Area Forecast Discussion
Issued by NWS Wilmington, OH

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000
FXUS61 KILN 302115
AFDILN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
515 PM EDT TUE JUN 30 2015

.SYNOPSIS...
A WEAK FRONTAL BOUNDARY WILL DROP INTO THE REGION TONIGHT THEN A SURFACE
HIGH PRESSURE SYSTEM WILL SETTLE OVER THE REGION FOR WEDNESDAY. A
LOW PRESSURE CENTER WILL SWING EAST THROUGH KENTUCKY ON THURSDAY
AND THURSDAY NIGHT.

&&

.NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/...
LINE OF CONVECTION IS ARCING FROM EXTREME SE INDIANA ACROSS NRN
KENTUCKY AND ACROSS TO SOUTH CENTRAL OHIO. THIS CONVECTION IS
EXPECTED TO CONTINUE TO SLOWLY DRIFT SOUTHWARD. MEANWHILE
ADDITIONAL CONVECTION CONTINUES DEVELOP BACK A LITTLE FARTHER WEST
IN SRN INDIANA. 18Z HRRR HAD THE CONVECTION CONTINUING TO BUBBLE
UP FOR THE NEXT SEVERAL HOURS AND POSSIBLY DRIFTING INTO THE FA.
IN ADDITION SOME ISOLATED CONVECTION WILL MOVE IN FROM NW INDIANA
INTO THE WEST CENTRAL COUNTIES.

OVERALL...CONVECTION WILL DIE DOWN BY MIDNIGHT. AS WEAK HIGH
PRESSURE TRIES TO BUILD IN.

LOWS WILL DROP DOWN INTO THE UPPER 50S IN THE NW...AND THE LOWER
60S ELSEWHERE.

&&

.SHORT TERM /6 AM WEDNESDAY MORNING THROUGH THURSDAY NIGHT/...
HIGH PRESSURE OVER THE SRN GREAT LAKES WILL KEEP THE NORTH DRY ON
WEDNESDAY. THE STALLED...WEAK FRONTAL BOUNDARY WILL ACT TO HELP
SOME ISOLATED CONVECTION TO DEVELOP ACROSS KENTUCKY.

BY WEDNESDAY NIGHT A LOW PRESSURE WILL BE DEVELOPING IN THE
MISSISSIPPI VALLEY. IT WILL SWING INTO THE OHIO VALLEY THURSDAY.
AHEAD OF IT SHOWERS AND THUNDERSTORMS WILL DEVELOP AND WILL AFFECT
KENTUCKY INTO SOUTHERN OHIO. KEPT HIGH CHANCE POPS ACROSS NRN KY
INTO SRN OHIO AS THE SYSTEM SLIPS BY.

TEMPERATURES WILL REMAIN BELOW NORMAL WITH HIGHS MAINLY IN THE 70S.

&&

.LONG TERM /FRIDAY THROUGH TUESDAY/...
UPPER TROUGH RESIDING OVER EASTERN CONUS WILL KEEP UNSETTLED WEATHER
PATTERN OVER THE REGION. LACK OF STRONG FORCING SHOULD RESULT IN
SCATTERED TO ISOLATED CONVECTION UNTIL A COLD FRONT BRINGS A BETTER
CHANCE FOR THUNDERSTORMS ON TUESDAY.

MAIN CONCERN FRIDAY AND SATURDAY WILL BE SCATTERED THUNDERSTORMS
THAT MAY DEVELOP MAINLY IN SOUTHERN LOCATIONS IN THE VICINITY OF A
STALLED BOUNDARY. A BETTER CHANCE FOR THUNDERSTORMS IS FORECAST FOR
SUNDAY WHEN A RATHER LARGE SURGE OF MOISTURE IS SHOWN TO ARRIVE
ON A SOUTHERLY LOW LEVEL FLOW. EXPECT A RELATIVE LULL IN CONVECTION
MONDAY WHEN MODELS INDICATE WEAK HIGH PRESSURE. COLD FRONT COULD
BRING ANOTHER ROUND OF THUNDERSTORMS TO MOST LOCATIONS ON TUESDAY.

WITH LOWER THAN AVERAGE 500 MB HEIGHTS AND THE PRESENCE OF CLOUDS
AND PRECIP COUPLED WITH A LACK OF STRONG WARM ADVECTION...EXPECT
TEMPERATURES TO BE A BIT BELOW NORMAL. HIGHS ARE FORECAST TO BE
AROUND 80 EACH DAY...COMPARED TO NORMAL HIGHS IN THE MID 80S.

&&

.AVIATION /20Z TUESDAY THROUGH SUNDAY/...
CONVECTION IS FIRING ALONG AND AHEAD OF THE UPPER TROUGH AND IS
EXPECTED TO DECREASE WITH THE END OF DAYTIME HEATING. BKN VFR TO
OCCASIONALLY MVFR CLOUDS WILL SCATTER OUT THIS EVENING WITH FOG
DEVELOPING TOWARDS DAYBREAK ALONG WITH SOME LIFR CIGS AT KCVG/KLUK
AND POSSIBLY KILN.

SKIES SHOULD LIFT AND SCATTER TOMORROW MORNING IN A LESS FAVORABLE
AIRMASS FOR THUNDERSTORM DEVELOPMENT.

OUTLOOK...THUNDERSTORMS POSSIBLE WEDNESDAY NIGHT INTO THURSDAY AND
AGAIN FRIDAY NIGHT INTO SATURDAY.

&&

.ILN WATCHES/WARNINGS/ADVISORIES...
OH...NONE.
KY...NONE.
IN...NONE.

&&

$$
SYNOPSIS...FRANKS/SITES
NEAR TERM...SITES
SHORT TERM...SITES
LONG TERM...CONIGLIO
AVIATION...FRANKS







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