Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 52, NWS Fort Worth, TX

March 16, 1998Lampasas County, Texas

NWS Fort Worth, TX issued this flash flood warning at Mar 16, 1998, 4:44 AM CST for Lampasas County, Texas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 16, 1998, 4:44 AM CST (10:44 UTC)
Expired
Mar 16, 1998, 9:00 AM CST
In force
4 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Lampasas County, TX

The radar

The Ft Hood radar (KGRK), 97 km from the middle of the area, began a volume at 10:46 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, 10.7 hours before the alert went out and 203 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 1998-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Fort Worth, TX at 00:00Z on 1998-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 306 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
519 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
306 m²/s²
0-3 km storm-relative helicity
368 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 
TTAA00 KFTW 161045
FFWFTW
TXC035-099-281-161500-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
444 AM CST MON MAR 16 1998
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  900 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL TEXAS
 
   ...BOSQUE COUNTY...CORYELL COUNTY...LAMPASAS COUNTY
 
AT 444 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A LARGE AREA
OF RAIN WITH NUMEROUS EMBEDDED THUNDERSTORMS OVER MOST OF NORTH TEXAS
EAST OF A THROCKMORTON TO SAN SABA LINE AND WEST OF A BONHAM TO
LUFKIN LINE.  THE ENTIRE AREA OF RAIN AND THUNDERSTORMS WAS ONLY
SLOWLY MOVING EAST WHILE THE INDIVIDUAL STORMS WERE MOVING NORTHEAST AT
40 MPH.  RADAR ESTIMATES THAT 1 TO 3 INCHES OF RAIN HAVE FALLEN
OVERNIGHT OVER THE WESTERN PARTS OF BOSQUE AND CORYELL COUNTIES.
FARM TO MARKET ROAD 932 NEAR PURMELA AND FARM TO MARKET ROAD 580 NEAR
THE LAMPASAS/CORYELL COUNTY LINE WERE FLOODED. ADDITIONAL FLOODING IS
LIKELY AS MODERATE TO HEAVY RAIN IS EXPECTED THROUGH SUNRISE.
 
 
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.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 9:55 PM CSTSevere Thunderstorm WarningFWDTarrant65 min
Mar 15, 10:00 PM CSTSevere Thunderstorm WarningFWDDenton30 min
Mar 16, 2:08 AM CSTFlash Flood WarningFWDHood, Johnson, Palo Pinto, Parker, Tarrant, Wise6 hr
Mar 16, 2:08 AM CSTFlash Flood WarningFWDComanche, Eastland, Erath, Hamilton6 hr
Mar 16, 2:08 AM CSTFlash Flood WarningFWDSomervell6 hr
Mar 16, 2:08 AM CSTFlash Flood WarningFWDStephens6 hr
Mar 16, 2:08 AM CSTFlash Flood WarningFWDDenton6 hr
Mar 16, 4:44 AM CSTFlash Flood WarningFWDBosque, Coryell4 hr
Mar 16, 9:03 AM CSTFlash Flood WarningFWDBosque, Coryell3 hr
Mar 16, 9:03 AM CSTFlash Flood WarningFWDLampasas3 hr

Nearby

Flash Flood Warnings in Texas, 1998Every 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.