Alert archive / Mississippi / Flash Flood Warnings in 1996

Flash Flood Warning 7, NWS Jackson, MS

May 28, 1996Attala County, Mississippi

NWS Jackson, MS issued this flash flood warning at May 28, 1996, 12:47 PM CDT for Attala 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
May 28, 1996, 12:47 PM CDT (17:47 UTC)
Expired
May 28, 1996, 3:00 PM CDT
In force
2 hr
Issued by
NWS Jackson, MS
Area
Whole counties

County Attala County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 5.8 hours before the alert went out and 97 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 1996-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3020 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 1996-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 247 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
3020 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
575 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
247 m²/s²
0-3 km storm-relative helicity
266 m²/s²
Significant tornado parameter
3.7
Supercell composite
18.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 281752
FFWJAN
MSC007-282000-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1247 PM CDT TUE MAY 28 1996
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  300 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MISSISSIPPI
 
   ...ATTALA COUNTY
 
AT 1245 PM A BAND OF STRONG THUNDERSTORMS WITH TORRENTIAL RAINFALL
WAS ONCE AGAIN MOVING INTO ATTALA COUNTY FROM THE WEST. RAINFALL
REPORTS OF NEAR 4 INCHES HAVE BEEN RECEIVED IN KOSCIUSKO DURING THE
PAST FEW HOURS. RADAR INDICATES THAT 6 OR MORE INCHES HAS LIKELY
OCCURRED IN THE NORTHWEST PART OF THE COUNTY ALONG HIGHWAY 35.
 
THESE ADDITIONAL THUNDERSTORMS COULD EASILY DUMP ANOTHER 1 TO 3 INCHES
OF RAIN OVER ATTALA COUNTY BY 300 PM. MORE RAIN WILL ONLY AGGRAVATE
ANY STANDING WATER PROBLEMS ALREADY OCCURRING.
 
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  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.

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, May 28, 10:47 AM CDT, 2 hours before
MSZ001>082-110400-

MISSISSIPPI THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1045 AM CDT TUE MAY 28 1996

...MODERATE RISK OF SEVERE THUNDERSTORMS TODAY AND TONIGHT FOR MUCH
   OF MISSISSIPPI...

A MOIST AND VERY UNSTABLE AIRMASS IS IN PLACE ACROSS THE REGION
TODAY.  MORNING UPPER AIR DATA SUGGESTS THAT THE MAIN THREAT
ACROSS THE REGION THIS AFTERNOON AND EVENING WILL BE IN THE FORM OF
SEVERE DOWNBURST WINDS AND HAIL.  HOWEVER...THERE IS THE POTENTIAL
OF TORNADOES WITH SOME OF THE STRONGER STORMS THAT MAY FORM.

THROUGH EARLY AFTERNOON...MOST OF THE STRONGER STORMS ARE EXPECTED ACROSS
THE NORTH-CENTRAL SECTIONS OF THE STATE WHERE WEAK UPPER LEVEL
DISTURBANCES ARE HELPING TO KICK OFF THUNDERSTORM ACTIVITY.  AS SURFACE
TEMPERATURES RISE INTO THE LOWER AND MIDDLE 90S TODAY...SCATTERED
THUNDERSTORMS WILL ALSO DEVELOP ACROSS THE SOUTHERN HALF OF THE STATE.
WITH STRONG INSTABILITY...BY EARLY AFTERNOON SOME OF THE STORMS COULD
REACH THE SEVERE LEVEL FOR AREAS IN CENTRAL AND SOUTHERN MISSISSIPPI.

ALL PERSONS ACROSS THE STATE ARE ADVISED TO FREQUENTLY MONITOR
NOAA WEATHER RADIO OR LOCAL NEWS MEDIA FOR FURTHER STATEMENTS/WATCHES
AND WARNINGS THAT MAY BE ISSUED.

HAM RADIjO OPERATORS/CIVIL DEFENSE PERSONEL WILL LIKELY HAVE TO BE
ACTIVATED THIS AFTERNOON AND EVENING IN SUPPORT OF SEVERE WEATHER
OPERATIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 7:04 AM CDTSevere Thunderstorm WarningJANHumphreys41 min
May 28, 7:30 AM CDTSevere Thunderstorm WarningJANHolmes, Leflore30 min
May 28, 9:15 AM CDTSevere Thunderstorm WarningJANWinston45 min
May 28, 9:36 AM CDTSevere Thunderstorm WarningJANLeflore, Sunflower39 min
May 28, 9:42 AM CDTTornado WarningJANKemper48 min
May 28, 10:18 AM CDTSevere Thunderstorm WarningJANAttala27 min
May 28, 12:05 PM CDTSevere Thunderstorm WarningJANLauderdale40 min
May 28, 1:16 PM CDTSevere Thunderstorm WarningJANClarke29 min
May 28, 1:39 PM CDTSevere Thunderstorm WarningJANHolmes36 min
May 28, 1:45 PM CDTSevere Thunderstorm WarningJANYazoo45 min
May 28, 2:02 PM CDTSevere Thunderstorm WarningJANSharkey28 min
May 28, 2:28 PM CDTSevere Thunderstorm WarningJANYazoo47 min
May 28, 3:24 PM CDTSevere Thunderstorm WarningJANWarren51 min
May 28, 4:15 PM CDTSevere Thunderstorm WarningJANWarren30 min
May 28, 4:45 PM CDTSevere Thunderstorm WarningJANWarren30 min
May 28, 5:07 PM CDTSevere Thunderstorm WarningJANHinds53 min
May 28, 5:41 PM CDTSevere Thunderstorm WarningJANWarren34 min
May 28, 5:47 PM CDTSevere Thunderstorm WarningJANClarke28 min
May 28, 5:51 PM CDTSevere Thunderstorm WarningJANCopiah54 min
May 28, 5:55 PM CDTSevere Thunderstorm WarningJANClaiborne50 min
May 28, 6:32 PM CDTSevere Thunderstorm WarningJANCopiah43 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.