Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 11, NWS Lake Charles, LA

March 10, 2000Tyler County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 10, 2000, 5:40 PM CST for Tyler County, Texas. It was in force for 65 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: Mar 10, 2000, 5:40 PM CST (23:40 UTC)
Expired: Mar 10, 2000, 6:45 PM CST
In force: 65 min
Issued by: NWS Lake Charles, LA
Area: Whole counties

County Tyler County, TX

The radar

The Lake Charles radar (KLCH), 132 km from the middle of the area, began a volume at 23:43 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
Mar 10, 5:50 PM CST	Hail 0.75	Colmesneil, TX

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 watch it was issued in

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

Issued	Product	Office	Lasted
Mar 10, 4:00 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.7 hours before the alert went out and 134 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: 1937 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 542 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KLCH 102342
SVRLCH
TXC457-110045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
540 PM CST FRI MAR 10 2000

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TYLER COUNTY IN SOUTHEAST TEXAS

* UNTIL 645 PM CST

* AT 540 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES NORTH OF WOODVILLE...MOVING SOUTHEAST AT 20
  MPH.

* THIS STORM WILL BE NEAR...
  WOODVILLE BY 550 PM
  TOWN BLUFF BY 610 PM
  HILLISTER BY 615 PM

SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH...DESTRUCTIVE
HAIL...DEADLY LIGHTNING AND TORRENTIAL RAIN{.

CALL 337-477-5285 TO REPORT SEVERE WEATHER TO THE WEATHER SERVICE.

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 Lake Charles, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 10, 2:56 PM CST, 2 hours 44 minutes earlier.

Area forecast discussion, Mar 10, 2:56 PM CST, 2 hours 44 minutes before

SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
256 PM CST FRI MAR 10 2000

MODELS INDICATE UPPER DIVERGENT PATTERN WILL MOVE INTO WESTERN PARTS
OF THE FORECAST AREA BY MIDNIGHT TONIGHT AND MOVE EAST OF...OR
WEAKEN OVER...THE EASTERN EXTREMES OF THE AREA SATURDAY MORNING. MID
AND UPPER LEVEL SHORTWAVE TROUGH AXIS SHOULD BE OVER THE LOCAL AREA
AT MID-DAY SATURDAY. AHEAD OF THIS TROUGH...700-300 MB Q-VECTOR
CONVERGENCE WILL BE INCREASING EXTREME NORTHWEST BY MIDNIGHT TONIGHT
WITH A MODERATE TO STRONG Q-VECTOR CONVERGENCE RIDGE MOVING SOUTHEAST
OVER THE AREA TONIGHT INTO MID-DAY SATURDAY WEAKENING OVER THE EAST
SATURDAY AFTERNOON. AREA OF STRONG UPWARD VERTICAL VELOCITIES /OMEGA/
WILL BEGIN MOVING INTO THE NORTHWESTERN PARTS OF THE AREA THIS
EVENING...MOVE OVER THE NORTHWEST THROUGH THE MIDNIGHT HOURS AND BE
WEAKENING AND EXITING THE SOUTHEAST PART OF THE AREA SATURDAY
MORNING. STRONGEST MID AND UPPER LEVEL INSTABILITY IS PROGGED TO BE
MAINLY ALONG AND BEHIND THE SURFACE FRONT. THE SURFACE COLD FRONT IS
PROGGED TO MOVE INTO THE NORTHWEST EXTREMES OF THE AREA THIS EVENING
AND MOVE OUT TO THE EAST SATURDAY MORNING. MODELS INDICATE THAT THERE
WILL BE HIGH MEAN RELATIVE HUMIDITIES AND MOISTURE BEHIND THE FRONT
FOR THE LOCAL AREA SATURDAY. MEAN RELATIVE HUMIDITY PROGS SHOW
CONSIDERABLE MOISTURE NEAR AND AHEAD OF THE FRONT MOVING EAST OVER
THE NORTHERN PARTS OF THE AREA TONIGHT WITH MOISTURE THINNER AND
MAINLY BEHIND FRONT SOUTH PART. MODERATE TO HIGH MEAN RELATIVE
HUMIDITIES SHOULD LINGER OVER EASTERN PARTS OF THE AREA SATURDAY
MORNING BUT DRY AIR IS PROGGED FOR THE ENTIRE AREA SATURDAY AFTERNOON
THROUGH SUNDAY.

CHANCES OF RAIN WILL BE BETTER IN HIGHER INSTABILITY AND MOISTURE
NORTH PART. WILL KEEP POPS IN LIKELY CATEGORY NORTH PART AND HAVE
MAINLY CHANCE POPS SOUTH PART FOR TONIGHT. WILL CARRY SLIGHT CHANCE
POPS CENTRAL AND CHANCE POPS EAST FOR SATURDAY MORNING IN HIGHER
MOISTURE AND INSTABILITY BEHIND FRONT. NGM MOS TEMPERATURES LOOK
ABOUT RIGHT.

.LCH...SMALL CRAFT ADVISORY CAMERON LOUISIANA TO HIGH ISLAND TEXAS
 LA...SMALL CRAFT ADVISORY GMZZ450-470
 TX...SMALL_ CRAFT ADVISORY GMZ450-470

.PRELIMINARY NUMBERS...
BPT 55/65/43/66 6000
LCH 54/63/40/66 5200
LFT 54/61/40/63 4200
AEX 52/59/38/64 8300

In the hours before

Local storm report, Mar 10, 2:45 PM CST, 2 hours 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
245 PM CST FRI MAR 10 2000

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....[

0130 PM    2 W BURKEVILLE            TX   1.00 INCH HAIL
03/10/00   NEWTON

RE

Local storm report, Mar 10, 3:42 PM CST, 1 hour 58 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
342 PM CST FRI MAR 10 2000

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

0310 PM    NEW LLANO                 LA   .75 INCH HAIL
03/10/00   VERNON

0315 PM    LEESVILLE                 LA   1.75 INCH HAIL
03/10/00   VERNON

Local storm report, Mar 10, 4:04 PM CST, 1 hour 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
404 PM CST FRI MAR 10 2000

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

0359 PM    LEESVILLE                 LA   1.00 INCH HAIL
03/10/00   VERNON

Local storm report, Mar 10, 4:08 PM CST, 1 hour 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
408 PM CST FRI MAR 10 2000

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....!

0400 PM    LEESVILLE                 LA   1.75 INCH HAIL
03/10/00   VERNON                         ESTIMATED WIND GUST TO 60
                                          MPH

Local storm report, Mar 10, 4:34 PM CST, 1 hour 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
434 PM CST FRI MAR 10 2000

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

0434 PM    PINEVILLE                 LA   WIND DAMAGE
03/10/00   RAPIDES                        TREES DOWN AND HOUSES
                                          DAMAGED.

0310 PM    NEW LLANO                 LA   .75 INCH HAIL
03/10/00   VERNON                         HAIL COVERED THE GROUND

0315 PM    FORT POLK                 LA   1.75 INCH HAIL
03/10/00   VERNON

0400 PM    1/4 MILE EAST LEESVILLE   LA   1.75 INCH HAIL
03/10/00   VERNON       ]                  ESTIMATED WINDS OF 60 MPH.

Local storm report, Mar 10, 5:06 PM CST, 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
506 PM CST FRI MAR 10 2000

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

0445 PM    PINEVILLE                 LA   1.75 INCH HAIL
03/10/00   RAPIDES

0453 PM    10 W FORT POLK            LA   TORNADO
03/10/00   VERNON                         FROM TIGER LZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 10, 12:58 PM CST	Severe Thunderstorm Warning	LCH	Jasper, Newton	62 min
Mar 10, 1:58 PM CST	Severe Thunderstorm Warning	LCH	Newton	32 min
Mar 10, 4:50 PM CST	Severe Thunderstorm Warning	LCH	Tyler	55 min
Mar 10, 5:25 PM CST	Severe Thunderstorm Warning	LCH	Jasper	50 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000 Every severe thunderstorm warning in 2000

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.