Alert archive / Arkansas / Flash Flood Warnings in 1990

Flash Flood Warning 4, NWS Shreveport, LA

February 3, 1990Columbia County, Arkansas; Webster Parish, Louisiana

NWS Shreveport, LA issued this flash flood warning at Feb 3, 1990, 5:30 AM CST for Columbia County, Arkansas; Webster Parish, Louisiana. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Feb 3, 1990, 5:30 AM CST (11:30 UTC)
Expired
Feb 3, 1990, 8:30 AM CST
In force
3 hr
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Columbia County, AR, Webster Parish, LA

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 00:00Z, 11.5 hours before the alert went out and 141 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 1990-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 377 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 1990-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 234 square meters per square second.1939587897117Sfc1 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
377 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
562 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
234 m²/s²
0-3 km storm-relative helicity
297 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSHV 031134
FFWSHV
ARC027-LAC015-119-031430-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
530 AM CST SAT FEB 3 1990
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  830 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES AND PARISHES...
 
IN SOUTHWEST ARKANSAS
          ...COLUMBIA
IN NORTHWEST LOUISIANA
          ...BOSSIER...WEBSTER
 
LOCALLY HEAVY RAINS HAVE FALLEN ACROSS PARTS OF THE WARNED AREA
DURING THE PAST FOUR HOURS AS NUMEROUS SHOWERS AND STRONG
THUNDERSTORMS HAVE CONTINUED TO SPREAD NORTHEAST OVER THE SAME
GENERAL AREA. RAINFALL AMOUNTS OF ONE TO THREE INCHES HAVE
LIKELY FALLEN AND DUE TO THE ALREADY WET GROUND...MOST OF THE
RAIN HAS RUNOFF WITH SOME PONDING OF WATER NOTED.
 
WATER HAS BEEN REPORTED STANDING ON SOME ROADWAYS. NUMEROUS
SHOWERS AND THUNDERSTORMS CONTINUED TO SPREAD NORTHEAST OVER
THE WARNED AREA AND THIS ADDITIONAL RAIN WILL ONLY AGGREVATE
THIS SITUATION. SMALL STREAMS AND BAYOUS ARE RUNNING NEAR
3/4 BANKFUL AND ARE ON THE RISE. ADDITIONAL HEAVY RAINS MAY
ALLOW SOME STREAMS TO EXPERIENCE OVERFLOW.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

What forecasters said that day

The local office's own words before this flash flood 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, Feb 2, 11:51 PM CST, 5 hours 39 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-003-
004-005-006-030800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1140 PM CST FRI FEB 2 1990

...SEVERE THUNDERSTORM WATCH NO LONGER IN EFFECT FOR NORTH LOUISIANA AND
SOUTHWEST ARKANSAS...

AT 1130 PM NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED SCATTERED
SHOWERS AND THUNDERSTORMS ACROSS NORTHEAST TEXAS AND SOUTHWEST ARKANSAS.
THE HEAVIEST RAIN WAS OCCURRING OVER NORTHEAST TEXAS ABOUT 15 MILES NORTH
OF DANGERFIELD...AND IN SOUTHWEST ARKANSAS NEAR DEQUEEN. MOVEMENT WAS TO
THE NORTHEAST AT 35 MILES PER HOUR. THESE STORMS WERE PRODUCING VERY
HEAVY RAINFALL AND LOW AREA FLOODING WILL OCCUR AS WELL AS OVERFLOW OF
SMALL STREAMS IN THE AREA.

THUNDERSTORM ACTIVITY HAD DIMINISHED ACROSS NORTH LOUISIANA WITH ONLY
PATCHY LIGHT RAIN INDICATED BY RADAR. RAINFALL AMOUNTS OVER NORTH
CENTRAL LOUISIANA THIS EVENING WERE AROUND TWO INCHES.
.
RAIN AND THUNDERSTORMS WILL CONTINUE TONIGHT ACROSS THE AREA AS A
STATIONARY FRONT REMAINS ACROSS THE ARKLATES TONIGHT.
Special weather statement, Feb 3, 1:20 AM CST, 4 hours 10 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-003-
004-005-006-030900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
115 AM CST SAT FEB 3 1990

...SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED TO SPREAD NORTHEAST
ACROSS NORTHEAST TEXAS..SOUTHWEST ARKANSAS..AND NORTHWEST LOUISIANA...

AT 110 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
SHOWERS AND THUNDERSTORMS THAT EXTENDED GENERALLY NORTHWEST OF A LINE
BASTROP TO RUSTON LOUISIANA TO NEAR HEMPHILL TEXAS. THE RAIN EXTENDED
ON NORTHWEST INTO SOUTHEAST OKLAHOMA. MOVEMENT WAS NORTHEAST NEAR 30
MILES PER HOUR. STRONG THUNDERSTORMS WERE NOTED NEAR LEWISVILLE
ARKANSAS AND FROM BENTON LOUISIANA TO GRAND CANE LOUISIANA.

THE STRONG THUNDERSTORMS WERE PRODUCING HEAVY RAINS THAT MAY CAUSE
SOME LOW AREA AND STREET FLOODING AS WELL AS FREQUENT LIGHTNING AND
GUSTY WINDS.
.
RAIN AND THUNDERSTORMS WILL CONTINUE TONIGHT ACROSS THE AREA AS A
STATIONARY FRONT LINGERS ACROSS THE ARKLATEX THROUGH THE NIGHT.
Special weather statement, Feb 3, 3:01 AM CST, 2 hours 29 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-003-
004-005-006-031000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
300 AM CST SAT FEB 3 1990

...A TORNADO WATCH IS IN EFFECT FOR NORTHWEST LOUISIANA AND SOUTH
CENTRAL AND SOUTHWEST ARKANSAS UNTIL 9 AM...
...SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED TO SPREAD NORTHEAST
ACROSS NORTHEAST TEXAS..SOUTHWEST ARKANSAS..AND NORTHWEST LOUISIANA...

AT 255 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
SCATTERED SHOWERS AND THUNDERSTORMS THAT EXTENDED NORTHWEST OF A LINE
FROM NEAR CROSSETT ARKANSAS TO NEAR RUSTON LOUISIANA TO NEAR LUFKIN
TEXAS. THE RAIN EXTENDED INTO EXTREME SOUTHEAST OKLAHOMA.

MOVEMENT WAS NORTHEAST NEAR 30 MILE PER HOUR.

STRONG THUNDERSTORMS WERE NOTED NORTH OF MAGNOLIA ARKANSAS...FROM NEAR
SIBLEY LOUISIANA TO 10 MILES SOUTHEAST OF SHREVEPORT...10 MILES WEST
OF SHREVEPORT...AND NORTH OF TEXARKANA.

THE STRONG THUNTDERSTORMS WERE PRODUCING STRONG GUSTY WINDS...PEA TO
MARBLE SIZE HAIL...FREQUENT LIGHTNING AND HEAVY RAINS THAT WILL CAUSE
LOW AREA AND URBAN FLOODING.
Special weather statement, Feb 3, 4:25 AM CST, 1 hour 5 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-003-
004-005-006-031130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
420 AM CST SAT FEB 3 1990

...A TORNADO WATCH IS IN EFFECT FOR NORTHWEST LOUISIANA..SOUTH CENTRAL
AND SOUTHWEST ARKANSAS UNTIL 9 AM...
...SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED TO SPREAD NORTHEAST
ACROSS NORTHEAST TEXAS..SOUTHWEST ARKANSAS..AND NORTHWEST LOUISIANA...

AT 415 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
SCATTERED SHOWERS AND THUNDERSTORMS IN A 60 MILE WIDE BAND THAT
EXTENDED FROM NEAR PINE BLUFF ARKANSAS ACROSS SHREVEPORT LOUISIANA TO
NEAR COLLEGE STATION TEXAS.

ANOTHER 20 MILE WIDE BAND OF SHOWERS AND THUNDERSTORMS WAS LOCATED FROM
NEAR LONE STAR TEXAS TO SOUTHWEST OF PALESTINE TEXAS. ALSO ISOLATED
THUNDERSTORMS WERE NOTED NEAR HUGO OKLAHOMA.
.
MOVEMENT WAS NORTHEAST NEAR 30 MPH.

THE STRONGEST STORMS WERE LOCATED 15 MILES SOUTHEAST OF SHREVEPORT...
WEST OF BENTON...SOUTH OF SPRINGHILL LOUISIANA AND SOUTH OF CAMDEN
ARKANSAS.

THE STRONG THUNDERSTORMS WERE PRODUCING STRONG GUSTY WINDS...PEA TO
MARBLE SIZE HAIL...FREQUENT LIGHTNING AND HEAVY RAINS THAT WILL CAUSE
LOW AREA AND URBAN FLOODING.

RAINFALL AMOUNTS IN BOSSIER AND WEBSTER PARISHES AND IN COLUMBIA
COUNTY ARKANSAS ARE LIKELY IN THE ONE TO TWO 1/2 INCH RANGE. SOME
FLOODING PROBLEMS WILL LIKELY DEVELOP AS ADDITIONAL RAIN FALLS.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 1:46 AM CSTSevere Thunderstorm WarningSHVColumbia59 min
Feb 3, 1:59 AM CSTTornado WarningSHVColumbia46 min
Feb 2, 6:31 PM CSTSevere Thunderstorm WarningSHVCaddo59 min
Feb 2, 7:55 PM CSTTornado WarningSHVMorehouse50 min
Feb 3, 5:30 AM CSTFlash Flood WarningSHVBossier3 hr
Feb 3, 8:58 AM CSTSevere Thunderstorm WarningSHVClaiborne62 min
Feb 3, 1:14 PM CSTSevere Thunderstorm WarningSHVMadison61 min

Nearby

Flash Flood Warnings in Arkansas, 1990Flash Flood Warnings in Louisiana, 1990Every flash flood 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.