Friday, August 1, 2008

MESO: Mesoscale Discussion 1991

ACUS11 KWNS 020354
SWOMCD
SPC MCD 020354
NDZ000-MTZ000-020530-

MESOSCALE DISCUSSION 1991
NWS STORM PREDICTION CENTER NORMAN OK
1054 PM CDT FRI AUG 01 2008

AREAS AFFECTED...WRN ND

CONCERNING...SEVERE THUNDERSTORM WATCH 789...

VALID 020354Z - 020530Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 789
CONTINUES.

THE POTENTIAL FOR ISOLATED SEVERE STORMS CAPABLE OF HAIL AND LOCALLY
DAMAGING WINDS CONTINUES ACROSS WW AREA.

ISOLATED TSTMS OVER MCLEAN AND SRN MERCER/WRN OLIVER COUNTIES HAVE
SHOWN A WEAKENING TREND AS OF 0035Z...PERHAPS IN ASSOCIATION WITH
STRENGTHENING CAP ACROSS THE AREA. HOWEVER...WATER VAPOR IMAGERY
SUGGESTS THAT A LOW AMPLITUDE IMPULSE IS CURRENTLY LIFTING NEWD
THROUGH S-CNTRL MT WITH A DOWNSTREAM ZONE OF FORCING FOR ASCENT
SUPPORTING ISOLATED TSTM DEVELOPMENT NW OF MLS. THIS IMPULSE SHOULD
CONTINUE NEWD OVERNIGHT...POTENTIALLY SUPPORTING ADDITIONAL TSTM
DEVELOPMENT ALONG WRN EDGE OF LOW-LEVEL INSTABILITY AXIS OVER FAR
WRN ND. CURRENT BIS VWP AND RUC FORECAST HODOGRAPHS INDICATE THAT
VERTICAL SHEAR REMAINS RELATIVELY STRONG AND THE POTENTIAL WILL
EXIST FOR SUPERCELLS SHOULD ADDITIONAL STORMS DEVELOP AND BECOME
SUSTAINED.

..MEAD.. 08/02/2008

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

ATTN...WFO...FGF...BIS...GGW...

47450433 49120425 49139942 48269941 48219969 46170014
46400322 46840430

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@LISTSERV.ILLINOIS.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.

No comments: