Alert archive / Louisiana / Flash Flood Warnings in 1987

Flash Flood Warning 10, NWS Shreveport, LA

November 16, 1987Caldwell Parish, Ouachita Parish, Louisiana

NWS Shreveport, LA issued this flash flood warning at Nov 16, 1987, 4:25 PM CST for Caldwell Parish, Ouachita Parish, Louisiana. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Nov 16, 1987, 4:25 PM CST (22:25 UTC)
Expired
Nov 16, 1987, 8:30 PM CST
In force
4 hr
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Caldwell Parish, LA, Ouachita Parish, LA

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

Jackson, MS (KJAN), launched 12:00Z, 10.4 hours before the alert went out and 193 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, Jackson, MS at 12:00Z on 1987-11-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 166 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, Jackson, MS at 12:00Z on 1987-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 412 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
166 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
707 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
412 m²/s²
0-3 km storm-relative helicity
733 m²/s²
Significant tornado parameter
0.3
Supercell composite
0.7

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
Nov 15, 6:20 PM CSTSevere Thunderstorm WarningSHVBossier, Caddo, De Soto70 min
Nov 15, 6:25 PM CSTTornado WarningSHVBossier, Caddo65 min
Nov 15, 6:25 PM CSTTornado WarningSHVDe Soto65 min
Nov 15, 7:25 PM CSTTornado WarningSHVBossier, Caddo, Webster65 min
Nov 15, 9:15 PM CSTSevere Thunderstorm WarningSHVMorehouse, Ouachita, Richland60 min
Nov 16, 12:20 AM CSTTornado WarningSHVFranklin, Tensas70 min
Nov 16, 12:30 AM CSTFlash Flood WarningSHVBossier, Caddo, De Soto4 hr
Nov 16, 1:45 AM CSTSevere Thunderstorm WarningSHVFranklin, Tensas60 min
Nov 16, 3:20 AM CSTSevere Thunderstorm WarningSHVTensas55 min
Nov 16, 4:15 AM CSTFlash Flood WarningSHVCaldwell, Jackson, Winn2 hr
Nov 16, 5:05 AM CSTSevere Thunderstorm WarningSHVMadison55 min
Nov 16, 9:47 AM CSTSevere Thunderstorm WarningSHVBossier, Webster58 min
Nov 16, 9:47 AM CSTSevere Thunderstorm WarningSHVCaddo58 min
Nov 16, 10:00 AM CSTFlash Flood WarningSHVCaldwell, Franklin, Jackson, Ouachita, Winn4 hr
Nov 16, 10:00 AM CSTFlash Flood WarningSHVDe Soto, Sabine4 hr
Nov 16, 10:00 AM CSTFlash Flood WarningSHVBienville, Bossier, Caddo, Natchitoches, Red River4 hr
Nov 16, 10:00 AM CSTFlash Flood WarningSHVClaiborne, Webster4 hr
Nov 16, 1:10 PM CSTSevere Thunderstorm WarningSHVFranklin, Madison, Tensas58 min
Nov 16, 4:25 PM CSTFlash Flood WarningSHVFranklin, Madison, Richland, Tensas4 hr
Nov 15, 6:25 PM CSTTornado WarningSHVCass, Marion65 min
Nov 15, 7:00 PM CSTTornado WarningSHVBowie45 min
Nov 15, 7:25 PM CSTTornado WarningSHVBowie65 min
Nov 16, 5:05 AM CSTSevere Thunderstorm WarningSHVPanola55 min
Nov 16, 10:00 AM CSTFlash Flood WarningSHVHarrison4 hr

Nearby

Flash Flood Warnings in Louisiana, 1987Every flash flood warning in 1987

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.