Alert archive / Texas / Flash Flood Warnings in 1986

Flash Flood Warning 36, NWS Shreveport, LA

February 3, 19865 counties in Texas

NWS Shreveport, LA issued this flash flood warning at Feb 3, 1986, 7:50 PM CST for 5 counties in Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Feb 3, 1986, 7:50 PM CST (01:50 UTC)
Expired
Feb 3, 1986, 11:00 PM CST
In force
3 hr
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Cass County, TX, Gregg County, TX, Harrison County, TX, Marion County, TX, 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 00:00Z, 1.8 hours before the alert went out and 29 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 1986-02-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 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 1986-02-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 317 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
11 J/kg
Mixed-layer CIN
-240 J/kg
Mixed-layer LCL
527 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
317 m²/s²
0-3 km storm-relative helicity
526 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 040155
FFWSHV
TXC401-183-203-315-067-040500-

BULLETIN...EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
750 PM CST MON FEB 3 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE
UNTIL 1100 PM CST   FOR PEOPLE IN THE FOLLOWING COUNTIES IN

NORTHEAST TEXAS...NORTHWEST RUSK...GREGG...WESTERN HARRISON...MARION
AND CASS.

AT 750 PM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS
SHOWING NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS CONTINUING OVER
NORTHEAST TEXAS AND THE NORTHWEST TIP OF LOUISIANA AND MUCH OF SOUTH
WEST ARKANSAS NORTHWEST OF A MAGNOLIA...SHREVEPORT CENTER TEXAS LINE.

A BAND OF HEAVY THUNDERSTORMS WERE IN A AREA FROM NORTHEAST OF LINDEN
TEXAS TO NEAR LONGVIEW TO WEST OF HENDERSON...SPREADING SLOWLY NORTH
EAST.

RADAR INDICATIONS ARE THAT FROM TWO TO OVER THREE INCHES OF RAIN HAS
OCCURRED IN THE WARNED AREA AND ADDITONAL RAINFALL OF ONE TO TWO
INCHES WILL OCCUR.

LOW AREA FLOODING WILL INCREASE AND AFECT SEVERAL ROADWAYS WITH OVER
FLOW AND SMALL STREAMS MAY LEAVE THEIR BANKS. MOTORISTS ARE URGED
NOT TO DRIVE THROUGH FLOODED ROADWAYS.

FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF NORTHEAST TEXAS AND A
SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF NORTHEAST TEXAS...
NORTHWEST LOUISIANA AND THE ADJACENT AREA OF SOUTHWEST ARKANSAS.

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 3, 3:15 PM CST, 4 hours 35 minutes before
NEWSPSSHV
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
310 PM CST MON FEB 3 1986

NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS CONTINUE OVER THE NORTH-
WEST HALF OF THE ARKLATEX.

HEAVY RAINFALL HAS OCCURRED TODAY WITH THE SLOW MOVING SYSTEM. RAINFALL
OF ON TO TWO INCHES HAS OCCURRED OVER AN AREA NORTHWEST OF A LINE FROM
NEAR PRESCOTT ARKANSAS TO WEST OF LEWSIVILLE TO THE LOUISIANA/TEXAS/
ARKANSAS BORDER SECTION TO NEAR LONGVIEW TO NORTHWEST OF PALESTINE. A
FEW SPOTS HAVE RECEIVED UPWARDS TO THREE INCHES OVER THE PAST FOUR TO
FIVE HOURS.

AREA STREAMS WERE WELL BELOW SEASONAL NORMAL PRIOR TO THIS RAINFALL...
BUT WITH PERSISTANT RAINFALL OVER THE SAME GENERAL AREA FOR THE NEXT
FEW HOURS SOME LOW AREA FLOODING WILL DEVELOP. A FLASH FLOOD WATCH
REMAINS IN EFFECT FOR MUCH OF NORTHEAST TEXAS.
AT 310 PM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS
SHOWING THE LARGE MASS OF RAIN AND SHOWERS ALONG WITH SCATTERED
THUNDERSTORMS OVER NORTHEAST TEXAS AND SOUTHWEST ARKANSAS NORTHWEST
OF A LINE FROM NEAR MAGNOLIA ARKANSAS TO THE TEXAS/LOUISIANA/ARKANSAS
BORDER NORTHWEST OF SHREVEPORT TO NORTHWEST OF MARSHALL TEXAS TO THE
LONGVIEW AND KILLGORE AREAS TO NORTHWEST OF PALESTINE. THE RAINFALL
EXTENDED NORTHWEST SOME 80 MILES INTO SOUTHEAST OKLAHOMA.

THIS SYSTEM WILL CONTINUE TO AFFECT THE NORTHWEST HALF OF THE AREA
THROUGH TONIGHT WHILE DEVELOPING ACROSS NORTHWEST LOUISIANA THIS
EVENING AND NORTHEAST LO9UISIANA BY EARLY TUESDAY.
Special weather statement, Feb 3, 4:32 PM CST, 3 hours 18 minutes before
NEWSPSSHV
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
430 PM CST MON FEB 03 1986

THE LEADING EDGE OF SHOWERS AND THUNDERSTORMS MOVE INTO NORTHWEST
LOUISIANA....

THE LEADING EDGE OF A LARGE AREA OF SHOWERS AND THUNDERSTORMS WAS TO
THE NORTH AND WEST OF PALESTIN HENDERSON AND  MARSHALL IN NORTHEAST
TXAS TO JUST NORTH OF SHREVEPORT TO BENTON IN NORTHWEST LOUISIAN TO
NEAR EL DORADO AND FORDYCE IN SOUTHWEST ARKANSAS.  MODERATE RAIN WAS
FROM MEAR TEXARKANA SOUTHWEST TO NEAR TYLER TEXAS... MOVEMENT OF ALL
PRECIPITATION WAS TO THE NORTHEAST NEAR 30 MILES AN HOUR.... THE
AREA IS DRIFTING EAST SLOWLY.

RAINFALL OF NEAR AN INCH WAS COMNOND OVER MOST OF THE RAIN AREA TODAY,
WITH ISOLATED REPORTD UP TO NEAR 3 INCHES.  THE GROUND WAS DRY, AND A
LOT OF THE WATER SOAKED IN, BUT ADDITIONAL RAINFALL OVER THE SAME AREA
WILL FILL SMALL STREAMS...  FLASH FLOOD WATCH IS IN EFFECT FOR MOST OF
NORTHEAST TEXAS TONIGHT.

THE RAIN SYYSTEM WILL CONTINUE TO MOVE EAST TONIGHT AND TUESDAY, WITH
MOST OF THE AREA GETTING SOME RAINFALL..

FURTHER STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT.....

Nearby

Flash Flood Warnings in Texas, 1986Every flash flood warning in 1986

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.