Alert archive / Arkansas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 307, NWS Shreveport, LA

August 18, 2009Howard County, Little River County, Sevier County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at Aug 18, 2009, 5:01 PM CDT for Howard County, Little River County, Sevier County, Arkansas. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 18, 2009, 5:01 PM CDT (22:01 UTC)
Expired
Aug 18, 2009, 5:45 PM CDT
In force
44 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon

Counties Howard County, AR, Little River County, AR, Sevier County, AR

The radar

The Western Arkansas radar (KSRX), 153 km from the middle of the area, began a volume at 22:02 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 18, 3:28 PM CDT, 1 hour 33 minutes earlier.

Area forecast discussion, Aug 18, 3:28 PM CDT, 1 hour 33 minutes before
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Hazardous weather outlook, Aug 18, 11:41 AM CDT, 5 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
1141 AM CDT TUE AUG 18 2009

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-
TXZ096-097-108>112-124>126-136>138-149>153-165>167-191645-
SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE-
COLUMBIA-UNION AR-CADDO-BOSSIER-WEBSTER-CLAIBORNE-LINCOLN-
UNION LA-DE SOTO-RED RIVER-BIENVILLE-JACKSON-OUACHITA-SABINE LA-
NATCHITOCHES-WINN-GRANT-CALDWELL-LA SALLE-MCCURTAIN-BOWIE-
FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD-UPSHUR-MARION-SMITH-GREGG-
HARRISON-CHEROKEE-RUSK-PANOLA-NACOGDOCHES-SHELBY-ANGELINA-
SAN AUGUSTINE-SABINE TX-
1141 AM CDT TUE AUG 18 2009

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

.DAY ONE...THIS AFTERNOON AND TONIGHT...SCATTERED SHOWERS AND
THUNDERSTORMS HAVE QUICKLY DEVELOPED ACROSS MUCH OF THE FOUR STATE
AREA...ESPECIALLY NORTHERN LOUISIANA NAD THE EAST TEXAS LAKES.
ALTHOUGH SOME VERY LOCALISED HEAVY RAIN IS POSSIBLE...MOST STORMS
ARE EXPECTED TO REMAIN WELL BELOW SEVERE LIMITS. NO HAZARDOUS
WEATHER EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

SHOWERS AND THUNDERSTORMS WILL BE SCATTERED ACROSS THE FOUR STATE REGION
THROUGH LATE WEEK UNTIL A COLD FRONT MOVES SOUTH OF THE REGION
BRINGING AN END TO THE RAINFALL. SOME OF THE THUNDERSTORMS WILL BECOME
SEVERE ALONG AND NEAR THE FRONTAL BOUNDARY NEAR THE INTERSTATE 30 CORRIDOR
THURSDAY NIGHT AND EARLY FRIDAY...THEN ALONG AND SOUTH OF THE
INTERSTATE 20 CORRIDOR DURING THE MORNING AND EARLY AFTERNOON FRIDAY.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY
MANAGEMENT PERSONNEL ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...
AND EMERGENCY MANAGEMENT PERSONNEL IS NOT ANTICIPATED THIS
AFTERNOON OR TONIGHT.

VII

In the hours before

Special weather statement, Aug 18, 12:10 PM CDT, 4 hours 51 minutes before
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Special weather statement, Aug 18, 3:46 PM CDT, 1 hour 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
346 PM CDT TUE AUG 18 2009

TXZ096-182145-
RED RIVER-
346 PM CDT TUE AUG 18 2009

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SIGNIFICANT
WEATHER ALERT...EFFECTIVE UNTIL 445 PM CDT...FOR THE FOLLOWING
COUNTY...

IN NORTHEAST TEXAS...
     RED RIVER...

INCLUDING THE FOLLOWING LOCATIONS...
     BAGWELL...BOGATA...BOXELDER...CLARKSVILLE AND MANCHESTER...

AT 344 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS ARE TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES EAST OF
MANCHESTER TO 6 MILES NORTHEAST OF DEPORT...MOVING SOUTHEAST AT 20
MPH.

HAIL SMALLER THAN THREE QUARTERS OF AN INCH AND WIND GUSTS AROUND 40
MPH ARE EXPECTED WITH THESE STORMS.

PEOPLE IN RED RIVER COUNTY SHOULD CLOSELY MONITOR THIS LINE OF
STORMS.

STAY TUNED FOR FURTHER UPDATES FROM YOUR NATIONAL WEATHER SERVICE IN
SHREVEPORT.

D. BUTTS
Special weather statement, Aug 18, 4:43 PM CDT, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
443 PM CDT TUE AUG 18 2009

ARZ050-OKZ077-TXZ096-097-182245-
BOWIE-MCCURTAIN-RED RIVER-SEVIER-
443 PM CDT TUE AUG 18 2009

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SIGNIFICANT
WEATHER ALERT...EFFECTIVE UNTIL 545 PM CDT...FOR THE FOLLOWING
COUNTIES...

IN SOUTHWEST ARKANSAS...
     SEVIER...
IN SOUTHEAST OKLAHOMA...
     MCCURTAIN...
IN NORTHEAST TEXAS...
     RED RIVER AND BOWIE...

INCLUDING THE FOLLOWING LOCATIONS...
GILLHAM...BOGATA...BOXELDER...CLARKSVILLE...DALBY SPRINGS...DE
KALB...HOOKS...MAUD...NASH...NEW
BOSTON...REDWATER...SIMMS...TEXARKANA AND WAKE VILLAGE...

AT 445 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS ARE TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 15 MILES WEST OF DE
QUEEN TO HAGANSPORT...MOVING SLOWLY TO THE EAST AT 5 TO 10 MPH.

WINDS 30 TO 40 MPH ARE EXPECTED WITH THESE STORMS. VERY HEAVY
RAINFALL OF ONE TO TWO INCHES MAY ALSO OCCUR IN A SHORT PERIOD OF
TIME.

VII

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 18, 4:47 PM CDTFlash Flood WarningSHVCamp, Cass, Marion, Morris, Upshur2 hr

Nearby

Severe Thunderstorm Warnings in Arkansas, 2009Every severe thunderstorm warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.