Wednesday, September 19, 2007

MESO: Mesoscale Discussion 1982

ACUS11 KWNS 192302
SWOMCD
SPC MCD 192302
KSZ000-NEZ000-COZ000-200030-

MESOSCALE DISCUSSION 1982
NWS STORM PREDICTION CENTER NORMAN OK
0602 PM CDT WED SEP 19 2007

AREAS AFFECTED...NW KS...NE CO...SW NEB

CONCERNING...TORNADO WATCH 672...

VALID 192302Z - 200030Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 672 CONTINUES.

THE SEVERE THREAT WITH A CLUSTER OF THUNDERSTORMS ACROSS NW KS
SHOULD GRADUALLY SPREAD NNWWD WITH TIME. SUPERCELLS SHOULD BE
CAPABLE OF PRODUCING LARGE HAIL AND ISOLATED DAMAGING WINDS.
ALTHOUGH A SEVERE THREAT REMAINS POSSIBLE ACROSS FAR NE CO AND SW
NEB...THE THREAT SHOULD BE TOO MARGINAL TO WARRANT WW ISSUANCE.

LATEST SFC ANALYSIS SHOWS A QUASI-STATIONARY FRONT LOCATED ACROSS SW
KS EXTENDING NWWD INTO ERN CO. AN AXIS OF LOW-LEVEL MOISTURE IS
LOCATED ON THE NORTH SIDE OF THE BOUNDARY EXTENDING NWWD INTO FAR SW
NEB AND FAR NE CO WITH DEWPOINTS IN THE LOWER 60S F. INSTABILITY IS
MAXIMIZED ALONG THIS CORRIDOR AND THIS SHOULD BE THE FAVORED
LOCATION FOR NEW THUNDERSTORM DEVELOPMENT OVER THE NEXT FEW HOURS.
VERTICAL SHEAR IS STRONG IN THIS AREA AND SUPERCELLS WILL STILL BE
POSSIBLE IN SPITE OF THE RECENT DOWNWARD TRENDS ON RADAR. MID-LEVEL
LAPSE RATES ARE STEEPER TO THE WEST AND IF A SUPERCELL CAN
ORGANIZE...LARGE HAIL AND ISOLATED WIND DAMAGE COULD OCCUR.

.BROYLES.. 09/19/2007

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

ATTN...WFO...GID...LBF...DDC...GLD...PUB...BOU...

39599960 39590073 40010073 39990200 40410203 40410282
39570280 39590318 38510319 38510350 38240351 38270336
37650336 37640208 37730210 37730063 37480063 37479957

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@PO.UIUC.EDU with
"unsub wx-storm" in the body of your message. For more information write chris@lib.siu.edu.

No comments: