513
ACUS11 KWNS 071818
SWOMCD
SPC MCD 071818
MSZ000-LAZ000-TXZ000-072115-
MESOSCALE DISCUSSION 2263
NWS STORM PREDICTION CENTER NORMAN OK
0118 PM CDT MON SEP 07 2026
AREAS AFFECTED...PARTS OF LA AND SOUTHERN MS
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 071818Z - 072115Z
PROBABILITY OF WATCH ISSUANCE...5 PERCENT
SUMMARY...LOCALIZED DAMAGING WINDS ARE POSSIBLE THIS AFTERNOON.
DISCUSSION...SCATTERED STORMS ARE ONGOING THIS AFTERNOON OVER PARTS
OF THE LA/MS GULF COASTS, IN THE VICINITY OF A WEAK SURFACE TROUGH.
OTHER MORE ISOLATED DEVELOPMENT IS UNDERWAY FARTHER NORTH ACROSS LA.
STRONG HEATING OF A VERY MOIST AIRMASS (PW GREATER THAN 2.1 INCHES)
IS UNDERWAY, WITH TEMPERATURES RISING INTO THE MID/UPPER 90S F,
STEEPENING LOW-LEVEL LAPSE RATES, AND MLCAPE INCREASING TO
NEAR/ABOVE 3000 J/KG. DEEP-LAYER SHEAR IS WEAK, BUT THE
THERMODYNAMIC ENVIRONMENT IS FAVORABLE FOR WET MICROBURSTS, WHICH
WILL RESULT IN A THREAT FOR LOCALLY DAMAGING WINDS AS STORM COVERAGE
INCREASES THROUGH THE AFTERNOON ACROSS A LARGER PORTION OF LA AND
SOUTHERN MS.
..DEAN/HART.. 09/07/2026
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...JAN...LIX...LCH...SHV...
LAT...LON 29569035 30249297 30909350 31819394 31869398 32429422
32489409 32339342 32069178 31649058 31038979 30438921
30058977 29569035
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH
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