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re: Severe Weather - ALL of South LA - Tornado Watch til 3AM
Posted on 2/20/14 at 9:51 pm to GEAUXmedic
Posted on 2/20/14 at 9:51 pm to GEAUXmedic
damn bad shite coming through jackson, ms right now...glad it is happening before I try to sleep...
Posted on 2/20/14 at 10:03 pm to Spankum
MESOSCALE DISCUSSION 0133
NWS STORM PREDICTION CENTER NORMAN OK
0956 PM CST THU FEB 20 2014
AREAS AFFECTED...PORTIONS OF CENTRAL/SRN MS...WRN AL...CENTRAL/ERN
LA
CONCERNING...TORNADO WATCH 15...17...
VALID 210356Z - 210600Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 15...17...CONTINUES.
SUMMARY...THE SVR THREAT WILL CONTINUE INTO THE OVERNIGHT HOURS
ACROSS REMAINING VALID PORTIONS OF WW 15 AND 17 WITH DAMAGING WINDS
LIKELY...ALONG WITH EMBEDDED MESOVORTEX TORNADOES ASSOCIATED WITH
BOWING SEGMENTS.
DISCUSSION...STG/SVR TSTMS CONTINUE ACROSS WW 15 AND WW 17 AT 0345Z
IN ADVANCE OF A COLD FRONT EXTENDING FROM NWRN MS SWD ACROSS WRN LA.
THE ENVIRONMENT IN ADVANCE OF THE TSTMS CONTINUES TO BE STRONGLY
SHEARED AND WITH MODERATE BUOYANCY /MUCAPES 1000-2000 J/KG/.
LARGE-SCALE FORCING FOR ASCENT ASSOCIATED WITH A STRONG UPPER TROUGH
OVER THE CENTRAL/SRN PLAINS WILL CONTINUE TO SUPPORT SVR TSTMS IN
LINES AND SEMI-DISCRETE CELLS INTO THE OVERNIGHT HOURS. DAMAGING
WINDS WILL CONTINUE TO BE THE DOMINANT SVR THREAT...HOWEVER
TORNADOES WILL REMAIN A DISTINCT POSSIBILITY WITH LOW-LEVEL QLCS
CIRCULATIONS WITHIN SQUALL LINES OWING TO STRONG LOW-LEVEL SHEAR AS
SAMPLED BY KLIX AND KBHM VWP DATA.
STRONG PRESSURE RISES BEHIND THE FRONT WILL RESULT IN THE SVR THREAT
SHIFTING EWD OVER THE NEXT FEW HOURS WITH THE PASSAGE OF THE COLD
FRONT.
..BUNTING/CORFIDI.. 02/21/2014
in english: The severe weather threat will continue throughout the night across louisiana. There may be damaging winds and tornadoes in storm lines that look like bows.
This post was edited on 2/20/14 at 10:07 pm
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