Alert archive / Louisiana / Flash Flood Warnings in 1991

Flash Flood Warning 113, NWS Shreveport, LA

May 3, 1991Jackson Parish, Ouachita Parish, Louisiana

NWS Shreveport, LA issued this flash flood warning at May 3, 1991, 8:59 AM CDT for Jackson Parish, Ouachita Parish, Louisiana. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
May 3, 1991, 8:59 AM CDT (13:59 UTC)
Expired
May 3, 1991, 12:00 PM CDT
In force
3 hr
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Jackson Parish, LA, Ouachita Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 2.0 hours before the alert went out and 214 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 1991-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 378 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 1991-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.1939Sfc1 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
378 J/kg
Mixed-layer CIN
-130 J/kg
Mixed-layer LCL
767 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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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 3, 4:57 AM CDTSevere Thunderstorm WarningSHVBossier, Caddo93 min
May 3, 5:45 AM CDTSevere Thunderstorm WarningSHVDe Soto60 min
May 3, 6:28 AM CDTSevere Thunderstorm WarningSHVBossier, Webster62 min
May 3, 6:28 AM CDTSevere Thunderstorm WarningSHVCaddo, De Soto62 min
May 3, 6:40 AM CDTFlash Flood WarningSHVCaddo3 hr
May 3, 6:40 AM CDTFlash Flood WarningSHVBossier, Webster3 hr
May 3, 7:28 AM CDTSevere Thunderstorm WarningSHVBossier, Caddo, De Soto, Red River62 min
May 3, 7:28 AM CDTSevere Thunderstorm WarningSHVClaiborne, Webster62 min
May 3, 8:08 AM CDTFlash Flood WarningSHVBienville, Claiborne, Lincoln, Union3 hr
May 3, 8:08 AM CDTSevere Thunderstorm WarningSHVBienville, Claiborne, Lincoln, Union3 hr
May 3, 8:59 AM CDTFlash Flood WarningSHVMorehouse, Richland, West Carroll3 hr
May 3, 8:59 AM CDTSevere Thunderstorm WarningSHVJackson, Ouachita3 hr
May 3, 8:59 AM CDTSevere Thunderstorm WarningSHVMorehouse, Richland, West Carroll3 hr
May 3, 9:41 AM CDTFlash Flood WarningSHVBossier, Webster4 hr
May 3, 9:41 AM CDTFlash Flood WarningSHVCaddo, De Soto4 hr
May 3, 12:00 PM CDTFlash Flood WarningSHVJackson, Morehouse, Ouachita, Richland2 hr
May 3, 12:00 PM CDTFlash Flood WarningSHVWest Carroll2 hr
May 3, 3:25 AM CDTSevere Thunderstorm WarningSHVBowie, Cass65 min
May 3, 4:23 AM CDTSevere Thunderstorm WarningSHVMarion67 min
May 3, 4:39 AM CDTSevere Thunderstorm WarningSHVGregg66 min
May 3, 5:03 AM CDTSevere Thunderstorm WarningSHVRusk42 min
May 3, 9:41 AM CDTFlash Flood WarningSHVGregg, Harrison, Rusk4 hr
May 3, 5:00 PM CDTFlash Flood WarningSHVGregg, Harrison, Rusk4 hr
May 3, 5:00 PM CDTFlash Flood WarningSHVBowie, Cass4 hr
May 3, 5:00 PM CDTFlash Flood WarningSHVPanola, Shelby4 hr
May 3, 5:00 PM CDTFlash Flood WarningSHVMarion4 hr
May 3, 4:23 AM CDTSevere Thunderstorm WarningSHVMiller67 min

Nearby

Flash Flood Warnings in Louisiana, 1991Every flash flood warning in 1991

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.