Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 128, NWS Fort Worth, TX

December 10, 19984 counties in Texas

NWS Fort Worth, TX issued this flash flood warning at Dec 10, 1998, 1:48 PM CST for 4 counties in 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
Dec 10, 1998, 1:48 PM CST (19:48 UTC)
Expired
Dec 10, 1998, 6:00 PM CST
In force
4 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Ellis County, TX, Henderson County, TX, Kaufman County, TX, Navarro County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 94 km from the middle of the area, began a volume at 19:48 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

Shreveport, LA (KSHV), launched 12:00Z, 7.8 hours before the alert went out and 245 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, Shreveport, LA at 12:00Z on 1998-12-10Temperature 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, Shreveport, LA at 12:00Z on 1998-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
503 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 9:59 AM CSTFlash Flood WarningFWDBosque, Hamilton4 hr
Dec 10, 9:59 AM CSTFlash Flood WarningFWDEllis, Henderson, Hill, Navarro4 hr
Dec 10, 9:59 AM CSTFlash Flood WarningFWDKaufman, Rains, Van Zandt4 hr
Dec 10, 9:59 AM CSTFlash Flood WarningFWDJohnson4 hr
Dec 10, 1:48 PM CSTFlash Flood WarningFWDHunt, Rains, Van Zandt4 hr
Dec 10, 1:48 PM CSTFlash Flood WarningFWDBosque, Hill, Johnson4 hr
Dec 10, 1:48 PM CSTFlash Flood WarningFWDCollin, Fannin4 hr
Dec 10, 5:57 PM CSTFlash Flood WarningFWDEllis, Hill, Johnson4 hr
Dec 10, 5:57 PM CSTFlash Flood WarningFWDHenderson, Hunt, Kaufman, Van Zandt4 hr
Dec 10, 5:57 PM CSTFlash Flood WarningFWDRains4 hr
Dec 10, 5:57 PM CSTFlash Flood WarningFWDNavarro4 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.