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000
FXUS63 KJKL 230740 AAA
AFDJKL

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE JACKSON KY
340 AM EDT THU MAY 23 2013

.SHORT TERM...(TODAY THROUGH FRIDAY)
ISSUED AT 340 AM EDT THU MAY 23 2013

AN UPPER LEVEL TROUGH CURRENTLY TRAVERSING THE WESTERN GREAT LAKES
REGION WILL MOVE THROUGH THE COMMONWEALTH LATE THIS AFTERNOON.
THE COMBINATION OF HEATING AND FORCING ASSOCIATED WITH THIS FEATURE
WILL INITIATE ANOTHER ROUND OF SCATTERED TO NUMEROUS SHOWERS...ALONG
WITH A FEW THUNDERSTORMS ACROSS THE AREA THIS AFTERNOON. HIGHS WILL
BE MORE SEASONABLE TODAY...WITH MID TO UPPER 70S FOR MOST LOCATIONS.

THE SHOWER ACTIVITY WILL GRADUALLY WIND DOWN TONIGHT FROM WEST TO
EAST AS MUCH COOLER AND DRIER AIR ADVECT IN BEHIND THE DEPARTING
TROUGH. LOW STRATUS WILL LIKELY SET IN OVERNIGHT WITH THE LOW LEVEL
FLOW OUT OF THE NORTHWEST. LOWS WILL BOTTOM OUT IN THE UPPER 40S TO
AROUND 50 DEGREES.

FRIDAY WILL FEATURE A BEAUTIFUL DAY...WITH MOSTLY SUNNY SKIES AND
HIGHS TOPPING OUT IN THE MID TO UPPER 60S.

.LONG TERM...(FRIDAY NIGHT THROUGH WEDNESDAY)
ISSUED AT 220 PM EDT WED MAY 22 2013

OUR WEATHER PATTERN WILL START OUT WITH A DEEP UPPER LEVEL TROUGH
OVER THE EAST COAST WITH DRY NORTHWEST FLOW IN PLACE OVER EAST
KENTUCKY THROUGH THE WEEKEND. TEMPERATURES WILL BE BELOW NORMAL WITH
HIGHS MAINLY IN THE 60S...WITH SOME LOW 70S BY SUNDAY. THIS TROUGH
WILL GRADUALLY SHIFT EAST WITH SOMEWHAT FLAT UPPER LEVEL RIDGING
BUILDING INTO THE REGION NEXT WEEK. TEMPERATURES WILL WARM WITH TIME
AS THIS TAKES PLACE...BUT RAIN CHANCES WILL ALSO REAPPEAR AS A
SERIES OF WEAK SHORTWAVES PASS THROUGH THE BUILDING RIDGE. WILL
ADVERTISE 20-30 POPS FROM SUNDAY NIGHT THROUGH WEDNESDAY...ALTHOUGH
IT APPEARS INSTABILITY REMAINS ABSENT UNTIL TUESDAY WHEN SOME
THUNDER WILL BE ADDED.

&&

.AVIATION...(FOR THE 06Z TAFS THROUGH 06Z THURSDAY NIGHT)
ISSUED AT 219 AM EDT THU MAY 23 2013

FOG AND LOW CLOUDS WILL BE THE FIRST CONCERN OVERNIGHT. VISIBILITY
WILL BE HIGHLY VARIABLE AS FOG TRIES TO FORM DESPITE THE DEVELOPMENT
OF A STRATOCU DECK BETWEEN 2 AND 3K FEET AGL. HAVE GONE WITH MAINLY
MVFR CONDITIONS AT LOZ AND SME...WITH IFR AT JKL...HOWEVER TEMPORARY
FLUCTUATIONS ESPECIALLY IN VISIBILITY COULD BRING IFR OR WORSE
CONDITIONS THROUGH DAWN. A COLD FRONT WILL MOVE THROUGH DURING THE
DAY...WITH SOME SCATTERED SHOWER ACTIVITY. WINDS WILL ALSO SHIFT TO
THE WEST AND COULD GUST IN THE 20 KT RANGE DURING THE AFTERNOON. MVFR
STRATOCU WILL BUILD IN TONIGHT...WHICH MAY EVENTUALLY DESCEND TO IFR
STATUS.


&&

.JKL WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$

SHORT TERM...GEOGERIAN
LONG TERM...ABE
AVIATION...GEOGERIAN