Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 76, NWS Shreveport, LA

April 27, 1990Rusk County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 27, 1990, 6:19 PM CDT for Rusk County, Texas. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Apr 27, 1990, 6:19 PM CDT (23:19 UTC)
Expired
Apr 27, 1990, 7:15 PM CDT
In force
56 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Rusk 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, 11.3 hours before the alert went out and 31 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 1990-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 81 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 1990-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
81 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
634 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
-18 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 KSHV 272321
SVRSHV
TXC401-280015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
619 PM CDT FRI APR 27 1990
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS..
 
IN NORTHEAST TEXAS
 
   ...SOUTHERN RUSK COUNTY
 
AT 620 PM CDT WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A SEVERE
THUNDERSTORM ABOUT 10 MILES SOUTHWEST OF HENDERSON TEXAS IN SOUTH
RUSK COUNTY. THE STORM WAS MOVING TO THE EAST SOUTHEAST AT 10 MPH.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONE6S
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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, Apr 27, 2:51 PM CDT, 3 hours 28 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-
003-004-005-006-272100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
250 PM CDT THU APR 26 1990

...SHOWERS AND THUNDERSTORMS DEVELOP OVER PARTS OF SOUTHEAST
   OKLAHOMA AND NORTHEAST TEXAS...

AT 245 PM CDT...NATIONAL WEATHER SERVICE RADAR AT SHREVEPORT INDICATED
A DEVELOPING BAND OF SHOWERS AND THUNDERSTORMS OVER SOUTHEAST OKLAHOMA
AND NORTHEAST TEXAS.  THE BAND OF SHOWERS AND THUNDERSTORMS WAS 15 MILES
WIDE AND EXTENDED FROM VANDERVOORT ARKANSAS SOUTHWESTWARD TO IDABEL
OKLAHOMA TO PITTSBURG TEXAS.  MOVEMENT WAS NORTHEAST AT 20 MILES AN
HOUR.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF GUSTY WINDS..LOCALLY
HEAVY RAINFALL..DANGEROUS LIGHTNING AND SMALL HAIL.

AS THE AFTERNOON PROGRESSES THE SHOWERS AND THUNDERSTORMS WILL CONTINUE
TO DEVELOP SOUTH AND SOUTHWESTWARD ACROSS EAST TEXAS.  THE AREA OF
SHOWERS AND THUNDERSTORMS WILL MOVE SLOWLY -EASTWARD ACROSS THE
ARKLATEX THIS EVENING AND TONIGHT AND A FEW SEVERE STORMS CAN BE
EXPECTED.

A TORNADO WATCH WILL BE IN EFFECT AFTER 315 PM CDT FOR PARTS OF NORTH
CENTRAL TEXAS AND ALL OF EAST TEXAS.
Special weather statement, Apr 27, 2:55 PM CDT, 3 hours 24 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-
003-004-005-006-272100-

SPECIAL WEATHER STATEMENT...CORRECTED FOR DATE...
NATIONAL WEATHER SERVICE SHREVEPORT LA
250 PM CDT FRI APR 27 1990

...SHOWERS AND THUNDERSTORMS DEVELOP OVER PARTS OF SOUTHEAST
   OKLAHOMA AND NORTHEAST TEXAS...

AT 245 PM CDT...NATIONAL WEATHER SERVICE RADAR AT SHREVEPORT INDICATED
A DEVELOPING BAND OF SHOWERS AND THUNDERSTORMS OVER SOUTHEAST OKLAHOMA
AND NORTHEAST TEXAS.  THE BAND OF SHOWERS AND THUNDERSTORMS WAS 15 MILES
WIDE AND EXTENDED FROM VANDERVOORT ARKANSAS SOUTHWESTWARD TO IDABEL
OKLAHOMA TO PITTSBURG TEXAS.  MOVEMENT WAS NORTHEAST AT 20 MILES AN
HOUR.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF GUSTY WINDS..LOCALLY
HEAVY RAINFALL..DANGEROUS LIGHTNING AND SMALL HAIL.

AS THE AFTERNOON PROGRESSES THE SHOWERS AND THUNDERSTORMS WILL CONTINUE
TO DEVELOP SOUTH AND SOUTHWESTWARD ACROSS EAST TEXAS.  THE AREA OF
SHOWERS AND THU;NDERSTORMS WILL MOVE SLOWLY EASTWARD ACROSS THE
ARKLATEX THIS EVENING AND TONIGHT AND A FEW SEVERE STORMS CAN BE
EXPECTED.

A TORNADO WATCH WILL BE IN EFFECT AFTER 315 PM CDT FOR PARTS OF NORTH
CENTRAL TEXAS AND ALL OF EAST TEXAS.
Local storm report, Apr 27, 5:36 PM CDT, 43 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
530 PM CDT FRI APR 27 1990

REPORTS FOR APRIL 27 1990
CNTY/PARISH      ST    TIME CDT  EVENT

CASS             TX    445 PM    GOLF BALL SIZE HAIL OCCURRED WEST
                                 OF LINDEN TEXAS.

CASS             TX    455 PM    MARBLE SIZE HAIL OCCURRED LINDEN-
                                 AVENGER TEXAS.

CASS             TX    516 PM    3/4 INCH SIZE HAIL COVERED THE GRbOUND
                                 ALONG HIGHWAY 59 SOUTH OF LINDEN TEXAS.

NOTE: THIS STORM HAS CYCLES OF PRODUCING SMALL HAIL THEN LARGE HAIL.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 5:05 PM CDTSevere Thunderstorm WarningSHVCass55 min
Apr 27, 5:46 PM CDTSevere Thunderstorm WarningSHVHarrison, Marion59 min
Apr 27, 6:23 PM CDTTornado WarningSHVHarrison67 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.