[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 282331
SWOMCD
SPC MCD 282330
NYZ000-NJZ000-PAZ000-DEZ000-MDZ000-VAZ000-NCZ000-DCZ000-WVZ000-TNZ000-290030-

MESOSCALE DISCUSSION 1313
NWS STORM PREDICTION CENTER NORMAN OK
0630 PM CDT THU JUN 28 2007

AREAS AFFECTED...SRN-SERN PA/NJ/DE/MD/MUCH OF VA/PARTS OF ERN AND
SERN WV/NRN NC

CONCERNING...SEVERE THUNDERSTORM WATCH 461...

VALID 282330Z - 290030Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 461
CONTINUES.

ISOLATED STRONG WIND GUSTS AND SOME HAIL REMAIN A THREAT ACROSS THE
REMAINING PART OF WW 461...WHICH IS S AND SW OF A LINE FROM BEDFORD
COUNTY PA TO NRN NJ.  GIVEN THAT MUCH OF THE ACTIVITY S OF PA IS
DIURNALLY DRIVEN...SEVERE WEATHER THREAT MAY BEGIN TO WANE AFTER
SUNSET.

REGIONAL RADARS INDICATED A BROKEN LINE OF TSTMS EXTENDING SWWD FROM
THE VICINITY OF NYC THROUGH SERN TO SOUTH CENTRAL PA AND THEN
THROUGH NRN WV INTO THE OH VALLEY.  ADDITIONAL TSTMS...MORE WIDELY
SCATTERED...CONTINUE TO DEVELOP S OF THE PRIMARY CONVECTIVE LINE
FROM SRN WV EWD ACROSS MUCH OF VA AND NRN NC.  MODERATE INSTABILITY
EXTENDS FROM LONG ISLAND/NJ/FAR SERN PA INTO VA/NC WHICH WILL
SUPPORT ADDITIONAL TSTM DEVELOPMENT FOR THE NEXT SEVERAL HOURS.

STRONGEST WLY MID LEVEL WINDS EXTEND FROM PA TO SRN NEW ENGLAND
WHICH SUGGESTS GREATEST SEVERE THREAT DURING THE EARLY EVENING
SHOULD BE FROM SERN PA/NJ INTO LONG ISLAND WHERE EFFECTIVE BULK
SHEAR AT 30-35 KT WILL SUPPORT ADDITIONAL STORM ORGANIZATION.  COLD
POOLS SHOULD ALSO LOCALLY ENHANCE WIND GUST POTENTIAL.

FARTHER S INTO VA...WEAK MID LEVEL WINDS/SHEAR WILL RESULT IN MORE
PULSE STORMS THROUGH THE EARLY EVENING...WITH GREATEST SEVERE THREAT
EXPECTED TO BE OVER SERN VA INTO THE DELMARVA WHERE INSTABILITY
REMAINS MODERATE.

..PETERS.. 06/28/2007

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...OKX...PHI...AKQ...CTP...LWX...RAH...RNK...PBZ...RLX...GSP...MRX...

37027541 36417731 36007984 35968168 36238206 37188199
38268095 38487993 39337933 40407858 40237763 40367616
41097444 40867358 39727363

WWWW
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