Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 3, NWS Fort Worth, TX

January 31, 2002Tarrant County, Texas

NWS Fort Worth, TX issued this flash flood warning at Jan 31, 2002, 5:07 AM CST for Tarrant County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jan 31, 2002, 5:07 AM CST (11:07 UTC)
Expired
Jan 31, 2002, 8:00 AM CST
In force
3 hr
Issued by
NWS Fort Worth, TX
Area
Counties, with a storm outline in the text

County Tarrant County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 27 km from the middle of the area, began a volume at 11:07 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 11.1 hours before the alert went out and 4 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, Fort Worth, TX at 00:00Z on 2002-01-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Fort Worth, TX at 00:00Z on 2002-01-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 284 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
363 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
284 m²/s²
0-3 km storm-relative helicity
379 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 
WGUS54 KFWD 311107
FFWFTW
TXC439-311400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
507 AM CST THU JAN 31 2002

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  TARRANT COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 800 AM CST

* AT 507 AM CST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY 
RAIN OCCURRING FROM BENBROOK...TO GRAPEVINE...AND MOVING NORTHEAST 
AT 35 MPH. 

* OTHER LOCATIONS IN THE WARNING INCLUDE ARLINGTON...BEDFORD...  
BENBROOK...COLLEYVILLE...GRAPEVINE...AND FORT WORTH

SOME OF THE HEAVIEST RAINFALL WILL OCCUR IN THE NORTH RICHLAND 
HILLS...BEDFORD...AND GRAPEVINE AREAS WHERE ANOTHER ONE INCH COULD 
FALL THROUGH 6 AM.

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.

LAT...LON 3297 9750 3260 9753 3258 9708 3295 9706

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 31, 1:32 AM CSTFlash Flood WarningFWDHamilton3 hr
Jan 31, 2:00 AM CSTFlash Flood WarningFWDJohnson, Tarrant3 hr

Nearby

Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002

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; radar from the NEXRAD Level II archive.