Alert archive / Louisiana / Flash Flood Warnings in 2000

Flash Flood Warning 9, NWS Shreveport, LA

May 27, 2000Bossier Parish, Caddo Parish, Louisiana

NWS Shreveport, LA issued this flash flood warning at May 27, 2000, 9:45 PM CDT for Bossier Parish, Caddo Parish, Louisiana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 27, 2000, 9:45 PM CDT (02:45 UTC)
Expired
May 28, 2000, 12:45 AM CDT
In force
3 hr
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Bossier Parish, LA, Caddo Parish, LA

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 2.8 hours before the alert went out and 17 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, Shreveport, LA at 00:00Z on 2000-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2595 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, Shreveport, LA at 00:00Z on 2000-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 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
2595 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1336 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.4
Supercell composite
4.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KSHV 280247
FFWSHV
LAC015-017-280545-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
945 PM CDT SAT MAY 27 2000

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BOSSIER PARISH IN LOUISIANA
  CADDO PARISH IN LOUISIANA

* UNTIL 1245 AM CDT

* AT 945 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER SHREVEPORT AND BOSSIER CITY...LIKELY PRODUCING FLOODING.
  EVEN AFTER RAIN TAPERS OFF...RUNOFF WILL CONTINUE TO POSE 
  FLOODING PROBLEMS INTO THE EARLY MORNING HOURS.

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD
WARNING FOR...
  BOSSIER PARISH IN LOUISIANA
  CADDO PARISH IN LOUISIANA
UNTIL 1245 AM CDT.

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 8:41 PM CDTSevere Thunderstorm WarningSHVLincoln34 min
May 27, 9:09 PM CDTSevere Thunderstorm WarningSHVBossier, Caddo51 min
May 27, 9:39 PM CDTSevere Thunderstorm WarningSHVDe Soto66 min
May 27, 9:50 PM CDTSevere Thunderstorm WarningSHVClaiborne, Webster40 min

Nearby

Flash Flood Warnings in Louisiana, 2000Every flash flood warning in 2000

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.