM 0 FT -5.5 C 15.8 C 0.0 C 30% SW 14 KT 6.3 C/KM 0% 3 SAT 9 AM 0 FT -6.1 C 16.5 C 0.0 C 31% SW 11 KT 5.7 C/KM 0% 6 SAT 12 PM 5500 FT -5.3 C 15.6 C 0.0 C 33% SW 16 KT 6.1 C/KM 0% 9 SAT 3 PM 6400 FT -3.0 C 13.3 C 0.0 C 34% SSW 15 KT 6.8 C/KM 0% 12 SAT 6 PM 7200 FT -0.7 C 11.1 C 0.0 C 33% SSW 23 KT 7.7 C/KM 0% 15 SAT 9 PM 7700 FT 0.7 C 9.6 C 0.0 C 30% SSW 35 KT 7.9 C/KM 0% 18 SUN 12 AM 7700 FT -0.1 C 10.4 C 0.0 C 34% SW 30 KT 7.8 C/KM 0% 21 SUN 3 AM 7400 FT -1.9 C 12.2 C 0.0 C 48% SW 29 KT 7.1 C/KM 0% 24 SUN 6 AM 7000 FT -2.8 C 13.1 C 0.0 C 58% SW 23 KT 7.1 C/KM 0% 27 SUN 9 AM 7400 FT -3.1 C 13.4 C 0.0 C 78% SW 27 KT 7.0 C/KM 0% 30 SUN 12 PM 8100 FT -3.1 C 13.4 C 0.0 C 73% S 32 KT 6.9 C/KM 0% 33 SUN 3 PM 8400 FT -1.1 C 11.5 C 0.0 C 51% SSW 35 KT 7.7 C/KM 0% 36 SUN 6 PM 8600 FT 0.5 C 9.8 C 0.0 C 41% SSW 38 KT 8.0 C/KM 0% 39 SUN 9 PM 8400 FT 0.3 C 10.0 C 0.0 C 42% SSW 37 KT 8.0 C/KM 0% 42 MON 12 AM 7800 FT 0.1 C 10.2 C 0.0 C 41% SSW 47 KT 8.3 C/KM 0% 45 MON 3 AM 7500 FT -1.0 C 11.3 C 0.0 C 47% SSW 45 KT 7.7 C/KM 0% 48 MON 6 AM 7300 FT -2.5 C 12.8 C 0.0 C 45% S 43 KT 7.5 C/KM 0% 51 MON 9 AM 7100 FT -3.5 C 13.8 C 0.0 C 52% SSW 51 KT 7.4 C/KM 0% 54 MON 12 PM 7400 FT -3.1 C 13.4 C 0.0 C 46% SSW 39 KT 7.6 C/KM 0% 57 MON 3 PM 7700 FT -1.9 C 12.2 C 0.0 C 42% SSW 29 KT 8.2 C/KM 0% 60 MON 6 PM 8100 FT -1.2 C 11.5 C 0.0 C 43% SW 23 KT 8.2 C/KM 0% 63 MON 9 PM 8100 FT -2.5 C 12.8 C 0.0 C 60% SSW 24 KT 7.4 C/KM 0% 66 TUE 12 AM 7800 FT -2.7 C 13.0 C 0.0 C 57% SSW 19 KT 7.3 C/KM 0% 69 TUE 3 AM 7600 FT -3.1 C 13.4 C 0.0 C 60% SW 13 KT 6.8 C/KM 0% 72 TUE 6 AM 7600 FT -3.6 C 13.9 C 0.0 C 69% SW 24 KT 6.6 C/KM 0% 75 TUE 9 AM 7400 FT -4.2 C 14.5 C 0.0 C 81% SW 19 KT 6.6 C/KM 0% 78 TUE 12 PM 7900 FT -3.9 C 14.2 C 0.0 C 62% SW 12 KT 6.7 C/KM 0% 81 TUE 3 PM 8200 FT -3.0 C 13.3 C 0.0 C 60% SW 11 KT 6.9 C/KM 0% 84 TUE 6 PM 8200 FT -1.6 C 11.9 C 0.0 C 52% SW 18 KT 7.5 C/KM 0% 87 TUE 9 PM 8100 FT -1.4 C 11.7 C 0.0 C 45% WSW 12 KT 7.6 C/KM 0% 90 WED 12 AM 7900 FT -1.8 C 12.1 C 0.0 C 46% WSW 8 KT 7.2 C/KM 0% 93 WED 3 AM 7800 FT -2.0 C 12.3 C 0.0 C 44% W 8 KT 7.1 C/KM 0% 96 WED 6 AM 8200 FT -2.6 C 12.9 C 0.0 C 53% WNW 6 KT 6.8 C/KM 0% 99 WED 9 AM 8200 FT -2.0 C 12.3 C 0.0 C 54% N 7 KT 6.9 C/KM 0% 102 WED 12 PM 8200 FT -1.3 C 11.6 C 0.0 C 58% ENE 8 KT 7.0 C/KM 0% 105 WED 3 PM 8700 FT -0.9 C 11.2 C 0.0 C 57% ENE 13 KT 6.9 C/KM 0% 108 WED 6 PM 9000 FT -0.1 C 10.4 C 0.0 C 51% NE 12 KT 7.0 C/KM 0% 111 WED 9 PM 8200 FT 0.6 C 9.7 C 0.0 C 35% NE 12 KT 7.2 C/KM 0% 114 THU 12 AM 7500 FT -0.7 C 11.0 C 0.0 C 35% NE 13 KT 6.5 C/KM 0% 117 THU 3 AM 6900 FT -0.3 C 10.7 C 0.0 C 36% NNE 21 KT 6.6 C/KM 0% 120 THU 6 AM 6200 FT -1.1 C 11.4 C 0.0 C 33% NNE 15 KT 6.3 C/KM 0% 123 THU 9 AM 6000 FT -1.2 C 11.5 C 0.0 C 35% N 23 KT 6.6 C/KM 0% 126 THU 12 PM 6200 FT -0.9 C 11.2 C 0.0 C 39% N 20 KT 6.3 C/KM 0% 129 THU 3 PM 7100 FT -0.3 C 10.6 C 0.0 C 43% N 16 KT 6.1 C/KM 0% 132 THU 6 PM 8000 FT -0.7 C 11.0 C 0.0 C 46% NW 16 KT 5.8 C/KM 0% 135 THU 9 PM 8200 FT 0.0 C 10.3 C 0.0 C 40% NW 20 KT 6.1 C/KM 0% 138 FRI 12 AM 8300 FT -0.1 C 10.5 C 0.0 C 41% WNW 13 KT 6.1 C/KM 0% 141 FRI 3 AM 8000 FT 0.2 C 10.1 C 0.0 C 41% WNW 14 KT 6.1 C/KM 0% 144 FRI 6 AM 7900 FT -0.7 C 11.1 C 0.0 C 45% NW 17 KT 5.6 C/KM 0% 147 FRI 9 AM 8000 FT -1.0 C 11.3 C 0.0 C 49% WNW 16 KT 5.5 C/KM 0% 150 FRI 12 PM 8100 FT -1.2 C 11.5 C 0.0 C 48% W 19 KT 5.5 C/KM 0% 153 FRI 3 PM 8400 FT -0.9 C 11.2 C 0.0 C 45% W 16 KT 5.7 C/KM 0% 156 FRI 6 PM 8300 FT 0.6 C 9.7 C 0.0 C 33% W 18 KT 6.2 C/KM 0% 159 FRI 9 PM 8600 FT 1.6 C 8.7 C 0.0 C 29% WNW 17 KT 6.8 C/KM 0% 162 SAT 12 AM 8500 FT 1.5 C 8.8 C 0.0 C 31% WNW 17 KT 6.8 C/KM 0% 165 SAT 3 AM 7600 FT 0.5 C 9.8 C 0.0 C 33% W 22 KT 6.5 C/KM 0% 168 SAT 6 AM 7500 FT -0.7 C 11.0 C 0.0 C 42% WNW 26 KT 6.3 C/KM 0% 171 SAT 9 AM 7500 FT -3.2 C 13.5 C 0.0 C 68% W 25 KT 5.6 C/KM 0% 174 SAT 12 PM 7200 FT -4.8 C 15.2 C 0.0 C 72% W 20 KT 5.1 C/KM 0% 177 SAT 3 PM 7100 FT -4.9 C 15.2 C 0.0 C 59% WNW 21 KT 5.8 C/KM 0% 180 SAT 6 PM 7200 FT -4.6 C 15.0 C 0.0 C 77% NW 16 KT 6.3 C/KM 0%