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Area Forecast Discussion

898
FXUS64 KMRX 201957
AFDMRX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
357 PM EDT WED AUG 20 2014

.SHORT TERM...(TONIGHT THROUGH THURSDAY...A FEW ONGOING STRONG
TO SEVERE STORMS MAY BE POSSIBLE THROUGH THE FIRST FEW HOURS OF
THE TONIGHT PERIOD. MOST OF THE SHOWERS AND STORMS SHOULD QUICKLY
DISSIPATE AS WE LOSE OUR DAYTIME HEATING SINCE THE ACTIVITY WILL BE
MAINLY DIURNALLY DRIVEN...ALTHOUGH A FEW SHOWERS AND STORMS MAY
LINGER AROUND UNTIL MIDNIGHT AS WE CONTINUE TO REMAIN MOIST AND
UNSTABLE. ANOTHER MILD NIGHT IS EXPECTED WITH IN THE MID TO UPPER
60S NORTH...NEAR 70 CENTRAL...AND LOWER 70S ACROSS THE SOUTHERN
VALLEY. THE BEST CHANCES OF RAIN AFTER MIDNIGHT APPEAR TO ACROSS
NETN AND SWVA AS THEY WILL STILL BE FIRMLY IN A NW FLOW PATTERN AND
WILL BE SUSCEPTIBLE TO THESE LITTLE IMPULSES COMING DOWN OUT OF THE
NW AND GENERATING SHOWERS AND STORMS.

TOMORROW THE RIDGE CONTINUES TO BUILD AND MOVES FURTHER EAST AND
INTO OUR AREA. THE BEST CHANCES FOR RAIN AND STORMS TOMORROW WILL
ONCE AGAIN BE ACROSS NETN AND SWVA AS THEY STILL HANG ON TO THE NW
FLOW. AFTER A FEW SHOWERS AND STORMS TOMORROW MORNING...SPOTTY
AFTERNOON CONVECTION LOOKS TO ONCE AGAIN DEVELOP IN THE HEAT OF THE
DAY ACROSS THESE AREAS. AS THE RIDGE BUILDS OVER OUR AREA SO WILL THE
TEMPS. TOMORROWS TEMPS WILL BE IN THE LOW TO MID 90S FOR THE
SOUTHERN VALLEY...NEAR 90 CENTRAL...AND MID TO UPPER 80S FOR NETN
AND SWVA.

.LONG TERM...(THURDAY NIGHT THROUGH WEDNESDAY)...UPPER RIDGE OVER
CENTRAL STATES IS NOSING INTO WESTERN SECTIONS OF THE FORECAST AREA
FRIDAY AND THROUGH THIS WEEKEND BUT SHORTWAVES MOVING AROUND RIDGE
WILL AFFECT THE NE SECTIONS FRIDAY BUT THEN MOVING FARTHER WEST
THROUGH TIME INTO NEXT WEEK. HIGH TEMPERATURES WILL BE ABOVE
NORMAL WITH HOTTEST TEMPERATURES TO THE SOUTHWEST. HIGHS WILL REACH
THE MID 90S IN SE TN THE WARMEST TEMPERATURES OF THE SUMMER. LOWS
WILL STAY WARM AS WELL IN THE UPPER 60S TO THWE LOWER 70.

&&

.PRELIMINARY POINT TEMPS/POPS...
CHATTANOOGA AIRPORT, TN             72  94  72  95 /  30  20  10  10
KNOXVILLE MCGHEE TYSON AIRPORT, TN  71  91  71  92 /  30  30  10  20
OAK RIDGE, TN                       71  91  71  92 /  30  30  10  20
TRI CITIES AIRPORT, TN              66  87  66  88 /  40  50  30  40

&&

.MRX WATCHES/WARNINGS/ADVISORIES...
NC...NONE.
TN...NONE.
VA...NONE.
&&

$$

SR/TD



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