Flash Flood Warning 19, NWS Wilmington, OH

FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
830 PM EDT WED APR 15 1998

WARM FRNT PUSHING THRU XTRM N COUNTIES OF CWA. SHRA DEVELOPG NR THIS
BNDRY SHUD LIFT N/E OF CWA DURG NEXT COUPLE OF HRS. MEANWHILE...
NUMEROUS SHRA/TSRA MOVG THRU S HLF OF CWA...IN AREA OF SFC MSTR CONVRG
AND N OF SECOND WARM FRNT PUSHING INTO N KY. TSTMS HAVE PUSHED OUT
OF SW COUNTIES OF CWA...WITH ADDL TSTMS DEVELOPING INVOF WARM FRNT
ACRS S CNTL/SW IN AND FURTHER TO W ACRS E MO/S IL.

S WARM FRNT WL CONT TO PRESS TWD N AND INTO CWA OVERNITE. SFC DWPTS WL
CONT TO RISE...INTO LWR 60S ACRS S. ALSO...LOW LVL JET/ASSOCIATED
FORCING WL INTENSIFY/PUSH INTO S/CNTL SECTIONS AND UPR LVL DIVERGC
WL INCR AS N JET MAX HEADS INTO GREAT LAKES AND S JET MAX APPROACHES
REGION FROM SW. WITH THESE INGREDIENTS IN PLACE...CONDITIONS WL REMAIN
FAVORABLE FOR SHRA/TSRA TO DEVELOP WITHIN AND PUSH INTO CWA THRU NITE.

FCST WIND PROFILE/INSTABILITY COMBINATION SHUD KEEP SVR THREAT GOING
THRU NITE. ALSO...WITH CONTINUED REDEVELOPMNT OVERNITE...AND GIVEN
HVY RAFL THAT HAS ALREADY FALLEN IN SOME LOCATIONS...POTENTIAL EXISTS
FOR EXCESSIVE RAFL. INITIALLY...GREATEST THREAT FOR HVY RAFL WL BE S OF
RICH-DAY-CMH LINE...BUT HVY RAFL MAY SPREAD FARTHER N AS WARM FRNT
PUSHES INTO REGION. CONT FLOOD WATCH CURRNTLY IN EFFECT FOR S OH...AND
SUGGEST ISSUING FLASH FLOOD WATCHES FOR SE IN/N KY. ALSO...CONSIDER
EXTENDING FLOOD/FLASH FLOOD WATCHES INTO RICH-DAY-CMH pVCNTYS.

TMPS WL NOT FALL MUCH BLO CURRNT LVLS ANYWHERE IN CWA...AND WL LIKELY
HOLD STEADY OR SLOWLY RISE ACRS S AS WARM FRNT PUSHES THRU AREA...ALTHO
CUD BRIEFLY FALL BACK A FEW DEGREES IN TSTMS.

ROWLEY

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
907 PM EDT WED APR 15 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0800 PM    HILLSBORO                 OH   1.75 INCH HAIL
04/15/98   HIGHLAND                       5 MILES EAST OF HILLSBORO
                                          NEAR ROCKY FORK LAKE.

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
907 PM EDT WED APR 15 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0800 PM    HILLSBORO                 OH   1.75 INCH HAIL
04/15/98   HIGHLAND                       5 MILES EAST OF HILLSBORO
                                          NEAR ROCKY FORK LAKE.

INZ050-058-059-066-073>075-080-160700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
930 PM EDT (830 PM EST) WED APR 15 1998

...TORNADO WATCH IN EFFECT FOR EAST CENTRAL INDIANA AND SOUTHEAST
INDIANA UNTIL 3 AM EDT (2 AM EST)...

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS ISSUED A
TORNADO WATCH FOR ALL OF EAST CENTRAL INDIANA...INCLUDING RICHMOND
AND CONNERSVILLE...AND FOR SOUTHEAST INDIANA...INCLUDING VERSAILLES
AND LAWRENCEBURG.

AT 925 PM EDT (825 PM EST)...NUMEROUS THUNDERSTORMS WERE DEVELOPING
ACROSS SOUTHERN INDIANA. THESE THUNDERSTORMS WERE MOVING TOWARD THE
EAST AND WILL SPREAD INTO EAST CENTRAL AND SOUTHEAST SECTIONS OF
INDIANA BETWEEN 10 PM AND 11 PM EDT (9 PM AND 10 PM EST) THIS
EVENING.

CONDITIONS ARE FAVORABLE FOR ANY OF THESE THUNDERSTORMS TO INTENSIFY
RAPIDLY AND TO PRODUCE TORNADOES...LARGE HAIL AND DAMAGING WIND
GUSTS. ALSO...THUNDERSTORMS WILL PRODUCE TORRENTIAL DOWNPOURS
CAPABLE OF FLOODING SMALL STREAMS AND LOW-LYING ROADS. REMAIN ALERT
FOR FREQUENT CLOUD TO GROUND LIGHTNING STRIKES AS WELL.

IF YOU ARE LOCATED WITHIN OR NEAR EAST CENTRAL INDIANA OR SOUTHEAST
INDIANA...PLEASE STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL
RADIO...LOCAL OR CABLE TELEVISION FOR UPDATED INFORMATION AND
POSSIBLE WARNINGS.

ROWLEY

OHZ053>056-060>065-070>074-077>082-088-089-KYZ088>100-160900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1115 PM EDT WED APR 15 1998

...TORNADO WATCH IN EFFECT FOR SOUTHERN OHIO...PARTS OF CENTRAL OHIO
AND THE MIAMI VALLEY AND FOR ALL OF NORTHERN KENTUCKY...

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS ISSUED A TORNADO
WATCH...EFFECTIVE UNTIL 5 AM EDT...FOR ALL OF SOUTHERN OHIO AND
NORTHERN KENTUCKY...AS WELL AS FOR SOUTHERN SECTIONS OF THE MIAMI
VALLEY OF OHIO...MUCH OF CENTRAL OHIO.

CITIES IN THE WATCH AREA INCLUDE DAYTON...CINCINNATI...COLUMBUS...
PORTSMOUTH...OWENTON AND MAYSVILLE.

AT 1110 PM EDT...NUMEROUS THUNDERSTORMS WERE PUSHING INTO SOUTHWEST
OHIO FROM THE WEST. THESE THUNDERSTORMS WILL CONTINUE TO SPREAD
TOWARD THE EAST AND NORTHEAST AND INTO THE REST OF THE TORNADO
WATCH AREA DURING THE OVERNIGHT HOURS.

CONDITIONS ARE FAVORABLE FOR THUNDERSTORMS TO INTENSIFY RAPIDLY TO
PRODUCE TORNADOES...DAMAGING WIND GUSTS AND LARGE HAIL.

IF YOU ARE LOCATED WITHIN OR CLOSE TO THE WATCH AREA...YOU ARE
STRONGLY URGED TO MONITOR NOAA WEATHER RADIO...COMMERCIAL RADIO...
LOCAL OR CABLE TELEVISION FOR UPDATES CONCERNING THIS POTENTIALLY
DANGEROUS WEATHER SITUATION.

ROWLEY