Alert archive / Texas / Flash Flood Warnings in 1990

Flash Flood Warning 19, NWS Fort Worth, TX

March 7, 1990Hopkins County, Red River County, Texas

NWS Fort Worth, TX issued this flash flood warning at Mar 7, 1990, 11:22 PM CST for Hopkins County, Red River County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Mar 7, 1990, 11:22 PM CST (05:22 UTC)
Expired
Mar 8, 1990, 2:30 AM CST
In force
3 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties

Counties Hopkins County, TX, Red River 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, 5.4 hours before the alert went out and 133 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 1990-03-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 201 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 1990-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 469 square meters per square second.19395878Sfc1 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
201 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
598 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
469 m²/s²
0-3 km storm-relative helicity
562 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 080524
FFWFTW
TXC223-387-080830-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
1122 PM CST WED MAR 7 1990
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  230 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST TEXAS
 
   ...HOPKINS COUNTY...RED RIVER COUNTY
 
AT 1120 PM...NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS
WITH HEAVY RAINFALL MOVING OVER RED RIVER AND HOPKINS COUNTIES. THE
SHERIFF'S OFFICE IN RED RIVER COUNTY HAS REPORTED SEVERAL FARM TO
MARKET ROADS UNDER WATER. FLASH FLOODING IS ALSO EXPECTED TO RAPIDLY
DEVELOP IN HOPKINS COUNTY.
 
THUNDERSTORMS ARE LIKELY TO PERSIST OVER THESE COUNTIES FOR AN
ADDITIONAL TWO HOURS OR MORE.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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, Mar 7, 9:09 PM CST, 2 hours 13 minutes before
TXZ031-080400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
907 PM CST WED MAR 7 1990

AT 905 PM CST AN ISOLATED THUNDERSTORM WITH HEAVY RAIN HAD DEVELOPED OVER
EASTERN MCLENNAN COUNTY FROMr BELLMEAD TO NORTH OF MART. NO MOVEMENT DETERMINED
AT THIS TIME.

STAY TUNED TO NOAA WEATHER RADIO FOR ANY FURTHER STATEMENTS.

05

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 8, 1:13 AM CSTFlash Flood WarningFWDFranklin, Titus4 hr
Mar 8, 2:04 AM CSTFlash Flood WarningFWDCamp, Morris4 hr
Mar 8, 2:26 AM CSTFlash Flood WarningFWDHopkins, Red River2 hr
Mar 8, 2:55 AM CSTFlash Flood WarningFWDRains2 hr
Mar 8, 7:31 AM CSTFlash Flood WarningFWDHopkins, Rains, Wood4 hr
Mar 8, 7:31 AM CSTFlash Flood WarningFWDCamp, Franklin, Morris, Titus, Upshur4 hr

Nearby

Flash Flood Warnings in Texas, 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.