Alert archive / Texas / Flash Flood Warnings in 1993

Flash Flood Warning 21, NWS Shreveport, LA

June 21, 1993Gregg County, Rusk County, Texas

NWS Shreveport, LA issued this flash flood warning at Jun 21, 1993, 7:30 AM CDT for Gregg County, Rusk County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 21, 1993, 7:30 AM CDT (12:30 UTC)
Expired
Jun 21, 1993, 10:30 AM CDT
In force
3 hr
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Gregg County, TX, Rusk County, TX

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 12:00Z, 0.5 hours before the alert went out and 19 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 1993-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 152 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Longview/Gregg, TX at 12:00Z on 1993-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 km3 km6 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
152 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
646 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 KSHV 211233
FFWSHV
ARC027-073-LAC015-017-TXC183-401-211530-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
730 AM CDT MON JUN 21 1993
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1030 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST ARKANSAS
 
   ...COLUMBIA COUNTY...LAFAYETTE COUNTY
 
 
IN NORTHWEST LOUISIANA
 
   ...BOSSIER PARISH...CADDO PARISH
 
 
IN NORTHEAST TEXAS
 
   ...GREGG COUNTY...RUSK COUNTY
 
AT 720 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
A 35 MILE WIDE AREA OF RAIN...SHOWERS AND A FEW THUNDERSTORMS THAT
EXTENDED FROM NEAR HAMBURG ARKANSAS ACROSS WALDO ARKANSAS TO NEAR
TALCO TEXAS. WITHIN THIS AREA HEAVY RAIN WAS FALLING FROM STAMPS
ARKANSAS TO NORTH OF EL DORADO ARKANSAS.
 
MOVEMENT WAS NORTHEAST NEAR 5 MILES AN HOUR.
 
ALSO...A 60 MILE WIDE AREA OF RAIN...SHOWERS AND THUNDERSTORMS EXTENDED
FROM NEAR MARION LOUISIANA ACROSS ARCADIA LOUISIANA TO SOUTH OF
LONGVIEW TEXAS. HEAVY RAINS WERE NOTED BETWEEN MARSHALL TEXAS AND
HENDERSON TEXAS...ALSO FROM SHREVEPORT TO BENTON LOUISIANA.
 
MOVEMENT WAS NORTH NEAR 5 MILES AN HOUR.
 
OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED FROM WEST OF TYLER
TEXAS TO NEAR NEWTON TEXAS.
 
RAINFALL AMOUNTS OVER THE WARNED AREAS HAVE BEEN IN THE ONE TO
THREE INCH RANGE OVERNIGHT. AS MODERATE TO HEAVY RAINS CONTINUE
TO FALL FLOODING WILL RAPIDLY DEVELOP. OVER THE WEEKEND RAINFALL
IN SOUTHWEST ARKANSAS WAS IN THE TWO TO FOUR INCH RANGE...WHILE
RAINFALL IN NORTHWEST LOUISIANA WAS IN THE THREE TO SIX INCH
RANGE. NORTHEAST TEXAS WAS HARDEST HIT WITH RAINFALL TOTALS OVER
THE WEEKEND OF FIVE TO FIFTEEN INCHES.
 
SMALL STREAMS WERE LEAVING THEIR BANKS IN THE WARNED AREAS AND
STREET AND URBAN FLOODING WAS DEVELOPING.
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR C|AR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 3:38 AM CDTFlash Flood WarningSHVHarrison, Panola4 hr
Jun 21, 7:46 AM CDTFlash Flood WarningSHVHarrison, Panola3 hr
Jun 21, 9:51 AM CDTFlash Flood WarningSHVPanola4 hr
Jun 21, 9:51 AM CDTFlash Flood WarningSHVGregg, Harrison, Rusk4 hr
Jun 21, 1:38 PM CDTFlash Flood WarningSHVHarrison3 hr
Jun 21, 3:47 PM CDTFlash Flood WarningSHVGregg, Harrison3 hr

Nearby

Flash Flood Warnings in Texas, 1993Every flash flood warning in 1993

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.