Alert archive / Louisiana / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 402, NWS Shreveport, LA

June 28, 2008Harrison County, Panola County, Texas; 6 parishes in Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Jun 28, 2008, 10:47 PM CDT for Harrison County, Panola County, Texas; 6 parishes in Louisiana. It was in force for 43 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: Jun 28, 2008, 10:47 PM CDT (03:47 UTC)
Expired: Jun 28, 2008, 11:30 PM CDT
In force: 43 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon

Counties Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, De Soto Parish, LA, Red River Parish, LA, Webster Parish, LA, Harrison County, TX, Panola County, TX

The radar

The Shreveport radar (KSHV), 14 km from the middle of the area, began a volume at 03:47 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.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.8 hours before the alert went out and 339 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 862 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 2385 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Jun 28, 9:37 PM CDT, 1 hour 10 minutes earlier.

Area forecast discussion, Jun 28, 9:37 PM CDT, 1 hour 10 minutes before

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Hazardous weather outlook, Jun 28, 12:00 PM CDT, 10 hours 47 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
1200 PM CDT SAT JUN 28 2008

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-291100-
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 SAT JUN 28 2008

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

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

LOOK FOR WIDELY SCATTERED SHOWERS AND THUNDERSTORMS TODAY...MAINLY
ACROSS THE LOWER TOLEDO BEND AND SAM RAYBURN COUNTRY OF DEEP EAST
TEXAS AND WEST CENTRAL LOUISIANA...AS WELL AS EAST CENTRAL AND
NORTHEAST LOUISIANA. THIS ACTIVITY SHOULD SLOWLY DISSIPATE IN
COVERAGE AND INTENSITY THROUGH THE EVENING HOURS. BY THIS AFTERNOON
INTO THE OVERNIGHT HOURS...SCATTERED SHOWERS AND THUNDERSTORMS WILL
DEVELOP AHEAD OF A COLD FRONT AND MOVE INTO SOUTHEAST OKLAHOMA AND
PORTIONS OF SOUTHWEST ARKANSAS. SOME OF THESE STORMS COULD BE
SEVERE...PRODUCING STRONG AND DAMAGING WIND GUSTS ALONG WITH LARGE
HAIL. THUNDERSTORM ACTIVITY ACROSS SOUTHEAST OKLAHOMA AND SOUTHWEST
ARKANSAS WILL BECOME LIKELY BY LATE TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...

SHOWERS AND THUNDERSTORMS SHOULD BE ONGOING ALONG AND NORTH OF THE
INTERSTATE 30 CORRIDOR OF NORTHEAST TEXAS...SOUTHEAST OKLAHOMA AND
SOUTHWEST ARKANSAS JUST BEFORE SUNRISE SUNDAY MORNING. THIS ACTIVITY
WILL SPREAD SOUTHWARD TOWARDS THE INTERSTATE 20 CORRIDOR DURING THE
DAY SUNDAY. AGAIN...SOME OF THESE STORMS COULD BE STRONG TO SEVERE
PRODUCING STRONG AND DAMAGING WIND GUSTS ALONG WITH SOME LARGE HAIL.
THE ACTIVITY SHOULD BEGIN TO WEAKEN AS THE FRONT PUSHES THROUGH THE
REGION BY LATE SUNDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTER...HAM RADIO OPERATOR...AND EMERGENCY MANAGEMENT
PERSONNEL ACTIVATION...MAY BE NEEDED ACROSS THE NORTHERN THIRD OF
NORTHEAST TEXAS...SOUTHEAST OKLAHOMA AND SOUTHWEST ARKANSAS BY THIS
EVENING DUE TO THE ANTICIPATION OF STRONG TO SEVERE THUNDERSTORMS.

17

In the hours before

Special weather statement, Jun 28, 7:35 PM CDT, 3 hours 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
735 PM CDT SAT JUN 28 2008

ARZ059-OKZ077-TXZ096-097-108-109-111-290130-
BOWIE-FRANKLIN-LITTLE RIVER-MCCURTAIN-MORRIS-RED RIVER-TITUS-
735 PM CDT SAT JUN 28 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SPECIAL
WEATHER STATEMENT EFFECTIVE UNTIL 830 PM CDT FOR THE FOLLOWING
COUNTIES
IN SOUTHWEST ARKANSAS
     LITTLE RIVER

IN SOUTHEAST OKLAHOMA
     MCCURTAIN

IN NORTHEAST TEXAS
     RED RIVER...BOWIE...TITUS...FRANKLIN AND MORRIS

INCLUDING THE FOLLOWING LOCATIONS
     ARKINDA...FOREMAN...WINTHROP...BAGWELL...BOGATA...BOXELDER...
     CLARKSVILLE...DALBY SPRINGS...DE KALB...HAGANSPORT...HOOKS...NEW
     BOSTON...SIMMS...US 259 AND I 30 INTERSECTION AND WILKERSON

AT 735 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM ALONG A LINE
EXTENDING FROM 11 MILES NORTHWEST OF FOREMAN TO 10 MILES EAST OF
CLARKSVILLE TO 12 MILES NORTHEAST OF PARIS...MOVING SOUTHEAST AT
23 MPH. THESE STORMS WILL AFFECT THE CITIES OF BOGOTA...TALCO...
BOXELDER...DEKALB...AND FOREMAN DURING THE NEXT 30 TO 45 MINUTES.

WINDS 40 TO 50 MPH ARE EXPECTED WITH THESE STORMS. IDABEL OKLAHOMA
RECORDED A WIND GUST OF 40 MPH AS THESE STORMS MOVED THROUGH DURING
THE LAST HALF HOUR.

LAT...LON 3380 9531 3376 9489 3385 9434 3340 9423
      3327 9466 3330 9530 3346 9531
TIME...MOT...LOC 0035Z 337DEG 20KT 3378 9454 3363 9487
          3374 9536

15

Special weather statement, Jun 28, 8:09 PM CDT, 2 hours 38 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
809 PM CDT SAT JUN 28 2008

LAZ002-290145-
BOSSIER-
809 PM CDT SAT JUN 28 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SPECIAL
WEATHER STATEMENT EFFECTIVE UNTIL 845 PM CDT FOR THE FOLLOWING PARISH
IN NORTHWEST LOUISIANA
     BOSSIER

INCLUDING THE FOLLOWING LOCATIONS
     PLAIN DEALING

AT 809 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM JUST NORTHEAST OF PLAIN DEALING...OR 12 MILES
WEST OF SPRINGHILL...MOVING NORTHEAST AT 10 MPH.

PEA SIZE HAIL...AND WINDS OF 40 TO 45 MPH ARE EXPECTED WITH THIS
STORM...AS IT DRIFTS NORTHEAST BETWEEN HIGHWAYS 3 AND 157.

LAT...LON 3302 9369 3302 9353 3289 9361 3290 9373
TIME...MOT...LOC 0109Z 209DEG 8KT 3295 9366

15

Special weather statement, Jun 28, 8:32 PM CDT, 2 hours 15 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
832 PM CDT SAT JUN 28 2008

TXZ108>112-124>126-290230-
CAMP-CASS-FRANKLIN-MARION-MORRIS-TITUS-UPSHUR-WOOD-
832 PM CDT SAT JUN 28 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SPECIAL
WEATHER STATEMENT EFFECTIVE UNTIL 930 PM CDT FOR THE FOLLOWING
COUNTIES
IN NORTHEAST TEXAS
     TITUS...FRANKLIN...MORRIS...CASS...CAMP...WOOD...UPSHUR AND
     MARION

INCLUDING THE FOLLOWING LOCATIONS
     ATLANTA...BEREA...BIVINS...CASON...CEDAR SPRINGS...COOKVILLE...
     DAINGERFIELD...GILMER...GOLDEN...HAGANSPORT...HAINESVILLE...
     HUGHES SPRINGS...JENKINS...KILDARE...LEESBURG...LINDEN...LODI...
     LONE STAR...MCLEOD...MOUNT PLEASANT...MOUNT VERNON...NAPLES...
     NEWSOME...OMAHA...ORE CITY...PITTSBURG...PLEASANT GROVE...
     PURLEY...QUEEN CITY...QUITMAN...ROCKY BRANCH...ROSEWOOD...
     SCROGGINS...SMITHLAND...US 259 AND I 30 INTERSECTION AND
     WINNSBORO

AT 832 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES SOUTHWEST OF
HAGANSPORT TO 5 MILES NORTHEAST OF NAPLES TO 5 MILES SOUTH OF WAKE
VILLAGE...MOVING SOUTH AT 34 MPH. THESE STORMS WILL AFFECT THE
CITIES OF QUITMAN...PITTSBURG...AND LINDEN DURING THE NEXT HOUR.

WINDS AROUND 40 TO 45 MPH ARE EXPECTED WITH THESE STORMS. WIND GUSTS
TO 37 MPH HAS BEEN REPORTED IN CLARKSVILLE...WHILE THE TEXARKANA
REGIONAL AIRPORT HAS GUSTED TO 38 MPH WITH THESE STORMS. THESE WINDS
MAY DOWN SMALL LIMBS AND ROLL ANY LIGHTWEIGHT OBJECTS THAT ARE
OUTSIDE. RESIDENTS ARE URGED TO SECURE ANY LOOSE ITEMS BEFORE THESE
STORMS APPROACH.

LAT...LON 3297 9530 3336 9530 3330 9468 3325 9463
      3329 9447 3326 9438 3325 9424 3330 9421
      3331 9417 3328 9405 3276 9405 3278 9468
      3280 9470 3278 9470 3271 9492 3272 9562
      3296 9566
TIME...MOT...LOC 0132Z 354DEG 29KT 3326 9527 3325 9462
          3333 9411

15

Special weather statement, Jun 28, 8:39 PM CDT, 2 hours 8 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
839 PM CDT SAT JUN 28 2008

ARZ061-070>073-290245-
COLUMBIA-LAFAYETTE-MILLER-NEVADA-UNION-
839 PM CDT SAT JUN 28 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SPECIAL
WEATHER STATEMENT EFFECTIVE UNTIL 945 PM CDT FOR THE FOLLOWING
COUNTIES
IN SOUTH CENTRAL ARKANSAS
     UNION

IN SOUTHWEST ARKANSAS
     NEVADA...COLUMBIA...LAFAYETTE AND MILLER

INCLUDING THE FOLLOWING LOCATIONS
     ATLANTA...BRADLEY...BRIGHTSTAR...BUCKNER...BUSSEY...CANFIELD...
     DODDRIDGE...EL DORADO...EMERSON...FOUKE...LISBON...MACEDONIA...
     MAGNOLIA...MCNEIL...MOUNT HOLLY...SMITHLAND...TAYLOR...
     VILLAGE...WALDO AND WESSON

AT 839 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES SOUTH OF
WAKE VILLAGE TO 8 MILES SOUTHWEST OF WALDO TO STEPHENS...MOVING
SOUTHEAST AT 24 MPH. THESE STORMS WILL AFFECT THE CITIES OF MAGNOLIA
AND EL DORADO DURING THE NEXT 15 TO 30 MINUTES.

WINDS OF 40 TO 45 MPH ARE EXPECTED WITH THESE STORMS. WIND GUSTS TO
38 MPH HAS BEEN REPORTED AT THE TEXARKANA REGIONAL AIRPORT WITH
THESE STORMS. THESE WINDS MAY DOWN SMALL LIMBS AND ROLL ANY
LIGHTWEIGHT OBJECTS THAT ARE OUTSIDE. RESIDENTS ARE URGED TO SECURE
ANY LOOSE ITEMS BEFORE THESE STORMS APPROACH.

LAT...LON 3307 9261 3302 9294 3304 9402 3336 9402
      3335 9347 3349 9311 3339 9310 3338 9287
      3315 9250
TIME...MOT...LOC 0139Z 318DEG 21KT 3331 9407 3328 9339
          3340 9309

15

Special weather statement, Jun 28, 9:02 PM CDT, 1 hour 45 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
902 PM CDT SAT JUN 28 2008

TXZ126-138-290230-
HARRISON-MARION-
902 PM CDT SAT JUN 28 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SPECIAL
WEATHER STATEMENT EFFECTIVE UNTIL 930 PM CDT FOR THE FOLLOWING
COUNTIES
IN NORTHEAST TEXAS
     MARION AND HARRISON

INCLUDING THE FOLLOWING LOCATIONS
     BEREA...HARLETON...JEFFERSON AND WOODLAWN

AT 902 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR HARLETON...OR 15 MILES NORTHEAST OF
LONGVIEW...MOVING NORTHEAST AT 15 MPH.

PEA SIZE HAIL...AND WINDS OF 40 TO 45 MPH ARE EXPECTED WITH THIS
STORM. ADDITIONAL STRONG STORMS PRODUCING WIND GUSTS OF 40 TO
45  MPH...LOCATED ALONG A MOUNT PLEASANT...TO DOUGLASSVILLE
LINE...WILL AFFECT THE AREA WITHIN THE HOUR AS WELL.

LAT...LON 3281 9440 3269 9425 3257 9458 3271 9466
TIME...MOT...LOC 0202Z 239DEG 13KT 3266 9456

15

Special weather statement, Jun 28, 10:04 PM CDT, 43 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 7:35 PM CDT	Special Weather Statement	SHV	Bowie, Red River	55 min
Jun 28, 7:51 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass	39 min
Jun 28, 8:32 PM CDT	Special Weather Statement	SHV	Camp, Cass, Franklin, Marion, Morris, Titus and 2 more	58 min
Jun 28, 9:02 PM CDT	Special Weather Statement	SHV	Marion	28 min
Jun 28, 9:08 PM CDT	Severe Thunderstorm Warning	SHV	Harrison, Marion	67 min
Jun 28, 9:49 PM CDT	Severe Thunderstorm Warning	SHV	Harrison, Marion, Panola	56 min
Jun 28, 10:04 PM CDT	Special Weather Statement	SHV	Gregg, Rusk, Smith	56 min
Jun 29, 2:34 PM CDT	Severe Thunderstorm Warning	SHV	Angelina	37 min
Jun 29, 2:46 PM CDT	Special Weather Statement	SHV	Sabine, San Augustine	59 min
Jun 29, 5:02 PM CDT	Severe Thunderstorm Warning	SHV	Angelina, Cherokee, Nacogdoches	28 min
Jun 29, 5:32 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Nacogdoches	43 min
Jun 29, 5:37 PM CDT	Special Weather Statement	SHV	Shelby	53 min
Jun 28, 8:09 PM CDT	Special Weather Statement	SHV	Bossier	36 min
Jun 28, 9:28 PM CDT	Severe Thunderstorm Warning	SHV	Claiborne, Webster	62 min
Jun 28, 7:29 PM CDT	Special Weather Statement	SHV	Hempstead, Nevada	61 min
Jun 28, 8:39 PM CDT	Special Weather Statement	SHV	Columbia, Lafayette, Miller, Union	66 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2008 Severe Thunderstorm Warnings in Texas, 2008 Every severe thunderstorm warning in 2008

Sources

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