Alert archive / Mississippi / Flash Flood Warnings in 1996

Flash Flood Warning 11, NWS Jackson, MS

July 13, 1996Marion County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jul 13, 1996, 3:45 PM CDT for Marion County, Mississippi. It was in force for 2 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
Jul 13, 1996, 3:45 PM CDT (20:45 UTC)
Expired
Jul 13, 1996, 5:45 PM CDT
In force
2 hr
Issued by
NWS Jackson, MS
Area
Whole counties

County Marion County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.8 hours before the alert went out and 110 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 1996-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1067 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 1996-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
1067 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1198 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
-7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 132047
FFWJAN
MSC091-132245-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
345 PM CDT SAT JUL 13 1996
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  545 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL MISSISSIPPI
 
   ...NORTHERN MARION COUNTY
 
DOPPLER RADAR IN JACKSON INDICATES THAT NEARLY 3 INCHES OF RAIN HAVE
OCCURRED IN NORTHERN MARION COUNTY NEAR MORGANTOWN DURING THE LAST HOUR.
THUNDERSTORMS CONTINUE TO DEVELOP AND TRACK ACROSS PORTIONS OF NORTHERN
MARION COUNTY AND FLOODING AND PONDING OF WATER IS LIKELY THROUGH 545
PM.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  DO NOT STAY IN AREAS SUBJECT TO FLASH FLOODING WHEN
WATER BEGINS RISING.  MOVE TO HIGHER GROUND.
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What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 13, 9:52 AM CDT, 5 hours 53 minutes before
MSZ001>082-140400-

MISSISSIPPI THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CDT SAT JUL 13 1996

A WEAK FRONTAL BOUNDARY OVER THE LOWER MISSISSIPPI VALLEY WILL
TRIGGER WIDELY SCATTERED TO SCATTERED SHOWERS AND THUNDERSTORMS
ACROSS THE STATE TODAY.  THE STRONGER STROMS WILL CONTAIN LOCALLY
HEAVY RAINFALL AND STRONG GUSTY WINDS.  HOWEVER...SEVERE THUDNERSTORMS
ARE NOT EXPECTED TO DEVELOP AT THIS TIME.

ACTIVATION OF STORM SPOTTE\RS...HAM RADIO OPERATORS...AND EMERGENCY
MANAGEMENT PERSONNEL WILL NOT BE REQUIRED THIS AFTERNOON OR TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 2:40 PM CDTSevere Thunderstorm WarningJANLamar50 min
Jul 13, 3:13 PM CDTSevere Thunderstorm WarningJANJasper, Jones47 min
Jul 13, 3:56 PM CDTSevere Thunderstorm WarningJANCovington, Lamar49 min
Jul 13, 4:58 PM CDTSevere Thunderstorm WarningJANJasper47 min

Nearby

Flash Flood Warnings in Mississippi, 1996Every flash flood warning in 1996

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.