Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 78, NWS Fort Worth, TX

October 6, 1998Anderson County, Texas

NWS Fort Worth, TX issued this flash flood warning at Oct 6, 1998, 2:20 AM CDT for Anderson County, Texas. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Oct 6, 1998, 2:20 AM CDT (07:20 UTC)
Expired: Oct 6, 1998, 7:00 AM CDT
In force: 5 hr
Issued by: NWS Fort Worth, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Anderson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 169 km from the middle of the area, began a volume at 07:22 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, 7.3 hours before the alert went out and 183 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 737 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 223 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFTW 060721
FFWFTW
TXC001-061200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
220 AM CDT TUE OCT 6 1998

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

   * FLASH FLOOD WARNING FOR
     ANDERSON COUNTY IN TEXAS
     INCLUDING PALESTINE

   * UNTIL 700 AM CDT

   * AT 220 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES
     SHOWED THAT 2 TO 3 INCHES OF RAIN HAD FALLEN OVER THE EASTERN
     HALF OF ANDERSON COUNTY SINCE MIDNIGHT. AN ADDITIONAL 2 INCHES 
     IS EXPECTED THROUGH 7 AM. THIS WILL RESULT IN FLOODING OF LOW
     LYING AND FLOOD PRONE AREAS.

   * OTHER LOCATIONS IN THE WARNING INCLUDE FRANKSTON...NECHES
     ...ELKHART AND SLOCUM.

EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

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 HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOOD^ING WHEN WATER BEGINS RISING. DO NOT DRIVE 
YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY.

LAT...LON 3197 9607 3150 9571 3163 9536 3210 9547

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 5, 10:00 PM CDT	Flash Flood Warning	FWD	Kaufman	4 hr
Oct 5, 11:55 PM CDT	Flash Flood Warning	FWD	Freestone, Limestone	4 hr
Oct 6, 1:35 AM CDT	Flash Flood Warning	FWD	Freestone	4 hr
Oct 6, 1:55 AM CDT	Flash Flood Warning	FWD	Kaufman	4 hr

Nearby

Flash Flood Warnings in Texas, 1998 Every flash flood warning in 1998

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.