Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 2, NWS Fort Worth, TX

February 21, 2003Freestone County, Limestone County, Texas

NWS Fort Worth, TX issued this flash flood warning at Feb 21, 2003, 12:42 PM CST for Freestone County, Limestone 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
Feb 21, 2003, 12:42 PM CST (18:42 UTC)
Expired
Feb 21, 2003, 3:45 PM CST
In force
3 hr
Issued by
NWS Fort Worth, TX
Area
Counties, with a storm outline in the text

Counties Freestone County, TX, Limestone County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 125 km from the middle of the area, began a volume at 18:41 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 12:00Z, 6.7 hours before the alert went out and 149 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 12:00Z on 2003-02-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 12:00Z on 2003-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
422 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
157 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 211848
FFWFTW
TXC161-293-212145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
1242 PM CST FRI FEB 21 2003

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FREESTONE COUNTY IN NORTH CENTRAL TEXAS
  LIMESTONE COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 345 PM CST

* AT 1242 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN FROM GROESBECK TO FAIRFIELD...AND NEAR KOSSE.  LAW            
  ENFORCEMENT AGENCIES IN LIMESTONE COUNTY REPORT THAT COUNTY        
  ROAD 258 IS CLOSED DUE TO A BRIDGE WASHED OUT...COUNTY ROAD 423    
  HAS WATER OVER A BRIDGE...HIGH WATER OF HIGHWAY 84 EAST...AND      
  WATER OVER A BRIDGE ON FARM TO MARKET ROAD 937.  ADDITIONAL HEAVY  
  RAIN IS LIKELY THIS AFTERNOON.


LAT...LON 3162 9688 3125 9659 3162 9585 3198 9612
          3178 9652 3180 9677

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 21, 1:42 PM CSTSevere Thunderstorm WarningFWDBosque48 min
Feb 21, 2:06 PM CSTSevere Thunderstorm WarningFWDHill, Johnson54 min

Nearby

Flash Flood Warnings in Texas, 2003Every flash flood warning in 2003

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.