Damaging Wind in Pennsylvania, July 22, 2003

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1110 AM EDT TUE JUL 22 2003

JUST UPDATED ZONES AND ISSUED FLOOD WATCH THRU TNGT FOR AREA
ESSENTIALLY TO THE NW OF PHL...WHERE THERE WERE SGFNT RAINS YDA. SCT
SHWR/TSTMS ACTVTY POPPED UP THIS MRNG...AND ERYR PROG RUNS SHOWED IT
MOVG N BY ERY AFTN...WITH MORE LATER TDA AND TNGT. ONLY MINOR TWEAKS
TO TEMP/WIND...AND ADDED HUMID TO ALL ZONES THIS AFTN.

MARINE FCSTR HAS RAISED SML CRAFT ADVY ON DE BAY.

KRAUS

----------------------------------------

TSTMS CONT TO RUMBLE THROUGH THE NIGHT AS SHRTWV IMPLS ROUND THE
LARGER SCALE UPPER TROF WHICH IS SETTING UP OVER THE ERN U.S.  FM
STLT IMAGERY...THE LATEST SHRTWV APPRS TO BE HEADED NEWD THRU WRN NY
AND PA ATTM.  ASSOCD TSTMS ARE MOVG THRU NERN PA INTO NWRN NJ.  THIS
ACTVTY PLUS ERYR STORMS HAVE PRODUCED TOTAL RAINFALL OF 2-4 INCHES
OVER MANY AREAS IN NRN PART OF OUR CWA.  NO FLOODING REPORTED YET
BUT NO DOUBT THESE AREAS ARE MORE VULNERABLE TO FLOODING FROM
ADDITIONAL RAINS WHICH ARE EXPECTED OVER THE NEXT COUPLE OF DAYS.
WILL RE-ISSUE FLOOD POT STMT.

FAIRLY POWERFUL SHRTWV TROF IS EVIDENT ON STLT DIGGING SEWD THRU THE
UPR MS VLY ATTM.  THIS FEATURE SHOULD HELP AMPLIFY THE LARGE TROF
OVER THE NEXT COUPLE OF DAYS.  DEEP LAYER FLOW ALONG THE E COAST
WILL BECOME INCRGLY SLY BRINGING COPIOUS MSTR TO THE AREA. WITH WK
FNTL BNDRY FCST TO STALL OVER OR JUST W OF OUR CWA...HAVE OPTED FOR
LIKELY POPS BOTH TODAY AND WED...WITH EMPHASIS ON DIURNALLY FAVORED
AFTN/EVE PD. TEMPS SHOULD FOLLOW A GRADUAL DCRG TREND AS UPPER TROF
SETS UP AND OVERALL CLDNS INCRS.

EXTDD...KEPT WEEKEND FAIR AS TROF IS SUPPOSED TO EXIT BY THEN.  NEXT
SYS SHOULD AFFECT WX EARLY NEXT WEEK...SO HAVE INTRODUCED A CHC OF
SHRA/TSRA ON MON.

MARINE...SMALL CRAFT ADVISORY CONTINUED ON THE OCEAN FOR SEAS.  SCA
MAY BE NEED FOR DEL BAY ON WED AS SLY WINDS ARE EXPECTED TO INCR.

.PHI...FLASH FLOOD WATCH THRU TNGT PA54-55,60-62,67-69,
         NJ1,7-10,12,15
       SML CRAFT ADVY CST AND DE BAY.

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-055-
060>062-067>071-221200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
605 AM EDT TUE JUL 22 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL AND SOUTHEAST
PENNSYLVANIA...DELAWARE...THE NORTHERN MARYLAND EASTERN SHORE...AND
NEW JERSEY EXCLUDING THE FIVE NORTHEAST COUNTIES.

.DAY ONE...TODAY

THERE IS A RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING
WITH DAMAGING WIND GUSTS. THESE STORMS COULD ALSO PRODUCE VERY HEAVY
DOWNPOURS AND LOCALIZED FLOODING.

THERE IS A MODERATE RISK OF RIP CURRENTS TODAY ALONG THE NEW JERSEY
AND DELAWARE COASTS.

.DAYS TWO THROUGH SEVEN...

THE RISK OF SEVERE THUNDERSTORMS WITH DAMAGING WINDS AND LOCALIZED
FLOODING EXTENDS THROUGH WEDNESDAY AND THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATER TODAY...AND POSSIBLY
ALSO ON WEDNESDAY OR THURSDAY.

AMC

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-055-
060>062-067>071-222045-

SPECIAL WEATHER STATEMENT -POSSIBLE SEVERE THUNDERSTORMS
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1057 AM EDT TUE JUL 22 2003

...SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND EVENING...

A SLOW MOVING COLD FRONT OVER PENNSYLVANIA...AND HIGH PRESSURE OVER
THE ATLANTIC COAST IS CAUSING A SOUTH TO SOUTHWEST FLOW OF UNSTABLE
TROPICAL AIR. WITH SUFFICIENT AFTERNOON HEATING...STRONG
THUNDERSTORMS ARE FORECAST INTO THIS EVENING AND SOME MAY BE
ACCOMPANIED BY FREQUENT LIGHTNING...VERY HEAVY DOWNPOURS AND
DAMAGING WINDS.

VERY HEAVY RAIN FELL MONDAY EVENING OVER PARTS OF EASTERN PENNSYLVANIA
AND NORTHERN NEW JERSEY...AS A RESULT A FLOOD WATCH HAS BEEN ISSUED
FOR AREAS WEST AND NORTH OF PHILADELPHIA THIS AFTERNOON THROUGH
TONIGHT.

BE PREPARED TO SEEK SHELTER IN THE EVENT A WARNING IS ISSUED FOR
YOUR PARTICULAR COUNTY...AND NEVER DRIVE THROUGH FLOOD WATERS.

THE STORMS LAST EVENING WERE ACCOMPANIED BY NUMEROUS LIGHTNING
STRIKES AND THERE MAY BE POWER OUTAGES FROM TODAYS STORM.

STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL RADIO OR TELEVISION
STATIONS FOR FURTHER DETAILS OR UPDATES. ADDITIONAL WEATHER
INFORMATION CAN BE FOUND ON THE INTERNET AT WWW.ERH.NOAA.GOV/PHI IN
SMALL LETTERS.

EBERWINE/SHERWOOD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
154 PM EDT TUE JUL 22 2003

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

0143 PM    HILLSBOROUGH              NJ   HEAVY RAIN
07/22/03   SOMERSET                       .75 INCH RAIN IN 8
                                          MINUTES