Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 49, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at May 27, 1990, 1:35 PM CDT for Sabine County, San Augustine County, Texas. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- May 27, 1990, 1:35 PM CDT (18:35 UTC)
- Expired
- May 27, 1990, 2:30 PM CDT
- In force
- 55 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
Counties Sabine County, TX, San Augustine 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 123 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.
- Mixed-layer CAPE
- 2613 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 561 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 6.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBPT 271836 SVRBPT TXC005-347-403-405-271930- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PORT ARTHUR TX 135 PM CDT SUN MAY 27 1990 THE NATIONAL WEATHER SERVICE IN PORT ARTHUR HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 230 PM CDT FOR PERSONS IN THE FOLLOWING COUNTIES IN EAST CENTRAL TEXAS ...ANGELINA COUNTY IN NORTHEAST TEXAS ...NACOGDOCHES COUNTY...SABINE COUNTY...SAN AUGUSTINE COUNTY A LINE OF VERY STRONG TO SEVERE THUNDERSTORMS IS MOVING SOUTHEAST AT 35 MPH. AT 130 PM CDT THE LINE WAS LOCATED FROM SOUTH OF PALESTINE EAST ACORSS NORTHERN NACOGDOCHES AND SHELBY COUNTIES INTO WESTERN LOUISIANA. WINDS NEAR 60 MPH HAVE BEEN REPORTED ALL ALONG THIS LINE AS IT MOVES SOUTHEAST THROUGH THE EAST TEXAS LAKES AREA. TREES AND LIMBS HAVE BEEN REPORTED DOWNED AND THERE HAVE BEEN NUMEROUS POWER OUTAGES ASSOCIATED WITH THIS LINE OF THUNDERSTORMS. HEAVY RAINS...2 TO 3 INCHES AN HOUR...CAN BE EXPECTED AS THE THUNDERSTORMS MOVE ACROSS THE AREA. 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 OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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 27, 8:25 AM CDT, 5 hours 10 minutes before
LAZ005-006-007-008-011-012-271330- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 825 AM CDT SUN MAY 27 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF NORTHERN AND CENTRAL LOUISIANA UNTIL 1000 AM..THE WATCH INCLUDES GRANT...LA SALLE ...AND RAPIDES PARISHES IN CENTRAL LOUISIANA... AT 825 AM...SCATTERED SHOWERS...PATCHES OF RAIN...AND A FEW THUNDERSTORMS CONTINUED OVER PORTIONS OF CENTRAL LOUISIAwNA...MAINLY BEWTEEN TOLEDO BEND RESERVOIR AND NORTHEAST OF ALEXANDRIA. AN ISOLATED THUNDERSTORM WAS SHOWN IN EAST TEXAS JUST SOUTH OF RAYBURN LAKE. MOVEMENT WAS EAST AT 35 MPH.
Special weather statement, May 27, 12:25 PM CDT, 1 hour 10 minutes before
LAZ005-006-007-008-011-012-271830- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 1225 PAM CDT SUN MAY 27 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF NORTHERN AND CENTRAL LOUISIANA UNTIL 400 PM..THE WATCH INCLUDES GRANT AND LA SALLE PARISHES IN CENTRAL LOUISIANA... AT 1225 PM...SCATTERED SHOWERS...PATCHES OF RAIN...AND A FEW THUNDERSTORMS WERE DEVELOPING OVER PORTIONS OF CENTRAL LOUISIANA...MAINLY WEST THROUGH NORTH AND ALSO NORTHEAST OF ALEXANDRIA AND EXTENDING INOT SOUTHWEST MISSISSIPPI. LITTLE MOVEMENT WAS INDICATED AT THIS TIME.
Special weather statement, May 27, 1:27 PM CDT, 8 minutes before
TXZ033-272030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PORT ARTHUR TX 127 PM CDT SUN MAY 27 1990 ...SEVERE THUNDERSTORM WATCH IN THE EAST TEXAS LAKES REGION... SEVERE THUNDERSTORM WATCH 331 REMAINS IN EFFECT FOR THE NORTHERN PORTIONS OF THE EAST TEXAS LAKES REGION UNTIL 400 PM CDT. A LINE OF STRONG THUNDERSTORMS WAS MOVING SOUTHEAST INTO THE EAST TEXALAKES REGION AT 115 PM CDT. THE LINE WAS FROM NEAR CROCKETT EASTWARD ACROSS NORTHERN NACOGDOCHES AND SHELBY COUNTIES INTO WEST LOUISIANA. THIS LINE IS MOVING SOUTHEAST NEAR 35 MPH. THERE WILL STRONG GUSTY WINDS...HEAVY RAINS...AND DANGEROUS LIGHTNING ASSOCIATED WITH THE LINE OF THUNDERSTORMS BOATERS ON LAKE rSAM RAYBURN AND ON TOLEDO BEND RESERVIOR SHOULD HEAD FOR SHORE AT THE FIRST SIGN OF THIS APPROACHING LINE OF THUNDERSTORMS.
Special weather statement, May 27, 1:34 PM CDT, 1 minute before
LAZ005-006-007-008-011-012-271930- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 125 PM CDT SUN MAY 27 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF NORTHERN AND CENTRAL LOUISIANA UNTIL 400 PM..THE WATCH INCLUDES GRANT AND LA SALLE PARISHES IN CENTRAL LOUISIANA... AT 125 PM...SCATTERED SHOWERS...PATCHES OF RAIN...AND A FEW THUNDERSTORMS SOME WITH STRONG WINDS AND HEAVY RAINS CONTINUED TO DEVELOPED OVER EASTERN TEXAS AND CENTRAL LOUISIANA. THIS AREA EXTENDED SOTH OF A SHREVEPORT MONROE LINE TO JUST NORTH OF DERIDDER. HEAVIEST THUNDERSTORMS WERE INDICATED WEST AND NORTHWEST OF THE NORTHERN PORTIONS OF TOLEDO BEND RESERVOIR. THESE THUNDVERSTORMS HAVE PRODUCED WINDS IN EXCESS OF 60 MPH IN SOME LOCATIONS IN TEXAS. THUNDERSTORMS WERE MOVING TOWARD THE SOUTHEAST AT 35 MPH.
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 1:35 PM CDT | Severe Thunderstorm Warning | LCH | Angelina, Nacogdoches | 55 min |
| May 27, 4:17 PM CDT | Severe Thunderstorm Warning | LCH | Hardin, Jasper | 58 min |
| May 27, 5:14 PM CDT | Tornado Warning | LCH | Orange | 46 min |
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.