Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 6, NWS Shreveport, LA

March 30, 2002Shelby County, Texas

NWS Shreveport, LA issued this tornado warning at Mar 30, 2002, 8:20 PM CST for Shelby County, Texas. It was in force for 55 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 30, 2002, 8:20 PM CST (02:20 UTC)
Expired
Mar 30, 2002, 9:15 PM CST
In force
55 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Shelby County, TX

The radar

The Shreveport radar (KSHV), 79 km from the middle of the area, began a volume at 02:21 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

TimeReportWhereRemark
Mar 30, 8:45 PM CSTHail 0.75Huxley, 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.

IssuedProductOfficeLasted
Mar 30, 5:30 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 2.3 hours before the alert went out and 85 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, Shreveport, LA at 00:00Z on 2002-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 00:00Z on 2002-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 370 square meters per square second.1939587897Sfc1 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
7 J/kg
Mixed-layer CIN
-221 J/kg
Mixed-layer LCL
454 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
370 m²/s²
0-3 km storm-relative helicity
459 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.4

Open this sounding in Storm Lab

The text

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

682 
WFUS54 KSHV 310220
TORSHV
TXC419-310315-
/NEW.KSHV.TO.W.0012.310214-310315/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
814 PM CST SAT MAR 30 2002

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  SHELBY COUNTY IN EASTERN TEXAS

* UNTIL 915 PM CST

* AT 814 PM CST...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER    
  RADAR INDICATED A TORNADO 19 MILES SOUTHWEST OF HUXLEY...OR ABOUT 
  12 MILES SOUTH OF CENTER...MOVING NORTHEAST AT 20 MPH. 

* THE TORNADO WILL BE MOVING NEAR CENTER AROUND 845 PM CST.  

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  SHELBY COUNTY IN EASTERN TEXAS
UNTIL 915 PM CST.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 6:10 PM CSTTornado WarningSHVNacogdoches35 min
Mar 30, 6:23 PM CSTSevere Thunderstorm WarningSHVPanola37 min
Mar 30, 6:55 PM CSTSevere Thunderstorm WarningSHVShelby50 min
Mar 30, 6:56 PM CSTSevere Thunderstorm WarningSHVAngelina64 min
Mar 30, 7:10 PM CSTSevere Thunderstorm WarningSHVHarrison65 min
Mar 30, 7:47 PM CSTTornado WarningSHVNacogdoches43 min
Mar 30, 7:48 PM CSTTornado WarningSHVAngelina27 min
Mar 30, 7:56 PM CSTTornado WarningSHVSan Augustine49 min
Mar 31, 12:21 AM CSTSevere Thunderstorm WarningSHVRusk54 min
Mar 31, 12:55 AM CSTSevere Thunderstorm WarningSHVPanola50 min
Mar 31, 3:20 AM CSTSevere Thunderstorm WarningSHVAngelina55 min
Mar 31, 3:53 AM CSTSevere Thunderstorm WarningSHVNacogdoches52 min
Mar 31, 3:55 AM CSTSevere Thunderstorm WarningSHVShelby65 min
Mar 31, 4:17 AM CSTSevere Thunderstorm WarningSHVSan Augustine58 min
Mar 31, 4:31 AM CSTSevere Thunderstorm WarningSHVSabine59 min

Nearby

Tornado Warnings in Texas, 2002Every tornado warning in 2002Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.