Severe Thunderstorm Warning 270, NWS Shreveport, LA

000 
WWUS54 KSHV 062345
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
642 PM CDT THU SEP 6 2007

LAC069-070015-
/O.CON.KSHV.SV.W.0270.000000T0000Z-070907T0015Z/
NATCHITOCHES LA-
642 PM CDT THU SEP 6 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR NATCHITOCHES PARISH...

AT 642 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR HAGEWOOD...OR ABOUT 8 
MILES WEST OF NATCHITOCHES...AND MOVING NORTHWEST AT 20 MPH. ON THIS 
TRACK...THIS STORM WILL AFFECT THE ALLEN COMMUNITY ALONG HIGHWAY 485 
NEAR I-49 AROUND 7 PM CDT. 

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS...AND DEADLY CLOUD TO GROUND 
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY 
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 3150 9324 3183 9322 3184 9312 3182 9311
      3182 9295 3172 9297 3168 9294 3166 9295
      3146 9290 3138 9315
TIME...MOT...LOC 2342Z 153DEG 19KT 3174 9323

$$

15

000 
WWUS54 KSHV 070014
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
712 PM CDT THU SEP 6 2007

LAC069-070018-
/O.EXP.KSHV.SV.W.0270.000000T0000Z-070907T0015Z/
NATCHITOCHES LA-
712 PM CDT THU SEP 6 2007

...THE SEVERE THUNDERSTORM WARNING FOR NATCHITOCHES PARISH EXPIRES AT
715 PM CDT...

THE SEVERE THUNDERSTORM THAT PROMPTED THE EARLIER WARNING HAS 
WEAKENED AND WAS NO LONGER SEVERE. HOWEVER...OTHER SCATTERED SHOWERS 
AND THUNDERSTORMS WILL AFFECT THE COMMUNITIES OF 
CAMPTI...CRESTON...AND CHESTNUT DURING THE NEXT HOUR. BRIEF HEAVY 
RAINFALL...FREQUENT LIGHTNING...AND GUSTY WINDS TO 35 MPH WILL BE 
POSSIBLE WITH THESE STORMS. 

LAT...LON 3150 9324 3183 9322 3184 9312 3182 9311
      3182 9295 3172 9297 3168 9294 3166 9295
      3146 9290 3138 9315
TIME...MOT...LOC 0008Z 163DEG 21KT 3179 9320

$$

15

AREA FORECAST DISCUSSION...PPT/POP CORRECTION
NATIONAL WEATHER SERVICE SHREVEPORT LA
320 PM CDT THU SEP 6 2007

.DISCUSSION...
WIDELY SCATTERED TSTMS FORMED THIS AFTERNOON IN A WEAK CONVERGENCE
ZONE ACROSS DEEP E TX AND W LA.  EXPECT THIS ACTIVITY TO DIMINISH
AND END SHORTLY AFTER SUNSET AS HEATING ENDS. ALSO SEABREEZE ACTIVTY
ACROSS TOLEDO BEND COUNTRY AND CENTRAL LA WILL END SHORTLY AFTER
SUNSET AS WELL.

MOISTURE AGAIN FORECAST TO SLOWLY INCREASE AGAIN BY ALL MODELS
THROUGH NEXT THREE DAYS WITH PCPN VALUES UPWARDS OF 2.25 INCHES.
THIS MOIST AIRMASS COMBINED WITH IMPULSES FROM THE REMNANTS OF
HENRIETTE AS WELL AS SEABREEZE CONVECTION CONTINUE A CHANCE OF SCTD
AFTERNOON AND EARLY EVENING TSTMS.  EXPECT TEMPS TO REMAIN SLIGHTLY
WARMER THAN NORMAL THROUGH SUNDAY IN THIS CONTINUED TROPICAL AIRMASS.

MODELS CONTINUE TO ADVERTISE A WELCOME COLD FRONT ARRIVING NEXT WEEK
DURING TUESDAY AND FINISHING OUT THE SECOND WORK WEEK OF
SEPTEMBER IN ITS WAKE.  AS THE FRONT APPROACHES DURING SUNDAY AND
MONDAY...EXPECT SCTD TO NUMEROUS TSTMS TO CONTINUE IN THE WARM AIR
MASS ADVECTING AHEAD OF THE FRONT TO COMBINE WITH HENRIETTES
REMAINS. HEAVY RAINFALL IS QUITE POSSIBLE...THOUGH WILL NOT
MENTION AT THIS TIME.

IT CERTAINLY APPEARS THAT WEDNESDAY THROUGH NEXT WEEKEND LOOK
RAINFREE WITH WARM DAYS AND MILD NIGHTS AS AREA RESIDENTS BASK IN THE
AFT OF THAT FIRST WELCOME COLD FRONT OF THE SEASON. VIII.

&&

.AVIATION...
SCATTERED TSRA HAVE DEVELOPED ALONG A WEAK CONVERGENCE LINE
EXTENDING FROM NE TX THROUGH FAR NW LA TO SW AR THIS AFTN. OTHERWISE
A CU FIELD HAS DEVELOPED ACROSS THE ENTIRE FCST AREA WITH SOME CI
APPROACHING FROM CENTRAL TX. EXPECT VFR CONDS TO PERSIST THIS AFTN
AND EVENING ALL SITES EXCEPT IN LOCATIONS WHERE TSRA ARE OCCURRING
AND THEN MVFR CONDS WILL OCCUR. DO NOT EXPECT STRATUS TO ADVECT INTO
THE AREA TONIGHT TO THE EXTENT AS LAST NIGHT. SOME SITES WILL HAVE
BRIEF VSBYS IN THE 3-5 MILE RANGE JUST BEFORE SUNRISE FRI...10Z TO
13Z. /02/

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  75  93  74  93 /  20   0   0  50
MLU  73  92  72  91 /  20  50   0  40
DEQ  72  91  73  91 /  20  30  50  60
TXK  75  93  74  93 /  20  20  30  50
ELD  72  92  72  91 /  20  40   0  50
TYR  76  93  76  94 /  20   0  20  40
GGG  75  94  74  94 /  20   0   0  40
LFK  74  95  74  94 /  20   0   0  40

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...NONE.
LA...NONE.
OK...NONE.
TX...NONE.
&&

02/08

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
1200 PM CDT THU SEP 6 2007

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-070200-
ANGELINA-BIENVILLE-BOSSIER-BOWIE-CADDO-CALDWELL-CAMP-CASS-CHEROKEE-
CLAIBORNE-COLUMBIA-DE SOTO-FRANKLIN-GRANT-GREGG-HARRISON-HEMPSTEAD-
HOWARD-JACKSON-LA SALLE-LAFAYETTE-LINCOLN-LITTLE RIVER-MARION-
MCCURTAIN-MILLER-MORRIS-NACOGDOCHES-NATCHITOCHES-NEVADA-OUACHITA-
PANOLA-RED RIVER LA-RED RIVER TX-RUSK-SABINE LA-SABINE TX-
SAN AUGUSTINE-SEVIER-SHELBY-SMITH-TITUS-UNION AR-UNION LA-UPSHUR-
WEBSTER-WINN-WOOD-
1200 PM CDT THU SEP 6 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST OKLAHOMA...NORTHEAST
TEXAS...SOUTHWEST ARKANSAS...NORTHWEST AND NORTH CENTRAL LOUISIANA.

.DAY ONE...TODAY AND TONIGHT...

AN EXITING UPPER LEVEL TROUGH AND DAYTIME HEATING WILL RESULT IN A
SLIGHT CHANCE OF THUNDERSTORMS OVER THE FOUR STATE AREA TODAY.
THESE STORMS ARE NOT EXPECTED TO BECOME SEVERE.  HOWEVER...ANY
STORMS THAT DO DEVELOP WILL BE ACCOMPANIED BY FREQUENT LIGHTNING...
BRIEF GUSTY WINDS...AND BRIEF BUT HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

THERE REMAINS A CHANCE OF THUNDERSTORMS OVER THE FOUR STATE AREA
THROUGH TUESDAY.  AT THIS TIME...THESE STORMS ARE NOT EXPECTED TO
BECOME SEVERE.  HOWEVER...ANY STORMS THAT DO DEVELOP WILL BE
ACCOMPANIED BY FREQUENT LIGHTNING...BRIEF GUSTY WINDS...AND BRIEF BUT
HEAVY RAINFALL.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT
PERSONNEL ACTIVATION WILL NOT BE REQUIRED THROUGH TONIGHT.

VIII.