Area Forecast Discussion
Issued by NWS Paducah, KY

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000
FXUS63 KPAH 022345
AFDPAH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PADUCAH KY
645 PM CDT THU JUL 2 2015

.UPDATE...
ISSUED AT 644 PM CDT THU JUL 2 2015

THE AVIATION SECTION HAS BEEN UPDATED FOR THE 00Z TAF ISSUANCE.

&&

.SHORT TERM...(THIS EVENING THROUGH SATURDAY NIGHT)
ISSUED AT 233 PM CDT THU JUL 2 2015

CONVECTION CONTINUES ACROSS THE REGION...ESPECIALLY WEST KY THIS
AFTERNOON. LACK OF BULK SHEAR...WEAK MID LEVEL LAPSE RATES AND
ONLY MODEST INSTABILITY SHOULD PRECLUDE SEVERE WEATHER. IT`S A
NON ZERO CHANCE. CANNOT RULE OUT ISOLATED STRONG STORMS. OTHERWISE
NO CHANGE TO THIS NW FLOW PATTERN. PREFER TO GO WITH LOWER CHANCE
POPS THROUGH THE PERIOD GIVEN UNCERTAINTY WITH RESPECT TO COVERAGE
AND MODEL DIFFICULTY HANDLING THE SUBTLE WAVES MOVING THROUGH.
WITH TIME...WE SHOULD HAVE SLIGHTLY HIGHER POPS SOUTH VS. NORTH.
TEMPS WILL BE A BLEND OF MOS AND EXISTING NUMBERS.

.LONG TERM...(SUNDAY THROUGH THURSDAY)
ISSUED AT 233 PM CDT THU JUL 2 2015

ON SUNDAY...WE WILL STILL HAVE A VERY WEAK BOUNDARY HANGING AROUND
THE AREA. THIS BOUNDARY MIGHT HELP TO INITIATE SOME HEAT OF THE DAY
TYPE CONVECTION. HOWEVER...A WEAK RIDGE WILL BE BUILDING INTO THE
AREA IN THE WAKE OF A PASSING SHORTWAVE TROUGH...AND THAT WILL HELP
TO DRY THINGS OUT ABOVE 850 MB. THEREFORE...IF WE CAN GET STORMS
STARTED...THEY WILL LIKELY BE MAINLY SCATTERED AT BEST WITH THE
BETTER CHANCES IN OUR SOUTHERN COUNTIES CLOSER TO THE BETTER
MOISTURE. WHATEVER CONVECTION FIRES ON SUNDAY SHOULD COME TO AN END
ON SUNDAY NIGHT...SO WILL LEAVE THAT PERIOD DRY.

THE NEXT BIG WEATHER MAKER THAT WE WILL BE KEEPING AN EYE ON IS A
FRONTAL BOUNDARY WHICH WILL BE MAKING ITS WAY EAST TOWARD THE AREA
ON MONDAY NIGHT INTO TUESDAY. LOW LEVEL WINDS WILL SHIFT TO
SOUTHWESTERLY ON MONDAY SO TEMPERATURES WILL SURGE A BIT. WE COULD
HAVE SOME SCATTERED CONVECTION DURING THE DAY ON MONDAY AS
WELL...BUT THE BETTER CHANCES WILL PROBABLY BE AFTER MIDNIGHT MONDAY
NIGHT INTO TUESDAY MORNING...WHEN SHOWERS AND STORMS WILL DEVELOP
ALONG AND AHEAD OF THE INCOMING FRONT...STARTING IN THE WESTERN
SECTIONS OF THE CWA. THE SPEED OF THIS FRONT CONTINUES TO COME INTO
QUESTION AS WE HEAD FORWARD INTO THE EARLY PART OF THE WEEK. IT ALL
WILL DEPEND ON WHETHER OR NOT (AND WHEN EXACTLY) A SFC LOW WILL
DEVELOP ALONG THE FRONT TO HELP PUSH IT ALONG AND GENERATE
PRECIPITATION. HOWEVER...MODELS ARE TENDING TO AGREE THAT THIS MIGHT
OCCUR TUESDAY NIGHT INTO WEDNESDAY. THEREFORE...THAT MIGHT A TIME
PERIOD THAT WE COULD SEE SOME MORE WIDESPREAD HEAVY RAINFALL. BUT
THE TIMING WILL LIKELY BE ADJUSTED ONE WAY OR THE OTHER. EVEN AFTER
THE FRONT PASSES...WE WILL CONTINUE TO BE IN NORTHFLOW ALOFT WHICH
WILL MEAN UNSETTLED WEATHER WILL CONTINUE TO BE IN THE FORECAST.

TEMPERATURES WILL CONTINUE TO BE BELOW NORMAL FOR THIS TIME OF THE
YEAR AND STAYING MAINLY IN THE LOW TO MID 80S FOR HIGHS.
HOWEVER...LOOKING INTO THE LONGER TERM...IT LOOKS LIKE WE COULD BE
SEEING HIGHS NEAR 90 AS WE HEAD TOWARD THE END OF THE WEEK AND
INTO SATURDAY.

&&

.AVIATION...
ISSUED AT 644 PM CDT THU JUL 2 2015

A WEAK COLD FRONT HAS PUSHED THROUGH ALL SITES IN THE LAST FEW
HOURS...BUT IT IS EXPECTED TO LIFT BACK NORTH AT LEAST THROUGH
KPAH AND KOWB FRIDAY AS AN UPPER-LEVEL DISTURBANCE MOVES THROUGH
THE REGION. WINDS WILL BE LIGHT REGARDLESS OF WHERE THE FRONT IS
LOCATED THROUGH THE PERIOD.

SOME MVFR CEILINGS WILL FLIRT WITH KEVV AND KOWB THIS
EVENING...BUT A WORSENING TREND WITH CEILINGS IS EXPECTED
OVERNIGHT. IFR CEILINGS ARE BEING HIT PRETTY HARD IN THE LATEST
GUIDANCE...AND WOULD BE MOST LIKELY AT KEVV AND KOWB. MVFR
CEILINGS MAY WELL LINGER AT KEVV AND KOWB ALL DAY FRIDAY...WHILE
CONDITIONS ARE EXPECTED TO IMPROVE FARTHER SOUTHWEST.

A WEAK UPPER-LEVEL DISTURBANCE MAY BRING A FEW SHOWERS TO KCGI
AND KPAH OVERNIGHT...AND A FEW TS MAY BE POSSIBLE ALONG AND SOUTH
OF THE FRONT IN THE AFTERNOON..

&&

.PAH WATCHES/WARNINGS/ADVISORIES...
IL...NONE.
MO...NONE.
IN...NONE.
KY...NONE.
&&

$$

UPDATE...DRS
AVIATION...DRS


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