Wednesday, September 5, 2007

MESO: Mesoscale Discussion 1935

ACUS11 KWNS 052049
SWOMCD
SPC MCD 052049
WYZ000-COZ000-UTZ000-IDZ000-052245-

MESOSCALE DISCUSSION 1935
NWS STORM PREDICTION CENTER NORMAN OK
0349 PM CDT WED SEP 05 2007

AREAS AFFECTED...WRN WY...UT...NWRN CO

CONCERNING...SEVERE THUNDERSTORM WATCH 666...

VALID 052049Z - 052245Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 666
CONTINUES.

LINE OF STRONG/SEVERE THUNDERSTORMS FROM EXTREME WRN WY INTO NORTH
CENTRAL UT IS CONTINUING TO MOVE ENEWD AROUND 30 KT...WITH EMBEDDED
LEWPS/BOW ECHO SIGNATURES EVIDENT IN RADAR IMAGERY. FARTHER
SOUTH/SOUTHEAST...A BAND OF WIDELY SCATTERED THUNDERSTORMS INCLUDING
A FEW SEVERE STORMS EXTENDS FROM NWRN CO/NERN UT INTO SOUTH CENTRAL
UT.

THE CONVECTIVE LINE IS OCCURRING JUST AHEAD OF THE STRONG UPPER LOW
CENTERED OVER SWRN ID...IN ASSOCIATION WITH STRONG MID/UPPER LEVEL
JET STREAK LIFTING NEWD ACROSS NWRN UT INTO WRN WY. NRN PART OF THE
LINE WILL BE MOVING INTO A PROGRESSIVELY LESS UNSTABLE ENVIRONMENT
OVER NWRN WY...AND THIS CONVECTION MAY BEGIN TO WEAKEN OVER THE NEXT
1-2 HOURS. HOWEVER...STORMS OVER EXTREME SWRN WY AS WELL AS THOSE
IN SOUTH CENTRAL/NERN UT AND NWRN CO ARE LIKELY TO MAINTAIN SEVERE
POTENTIAL OVER THE NEXT SEVERAL HOURS AS THEY PROGRESS NEWD THROUGH
A FAVORABLY SHEARED/UNSTABLE ENVIRONMENT...WITH A CONTINUING THREAT
FOR LARGE HAIL AND DAMAGING WIND GUSTS.

.WEISS.. 09/05/2007

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

ATTN...WFO...CYS...RIW...GJT...SLC...PIH...

38021283 39031263 40941208 41961177 42471106 43351095
43991011 43400737 41570742 40320778 38440831 38001110

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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: