Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 237, NWS Shreveport, LA

October 8, 1990Rusk County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Oct 8, 1990, 5:30 PM CDT for Rusk County, Texas. It was in force for 75 min.

The area

The counties it named.

The facts

Issued
Oct 8, 1990, 5:30 PM CDT (22:30 UTC)
Expired
Oct 8, 1990, 6:45 PM CDT
In force
75 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, 10.5 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 1990-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 777 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 1990-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
777 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
658 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Oct 8, 5:24 PM CDT, 6 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-
003-004-005-006-090030-

SPECIAL WEATHER STATEMENT..CORRECTION TO TIME
NATIONAL WEATHER SERVICE SHREVEPORT LA
515 PM CDT MON OCT 8 1990

...A FLASH FLOOD WATCH IN EFFECT TONIGHT FOR NORTHEAST TEXAS..
SOUTHEAST OKLAHOMA..AND SOUTHWEST ARKANSAS...

AT 508 PM CDT WEATHER SERVICE RADAR IN SHREVEPORT SHOWED WIDELY
SCATTERED SHOWERS AND THUNDERSTORMS..SOME PROUDUCING VERY HEAVY
RAINFALL..OVER NORTHEAST TEXAS..NORTHWEST LOUISIANA..AND SOUTHWEST
ARKANSAS. THE STRONGER THUNDERSTORMS WERE INDICATED NEAR STAMPS
AND CANFIELD ARKANSAS..JUST WEST OF SHREVEPORT LOUISIANA..AND NEAR
ELYSIAN FIELDS..REKLAW..AND WEST OF DEKALB TEXAS.  THE SHOWERS AND
THUNDERSTORMS WERE MOVING TO THE EAST NORTHEAST AT 20 MPH WITH
THE STRONGER STORMS PROUDUCING VERY HEAVY RAINS..FREQUENT AND
DANGEROUS LIGHTNING..AND GUSTY WINDS.

SHOWERS AND THUNDERSTORMS WILL MOST LIKELY BECOME MORE NUMEROUS
DURING THE NIGHT AND ALSO TUESDAY.

DURING THE NIGHT LAST NIGHT AND EARLY MONDAY MORNING SHOWERS AND
THUNDERSTORMS PROUDUCED RAINFALL AMOUNTS FROM NEAR 2 TO AS HIGH
AS TEN INCHES OVER PARTS OF NORTHEAST TEXAS..SOUTHEAST OKLAHOMA..
AND SOUTHWEST ARKANSAS.  IF ADDITIONAL HEAVY RAINS OCCUR OVER
THIS REGION DURING THE NIGHT AND TUESDAY..FLASH FLOODING IS
A POSSIBILITY.  PERSONS OVER THIS AREA SHOULD REMAIN ALERT TO
PROLONG MODERATE TO HEAVY RAINFALL AND PREPARED TO MOVE TO HIGHER
GROUND OR PROTECT PROPERTY IF A WARNING IS ISSUED OR FLOODING
OCCURS. THE SOILS HAVE BEEN SATURATED WITH SMALL STREAMS AND RIVERS
REMAINED AT HIGH LEVELS DUE TO EXCESS WATER RUNOFF.

RAINFALL REPORTED FOR THE 24 HOUR PERIOD ENDING AT 800 AM CST.
NORTH LOUISIANA:
 BASTROP        0.16   RED RIVER EXP.  0.71   KORAN           0.25
 KEITHVILLE     0.17   LK. PROVIDENCE  0.78   RUSTON          0.01
 MARION         0.06   NLU MONROE      0.80   TALLULAH        0.08
 BARKSDALE AFB  0.48   MONROE AIRPORT  0.07    MADISON PARK   0.02

NORTHEAST TEXAS:
 ATLANTA        0.06   DEKLAB          2.28   MAUD            1.14
 TEXARKANA      1.17   WRIGHT PATMAN   0.30

SOUTHWEST ARKANSAS:
 MILLWOOD DAM   0.06   ATHENS          5.16   ASHDOWN         2.82
 CALION LOCK    0.40   DIERKS RESER.   5.98   DEQUEEN LAKE    5.09
 DEQUEEN        4.90   DIERKS          7.80   FOREMAN         2.83
 FULTON         2.00   GILLIAM RESER.  5.98   GLENWOOD        4.34
 HOPE           2.48   HORATIO        10.98   LANGLEY         4.94
 MAGNOLIA       0.40   NEWHOPE 6S      6.88   NASHVILLE       7.01
 TEXARKANA APT  1.28   ELDORADO        0.24   WILTON          4.18
 LOCKSBURG      6.43

SOUTHEAST OKLAHOMA:
 ANTLER TOWER   3.28   CARNASAW        3.38   SMITHVILLE      6.60
 VALLIANT       3.60   BROKEN BOW TWR  3.51   BATTIEST        1.95
 CARTER TWR.    2.12   FLAGPOLE        1.10   JADIE TOWER     5.80
 HEE MOUNTAIN   2.56   SOBOL TOWER     5.27   TOM MOUNTAIN    4.15
 BEAR MOUNTAIN  2.44   BROKEN BOW DAM  3.09   PINE CREEK DAM  1.37
 HUGO           2.19   IDABEL          3.17   GLOVER          3.09

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 8, 4:20 AM CDTFlash Flood WarningSHVBowie5 hr
Oct 8, 1:09 AM CDTFlash Flood WarningSHVHoward, Pike3 hr
Oct 8, 1:09 AM CDTFlash Flood WarningSHVLittle River, Sevier3 hr
Oct 8, 4:20 AM CDTFlash Flood WarningSHVHempstead, Howard, Pike5 hr
Oct 8, 9:15 AM CDTFlash Flood WarningSHVHempstead, Howard, Pike3 hr
Oct 8, 9:15 AM CDTFlash Flood WarningSHVLittle River, Sevier3 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.