Severe Thunderstorm Warning 85, NWS Lake Charles, LA

SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
225 AM CDT FRI SEP 27 1996

KLCH RADAR SHOWS LINE OF SHOWERS AND THUNDERSTORMS DRAPED ACROSS
UPPR SE TX. LINE HAS BECOME STNRY WITH TRAINING ECHOS FM W TO E
AT 30 KTS. STP INDICATES BTWN 1 AND 2 INCHES OF RAINFALL ACROSS
NRN PRTNS OF TYLER AND JASPER COUNTIES. THIS LEADS INTO FCST PRBLM
OF THE DAY WITH HVY RNFL AND FLASH FLOOD PTNL. CLD FNT FM SHV TO
JUST N OF LFK WL RMN NRLY STNRY TDY AS UPPR TROF LAGS BEHIND
WITH STRONG VORT MAX DIGGING DOWN BACKSIDE. THIS SLOWING DOWN
ALRDY NOTED IN THE ABOVE MENTIONED RADAR DATA.  PWS RMN AOA 1.8
INCHES...K-INDEX GRTR THAN 30...LI/S -4 TO -6...AND THETA-E RDG AT
85H AND 70H ALL POINTING TO FLASH FLOOD EVENT ACROSS CWA. COORD
WITH SAT FOR FFA SE TX CNTYS AND WL SUGGEST THE SAME LA ZNS.
APPRS SVR WX PTNL FRTHR NORTH WITH BEST UPPR DYNAMICS. TIME SXNS
INDICATE PRONOUNCED DRYING AFTER 36H AS S/W ROUNDS BASE OF
UPPR TROF WITH FTR BCMG PROGRESSIVE.  AS FOR TEMPS...PREFER COOLER
AVN NUMBERS WITH RAIN-COOLED AIR.

5

BPT 81/62/75 841
LCH 82/62/75 841 LFT 85/65/75 852  AEX  79/58/69