[MCD] SWOMCD

Wed Jul 12 23:56:44 UTC 2006

ACUS11 KWNS 122356
SWOMCD
SPC MCD 122355 
NYZ000-NJZ000-PAZ000-130100-

MESOSCALE DISCUSSION 1495
NWS STORM PREDICTION CENTER NORMAN OK
0655 PM CDT WED JUL 12 2006

AREAS AFFECTED...ERN PA...NRN NJ...SERN NY

CONCERNING...SEVERE THUNDERSTORM WATCH 593...

VALID 122355Z - 130100Z

REMAINING PORTIONS OF SEVERE THUNDERSTORM WATCH 593 WILL EXPIRE AT
00Z. 

EARLIER BAND OF TSTMS...INCLUDING AN ISOLD SUPERCELL...THAT PROMPTED
SEVERE THUNDERSTORM WATCH 593 HAS MOVED EWD AND DIMINISHED OVER LONG
ISLAND AND SRN NEW ENGLAND.  RENEWED STRONG TSTMS DEVELOPED OVER
CNTRL PA ALONG THE HIGHER TERRAIN/VCNTY WEAK SFC CONVERGENCE EARLY
THIS EVENING AND ARE CURRENTLY MOVING INTO AN INSTABILITY AXIS
/MLCAPE TO 1500 J PER KG/ SITUATED ACROSS PORTIONS OF ERN PA.  THESE
STORMS APPEAR TO BE AUGMENTED BY A WEAK MCV THAT IS CURRENTLY
TRAVERSING CNTRL PA.  

CURRENT THINKING IS THAT GIVEN SUNSET...TSTMS SHOULD DIMINISH
THROUGH THE EVE.  BUT...ISOLD DAMAGING WIND GUSTS MAY OCCUR WITH THE
STRONGER STORMS...PRIMARILY ACROSS ECNTRL/SERN PA.  STATE COLLEGE
VWP SHOWS ABOUT 30 KTS OF FLOW IN THE FIRST FEW GATES ABOVE GROUND. 
A NEW WW IS NOT ANTICIPATED...HOWEVER.

..RACY.. 07/12/2006

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

ATTN...WFO...OKX...ALY...PHI...BGM...CTP...

40107687 41397619 41997486 41907368 40417443 39867600 

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