Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 53, NWS Lake Charles, LA

May 31, 1990Nacogdoches County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at May 31, 1990, 1:36 PM CDT for Nacogdoches County, Texas. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
May 31, 1990, 1:36 PM CDT (18:36 UTC)
Expired
May 31, 1990, 2:45 PM CDT
In force
69 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Nacogdoches County, TX

The radar

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

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 12:00Z, 6.6 hours before the alert went out and 82 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 12:00Z on 1990-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2910 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 12:00Z on 1990-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
2910 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
618 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBPT 311836
SVRBPT
TXC347-311945-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
136 PM CDT THU MAY 31 1990
 
THE NATIONAL WEATHER SERVICE IN PORT ARTHUR HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 PM CDT
FOR PERSONS IN THE FOLLOWING COUNTIES
 
IN NORTHEAST TEXAS
 
   ...NACOGDOCHES COUNTY
 
AT 133 PM CDT...THE NACOGDOCHES COUNTY SHERIFFS OFFICE REPORTED
NUMEROUS TREES WERE BLOWN DOWN IN WESTERN NACOGDOCHES COUNTY
NEAR DOUGLAS.
 
STORMS IN NORTHERN AND WESTERN NACOGDOCHES COUNTY THIS MORNING
HAVE HAD A HISTORY OF STRONG WINDS AND THE STORM PRODUCING THE
DAMAGE NEAR DOUGLAS WAS MOVING TO THE EAST AT 30 MILES AN HOUR.
 
THIS STORM WILL BE AFFECTING THE CITY OF NACOGDOCHES SHORTLY.
STAY CLEAR OF WINDOWS AND SCREENS.
 
ALSO...FLOODING IS A REAL THREAT WITH THE THUNDERSTORMS TRAINING
ACROSS THE AREA THE REST OF THIS AFTERNOON. THE EAST TEXAS LAKES
AREA REMAINS UNDER A FLASH FLOOD WATCH THROUGH TONIGHT.
 
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR6 BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
DCG
NNNN

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.

In the hours before

Special weather statement, May 31, 8:32 AM CDT, 5 hours 4 minutes before
LAZ005-006-007-008-011-012-311431-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
831 AM CDT THU MAY 31 1990

...A FLASH FLOOD WATCH IS IN EFFECT TODAY FOR WEST-CENTRBAL LOUISIANA
AND INCLUDES VERNON PARISH...

AT 825 AM...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WERE OCCURRING
OVER TEXAS FROM THE NORTH END OF TOLEDO BEND RESERVOIR...TO 25 MILES NORTH
OF LUFKIN.

MOVEMENT WAS EAST AT 20 MILES AN HOUR.
Special weather statement, May 31, 9:30 AM CDT, 4 hours 6 minutes before
LAZ005-006-007-008-011-012-311530-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
930 AM CDT THU MAY 31 1990

...A FLASH FLOOD WATCH IS IN EFFECT TODAY FOR WEST-CENTRAL LOUISIANA
AND INCLUDES VERNON PARISH...

AT 925 AM...SCATTERED SHOWERS AND THUNDERSTORMS...A FEW WITH HEAVY RAIN...
CONTINUED FROM JUST NORTH OF LUFKIN TEXAS...TO THE MANY AND MANSFIELD
LOUISIANA AREAS...TO JUST NORTH OF WINNFIELD LOUISIANA.

MOVEMENT WAS EAST AT 20 MILES AN HOUR.
Special weather statement, May 31, 10:31 AM CDT, 3 hours 5 minutes before
LAZ005-006-007-008-011-012-311630-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1030 AM CDT THU MAY 31 1990

...A FLASH FLOOD WATCH IS IN EFFECT TODAY FOR WEST-CENTRAL LOUISIANA
AND INCLUDES VERNON PARISH...

AT 1025 AM...AN ISOLATED THUNDERSTORM WITH VERY HEAVY RAIN WAS SHOWN
JUST NORTH OF MANSFIELD.

OTHERWISE...SCATTERED SHOWERS AND THUNDERSTORMS...A FEW WITH HEAVY RAIN
...WERE OCCURRING FROM OVER TEXAS MIDWAY BETWEEN LUFKIN AND LONGVIEW...
ACROSS THE NORTH END TOLEDO BEND RESERVOIR INTO LOUISIANA...TO THE MANY
AND WINNFIELD AREAS.

MOVEMENT WAS EAST AT 30 MILES AN HOUR.
Special weather statement, May 31, 10:32 AM CDT, 3 hours 4 minutes before
LAZ005-006-007-008-011-012-311630-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1030 AM CDT THU MAY 31 1990

...A FLASH FLOOD WATCH IS IN EFFECT TODAY FOR WEST-CENTRAL LOUISIANA
AND INCLUDES VERNON PARISH...

AT 1025 AM...AN ISOLATED THUNDERSTORM WITH VERY HEAVY RAIN WAS SHOWN
JUST NORTH OF MANSFIELD.

OTHERWISE...SCATTERED SHOWERS AND THUNDERSTORMS...A FEW WITH HEAVY RAIN
...WERE OCCURRING FROM OVER TEXAS MIDWAY BETWEEN LUFKIN AND LONGVIEW...
ACROSS THE NORTH END TOLEDO BEND RESERVOIR INTO LOUISIANA...TO THE MANY
AND WINNFIELD AREAS.

MOVEMENT WAS EAST AT 30 MILES AN HOUR.
Special weather statement, May 31, 11:40 AM CDT, 1 hour 56 minutes before
LAZ005-006-007-008-011-012-311740-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1140 AM CDT THU MAY 31 1990

...A FLASH FLOOD WATCH IS IN EFFECT THIS AFTERNOON FOR WEST-CENTRAL
LOUISIANA AND INCLUDES VERNON PARISH...

AT 1125 AM...SCATTERED SHOWER AND THUNDERSTORMS...SOME WITH HEAVY RAIN...
CONTINUED FROM NEAR SAN AUGUSTINE TEXAS AND THE NORTHERN TIP OF TOLEDO BEND
RESERVIOR...ACROSS THE MANFIELD LOUISIANA AREA...TO JUST NORTH OF WINNFIELD.

STRONG GUSTY WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING AND HEAVY
RAINFALL CAN BE EXPECTED WITH THE THUNDERSTORMS AS THEY MOVE EAST AT
30 MILES AN HOUR.

ELSEWHERE...ISOLATED SHOWERS AND THUNDERSTORMS HAD DEVELOPED FROM THE
OAKDALE AND BUNKIE AREAS...TO JUST NORTHEAST OF LAFAYETTE...AND OVER
TEXAS IN THE WOODVILLE AND LUFKIN AREAS.
Special weather statement, May 31, 12:38 PM CDT, 58 minutes before
LAZ005-006-007-008-011-012-311837-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1237 PM CDT THU MAY 31 1990

...A FLASH FLOOD WATCH IS IN EFFECT THIS AFTERNOON FOR WEST-CENTRAL
LOUISIANA AND INCLUDES VERNON PARISH...

AT 1225 PM...ISOLATED THUNDERSTORMS WITH VERY HEAVY RAIN WERE
OCCURRING NEAR THE NORTHERN TIP OF TOLEDO BEND RESERVOIR AND WINNFIELD.

AN ISOLATED THUNDERSTORM...WITH HEAVY RAIN...WAS DEVELOPING OVER
VERNON PARISH MIDWAY BETWEEN LEESVILLE AND OAKDALE.

STRONG GUSTY WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING...VERY HEAVY
RAINFALL...AND SOME SMALL HAIL MAY ACCOMPANY THESE THUNDERSTORMS AS
THEY MOVE EAST AT 30 MILES AN HOUR.

OTHERWISE...RAIN MIXED WITH A FEW THUNDERSTORMS...WITH HEAVY RAIN...
WERE DETECTED FROM JUST NORTH OF LAKE LIVINGSTON TEXAS...TO THE
MANSFIELD AND WINNFIELD LOUISIANA AREAS.

ISOLATED SHOWERS WERE INDICATED FROM JUST NORTH OF BUNKIE...TO
MIDWAY BETWEEN BATON ROUGE AND OPELOUSAS.

AN ISOLATED SHOWER WAS ALSO NOTED JUST NORTHEAST OF BATON ROUGE.

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 3:42 PM CDTFlash Flood WarningLCHAngelina, Nacogdoches, Sabine, San Augustine4 hr

Nearby

Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.