Alert archive / Louisiana / Tornado Warnings in 1999

Tornado Warning 54, NWS Lake Charles, LA

May 10, 1999Avoyelles Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at May 10, 1999, 10:59 AM CDT for Avoyelles Parish, Louisiana. It was in force for 51 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 10, 1999, 10:59 AM CDT (15:59 UTC)
Expired: May 10, 1999, 11:50 AM CDT
In force: 51 min
Issued by: NWS Lake Charles, LA
Area: Whole counties

County Avoyelles Parish, LA

The radar

The Ft Polk radar (KPOE), 93 km from the middle of the area, began a volume at 16:03 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 was reported inside it

Time	Report	Where	Remark
May 10, 11:50 AM CDT	Thunderstorm Wind	Marksville, LA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 4.0 hours before the alert went out and 156 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: 1626 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 624 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

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

NWS Lake Charles, LA wrote its last area forecast discussion before this tornado warning went out at May 10, 10:22 AM CDT, 37 minutes earlier.

Area forecast discussion, May 10, 10:22 AM CDT, 37 minutes before

SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1022 AM CDT MON MAY 10 1999

COORD WITH SPC...CAN EXPECT WATCH TO BE DROPPED BEHIND THE LINE OF
TSTMS. WILL UPDATE WRKLC1.

11

BPT   LCH
LFT   AEX

In the hours before

Local storm report, May 10, 10:32 AM CDT, 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1032 AM CDT MON MAY 10 1999

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0750 AM    5 E WOODVILLE             TX   TORNADO
05/10/99   TYLER                          POSSIBLE TORNADO TOUCHDOWN
                                          5 E WOODVILLE ON HWY 190.
                                          NUMEROUS TREES BLOWN DOWN.
                                          EYEWITNESSES SAW DEBRIS
                                          FLYING IN THE AIR.

0755 AM    5 E KOUNTZE               TX   TORNADO
05/10/99   HARDIN                         TIN BUILDING DESTROYED,
                                          NUMEROUS TREES DOWNED
                                          BETWEEN KOUNTZE AND SILSBEE.

0800 AM    BEAUMONT                  TX   WIND DAMAGE
05/10/99   JEFFERSON                      TREES DOWNED ACROSS BEAUMONT

0810 AM    BUNA                      TX   TORNADO
05/10/99   JASPER                         TORNADO TOUCHDOWN BETWEEN
                                          EVADALE AND BUNA. SEVERAL
                                          HOMES DAMAGED ALONG HWY 96.

0840 AM    BURKEVILLE                TX   TORNADO
05/10/99   NEWTON                         WINDOWS BLOWN OUTOF
                                          BUILDINGS AND TREES DOWNED
                                          IN BURKEVILE.

0830 AM    ORANGE                    TX   WIND DAMAGE
05/10/99   ORANGE                         TREES AND POWER LINES DOWNED

ERICKSON

Special weather statement, May 10, 10:35 AM CDT, 24 minutes before

TXZ180>182-201-215-216-101600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1035 AM CDT MON MAY 10 1999

...TORNADO WATCH FOR SOUTHEAST TEXAS HAS BEEN CANCELED...

A LINE OF STRONG THUNDERSTORMS HAS MOVED OUT OF SOUTHEAST TEXAS AND
INTO CENTRAL PORTIONS OF SOUTHERN LOUISIANA. THESE STORMS WILL
PROGRESS EASTWARD THROUGH THE DAY TODAY. SHOWERS AND A FEW ISOLATED
THUNDERSTORMS WILL CONTINUE THROUGH THE NOON HOUR TAPERING OFF
TOWARDS THE LATE AFTERNOON HOURS.

FOR MORE INFORMATION...VISIT OUR WEB PAGE AT
HTTP://WWW.SRH.NOAA.GOV/LCH/DROUGHT.HTM

K. KUYPER

Special weather statement, May 10, 10:35 AM CDT, 24 minutes before

TXZ180>182-201-215-216-101600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1035 AM CDT MON MAY 10 1999

...TORNADO WATCH FOR SOUTHEAST TEXAS HAS BEEN CANCELED...

A LINE OF STRONG THUNDERSTORMS HAS MOVED OUT OF SOUTHEAST TEXAS AND
INTO CENTRAL PORTIONS OF SOUTHERN LOUISIANA. THESE STORMS WILL
PROGRESS EASTWARD THROUGH THE DAY TODAY. SHOWERS AND A FEW ISOLATED
THUNDERSTORMS WILL CONTINUE THROUGH THE NOON HOUR TAPERING OFF
TOWARDS THE LATE AFTERNOON HOURS.

FOR MORE INFORMATION...VISIT OUR WEB PAGE AT
HTTP://WWW.SRH.NOAA.GOV/LCH/DROUGHT.HTM

K. KUYPER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 8:11 AM CDT	Severe Thunderstorm Warning	LCH		59 min
May 10, 8:35 AM CDT	Severe Thunderstorm Warning	LCH	Beauregard, Vernon	50 min
May 10, 8:35 AM CDT	Severe Thunderstorm Warning	LCH	Calcasieu, Cameron	50 min
May 10, 9:18 AM CDT	Severe Thunderstorm Warning	LCH	Allen, Rapides	57 min
May 10, 9:18 AM CDT	Severe Thunderstorm Warning	LCH	Jefferson Davis	57 min
May 10, 9:27 AM CDT	Severe Thunderstorm Warning	LCH	Beauregard, Calcasieu, Vernon	48 min
May 10, 9:27 AM CDT	Severe Thunderstorm Warning	LCH	Cameron	48 min
May 10, 10:47 AM CDT	Tornado Warning	LCH	Evangeline	48 min
May 10, 11:28 AM CDT	Severe Thunderstorm Warning	LCH	Iberia, Lafayette, Saint Martin	77 min
May 10, 11:28 AM CDT	Severe Thunderstorm Warning	LCH	Saint Landry	77 min
May 10, 11:45 AM CDT	Severe Thunderstorm Warning	LCH	Saint Martin, St. Mary	60 min
May 10, 12:03 PM CDT	Tornado Warning	LCH	Saint Martin	47 min
May 10, 12:57 PM CDT	Severe Thunderstorm Warning	LCH	Saint Martin, St. Mary	63 min

Nearby

Tornado Warnings in Louisiana, 1999 Every tornado warning in 1999 Tornadoes in 1999

Sources

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