GREAT SALT LAKE-EFFECT FORECAST OUTPUT ************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED AND UNOFFICIAL FORECAST * ************************************************************** CREATED/MAINTAINED BY TREVOR ALCOTT AND JIM STEENBURGH LAST UPDATE: 17:06:20 MDT 2018-04-19 For more on GSL temperatures: http://home.chpc.utah.edu/~u0198116/AVHRR/gsltemp.html 7-DAY MEAN GREAT SALT LAKE TEMPERATURE FROM AVHRR 10.1 C CLIMATOLOGICAL LAKE TEMPERATURE 14.3 C LAKE TEMPERATURE USED IN CALCULATIONS 12.2 C 04-19-2018 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 7000 FT -0.6 C 12.9 C 0.0 C 20% SSE 21 KT 8.0 C/KM 0% 3 THU 3 PM 7600 FT 0.6 C 11.7 C 0.0 C 22% SE 14 KT 8.3 C/KM 0% 6 THU 6 PM 7900 FT 1.3 C 10.9 C 0.0 C 26% SE 10 KT 8.6 C/KM 0% 9 THU 9 PM 7800 FT 0.1 C 12.1 C 0.0 C 32% ENE 13 KT 7.6 C/KM 0% 12 FRI 12 AM 7800 FT 1.5 C 10.7 C 0.0 C 27% NE 24 KT 8.5 C/KM 0% 15 FRI 3 AM 8800 FT 2.0 C 10.2 C 0.0 C 49% ESE 18 KT 9.1 C/KM 0% 18 FRI 6 AM 7200 FT -1.2 C 13.5 C 0.0 C 78% SSE 10 KT 8.1 C/KM 0% 21 FRI 9 AM 7500 FT -3.6 C 15.8 C 0.0 C 88% NW 7 KT 6.4 C/KM 0% 24 FRI 12 PM 7500 FT -3.6 C 15.9 C 0.0 C 98% NNW 10 KT 5.6 C/KM 0% 27 FRI 3 PM 8000 FT -2.5 C 14.7 C 0.0 C 92% N 15 KT 5.7 C/KM 0% 30 FRI 6 PM 9100 FT -1.4 C 13.6 C 0.0 C 79% NNW 29 KT 5.9 C/KM 0% 33 FRI 9 PM 8900 FT -0.8 C 13.0 C 0.0 C 66% NNW 30 KT 6.3 C/KM 0% 36 SAT 12 AM 8800 FT -0.2 C 12.4 C 0.0 C 66% N 19 KT 6.0 C/KM 0% 39 SAT 3 AM 9000 FT -0.6 C 12.9 C 0.0 C 74% NNW 13 KT 5.1 C/KM 0% 42 SAT 6 AM 8500 FT -1.1 C 13.3 C 0.0 C 75% NW 13 KT 4.7 C/KM 0% 45 SAT 9 AM 8200 FT -1.4 C 13.7 C 0.0 C 71% NNW 16 KT 4.6 C/KM 0% 48 SAT 12 PM 7900 FT -1.4 C 13.6 C 0.0 C 58% NNW 12 KT 4.9 C/KM 0% 51 SAT 3 PM 8100 FT 0.7 C 11.6 C 0.0 C 45% NNW 10 KT 5.8 C/KM 0% 54 SAT 6 PM 8200 FT 2.5 C 9.7 C 0.0 C 36% N 15 KT 6.5 C/KM 0% 57 SAT 9 PM 9500 FT 2.6 C 9.7 C 0.0 C 34% N 17 KT 6.5 C/KM 0% 60 SUN 12 AM 9400 FT 2.1 C 10.1 C 0.0 C 34% N 11 KT 6.3 C/KM 0% 63 SUN 3 AM 9300 FT 1.3 C 11.0 C 0.0 C 38% NNW 8 KT 6.1 C/KM 0% 66 SUN 6 AM 9200 FT 0.8 C 11.4 C 0.0 C 42% NNW 5 KT 6.0 C/KM 0% 69 SUN 9 AM 9100 FT 0.9 C 11.3 C 0.0 C 42% NNW 5 KT 6.1 C/KM 0% 72 SUN 12 PM 8700 FT 1.7 C 10.6 C 0.0 C 40% NW 1 KT 6.3 C/KM 0% 75 SUN 3 PM 8600 FT 3.1 C 9.1 C 0.0 C 35% S 6 KT 6.8 C/KM 0% 78 SUN 6 PM 9100 FT 4.4 C 7.8 C 0.0 C 30% S 10 KT 7.4 C/KM 0% 81 SUN 9 PM 8900 FT 4.6 C 7.6 C 0.0 C 33% SW 5 KT 7.9 C/KM 0% 84 MON 12 AM 10500 FT 4.2 C 8.0 C 0.0 C 39% SW 6 KT 8.1 C/KM 0% 04-19-2018 18Z GFS LAKE-700 FHR VALID TIME WETBULBZERO T700 LAKE-700 EXCESS RH850-700 WIND700 LAPSE700-500 GSLE PROB (%) AFFECTED AREAS 0 THU 12 PM 6500 FT -1.3 C 13.5 C 0.0 C 20% S 20 KT 8.1 C/KM 0% 3 THU 3 PM 7000 FT -0.5 C 12.7 C 0.0 C 20% SE 14 KT 8.2 C/KM 0% 6 THU 6 PM 7100 FT 0.2 C 12.1 C 0.0 C 21% ESE 9 KT 8.4 C/KM 0% 9 THU 9 PM 7300 FT 0.6 C 11.6 C 0.0 C 24% NE 19 KT 8.4 C/KM 0% 12 FRI 12 AM 7500 FT 1.3 C 10.9 C 0.0 C 24% E 24 KT 8.7 C/KM 0% 15 FRI 3 AM 7800 FT 0.2 C 12.0 C 0.0 C 43% SE 18 KT 8.2 C/KM 0% 18 FRI 6 AM 7400 FT -2.7 C 14.9 C 0.0 C 63% SE 4 KT 7.3 C/KM 0% 21 FRI 9 AM 7800 FT -3.4 C 15.7 C 0.0 C 76% N 13 KT 6.8 C/KM 0% 24 FRI 12 PM 7700 FT -2.7 C 15.0 C 0.0 C 71% NNE 16 KT 6.8 C/KM 0% 27 FRI 3 PM 7900 FT -3.3 C 15.5 C 0.0 C 67% N 13 KT 5.6 C/KM 0% 30 FRI 6 PM 8300 FT -2.1 C 14.3 C 0.0 C 57% N 24 KT 6.0 C/KM 0% 33 FRI 9 PM 8300 FT -1.2 C 13.5 C 0.0 C 52% N 25 KT 6.4 C/KM 0% 36 SAT 12 AM 8100 FT -0.6 C 12.8 C 0.0 C 47% N 21 KT 6.0 C/KM 0% 39 SAT 3 AM 7900 FT -1.1 C 13.3 C 0.0 C 49% N 16 KT 4.9 C/KM 0% 42 SAT 6 AM 7700 FT -1.4 C 13.6 C 0.0 C 48% NNW 13 KT 4.7 C/KM 0% 45 SAT 9 AM 7500 FT -1.6 C 13.9 C 0.0 C 48% NW 14 KT 4.8 C/KM 0% 48 SAT 12 PM 7500 FT -0.6 C 12.9 C 0.0 C 43% NW 11 KT 5.3 C/KM 0% 51 SAT 3 PM 7400 FT 1.0 C 11.2 C 0.0 C 29% NNW 11 KT 6.1 C/KM 0% 54 SAT 6 PM 8200 FT 1.2 C 11.0 C 0.0 C 32% NNW 15 KT 6.2 C/KM 0% 57 SAT 9 PM 9200 FT 1.6 C 10.7 C 0.0 C 40% NNW 16 KT 6.4 C/KM 0% 60 SUN 12 AM 8900 FT 2.3 C 9.9 C 0.0 C 37% N 10 KT 6.7 C/KM 0% 63 SUN 3 AM 8900 FT 1.9 C 10.3 C 0.0 C 39% NNW 7 KT 6.4 C/KM 0% 66 SUN 6 AM 8800 FT 1.6 C 10.6 C 0.0 C 40% N 5 KT 6.4 C/KM 0% 69 SUN 9 AM 8600 FT 1.8 C 10.4 C 0.0 C 37% E 3 KT 6.5 C/KM 0% 72 SUN 12 PM 8300 FT 2.4 C 9.8 C 0.0 C 32% SE 7 KT 6.6 C/KM 0% 75 SUN 3 PM 8800 FT 3.2 C 9.1 C 0.0 C 31% S 13 KT 6.8 C/KM 0% 78 SUN 6 PM 9700 FT 4.4 C 7.9 C 0.0 C 30% S 16 KT 7.7 C/KM 0% 81 SUN 9 PM 10000 FT 4.7 C 7.5 C 0.0 C 29% S 17 KT 8.0 C/KM 0% 84 MON 12 AM 9900 FT 5.3 C 6.9 C 0.0 C 27% SW 22 KT 8.4 C/KM 0% 87 MON 3 AM 9600 FT 5.8 C 6.4 C 0.0 C 26% SW 34 KT 8.9 C/KM 0% 90 MON 6 AM 9500 FT 2.7 C 9.5 C 0.0 C 39% WSW 23 KT 8.1 C/KM 0% 93 MON 9 AM 9500 FT -0.5 C 12.7 C 0.0 C 61% WSW 14 KT 7.1 C/KM 0% 96 MON 12 PM 9300 FT -1.3 C 13.5 C 0.0 C 70% WSW 18 KT 5.7 C/KM 0% 99 MON 3 PM 9000 FT -0.9 C 13.1 C 0.0 C 60% WSW 21 KT 5.0 C/KM 0% 102 MON 6 PM 8700 FT -0.2 C 12.5 C 0.0 C 47% WNW 20 KT 5.0 C/KM 0% 105 MON 9 PM 8300 FT 0.5 C 11.7 C 0.0 C 34% WNW 18 KT 5.2 C/KM 0% 108 TUE 12 AM 8100 FT 0.7 C 11.6 C 0.0 C 37% WNW 16 KT 5.4 C/KM 0% 111 TUE 3 AM 8200 FT 0.3 C 11.9 C 0.0 C 41% WNW 14 KT 5.5 C/KM 0% 114 TUE 6 AM 8000 FT 0.3 C 11.9 C 0.0 C 42% WNW 13 KT 5.6 C/KM 0% 117 TUE 9 AM 8000 FT 0.5 C 11.7 C 0.0 C 41% WNW 10 KT 5.6 C/KM 0% 120 TUE 12 PM 8300 FT 1.5 C 10.8 C 0.0 C 39% WSW 9 KT 6.0 C/KM 0% 123 TUE 3 PM 9000 FT 3.2 C 9.1 C 0.0 C 35% WSW 8 KT 6.7 C/KM 0% 126 TUE 6 PM 9400 FT 4.2 C 8.0 C 0.0 C 31% WSW 8 KT 7.2 C/KM 0% 129 TUE 9 PM 9800 FT 4.6 C 7.6 C 0.0 C 31% SW 8 KT 7.4 C/KM 0% 132 WED 12 AM 9800 FT 4.6 C 7.6 C 0.0 C 32% SW 9 KT 7.7 C/KM 0% 135 WED 3 AM 9700 FT 4.5 C 7.7 C 0.0 C 31% WSW 14 KT 8.0 C/KM 0% 138 WED 6 AM 10100 FT 4.2 C 8.0 C 0.0 C 34% W 13 KT 7.9 C/KM 0% 141 WED 9 AM 9900 FT 3.9 C 8.3 C 0.0 C 35% W 12 KT 7.8 C/KM 0% 144 WED 12 PM 9900 FT 4.0 C 8.2 C 0.0 C 36% WSW 13 KT 7.8 C/KM 0% 147 WED 3 PM 10000 FT 4.8 C 7.4 C 0.0 C 35% WSW 14 KT 8.0 C/KM 0% 150 WED 6 PM 9900 FT 5.1 C 7.2 C 0.0 C 32% W 15 KT 7.8 C/KM 0% 153 WED 9 PM 10200 FT 4.4 C 7.8 C 0.0 C 33% NW 14 KT 7.5 C/KM 0% 156 THU 12 AM 10400 FT 3.9 C 8.3 C 0.0 C 39% NW 13 KT 7.4 C/KM 0% 159 THU 3 AM 10200 FT 3.4 C 8.9 C 0.0 C 41% NW 15 KT 7.3 C/KM 0% 162 THU 6 AM 9700 FT 3.1 C 9.1 C 0.0 C 39% NW 16 KT 7.1 C/KM 0% 165 THU 9 AM 9400 FT 2.9 C 9.3 C 0.0 C 37% WNW 15 KT 6.8 C/KM 0% 168 THU 12 PM 9400 FT 3.1 C 9.2 C 0.0 C 36% WNW 11 KT 6.6 C/KM 0% 171 THU 3 PM 9500 FT 3.8 C 8.4 C 0.0 C 32% W 10 KT 6.7 C/KM 0% 174 THU 6 PM 9800 FT 4.8 C 7.4 C 0.0 C 29% WSW 11 KT 7.1 C/KM 0% 177 THU 9 PM 9500 FT 4.8 C 7.4 C 0.0 C 26% W 8 KT 7.1 C/KM 0% 180 FRI 12 AM 9200 FT 4.9 C 7.4 C 0.0 C 21% NW 11 KT 7.2 C/KM 0%