Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 90, NWS Lake Charles, LA

October 28, 2002Hardin County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Oct 28, 2002, 10:06 PM CST for Hardin County, Texas. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 28, 2002, 10:06 PM CST (04:06 UTC)
Expired
Oct 28, 2002, 11:00 PM CST
In force
54 min
Issued by
NWS Lake Charles, LA
Area
Counties, with a storm outline in the text

County Hardin County, TX

The radar

The Houston radar (KHGX), 102 km from the middle of the area, began a volume at 04:09 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

IssuedProductOfficeLasted
Oct 28, 8:15 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 4.1 hours before the alert went out and 135 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 00:00Z on 2002-10-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 51 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 00:00Z on 2002-10-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
51 J/kg
Mixed-layer CIN
-148 J/kg
Mixed-layer LCL
1502 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

268 
WUUS54 KLCH 290406
SVRLCH
TXC199-290500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1006 PM CST MON OCT 28 2002

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 1100 PM CST

* AT 1001 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 16 MILES SOUTHWEST OF SARATOGA...MOVING
  NORTHEAST AT 25 MPH.

* THIS STORM WILL BE NEAR...
  BATSON BY 1015 PM CST
  SARATOGA BY 1025 PM CST
  HONEY ISLAND BY 1040 PM CST
  KOUNTZE BY 1050 PM CST

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST TUESDAY MORNING
FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.

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

LAT...LON 3024 9488 3008 9477 3037 9414 3051 9431

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 Oct 28, 8:40 PM CST, 1 hour 26 minutes earlier.

Area forecast discussion, Oct 28, 8:40 PM CST, 1 hour 26 minutes before
SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
840 PM CST MON OCT 28 2002

...HEAVY RAIN AND SEVERE WEATHER POTENTIAL...

STRONG SUPPORT FOR TSTMS TONIGHT AS INDC IN WATER VAPOR AND IR SAT.
BEST SUPPORT IS EXPECTED TO MOVE INTO THE AREA OVR THE NEXT SVRL
HOURS. CAPES AREA LOOKING A BIT BETTER AND HELICITY IS RUNNING ABOUT
82 (M/S)2... BUT THIS IS EXPECTED TO INCR. SHV SOUNDING HAD HEL ABT
183 (M/S)2. TOR WATCH HAS BEEN ISSUED FOR ALL OF SE TX AND PORTIONS
OF SW AND CNTRL LA THIS EVE.

HAVE UPDATED ZONES.

.LCH...
TORNADO WATCH TIL 2 AM...LAZ027>033-041>043-051-052-
                         TXZ180>182-201-215-216-
FLOOD WATCH...LAZ027>033-041>045-051>055-
              TXZ180>182-201-215-216.

.PRELIM NUMBERS...
    TN  TUE   WED   THU  TN  TU WE TH
AEX 65 77/60 76/55 70/49  8  52 11 00
BPT 70 79/66 80/60 73/52  +  62 11 00
LCH 70 79/65 80/60 73/52  +  62 11 00
LFT 71 78/66 79/62 73/52  8  63 11 00

K. KUYPER
Hazardous weather outlook, Oct 28, 5:17 AM CST, 16 hours 49 minutes before
LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-291200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
517 AM CST MON OCT 28 2002

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST TEXAS...CENTRAL...
SOUTH-CENTRAL AND SOUTHWEST LOUISIANA.

...FLOOD WATCH THIS AFTERNOON FOR SOUTHEAST TEXAS AND FOR SOUTHWEST
AND WEST CENTRAL LOUISIANA...

.TODAY AND TONIGHT...
SYNOPSIS...
FOR TODAY...A WARM FRONT WILL EXTEND SOUTHWEST TO NORTHEAST ACROSS
THE LAKES REGION OF SOUTHEAST TEXAS AND THROUGH CENTRAL LOUISIANA.
FRESHENING GULF BREEZES WILL UPGLIDE OVER THIS FRONTAL SURFACE. BY
THE AFTERNOON...DISTURBANCES ALOFT WILL PASS OVER THE UPGLIDING GULF
AIR. FURTHER LIFTING OF THIS GULF AIR WILL CAUSE OVERRUNNING RAINS.
ANY RAIN WILL QUICKLY RUN OFF IN THE ALREADY SATURATED SOILS.

FOR TONIGHT...THE WARM FRONT WILL EXIT TO THE NORTH. AN APPROACHING
COLD FRONT WILL SET UP A WARM SECTOR WEDGE ACROSS THE ENTIRE FORECAST
AREA. FAVORABLE UPPER LEVEL DYNAMICS WILL BE IN PLACE OVER THIS WARM
SECTOR WEDGE. THUNDERSTORMS ORGANIZING IN LINES ARE POSSIBLE.

FLOODING...
BASIN AVERAGED RAIN WATER AMOUNTS BETWEEN 1 AND 2 INCHES...WITH
LOCAL AMOUNTS BETWEEN 2 AND 4 INCHES...ARE POSSIBLE. SEE FLASH FLOOD
WATCH ISSUED BY THIS OFFICE.

RIVER FLOODING...
MODERATE FLOODING WILL PERSIST OVER THE RIVER BASINS OF THE LOWER
NECHES AND LOWER SABINE...AND OVER THE RIVER BASINS OF THE
CALCASIEU AND MERMENTAU. SEE RIVER FLOOD WARNINGS AND STATEMENTS
ISSUED BY THIS OFFICE. SPECIAL ATTENTION WILL BE NEEDED FOR FLASHY
RIVERS SUCH AS BAYOU ANACOCO AND THE VERMILION RIVER IN LAFAYETTE.

CONVECTIVE WEATHER...
THUNDERSTORMS ORGANIZING IN LINES ARE POSSIBLE THIS EVENING AND
OVERNIGHT. THE MAIN THREAT WILL BE DAMAGING WINDS. ISOLATED TORNADOES
ARE ALSO POSSIBLE.

.SPOTTER INFORMATION...
SPOTTER ACTIVATION MAY BE REQUIRED THIS EVENING.

................................................................
.TUESDAY THROUGH SUNDAY...
POST FRONTAL SHOWERS WILL BE ENDING TUESDAY MORNING. A CANADIAN HIGH
WILL BUILD IN BEHIND THE EXITING FRONT. A MORE SEASONABLE AIR MASS
WILL PREVAIL. ON SUNDAY...A MUCH STRONGER COLD FRONT WILL ADVANCE
ACROSS THE AREA...USHERING IN AN UNSEASONABLY COOL AIR MASS.
OVERNIGHT MINIMUMS IN THE MID 30S WILL BE FELT ACROSS THE LAKES
REGION OF SOUTHEAST TEXAS AND ACROSS CENTRAL LOUISIANA.

.SPOTTER INFORMATION...
SPOTTER ACTIVATION WILL NOT BE REQUIRED TUESDAY THROUGH SUNDAY.

Trares

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 28, 10:56 PM CSTTornado WarningLCHHardin64 min
Oct 28, 11:18 PM CSTSevere Thunderstorm WarningLCHJefferson57 min
Oct 28, 11:32 PM CSTSevere Thunderstorm WarningLCHJasper, Orange58 min
Oct 28, 11:46 PM CSTSevere Thunderstorm WarningLCHNewton29 min
Oct 29, 12:07 AM CSTFlash Flood WarningLCHOrange3 hr
Oct 29, 12:19 AM CSTSevere Thunderstorm WarningLCHJefferson56 min
Oct 29, 12:27 AM CSTFlash Flood WarningLCHJefferson3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning in 2002

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.