Alert archive / Texas / Flash Flood Warnings in 1989

Flash Flood Warning 29, NWS Lake Charles, LA

June 14, 1989Angelina County, Nacogdoches County, Texas

NWS Lake Charles, LA issued this flash flood warning at Jun 14, 1989, 12:45 AM CDT for Angelina County, Nacogdoches County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 14, 1989, 12:45 AM CDT (05:45 UTC)
Expired
Jun 14, 1989, 4:00 AM CDT
In force
3 hr
Issued by
NWS Lake Charles, LA
Area
Whole counties

Counties Angelina County, TX, Nacogdoches County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 00:00Z, 5.8 hours before the alert went out and 102 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, Longview/Gregg, TX at 00:00Z on 1989-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1988 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, Longview/Gregg, TX at 00:00Z on 1989-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
1988 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1300 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.2
Supercell composite
3.4

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 Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 13, 11:46 PM CDTSevere Thunderstorm WarningLCHAngelina59 min
Jun 14, 1:35 AM CDTSevere Thunderstorm WarningLCHJasper, Newton, Sabine, San Augustine55 min
Jun 14, 2:00 AM CDTSevere Thunderstorm WarningLCHHardin30 min

Nearby

Flash Flood Warnings in Texas, 1989Every flash flood warning in 1989

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.