Area Forecast Discussion Issued by NWS Memphis, TN
000
FXUS64 KMEG 131638
AFDMEG
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEMPHIS TN
1138 AM CDT THU JUN 13 2013
.UPDATE...
A COLD FRONT CONTINUES TO PUSH THROUGH THE MIDSOUTH THIS MORNING.
THE FRONT IS CURRENTLY LOCATED ROUGHLY FROM PARIS TENNESSEE TO
NEAR HARRISBURG TENNESSEE. THUS FAR NO THUNDERSTORM DEVELOPMENT
HAS OCCURRED ALONG THE FRONT. WITH PEAK HEATING...EXPECT SOME
SHRAS/TSRAS TO BEGIN POPPING UP ALONG AND AHEAD OF THE FRONT BY
1-2 PM. CURRENT FORECAST LOOKS GOOD...WILL JUST REMOVE MORNING WORDING.
KRM
&&
.DISCUSSION... /ISSUED 306 AM CDT THU JUN 13 2013/
A VERY WARM AND HUMID NIGHT ACROSS THE MIDSOUTH WITH OCCASIONAL
BREEZES. SKIES WERE CLEAR ACROSS MOST OF THE AREA WITH PATCHY MID
CLOUDS SLIDING OVER THE NORTHERN COUNTIES. CURRENT APPROACHING
COLD FRONT WAS ENTERING SOUTHERN MISSOURI AND HAS BEEN INACTIVE IN
GENERATING CONVECTION AS A STOUT CAP REMAINS OVER THE REGION.
FOR TODAY...THE AFOREMENTIONED COLD FRONT WILL SLOWLY PASS THROUGH
THE AREA...PROVIDING SOME RELIEF IN THE HEAT AND HUMIDITY OVER
THE NORTH. A FEW THUNDERSTORMS ARE STILL EXPECTED FURTHER SOUTH
BUT ARE LIKELY TO STRUGGLE AS A 2-3C CAP WILL BE IN PLACE.
INTERESTING TO SEE THE 00Z NAM KEEPING THE MIDSOUTH PRECIPITATION
FREE...WHILE THE GFS IS MORE OPTIMISTIC THAT THE CAP WILL WEAKEN
ENOUGH DURING THE AFTERNOON ALONG AND SOUTH OF INTERSTATE FORTY.
THE LATEST ECMWF TAKES A BLEND OF THE NAM AND GFS. STILL FEEL THAT
STORMS WILL FORM AND BE WIDELY ISOLATED OVER WEST TENNESSEE AND
NORTHWEST MISSISSIPPI...WITH A BIT MORE COVERAGE INTENDED FOR
NORTHEAST MISSISSIPPI...WHERE A STRONG OR SEVERE STORM REMAINS
POSSIBLE IN THE 3-8PM TIME FRAME. LATER TONIGHT LIGHT NORTH WINDS
WILL CONTINUE TO USHER IN A MODIFIED COOLER AND DRIER
AIRMASS...WITH LOWS FALLING INTO THE 60S.
FRIDAY AND SATURDAY...NO CHANGE TO THE ON-GOING FORECAST THIS
PERIOD. FRIDAY WILL BE MORE SEASONAL WITH COMFORTABLE HUMIDITY AS
SURFACE HIGH PRESSURE TRACKS THROUGH THE GREAT LAKES AND OHIO
VALLEY. LIGHT NORTHEAST WINDS WILL SHIFT TO THE SOUTH ON
SATURDAY...ALLOWING A RETURN TO DEWPOINTS NEAR 70F BY LATE
AFTERNOON. TEMPERATURES WILL ALSO INCH BACK TO THE LOW 90S FOR
MOST LOCATIONS.
SUNDAY THROUGH WEDNESDAY...EXTENDED MODEL SOLUTIONS CONTINUE TO
SHOW THE UPPER LEVEL RIDGE FLATTENING WITH WEAK DISTURBANCES
SPARKING OFF SCATTERED CONVECTION BOTH DAY AND NIGHT. A SECOND
WEAK COLD FRONT WILL ALSO DROP SOUTHEAST BY TUESDAY. IT APPEARS
THAT THIS FRONT WILL STALL OVER NORTH MISSISSIPPI...KEEPING A
THREAT FOR RAIN THERE INTO WEDNESDAY...WHILE THE NORTH CATCHES A
BREAK. TEMPERATURES THIS PERIOD WILL HOVER IN THE 90-95F
RANGE...WITH HEAT INDICES RETURNING TO THE LOW 100`S.
JAB
&&
.AVIATION...
12Z TAF CYCLE (13/12Z-14/12Z)
MOSTLY VFR CONDITIONS WILL CONTINUE THROUGH THE PERIOD. A WEAK COLD
FRONT WILL MOVE THROUGH THE REGION TODAY FROM THE NORTH. AS IN THE
PREVIOUS FORECASTS...MENTIONED VCTS AT KMEM...KMKL...AND KTUP. THINK
THE BEST CHANCE OF A TSRA WILL BE ACROSS NORTH MS THIS AFTERNOON.
GUSTY WESTERLY WINDS WILL GRADUALLY TURN TO THE NORTHWEST DURING THE
DAY. WINDS DIMINISHING TONIGHT BECOMING NE 4-7 KTS.
JCL
&&
&&
.PRELIMINARY POINT TEMPS/POPS...
MEM 93 68 88 67 / 20 10 0 0
MKL 90 63 84 60 / 20 0 0 10
JBR 92 65 85 64 / 10 0 0 0
TUP 93 65 88 63 / 40 10 0 10
&&
.MEG WATCHES/WARNINGS/ADVISORIES...
AR...NONE.
MO...NONE.
MS...NONE.
TN...NONE.
&&
$$