[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 141941
SWOMCD
SPC MCD 141940 
NYZ000-NJZ000-PAZ000-DEZ000-142115-

MESOSCALE DISCUSSION 1668
NWS STORM PREDICTION CENTER NORMAN OK
0240 PM CDT WED JUL 14 2004

AREAS AFFECTED...CNTRL AND ERN PA

CONCERNING...SEVERE THUNDERSTORM WATCH 631...

VALID 141940Z - 142115Z

INTENSE SUPERCELL STORM MOVING FROM ERN LEBANON INTO BRKS COUNTY IN
SERN PA HAS HISTORY OF PRODUCING A TORNADO. THIS CELL APPEARS TO BE
INVOF WARM FRONTAL ZONE WHERE LOW LFC AND ENHANCED 0-1KM SRH WERE
RESULTING IN VERY FAVORABLE CONDITIONS FOR PERSISTENT LOW LEVEL
MESOCYCLONES. ADDITIONAL ACTIVITY OVER YORK AND LANCASTER COUNTIES
OF SERN PA MAY ALSO TRACK ACROSS OR ALONG THE WARM FRONT AND POSE A
THREAT OF DAMAGING WINDS OR BRIEF TORNADOES. ALL THE ACTIVITY WILL
CONTINUE MOVING EAST TOWARD THE DELAWARE RIVER OVER THE NEXT 2
HOURS.

..CARBIN.. 07/14/2004

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

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

39797564 39787901 41507796 41477451 

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