Alert archive / Mississippi / Flash Flood Warnings in 1997

Flash Flood Warning 7, NWS Jackson, MS

April 27, 1997Jefferson Davis County, Marion County, Mississippi

NWS Jackson, MS issued this flash flood warning at Apr 27, 1997, 11:42 AM CDT for Jefferson Davis County, Marion County, Mississippi. 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
Apr 27, 1997, 11:42 AM CDT (16:42 UTC)
Expired
Apr 27, 1997, 2:45 PM CDT
In force
3 hr
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Jefferson Davis County, MS, Marion County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 4.7 hours before the alert went out and 128 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, Slidell Radar S, LA at 12:00Z on 1997-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 172 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, Slidell Radar S, LA at 12:00Z on 1997-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 462 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
172 J/kg
Mixed-layer CIN
-153 J/kg
Mixed-layer LCL
624 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
462 m²/s²
0-3 km storm-relative helicity
568 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 271643
FFWJAN
MSC065-091-271945-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1142 AM CDT SUN APR 27 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  245 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL MISSISSIPPI
 
   ...JEFFERSON DAVIS COUNTY...MARION COUNTY
 
AT 1135 AM REPORTS OF FLOODING HAVE BEEN RECIEVED ACROSS THESE COUNTIES.
WATER COVERED A 3/4 MILE STRETCH OF RIVER BEND ROAD...BETWEEN GOSS AND
THE PEARL RIVER...IN MARION COUNTY. ALSO...WATER WAS FLOWING ACROSS
HIGHWAY 13...7 MILES SOUTH OF PRENTISS IN JEFFERSON DAVIS COUNTY.
DOPPLER RADAR HAS SHOWN RAINFALL AMOUNTS OF 2 INCHES DURING THE PAST 3
HOURS ACROSS MARION AND JEFFERSON DAVIS COUNTIES. MORE THUNDERSTORMS
MOVING NORTHEAST OUT OF LOUISIANA WILL CONTINUE TO PRODUCE VERY HEAVY
RAIN ACROSS THESE COUNTIES THROUGH THIS AFTERNOON.
 
MOST FLASH FLOOD DEATHS OCCUR IN AUTOBMOBILES.  DO NOT ATTEMPT
TO CROSS BRIDGES OR LOW SPOTS IF WATER COVERS THE ROAD.  NEVER
TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
<
 
 
75
&

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 27, 12:21 AM CDTSevere Thunderstorm WarningJANAdams39 min
Apr 27, 1:05 AM CDTSevere Thunderstorm WarningJANRankin40 min
Apr 27, 1:21 AM CDTSevere Thunderstorm WarningJANScott, Smith39 min
Apr 27, 2:00 AM CDTFlash Flood WarningJANAdams3 hr
Apr 27, 2:29 AM CDTSevere Thunderstorm WarningJANSimpson31 min
Apr 27, 2:32 AM CDTSevere Thunderstorm WarningJANCopiah43 min
Apr 27, 3:58 AM CDTSevere Thunderstorm WarningJANWashington47 min
Apr 27, 4:42 AM CDTSevere Thunderstorm WarningJANLawrence33 min
Apr 27, 4:48 AM CDTTornado WarningJANJefferson Davis, Marion42 min
Apr 27, 5:25 AM CDTSevere Thunderstorm WarningJANCovington35 min
Apr 27, 6:01 AM CDTSevere Thunderstorm WarningJANCovington, Jones44 min
Apr 27, 6:03 AM CDTSevere Thunderstorm WarningJANMarion42 min
Apr 27, 6:23 AM CDTTornado WarningJANMarion37 min
Apr 27, 6:44 AM CDTTornado WarningJANLamar46 min
Apr 27, 7:07 AM CDTTornado WarningJANForrest53 min
Apr 27, 7:48 AM CDTSevere Thunderstorm WarningJANJones27 min
Apr 27, 9:07 AM CDTFlash Flood WarningJANHinds2 hr
Apr 27, 12:27 PM CDTSevere Thunderstorm WarningJANJones48 min
Apr 27, 1:00 PM CDTFlash Flood WarningJANLincoln3 hr
Apr 27, 2:56 PM CDTFlash Flood WarningJANLauderdale2 hr
Apr 27, 3:15 PM CDTFlash Flood WarningJANJasper, Newton, Smith105 min
Apr 27, 3:15 PM CDTFlash Flood WarningJANNeshoba105 min

Nearby

Flash Flood Warnings in Mississippi, 1997Every flash flood warning in 1997

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.