Alert archive / Texas / Flash Flood Warnings in 1989

Flash Flood Warning 23, NWS Shreveport, LA

May 17, 1989Bowie County, Cass County, Marion County, Texas

NWS Shreveport, LA issued this flash flood warning at May 17, 1989, 2:09 PM CDT for Bowie County, Cass County, Marion County, Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 17, 1989, 2:09 PM CDT (19:09 UTC)
Expired
May 17, 1989, 6:15 PM CDT
In force
4 hr
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Bowie County, TX, Cass County, TX, Marion 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 12:00Z, 7.2 hours before the alert went out and 87 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 12:00Z on 1989-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 207 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 12:00Z on 1989-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 272 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
207 J/kg
Mixed-layer CIN
-153 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
272 m²/s²
0-3 km storm-relative helicity
217 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

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 Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 17, 1:53 PM CDTSevere Thunderstorm WarningSHVDe Soto67 min
May 17, 1:53 PM CDTSevere Thunderstorm WarningSHVCaddo67 min
May 17, 2:57 PM CDTSevere Thunderstorm WarningSHVDe Soto, Sabine63 min
May 17, 4:04 PM CDTSevere Thunderstorm WarningSHVNatchitoches, Sabine56 min
May 17, 4:32 PM CDTSevere Thunderstorm WarningSHVWinn88 min
May 17, 4:51 PM CDTTornado WarningSHVNatchitoches, Winn69 min
May 17, 5:35 PM CDTFlash Flood WarningSHVDe Soto, Natchitoches, Red River, Sabine4 hr
May 17, 6:43 PM CDTSevere Thunderstorm WarningSHVCaldwell, Winn92 min
May 16, 10:54 PM CDTFlash Flood WarningSHVGregg, Rusk66 min
May 16, 10:54 PM CDTSevere Thunderstorm WarningSHVGregg, Rusk66 min
May 16, 11:38 PM CDTFlash Flood WarningSHVHarrison, Marion67 min
May 16, 11:38 PM CDTFlash Flood WarningSHVCass67 min
May 16, 11:38 PM CDTSevere Thunderstorm WarningSHVHarrison, Marion67 min
May 16, 11:38 PM CDTSevere Thunderstorm WarningSHVCass67 min
May 17, 9:27 AM CDTTornado WarningSHVGregg, Rusk78 min
May 17, 2:36 PM CDTSevere Thunderstorm WarningSHVMarion21 min
May 17, 2:36 PM CDTSevere Thunderstorm WarningSHVBowie64 min
May 17, 2:36 PM CDTSevere Thunderstorm WarningSHVCass69 min
May 17, 2:46 PM CDTTornado WarningSHVCass59 min
May 17, 4:32 PM CDTSevere Thunderstorm WarningSHVPanola, Rusk88 min
May 17, 5:35 PM CDTFlash Flood WarningSHVGregg, Harrison, Rusk4 hr
May 17, 5:35 PM CDTTornado WarningSHVPanola, Shelby85 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.