Severe Thunderstorm Warning 124, NWS Fort Worth, TX

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE FORT WORTH TX
1027 PM CDT FRI APR 30 2004

.DISCUSSION...
SEVERAL CLUSTERS OF SEVERE STORMS CONTINUE TO MOVE ACROSS NORTH
TEXAS THIS EVENING. EXPECT THE ACTIVITY TO CONTINUE ALONG AND AHEAD
OF THE SLOWLY ADVANCING COLD FRONT...WITH ONLY A GRADUAL DECREASE IN
INTENSITY EXPECTED AFTER MIDNIGHT.

FLOOD WATCH AREA LOOKS GOOD BASED ON CURRENT TRENDS. WITH DEWPOINTS
IN THE UPPER 60S AND LOWER 70S IN MOST AREAS AHEAD OF THE COLD FRONT
AND A RELATIVELY SLOW EASTWARD MOVEMENT TO CONVECTION...THE THREAT
OF FLOODING WILL CONTINUE OVERNIGHT.

UPDATED ZONES HAVE BEEN SENT. MAINLY MADE SOME MINOR CHANGES TO
FIRST PERIOD TO ACCOUNT FOR CURRENT ACTIVITY AND CURRENT
HEADLINES.   09

&&

.DISCUSSION...
311 PM FRIDAY
SEVERE WEATHER...IN THE WEST AT THE PRESENT TIME...WILL SPREAD EAST
ACROSS THE CWA TONIGHT...AND TURN INTO A HEAVY RAIN EVENT.  FLOOD
WATCH ISSUED FOR THE NORTHWESTERN TWO THIRDS OF NORTH TEXAS FOR
TONIGHT AS HEAVY RAINS WILL COVER AREAS ALREADY SATURATED FROM LAST
WEEKS RAINS.  THE RAINS WILL END SATURDAY OVER ALL BUT THE SOUTHEAST
AFTER A COLD FRONTAL PASSAGE. THIS IS A COLD AIRMASS FOR EARLY MAY
AND TEMPS WILL BE IN THE 40S BY SUNDAY MORNING OVER MOST OF NORTH
TEXAS. TEMPS WILL BEGIN TO RISE WITH THE NEW WEEK AS HIGH PRESSURE
BUILDS AND THE ATMOSPHERE DRIES.  THE REMAINDER OF THE WEEK SHOULD
BE RAIN FREE WITH MORE SEASONAL TEMPERATURES.

&&

.FWD WATCHES/WARNINGS/ADVISORIES...
TX...FLOOD WATCH UNTIL 700 AM CDT SATURDAY FOR ZONES TXZ091>095...
TXZ100>107...TXZ115>123...TXZ129>135...TXZ141>146...TXZ156>157...
TXZ159.

SEVERE THUNDERSTORM WATCH UNTIL 100 AM CDT SATURDAY FOR ZONES
TXC001...TXC085...TXC113...TXC119...TXC139...TXC161...TXC213...
TXC217...TXC223...TXC231...TXC257...TXC277...TXC293...TXC309...
TXC349...TXC379...TXC397...TXC467.

&&

HAZARDOUS WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
1110 PM CDT FRI APR 30 2004

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-011200-
ANDERSON-BELL-BOSQUE-COLLIN-COMANCHE-COOKE-CORYELL-DALLAS-DELTA-
DENTON-EASTLAND-ELLIS-ERATH-FALLS-FANNIN-FREESTONE-GRAYSON-HAMILTON-
HENDERSON-HILL-HOOD-HOPKINS-HUNT-JACK-JOHNSON-KAUFMAN-LAMAR-LAMPASAS-
LEON-LIMESTONE-MCLENNAN-MILAM-MILLS-MONTAGUE-NAVARRO-PALO PINTO-
PARKER-RAINS-ROBERTSON-ROCKWALL-SOMERVELL-STEPHENS-TARRANT-VAN ZANDT-
WISE-YOUNG-
1110 PM CDT FRI APR 30 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...
THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS FOR THE REST OF
THE NIGHT ACROSS PARTS OF NORTH TEXAS. THE MODERATE RISK AREA IS
EAST OF A LINE EXTENDING FROM PARIS TO DALLAS TO GOLDTHWAITE.
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE REMAINDER OF
NORTH TEXAS FOR TONIGHT. THE MAIN SEVERE WEATHER THREATS WILL BE FROM
LARGE HAIL AND DAMAGING STRAIGHT LINE WINDS. LOCALLY HEAVY RAINS AND
SOME FLOODING PROBLEMS ARE ALSO EXPECTED.

A SLOW MOVING COLD FRONT WAS LOCATED FROM NEAR SHERMAN TO
DALLAS TO GOLDTHWAITE AT 11 PM FRIDAY. SEVERAL CLUSTERS OF
STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED TO CONTINUE TO
DEVELOP ALONG AND AHEAD OF THE COLD FRONT FOR THE REST OF
THE NIGHT. THE AIRMASS REMAINS VERY UNSTABLE IN AREAS
AHEAD OF THE COLD FRONT...AND SEVERE WEATHER WILL REMAIN
POSSIBLE THROUGH THE OVERNIGHT HOURS.

ALTHOUGH THE AIRMASS IS LESS UNSTABLE TO THE WEST OF THE COLD
FRONT...A FEW SEVERE THUNDERSTORMS WITH LARGE HAIL WILL BE
POSSIBLE. LIFTING FROM AN APPROACHING UPPER LEVEL SYSTEM WILL
CONTRIBUTE TO THE ELEVATED INSTABILITY AND THUNDERSTORM POTENTIAL
OVERNIGHT.

.DAYS TWO THROUGH SEVEN...
THERE WILL BE A CHANCE OF THUNDERSTORMS ACROSS THE AREA ON
SATURDAY...WITH CHANCES CONTINUING ACROSS THE SOUTH SATURDAY NIGHT.
SOME OF THESE STORMS MAY BE SEVERE...PRODUCING LARGE HAIL AND
DAMAGING WINDS. HEAVY RAIN AND LIGHTNING WILL ALSO PRESENT WEATHER
HAZARDS. THERE WILL BE ANOTHER CHANCE OF THUNDERSTORMS THURSDAY.

.SPOTTER CALL TO ACTION STATEMENT...
SPOTTER ACTIVATION WILL BE NEEDED FOR MUCH OF THE NIGHT...
ESPECIALLY IN THE MODERATE RISK AREA AHEAD OF THE COLD FRONT.

09

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PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1057 PM CDT FRI APR 30 2004

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST   ...SOURCE....
            ..REMARKS..

1056 PM     HAIL            RED OAK                  32.52N  96.81W
04/30/2004  1.00 INCH       ELLIS               TX   TRAINED SPOTTER

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1132 PM CDT FRI APR 30 2004

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST   ...SOURCE....
            ..REMARKS..

1125 PM     HAIL            8 SW CANTON              32.47N  95.96W
04/30/2004  1.75 INCH       VAN ZANDT           TX   LAW ENFORCEMENT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1134 PM CDT FRI APR 30 2004

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST   ...SOURCE....
            ..REMARKS..

1130 PM     HAIL            WILLS POINT              32.71N  96.01W
04/30/2004  1.00 INCH       VAN ZANDT           TX   LAW ENFORCEMENT