910
ACUS11 KWNS 270834
SWOMCD
SPC MCD 270834
LAZ000-TXZ000-271000-
MESOSCALE DISCUSSION 1005
NWS STORM PREDICTION CENTER NORMAN OK
0334 AM CDT TUE MAY 27 2025
AREAS AFFECTED...SOUTHERN/CENTRAL LA
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 270834Z - 271000Z
PROBABILITY OF WATCH ISSUANCE...20 PERCENT
SUMMARY...ISOLATED STRONG GUSTS MAY PERSIST ACROSS PARTS OF CENTRAL
AND SOUTHERN LOUISIANA THE NEXT COUPLE OF HOURS.
DISCUSSION...AN EASTWARD-PROGRESSING LINE OF STRONG STORMS IS
TRACKING ALONG/NORTH OF THE MARINE FRONT ORIENTED WEST TO EAST ALONG
THE LA COAST AND WITHIN THE MLCAPE GRADIENT. VERTICAL SHEAR IS
ADEQUATE TO MAINTAIN STORM ORGANIZATION, THROUGH DOES WEAKEN WITH
EASTWARD EXTENT. THIS ACTIVITY HAS MOSTLY REMAINED SUB-SEVERE OVER
THE LAST 1-2 HOURS, THOUGH A 53 KT GUST WAST NOTED AT KLCH. STORMS
ARE EXPECTED TO GRADUALLY WEAKEN WITH EASTWARD EXTENT, THOUGH
ISOLATED STRONG GUSTS REMAIN POSSIBLE.
SOME STRONGER ROTATION HAS RECENTLY BEEN NOTED ON THE KLCH RADAR
ASSOCIATED WITH A COUPLE OF MESOVORTICES ALONG THE LEADING EDGE OF
THE LINE ACROSS FAR SOUTHERN LA WHERE ACTIVITY IS LIKELY CLOSER TO
BEING SURFACE-BASED. STRONG GUSTS MAY BE MORE LIKELY ACROSS THIS
AREA IN THE SHORT TERM.
OVERALL, SEVERE POTENTIAL IS EXPECTED TO REMAIN LIMITED AND
GRADUALLY DIMINISH WITH TIME AND EASTWARD EXTENT.
..LEITMAN/GLEASON.. 05/27/2025
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...JAN...LIX...LCH...SHV...
LAT...LON 31639322 31549212 31079177 29849130 29289137 29279238
29549318 29939347 30689364 31209366 31639322
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN
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