Alert archive / Louisiana / Flash Flood Warnings in 1986

Flash Flood Warning 35, NWS Shreveport, LA

November 25, 1986Bossier Parish, Louisiana

NWS Shreveport, LA issued this flash flood warning at Nov 25, 1986, 5:35 AM CST for Bossier Parish, Louisiana. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Nov 25, 1986, 5:35 AM CST (11:35 UTC)
Expired
Nov 25, 1986, 8:30 AM CST
In force
3 hr
Issued by
NWS Shreveport, LA
Area
Whole counties

County Bossier 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

Lake Charles Mun, LA (KLCH), launched 00:00Z, 11.6 hours before the alert went out and 287 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, Lake Charles Mun, LA at 00:00Z on 1986-11-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 00:00Z on 1986-11-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 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
30 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
186 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 Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 25, 5:35 AM CSTFlash Flood WarningSHVCaddo, De Soto3 hr

Nearby

Flash Flood Warnings in Louisiana, 1986Every flash flood warning in 1986

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.