Alert archive / Texas / Flash Flood Warnings in 1999

Flash Flood Warning 30, NWS Fort Worth, TX

April 4, 1999Falls County, Texas

NWS Fort Worth, TX issued this flash flood warning at Apr 4, 1999, 1:41 PM CDT for Falls 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 counties it named.

The facts

Issued
Apr 4, 1999, 1:41 PM CDT (18:41 UTC)
Expired
Apr 4, 1999, 4:45 PM CDT
In force
3 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Falls County, TX

The radar

The Ft Hood radar (KGRK), 73 km from the middle of the area, began a volume at 18:42 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 179 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 1999-04-04Temperature 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, Fort Worth, TX at 12:00Z on 1999-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
2170 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
46 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
Apr 4, 12:46 PM CDTSevere Thunderstorm WarningFWDFalls, Milam44 min
Apr 4, 1:20 PM CDTSevere Thunderstorm WarningFWDMcLennan25 min
Apr 4, 1:29 PM CDTSevere Thunderstorm WarningFWDFalls61 min
Apr 4, 1:37 PM CDTSevere Thunderstorm WarningFWDRobertson38 min
Apr 4, 2:00 PM CDTSevere Thunderstorm WarningFWDLimestone60 min
Apr 4, 2:14 PM CDTFlash Flood WarningFWDLimestone3 hr
Apr 4, 2:59 PM CDTSevere Thunderstorm WarningFWDLimestone61 min
Apr 4, 3:24 PM CDTSevere Thunderstorm WarningFWDFreestone66 min
Apr 4, 3:29 PM CDTSevere Thunderstorm WarningFWDLeon46 min
Apr 4, 3:44 PM CDTSevere Thunderstorm WarningFWDTarrant31 min
Apr 4, 3:54 PM CDTSevere Thunderstorm WarningFWDDelta, Hopkins, Lamar51 min
Apr 4, 4:03 PM CDTSevere Thunderstorm WarningFWDDenton42 min
Apr 4, 4:08 PM CDTSevere Thunderstorm WarningFWDAnderson67 min
Apr 4, 4:26 PM CDTFlash Flood WarningFWDAnderson3 hr
Apr 4, 4:32 PM CDTSevere Thunderstorm WarningFWDHill43 min
Apr 4, 4:37 PM CDTSevere Thunderstorm WarningFWDGrayson38 min
Apr 4, 4:45 PM CDTFlash Flood WarningFWDHill3 hr
Apr 4, 5:12 PM CDTSevere Thunderstorm WarningFWDAnderson63 min

Nearby

Flash Flood Warnings in Texas, 1999Every flash flood warning in 1999

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.