Area Forecast Discussion
Issued by NWS Jackson, KY

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494 FXUS63 KJKL 221947 AFDJKL AREA FORECAST DISCUSSION National Weather Service Jackson KY 347 PM EDT Tue May 22 2018 .SHORT TERM...
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(This evening through Wednesday night) Issued at 347 PM EDT TUE MAY 22 2018 Available shortly... .LONG TERM...(Thursday through Tuesday) Issued at 347 PM EDT TUE MAY 22 2018 The period will begin with upper level ridge stretching from the Southeast US into Canada. This combined with surface high pressure will keep the area mostly rain free through Thursday. This high amplitude ridge will suppress through the period, as a short wave trough develops across the Upper Midwest. Then by the end of the period we could see some interaction from a tropical system developing in the Gulf of Mexico. The weakening upper level ridge and interaction with Gulf Moisture will allow for at least isolated to even some periods of scattered thunderstorms for much of the end of the period. Given the more summer like pattern the peak chances would be in the afternoon and early evening with the day time heating. The lack of shear will keep much of this activity unorganized, and by the weekend into early next week the PWATs increase such that more heavy rainfall could come from any thunderstorms that develop.
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&& .AVIATION...(For the 12Z TAFS through 12Z Wednesday morning) ISSUED AT 759 AM EDT TUE MAY 22 2018 Expect a few instances of MVFR and IFR conditions this morning as the left over valley fog lingers into mid morning. This fog will burn off by mid morning as some showers and thunderstorms will develop and move into the area by midday. Scattered activity will continue into tonight. A weak front will push to the southeast as sky cover will slowly clear from the northwest. With this, fog will begin to form in the valleys late tonight and persist into the dawn hours. Winds will remain light through the period outside of thunderstorms. && .JKL WATCHES/WARNINGS/ADVISORIES... NONE. && $$ SHORT TERM...RAY LONG TERM...DJ AVIATION...SHALLENBERGER

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