Area Forecast Discussion
Issued by NWS Jackson, KY

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000 FXUS63 KJKL 180736 AFDJKL AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSON KY 336 AM EDT FRI APR 18 2014 .SHORT TERM...
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(TODAY THROUGH SATURDAY) ISSUED AT 336 AM EDT FRI APR 18 2014 DURING THE NIGHT...A MID/UPPER LEVEL TROUGH AND A DYING SURFACE COLD FRONT WAS WERE APPROACHING THE REGION FROM THE WEST AND NORTHWEST RESPECTIVELY. THE MOST SIGNIFICANT PORTION OF THE TROUGH WAS HEADING TOWARD THE GULF COAST REGION AND WAS TRIGGERING SURFACE LOW DEVELOPMENT THERE. AN EXTENSIVE CIRRUS SHIELD EXTENDED NORTH TO THE OHIO VALLEY. THE COLD FRONT SHOULD DEGRADE TO AN INVERTED TROUGH ASSOCIATED WITH THE SOUTHERN LOW AND WILL NOT BRING ANY SIGNIFICANT CHANGE IN AIR MASS. THE SOUTHERN LOW WILL PROGRESS SLOWLY TO THE ENE THROUGH SATURDAY. WE WILL REMAIN AT THE NW PERIPHERY OF ITS INFLUENCE. OUR LOW LEVEL AIR MASS IS NOT EXPECTED TO MOISTEN ENOUGH TO ALLOW FOR PRECIP. HOWEVER...EXTENSIVE CLOUDS WILL BE PRESENT THIS MORNING. THE CLOUD SHIELD IS EXPECTED TO SHOW AN OVERALL SHIFT TO THE SE WITH TIME...EVENTUALLY ALLOWING FOR SUNNY TO PARTLY SUNNY SKIES OVER THE LOCAL AREA ON SATURDAY. WITH THE CLOUDS BEING MOSTLY CIRRUS TODAY...WILL LOOK FOR ENOUGH INSOLATION FOR MILD AFTERNOON TEMPS AROUND 70. HOWEVER...THIS WILL BE DEPENDENT ON THE THICKNESS OF THE CLOUDS. IF THE CLOUDS ARE DENSE ENOUGH...IT COULD HOLD TEMPS DOWN...WHICH LOWERS CONFIDENCE IN THE TEMPERATURE FORECAST FOR TODAY. .LONG TERM...(SATURDAY NIGHT THROUGH THURSDAY) ISSUED AT 336 AM EDT FRI APR 18 2014 AN UPDATED LONG TERM DISCUSSION WILL BE ISSUED SHORTLY.
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&& .AVIATION...(FOR THE 06Z TAFS THROUGH 06Z FRIDAY NIGHT) ISSUED AT 216 AM EDT FRI APR 18 2014 VFR CONDITIONS AND LIGHT WINDS WILL PREVAIL THROUGH THE PERIOD. && .JKL WATCHES/WARNINGS/ADVISORIES... NONE. && $$ SHORT TERM...HAL LONG TERM...AR AVIATION...HAL

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