Alert archive / Texas / Flash Flood Warnings in 2024

Flash Flood Warning 157, NWS Fort Worth, TX

December 28, 2024Ellis County, Navarro County, Texas

NWS Fort Worth, TX issued this flash flood warning at Dec 28, 2024, 10:00 AM CST for Ellis County, Navarro 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
Dec 28, 2024, 10:00 AM CST (16:00 UTC)
Expired
Dec 28, 2024, 2:00 PM CST
In force
4 hr
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Flood severity
None

Counties Ellis County, TX, Navarro County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 76 km from the middle of the area, began a volume at 16:00 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, 4.0 hours before the alert went out and 273 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 2024-12-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1542 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, Shreveport, LA at 12:00Z on 2024-12-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 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
1542 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
449 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.3

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 28, 7:35 AM CSTSpecial Weather StatementFWDRains40 min
Dec 28, 8:34 AM CSTSpecial Weather StatementFWDLampasas26 min
Dec 28, 8:40 AM CSTSevere Thunderstorm WarningFWDLampasas35 min
Dec 28, 9:21 AM CSTSevere Thunderstorm WarningFWDEllis, Hill, Navarro26 min
Dec 28, 9:30 AM CSTAreal Flood AdvisoryFWDEllis, Henderson, Kaufman, Navarro4 hr
Dec 28, 10:26 AM CSTSpecial Weather StatementFWDHill34 min
Dec 28, 10:28 AM CSTSpecial Weather StatementFWDMcLennan32 min
Dec 28, 11:26 AM CSTSpecial Weather StatementFWDMilam34 min
Dec 28, 11:53 AM CSTSpecial Weather StatementFWDRobertson37 min
Dec 28, 12:23 PM CSTSpecial Weather StatementFWDFreestone37 min

Nearby

Flash Flood Warnings in Texas, 2024Every flash flood warning in 2024

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.