Alert archive / Louisiana / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 103, NWS Shreveport, LA

April 6, 2005Grant Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 6, 2005, 3:12 AM CDT for Grant Parish, Louisiana. It was in force for 63 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: Apr 6, 2005, 3:12 AM CDT (08:12 UTC)
Expired: Apr 6, 2005, 4:15 AM CDT
In force: 63 min
Issued by: NWS Shreveport, LA
Area: Counties, with a storm outline in the text

County Grant Parish, LA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 6, 2:55 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 8.2 hours before the alert went out and 149 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: 778 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 902 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 212 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 2.3

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 Apr 5, 11:00 PM CDT, 4 hours 12 minutes earlier.

Area forecast discussion, Apr 5, 11:00 PM CDT, 4 hours 12 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
1100 PM CDT TUE APR 5 2005

.DISCUSSION...
HAVE UPDATED THE ZONES TO REMOVE THE TORNADO WATCH NUMBER 125 AND INCLUDE
SEVERE THUNDERSTORM WATCH NUMBER 127.

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  62  75  55  70 /  70  30  10  10
MLU  63  74  55  69 /  70  50  20  10
DEQ  57  72  48  67 /  70  50  20  10
TXK  59  74  54  67 /  70  50  20  10
ELD  62  74  53  68 /  70  50  20  10
TYR  58  75  52  70 /  70  10  10  10
GGG  60  75  53  70 /  70  10  10  10
LFK  61  80  52  73 /  70  10  10  10

&&

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

&&

06

Hazardous weather outlook, Apr 5, 12:00 PM CDT, 15 hours 12 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
1200 PM CDT TUE APR 5 2005

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-061100-
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 TUE APR 5 2005

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

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

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE FOUR STATE
AREA THIS AFTERNOON AND TONIGHT. A STRONG UPPER LEVEL STORM SYSTEM
AND AN ASSOCIATED COLD FRONT WILL MOVE THROUGH THE AREA TONIGHT AND
EARLY WEDNESDAY. THUNDERSTORMS WILL DEVELOP OVER OKLAHOMA AND NORTH
TEXAS THIS AFTERNOON AND MOVE INTO SOUTHEAST OKLAHOMA AND THE
WESTERN PORTIONS OF NORTHEAST TEXAS BY LATE AFTERNOON. THE STORMS
WILL THEN SPREAD ACROSS THE REMAINDER OF NORTHEAST TEXAS...NORTH
LOUISIANA AND SOUTHWEST ARKANSAS TONIGHT. LARGE HAIL AND DAMAGING
WINDS WILL BE THE PRIMARY SEVERE WEATHER THREAT WITH THESE
THUNDERSTORMS. HOWEVER DUE TO STRONG SHEAR...ISOLATED TORNADOES WILL
BE POSSIBLE.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF EMERGENCY MANAGERS...SKYWARN NETWORKS...AND STORM
SPOTTERS...WILL BE NEEDED THIS AFTERNOON AND TONIGHT.

In the hours before

Local storm report, Apr 5, 11:48 PM CDT, 3 hours 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1148 PM CDT TUE APR 05 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0938 PM     LIGHTNING        LOCKESBURG              33.97N 94.17W
04/05/2005                   SEVIER             AR   LAW ENFORCEMENT

            HOUSE FIRE CAUSED BY LIGHTNING IN LOCKESBURG. HOUSE
            BURNED TO THE GROUND. NO INJURIES.

&&

15

Local storm report, Apr 6, 12:15 AM CDT, 2 hours 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1215 AM CDT WED APR 06 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1125 PM     HAIL             10 E MANSFIELD          32.03N 93.53W
04/05/2005  0.75 INCH        DE SOTO            LA   STORM CHASER

&&

MBERRY

Local storm report, Apr 6, 1:27 AM CDT, 1 hour 45 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
127 AM CDT WED APR 06 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1217 AM     TSTM WND DMG     4 N JAMESTOWN           32.40N 93.21W
04/06/2005                   BIENVILLE          LA   LAW ENFORCEMENT

            *** 1 INJ *** SEVERAL TREES DOWN NEAR FRYEBURG. TWO
            TRAILERS WERE DESTROYED. TREES DOWN ACROSS SOME HOMES IN
            TOWN NEAR HWY 516 AND HWY 792. POSSIBLE TORNADO DAMAGE.
            REPORT OF ONE MINOR INJURY NEAR FRYEBURG.

&&

13

Special weather statement, Apr 6, 1:32 AM CDT, 1 hour 40 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
132 AM CDT WED APR 6 2005

ARZ060-061-070>072-LAZ001>004-010-TXZ126-138-151>153-165-060900-
ANGELINA-BOSSIER-CADDO-CLAIBORNE-COLUMBIA-DE SOTO-HARRISON-HEMPSTEAD-
LAFAYETTE-MARION-MILLER-NACOGDOCHES-NEVADA-PANOLA-SHELBY-WEBSTER-
132 AM CDT WED APR 6 2005

...SEVERE THUNDERSTORM WATCH NUMBER 127 HAS BEEN CANCELED FOR
PARTS OF NORTHEAST TEXAS...NORTHWEST LOUISIANA...AND SOUTHWEST
ARKANSAS EXCEPT FOR UNION COUNTY ARKANSAS...

SEVERE THUNDERSTORM WATCH NUMBER 127 HAS BEEN CANCELED
FOR THE FOLLOWING COUNTIES...

IN SOUTHWEST ARKANSAS...

MILLER...HEMPSTEAD...LAFAYETTE...NEVADA...COLUMBIA...

IN NORTHEAST TEXAS...

MARION...HARRISON...PANOLA...SHELBY...NACOGDOCHES...
ANGELINA...

IN NORTHWEST LOUISIANA...

CADDO...BOSSIER...WEBSTER...DE SOTO...CLAIBORNE.

A LINE OF SEVERE THUNDERSTORMS HAS MOVED EAST OUT OF THE AREA.

ARZ073-060900-
UNION AR-
132 AM CDT WED APR 6 2005

...SEVERE THUNDERSTORM WATCH NUMBER 127 REMAINS IN EFFECT UNTIL
400 AM CDT...

SEVERE THUNDERSTORM WATCH NUMBER 127 CONTINUES IN EFFECT FOR
THE FOLLOWING COUNTIES AND PARISHES...

IN SOUTHWEST ARKANSAS...

UNION COUNTY.

AT 130 AM CDT...STRONG TO SEVERE THUNDERSTORMS CONTINUED ALONG A
LINE MOVING THROUGH UNION COUNTY. SEVERE THUNDERSTORMS
HAVE THE POTENTIAL TO PRODUCE VERY LARGE HAIL...UP TO GOLF BALL
SIZE HAIL...AND ISOLATED TORNADOES.

17

Local storm report, Apr 6, 2:13 AM CDT, 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
213 AM CDT WED APR 06 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0200 AM     HAIL             CHATHAM                 32.31N 92.45W
04/06/2005  0.75 INCH        JACKSON            LA   LAW ENFORCEMENT

&&

JED

Special weather statement, Apr 6, 3:00 AM CDT, 12 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
Apr 5, 7:09 PM CDT	Severe Thunderstorm Warning	SHV	Red River	66 min
Apr 5, 8:10 PM CDT	Severe Thunderstorm Warning	SHV	Red River	65 min
Apr 5, 8:26 PM CDT	Severe Thunderstorm Warning	SHV	Franklin, Titus	49 min
Apr 5, 8:29 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Smith	46 min
Apr 5, 9:03 PM CDT	Severe Thunderstorm Warning	SHV	Morris	27 min
Apr 5, 9:12 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Smith	48 min
Apr 5, 9:19 PM CDT	Severe Thunderstorm Warning	SHV	Rusk	56 min
Apr 5, 9:48 PM CDT	Severe Thunderstorm Warning	SHV	Panola	57 min
Apr 5, 10:06 PM CDT	Severe Thunderstorm Warning	SHV	Shelby	54 min
Apr 5, 11:05 PM CDT	Severe Thunderstorm Warning	SHV	Angelina, Cherokee, Nacogdoches	55 min
Apr 5, 11:49 PM CDT	Severe Thunderstorm Warning	SHV	Shelby	56 min
Apr 5, 10:38 PM CDT	Severe Thunderstorm Warning	SHV	De Soto	67 min
Apr 5, 10:47 PM CDT	Severe Thunderstorm Warning	SHV	Caddo	58 min
Apr 5, 11:23 PM CDT	Severe Thunderstorm Warning	SHV	Bossier	67 min
Apr 6, 12:09 AM CDT	Severe Thunderstorm Warning	SHV	Bienville	51 min
Apr 6, 12:30 AM CDT	Tornado Warning	SHV	Bienville	30 min
Apr 6, 1:58 AM CDT	Severe Thunderstorm Warning	SHV	Jackson, Ouachita	47 min
Apr 6, 2:38 AM CDT	Severe Thunderstorm Warning	SHV	Grant	22 min
Apr 6, 2:44 AM CDT	Severe Thunderstorm Warning	SHV	Winn	46 min
Apr 6, 4:09 AM CDT	Severe Thunderstorm Warning	SHV	Grant	36 min
Apr 6, 4:30 AM CDT	Severe Thunderstorm Warning	SHV	LaSalle	45 min
Apr 5, 8:46 PM CDT	Severe Thunderstorm Warning	SHV	Sevier	44 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2005 Every severe thunderstorm warning in 2005

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.