473 
FXUS64 KOHX 231424
AFDBNA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
924 AM CDT TUE APR 23 2002

13Z SURFACE ANALYSIS PLACES COOL HIGH PRESSURE CENTERED OVER THE
SOUTHERN GREAT LAKES REGION EXTENDING EAST OFF THE EAST COAST
AND SOUTH TO THE GULF OF MEXICO. TO THE WEST...A DEVELOPING LOW
PRESSURE AREA WAS LOCATED OVER WEST TEXAS WITH A WARM FRONT
STRETCHING FROM THE LOW EAST ACROSS OKLAHOMA INTO WESTERN ARKANSAS.
ACROSS THE FORECAST AREA...HIGH PRESSURE WAS PROVIDING COOL AND DRY
CONDITIONS...OVERNIGHT LOWS DROPPED DOWN INTO THE 30S AT SEVERAL
LOCATIONS.

IR SATELLITE LOOP SHOWS MOSTLY CLEAR SKIES OVER MIDDLE
TENNESSEE HOWEVER...A LARGE CONVECTIVE COMPLEX ALONG THE WARM FRONT
IN NORTHEAST OKLAHOMA AND ARKANSAS WAS GENERATING CLOUDS UPSTREAM
WHICH WILL LIKELY MOVE OVER THE FORECAST AREA DURING THE AFTERNOON.

THE HIGH PRESSURE SYSTEM WILL MOVE OFF TO THE NORTHEAST AS A WARM
FRONT DEVELOPS OVER MISSISSIPPI DURING THE DAY. THE WARM FRONT IS
FORECAST TO MOVE ACROSS THE FORECAST AREA THIS EVENING. ALONG AND
JUST AHEAD OF THE WARM FRONT ISOLATED TO SCATTERED SHOWERS AND
THUNDERSTORMS COULD DEVELOP. THE WARM FRONT SHOULD MOVE NORTH INTO
THE OHIO VALLEY ON WEDNESDAY AND A COLD FRONT APPROACHES MIDDLE
TENNESSEE FROM THE WEST LATE IN THE DAY. WITH THE COLD FRONT...EXPECT
ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS OVERNIGHT WEDNESDAY.

WILL MONITOR CLOUD COVER TO INFLUENCE ZONE FORECAST UPDATE FOR SKY
CONDITION AND AFTERNOON HIGH TEMPERATURES.

.BNA...NONE
05