SWOMCD
SPC MCD 192344
CTZ000-NYZ000-NJZ000-PAZ000-DEZ000-200045-
MESOSCALE DISCUSSION 2023
NWS STORM PREDICTION CENTER NORMAN OK
0644 PM CDT FRI AUG 19 2011
AREAS AFFECTED...FAR SERN PA/NRN DE...NJ...FAR SERN NY AND SWRN CT
CONCERNING...SEVERE THUNDERSTORM WATCH 791...
VALID 192344Z - 200045Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 791
CONTINUES.
GREATEST SEVERE WEATHER THREAT IN WW 791 DURING THE SHORT TERM
/THROUGH 0030Z/...IS EXPECTED TO BE WITHIN THE NYC METRO AREA. AIR
MASS IN THIS PART OF THE WATCH REMAINS MODERATELY UNSTABLE AND CAN
STILL SUPPORT AN ISOLATED SEVERE THREAT...ESPECIALLY WITH ANY
ONGOING SUSTAINED STORMS.
OTHERWISE...FARTHER S...REGIONAL RADAR IMAGERY SHOWED AN OUTFLOW
BOUNDARY MOVED WNWWD INTO SERN PA AND WEST CENTRAL NJ /ALONG THE PA
BORDER/ FROM EARLIER CONVECTION ACROSS NJ. THE BROKEN LINE OF
STORMS THAT MOVED INTO THE PHI METRO AREA HAS SUBSEQUENTLY WEAKENED
AS IT ENCOUNTERED THE CONVECTIVELY OVERTURNED/STABILIZED AIR MASS.
EXCEPT FOR THE NYC METRO AREA...MUCH OF THE COUNTIES CAN BE REMOVED
WITHIN WW 791.
..PETERS.. 08/19/2011
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...OKX...PHI...
LAT...LON 39097475 39087531 39497576 40047547 40147511 40317491
40707452 41027396 41217346 40807353 40497384 40247394
39727411 39367443 39097475
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