Alert archive / Texas / Tornado Warnings in 1990

Tornado Warning 29, NWS Shreveport, LA

May 30, 19904 counties in Texas; Caddo Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at May 30, 1990, 8:07 PM CDT for 4 counties in Texas; Caddo Parish, Louisiana. It was in force for 96 min. 5 reports 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 30, 1990, 8:07 PM CDT (01:07 UTC)
Expired
May 30, 1990, 9:43 PM CDT
In force
96 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Caddo Parish, LA, Harrison County, TX, Marion County, TX, Panola County, TX, Rusk County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
May 30, 8:20 PM CDTTornado F2Panola, TX
May 30, 8:21 PM CDTThunderstorm Wind 50Caddo, LA
May 30, 8:35 PM CDTTornado F2Rusk, TX
May 30, 8:50 PM CDTTornado F2Marion, TX
May 30, 8:50 PM CDTTornado F2Marion, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 00:00Z, 1.1 hours before the alert went out and 27 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, Longview/Gregg, TX at 00:00Z on 1990-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3079 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, Longview/Gregg, TX at 00:00Z on 1990-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 214 square meters per square second.193958Sfc1 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
3079 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
745 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
214 m²/s²
0-3 km storm-relative helicity
326 m²/s²
Significant tornado parameter
4.9
Supercell composite
24.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSHV 310108
TORSHV
LAC015-017-031-119-TXC203-315-365-401-310315-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
807 PM CDT WED MAY 30 1990
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
TORNADO AND FLASH FLOOD WARNING EFFECTIVE UNTIL 1015 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS..
 
IN NORTHWEST LOUISIANA
 
   ...BOSSIER PARISH...CADDO PARISH...DESOTO PARISH...WEBSTER PARISH
 
 
IN NORTHEAST TEXAS
 
   ...HARRISON COUNTY...MARION COUNTY...PANOLA COUNTY...RUSK COUNTY
 
AT 803 PM CDT WEATHER SERVICE RADARS INDICATED POSSIBLE TORNADOES
OVER NORTHWEST LOUISIANA NEAR STONEWALL..SOUTH OF DIXIE..SOUTH OF
BENTON..AND SOUTHWEST OF GREENWOOD AND IN EAST TEXAS NEAR DEBERRY
..NEAR HENDERSON..AND EAST OF CARTHAGE..ALSO NEAR JEFFERSON.
THEY HAVE BEEN MOVING TO THE EAST AT 20 MPH.
 
THE SEVERE THUNDERSTORMS THAT ACCOMPANY THE TORNADOS HAVE ALSO
PRODUCED VERY HEAVY RAINFALL PRODUCING FLOODING OF STREETS..LOW
LYING..AND POOR DRAINAGE. RAINFALL AMOUNTS ESTIMATED TO BE FROM
NEAR ONE TO OVER THREE INCHES IN A SHORT PERIOD OF TIME.
 
NUMEROUS POWER OUTAGES HAVE BEEN REPORTED IN SHREVPORT WITH THE
STORMS.
 
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

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.

In the hours before

Special weather statement, May 30, 4:44 PM CDT, 3 hours 23 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-
003-004-005-006-310000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
445 PM CDT WED MAY 30 1990

...TORNADO WATCH IN EFFECT UNTIL 10 PM FOR SOUTHEAST OKLAHOMA AND
EXTREME NORTHEAST TEXAS...

...SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE OVER SOUTH ARKANSAS AND
ARE DEVELOPING OVER SOUTHEAST OKLAHOMA AND EAST TEXAS...

AT 440 PM WEATHER SERVICE RADAR SHOWED SCATTERED SHOWERS AND A FEW
THUNDERSTORMS OVER SOUTH ARKANSAS NORTH OF A LINE FROM TEXARKANA TO
EL DORADO. ALSO WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WERE
DEVELOPING OVER SOUTHEAST OKLAHOMA AND EAST TEXAS. MOVEMENT WAS
TO THE NORTHEAST AT 35 MPH.

SOME OF THESE STORMS MAY BECOME SEVERE THIS EVENING AND TONIGHT OVER
THE NORTHWEST PART OF THE ARKALTEX AND PRODUCE HEAVY RAIN..HAIL..
STRONG GUSTY WINDS AND POSSIBLY TORNADOES.

PERSONS SHOULD STAY TUNED TO RADIO..TELEVISION OR NOAA WEATHER
RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 7:09 PM CDTTornado WarningSHVPanola, Rusk66 min
May 30, 8:07 PM CDTFlash Flood WarningSHVPanola2 hr
May 30, 8:07 PM CDTFlash Flood WarningSHVHarrison, Marion, Rusk2 hr
May 30, 9:56 PM CDTFlash Flood WarningSHVGregg, Harrison, Rusk4 hr
May 30, 9:56 PM CDTFlash Flood WarningSHVMarion4 hr
May 30, 9:56 PM CDTFlash Flood WarningSHVPanola4 hr
May 31, 1:11 AM CDTSevere Thunderstorm WarningSHVPanola64 min
May 31, 11:15 AM CDTFlash Flood WarningSHVPanola, Rusk, Shelby4 hr
May 31, 1:45 PM CDTFlash Flood WarningSHVGregg, Harrison3 hr
May 31, 3:00 PM CDTFlash Flood WarningSHVHarrison, Panola, Rusk, Shelby4 hr
May 31, 3:00 PM CDTFlash Flood WarningSHVGregg4 hr
May 30, 8:07 PM CDTFlash Flood WarningSHVBossier, Webster2 hr
May 30, 8:07 PM CDTTornado WarningSHVBossier, Webster96 min
May 30, 8:07 PM CDTTornado WarningSHVDe Soto96 min
May 30, 9:43 PM CDTSevere Thunderstorm WarningSHVBienville, Bossier, Caddo, De Soto, Red River3 hr
May 30, 9:56 PM CDTFlash Flood WarningSHVBossier, Red River4 hr
May 30, 10:40 PM CDTSevere Thunderstorm WarningSHVNatchitoches, Winn95 min
May 31, 10:25 AM CDTSevere Thunderstorm WarningSHVUnion95 min
May 31, 11:15 AM CDTFlash Flood WarningSHVBienville, Jackson, Lincoln, Ouachita, Winn4 hr
May 31, 11:15 AM CDTFlash Flood WarningSHVNatchitoches, Sabine4 hr
May 31, 11:15 AM CDTFlash Flood WarningSHVBossier, Claiborne, Webster4 hr
May 31, 11:15 AM CDTFlash Flood WarningSHVUnion4 hr
May 31, 11:15 AM CDTFlash Flood WarningSHVRed River4 hr
May 31, 1:45 PM CDTFlash Flood WarningSHVCaldwell, Franklin3 hr
May 31, 1:45 PM CDTFlash Flood WarningSHVMadison, Tensas3 hr
May 31, 3:00 PM CDTFlash Flood WarningSHVBienville, Caldwell, Jackson, Lincoln, Ouachita, Winn4 hr
May 31, 3:00 PM CDTFlash Flood WarningSHVFranklin, Madison, Richland4 hr
May 31, 3:00 PM CDTFlash Flood WarningSHVNatchitoches, Red River, Sabine4 hr
May 31, 3:00 PM CDTFlash Flood WarningSHVBossier, Webster4 hr
May 31, 3:00 PM CDTFlash Flood WarningSHVTensas4 hr

Nearby

Tornado Warnings in Texas, 1990Tornado Warnings in Louisiana, 1990Every tornado warning in 1990Tornadoes in 1990

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.