Alert archive / Texas / Flash Flood Warnings in 1990

Flash Flood Warning 16, NWS Fort Worth, TX

March 6, 1990Jack County, Young County, Texas

NWS Fort Worth, TX issued this flash flood warning at Mar 6, 1990, 8:47 PM CST for Jack County, Young County, Texas. It was in force for 118 min.

The area

The counties it named.

The facts

Issued
Mar 6, 1990, 8:47 PM CST (02:47 UTC)
Expired
Mar 6, 1990, 10:45 PM CST
In force
118 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

Counties Jack County, TX, Young 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

Stephenville/Cla, TX (KSEP), launched 00:00Z, 2.8 hours before the alert went out and 114 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, Stephenville/Cla, TX at 00:00Z on 1990-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 264 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, Stephenville/Cla, TX at 00:00Z on 1990-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 273 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
264 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
607 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
273 m²/s²
0-3 km storm-relative helicity
303 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSPS 070248
FFWSPS
TXC237-503-070445-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WICHITA FALLS TX
847 PM CST TUE MAR 6 1990
 
THE NATIONAL WEATHER SERVICE IN WICHITA FALLS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1045 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...JACK COUNTY...YOUNG COUNTY
 
AT 840 PM THE WICHITA FALLS RADAR SHOWED VERY STRONG THUNDERSTORMS
PRODUCING EXTREMELY HEAVY RAINS CONTINUING OVER JACK AND YOUNG
COUNTIES. THESE COUNTIES HAVE BEEN RECEIVING VERY HEAVY RAINS SINCE
JUST A LITTLE AFTER 5 PM THIS AFTERNOON. THUNDERSTORMS ARE CONTINUING
IN THESE COUNTIES AND ARE TRACKING ESSENTIALLY ACROSS THE SAME AREAS
THAT HAVE RECEIVED RAINS OF TWO TO THREE INCHES DURING THE LATE
AFTERNOON AND EARLY EVENING HOURS. RESIDENTS IN THESE COUNTIES SHOULD
BE ALERT TO THE POSSIBILITY OF FLOODING IN THEIR AREAS AND TAKE
NECESSARY PRECAUTIONS IMMEDIATELY.
 
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 6, 5:49 PM CST, 2 hours 58 minutes before
TXZ021-025-026-060100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
545 PM CST TUE MAR 6 1990

...SCATTERED THUNDERSTORMS...SOME STRONG...MOVING OVER THE WEST AND
NORTHWEST PARTS OF NORTH CENTRAL TEXAS...

AT 540 PM...WEATHER SERVICE RADARS INDICATED DEVELOPING SCATTERED
THUNDERSTORMS...SOME STRONG...EXTENDING FROM NEAR SAN ANGELO NORTH
TO NEAR ALBANY...AND NORTHEASTWARD TO GRAHAM AND JACKSBORO. SCATTERED
RAINSHOWERS WERE OVER THE DALLAS/FORT WORTH METROPLEX.  MOVEMENT OF
THE PRECIPITATION WAS NORTHEAST AT 25 MILES AN HOUR.

THE STRONGER THUNDERTORMS ARE CAPABLE OF PRODUCING HAIL...HEAVY
RAINS...STRONG GUSTY WINDS AND DEADLY LIGHTNING.

STAY TUNED TO THIS STATION FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Mar 6, 8:25 PM CST, 22 minutes before
TXZ021-025-026-060400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
825 PM CST TUE MAR 6 1990

AT 820 PM...SCATTERED THUNDERSTORMS...SOME STRONG...CONTINUE TO DEVELOP
FROM SOUTH OF ABILENE TO GRAHAM TO NEAR MONTAGUE. MOVEMENT WAS NORTHEAST
AT 30 MILES AN HOUR.

THE STRONGER THUNDERTORMS ARE CAPABLE OF PRODUCING HAIL...HEAVY
RAINS...STRONG GUSTY WINDS AND DEADLY LIGHTNING.

STAY TUNED TO THIS STATION FOR LATER STATEMENTS OR POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 6:00 PM CSTSevere Thunderstorm WarningFWDShackelford60 min
Mar 6, 6:05 PM CSTSevere Thunderstorm WarningFWDYoung50 min
Mar 6, 6:11 PM CSTSevere Thunderstorm WarningFWDStephens49 min
Mar 6, 7:53 PM CSTSevere Thunderstorm WarningFWDYoung67 min
Mar 6, 8:06 PM CSTSevere Thunderstorm WarningFWDJack69 min
Mar 7, 2:00 AM CSTFlash Flood WarningFWDParker4 hr
Mar 7, 4:27 AM CSTTornado WarningFWDHamilton48 min
Mar 7, 6:10 AM CSTFlash Flood WarningFWDBosque, Hill, McLennan2 hr
Mar 7, 8:47 AM CSTSevere Thunderstorm WarningFWDCoryell58 min
Mar 7, 12:21 PM CSTSevere Thunderstorm WarningFWDMcLennan69 min
Mar 7, 12:53 PM CSTSevere Thunderstorm WarningFWDBosque, Hill67 min
Mar 7, 3:32 PM CSTSevere Thunderstorm WarningFWDRains, Wood43 min
Mar 7, 3:50 PM CSTSevere Thunderstorm WarningFWDFranklin, Hopkins40 min
Mar 7, 4:24 PM CSTSevere Thunderstorm WarningFWDTitus56 min

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.