SWOMCD
SPC MCD 140015
LAZ000-MSZ000-140215-
MESOSCALE DISCUSSION 0392
NWS STORM PREDICTION CENTER NORMAN OK
0715 PM CDT THU MAR 13 2008
AREAS AFFECTED...SRN LA
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 140015Z - 140215Z
A CLUSTER OF STORMS OVER THE NWRN GULF OF MEXICO WILL CONTINUE TO
MOVE NEWD AND WILL BE NEAR THE LA COAST BETWEEN 0130 AND 0200Z. HAIL
AND GUSTY WINDS WILL BE THE MAIN THREATS.
INCREASING SWLY FLOW IN THE LOW LEVELS CONTINUES TO BRING A GREATER
DEGREE OF MOISTURE AND INSTABILITY NWD ACROSS THE WRN GULF AND INTO
THE UPPER TX AND LA COAST. A CLUSTER OF STORMS...AIDED BY LOW LEVEL
WARM ADVECTION AS WELL AS DEEP LAYER LIFT ASSOCIATED WITH
APPROACHING UPPER TROUGH AXIS HAS INTENSIFIED OVER THE PAST FEW
HOURS. THESE STORMS WILL CONTINUE NEWD AT 45-50 KTS...BRINGING THEM
NEAR THE LA COAST BY 0200Z.
THE 00Z LCH SOUNDING SHOWS VERY STEEP MID TO UPPER LEVEL LAPSE RATES
APPROACHING 8.0 C/KM...ALONG WITH A MOISTENING BOUNDARY LAYER.
OVERALL SHEAR PROFILES ARE FAVORABLE FOR ORGANIZED SEVERE
STORMS...WITH THE COLD TEMPERATURES ALOFT INDICATING A HAIL THREAT.
.JEWELL.. 03/14/2008
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...LIX...LCH...
29679291 30279231 30419174 30439049 30238966 30078914
29138870 28908911 28959071 29389151 29489267
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