[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 140031
SWOMCD
SPC MCD 140030 
PAZ000-NYZ000-OHZ000-MIZ000-KYZ000-INZ000-140200-

MESOSCALE DISCUSSION 1254
NWS STORM PREDICTION CENTER NORMAN OK
0730 PM CDT SUN JUN 13 2004

AREAS AFFECTED...FAR ERN IND...OH...AND FAR NWRN PA

CONCERNING...SEVERE THUNDERSTORM WATCH 463...

VALID 140030Z - 140200Z

CONTINUE WW.

AT 0015Z...LINE OF STRONG TO SEVERE THUNDERSTORMS EXTENDED FROM 50E
TOL TO 30E BMG. ADDITIONAL THUNDERSTORM CELLS WERE LOCATED IN
ADVANCE OF PRIMARY LINE ACROSS N-CENTRAL OH AND ARE ALSO DEVELOPING
ACROSS EXTREME SWRN OH. LATEST SURFACE ANALYSIS INDICATES
INSTABILITY AXIS IN ADVANCE OF ONGOING CONVECTION EWD INTO FAR WRN
PA...WHERE SURFACE DEWPOINTS ARE GENERALLY IN THE UPPER 60S TO LOW
70S. THE 00Z PIT SOUNDING INDICATES MLCAPE VALUES OF AROUND 1000
J/KG...WITH VALUES GENERALLY 1000-2000 J/KG ACROSS MUCH OF OH PER
RUC OBJECTIVE ANALYSIS. WIND FIELDS REMAIN SUFFICIENTLY STRONG PER
ILN AND CLE VAD PROFILES TO SUSTAIN ORGANIZED LINE OF SEVERE STORMS
WITH THREAT OF DAMAGING WINDS AND LARGE HAIL. THE 21Z RUC INDICATES
THAT SWLY 850MB FLOW WILL INTENSIFY TO AROUND 40KT ACROSS NWRN PA BY
06Z...AND SHOULD SUPPORT CONVECTION ENEWD INTO NWRN PA/WRN NY LATER
TONIGHT.

..BANACOS.. 06/14/2004

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

ATTN...WFO...BUF...CTP...PBZ...RLX...CLE...ILN...DTX...IWX...IND...

38998254 39008622 42368314 42357924 

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