Alert archive / Mississippi / Flash Flood Warnings in 1992

Flash Flood Warning 1, NWS Jackson, MS

June 12, 1992Attala County, Holmes County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 12, 1992, 5:29 PM CDT for Attala County, Holmes County, Mississippi. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 12, 1992, 5:29 PM CDT (22:29 UTC)
Expired
Jun 12, 1992, 8:30 PM CDT
In force
3 hr
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Attala County, MS, Holmes County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.5 hours before the alert went out and 90 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 1992-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1065 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 1992-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
1065 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
580 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
26 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 122228
FFWJAN
MSC007-051-130130-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
529 PM CDT FRI JUN 12 1992
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  830 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSISSIPPI
 
   ...ATTALA COUNTY...HOLMES COUNTY
 
AT 525 PM JACKSON RADAR CONTINUED TO INDICATE A CONCENTRATION OF
SHOWERS AND THUNDERSTORMS CONTAINING VERY HEAVY RAINFALL ACROSS
NORTH-CENTRAL MISSISSIPPI. THIS AREA RECEIVED HEAVY RAINFALL EARLIER
TODAY AND IS LIKELY TO EXPERIENCE ADDITIONAL RAINFALL DURING THE NEXT
SEVERAL HOURS. CREEKS AND STREAMS ARE ALREADY AT BANKFULL AND A FEW
ARE LIKELYG TO OVERSPILL THEIR BANKS.
 
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.
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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, Jun 12, 12:38 PM CDT, 4 hours 51 minutes before
MSZALL-122100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1237 PM CDT FRI JUN 12 1992

...SLOW-MOVING THUNDERSTORMS MAY PRODUCE LOCALIZED VERY HEAVY RAINFALL
   AMOUNTS...

THE THUNDERSTORMS THAT HAVE DEVELOPED OVER MISSISSIPPI TODAY HAVE BEEN
MOVING VERY SLOWLY...OFTENTIMES LESS THAN 10 MPH. THIS MEANS THAT IF
A THUNDERSTORM MOVES OVER YOUR AREA...YOU COULD EASILY RECEIVE SOME
RATHER LARGE RAINFALL AMOUNTS OF UP TO AROUND 2 IN^CHES IN JUST A FEW
HOURS.

SINCE THE GROUNDS IN MANY AREAS MAY BECOME SATURATED WITH RAIN...YOU
SHOULD NOT BE SURPRISED IF SOME OF THE STRONGER STORMS ARE CAPABLE
OF PRODUCING LOCALIZED FLOODING OF STREETS AND LOW-LYING AREAS.
Special weather statement, Jun 12, 2:46 PM CDT, 2 hours 43 minutes before
MSZALL-LAZ002-003-004-006-009-010-013-ARZ014>016-
ALZ004-008-013-016-122045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
245 PM CDT FRI JUN 12 1992

THUNDERSTORMS RUMBLING ACROSS THE MAGNOLIA STATE...

AT 228 PM CDT JACKSON WEATHER SERVICE RADAR INDICATED THUNDERSTORMS...
SOME WITH VERY HEAVY RAINFALL WERE SCATTERED TO NUMEROUS ACROSS
NORTH-CENTRAL MISSISSIPPI WHILE OTHER THUNDERSTORMS WERE DEVELOPING
ACROSS CENTRAL MISSISSIPPI IN THE VICINITY OF JACKSON.  THE HEAVIEST
RAINFALL WAS OCCURRING IN CHOCTAW AND ATTALA COUNTIES BETWEEN
KOSCIUSKO AND EUPORA.  THE RAINFALL EXTENDED FROM NORTHWEST ALABAMA...
ACROSS THE GREENWOOD AREA TO NORTH OF GREENVILLE AND INTO SOUTHEAST
ARKANSAS.

MOVEMENT WAS SLOWLY TO THE NORTHEAST.

CONDITIONS ARE FAVORABLE FOR THUNDERSTORMS TO PRODUCE RAINFALL AMOUNTS
LOCALLY IN EXCESS OF 2 INCHES IN A VERY SHORT TIME.  THESE
THUNDERSTORMS MAY ALSO PRODUCE GUSTY WINDS 30 TO 40 MILES AN HOUR AND
SOME HAIL.  TEMPORARY URBAN STREET FLOODING IS POSSIBLE IN AREAS OF
HEAVIEST RAINFALL.
Special weather statement, Jun 12, 3:39 PM CDT, 1 hour 50 minutes before
MSZALL-LAZ002>004-006-009-010-013-ARZ014>016-
ALZ004-008-013-016-122145-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
338 PM CDT FRI JUN 12 1992

THUNDERSTORMS ARE DEVELOPING ACROSS THE WESTERN COUNTIES WHILE OTHERS
CONTINUE IN THE VICINITY OF GREENWOOD...

AT 328 PM CDT JACKSON RADAR INDICATED SCATTERED TO NUMEROUS
THUNDERSTORMS...SOME WITH VERY HEAVY RAINFALL...CONTINUED ACROSS
NORTH-CENTRAL MISSISSIPPI FROM 10 MILES WEST OF GREENVILLE TO GREENWOOTO MACON AND INTO WEST ALABAMA. OTHER THUNDERSTORMS WERE DEVELOPING IN
THE DELTA 10 MILES NORTH OF VICKSBURG TO THE VICINITY OF GREENVILLE.

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAINFALL
WERE LOCATED ACROSS CENTRAL MISSISSIPPI FROM THE JACKSON METROPOLITAN
AREA EASTWARD ACROSS MERIDIAN AND WEST ALABAMA.

MOVEMENT WAS TO THE EAST AT 10 MILES AN HOUR.

THESE THUNDERSTORMS ARE CAPABLE OF DUMPING A LARGE AMOUNT OF
RAIN IN A VERY SHORT AMOUNT OF TIME. CONDITIONS ARE FAVORABLE FOR
ADDITIONAL DEVELOPMENT THROUGHOUT THE AFTERNOON AND EARLY EVENING
HOURS.
Special weather statement, Jun 12, 3:42 PM CDT, 1 hour 47 minutes before
MSZALL-LAZ002>004-006-009-010-013-ARZ014>016-
ALZ004-008-013-016-122145-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
338 PM CDT FRI JUN 12 1992

THUNDERSTORMS ARE DEVELOPING ACROSS THE WESTERN COUNTIES WHILE OTHERS
CONTINUE IN THE VICINITY OF GREENWOOD...

AT 328 PM CDT JACKSON RADAR INDICATED SCATTERED TO NUMEROUS
THUNDERSTORMS...SOME WITH VERY HEAVY RAINFALL...CONTINUED ACROSS
NORTH-CENTRAL MISSISSIPPI FROM 10 MILES WEST OF GREENVILLE TO GREENWOO
TO MACON AND INTO WEST ALABAMA. OTHER THUNDERSTORMS WERE DEVELOPING IN
THE DELTA 10 MILES NORTH OF VICKSBURG TO THE VICINITY OF GREENVILLE.

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAINFALL
WERE LOCATED ACROSS CENTRAL MISSISSIPPI FROM THE JACKSON METROPOLITAN
AREA EASTWARD ACROSS MERIDIAN AND WEST ALABAMA.

MOVEMENT WAS TO THE EAST AT 10 MILES AN HOUR.

THESE THUNDERSTORMS ARE CAPABLE OF DUMPING A LARGE AMOUNT OF
RAIN IN A VERY SHORT AMOUNT OF TIME. CONDITIONS ARE FAVORABLE FOR
ADDITIONAL DEVELOPMENT THROUGHOUT THE AFTERNOON AND EARLY EVENING
HOURS.
Special weather statement, Jun 12, 3:44 PM CDT, 1 hour 45 minutes before
MSZALL-LAZ002>004-006-009-010-013-ARZ014>016-
ALZ004-008-013-016-122145-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
338 PM CDT FRI JUN 12 1992

THUNDERSTORMS ARE DEVELOPING ACROSS THE WESTERN COUNTIES WHILE OTHERS
CONTINUE IN THE VICINITY OF GREENWOOD...

AT 328 PM CDT JACKSON RADAR INDICATED SCATTERED TO NUMEROUS
THUNDERSTORMS...SOME WITH VERY HEAVY RAINFALL...CONTINUED ACROSS
NORTH-CENTRAL MISSISSIPPI FROM 10 MILES WEST OF GREENVILLE TO GREENWOO
TO MACON AND INTO WEST ALABAMA. OTHER THUNDERSTORMS WERE DEVELOPING IN
THE DELTA 10 MILES NORTH OF VICKSBURG TO THE VICINITY OF GREENVILLE.

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAINFALL
WERE LOCATED ACROSS CENTRAL MISSISSIPPI FROM THE JACKSON METROPOLITAN
AREA EASTWARD ACROSS MERIDIAN AND WEST ALABAMA.

MOVEMENT WAS TO THE EAST AT 10 MILES AN HOUR.

THESE THUNDERSTORMS ARE CAPABLE OF DUMPING A LARGE AMOUNT OF
RAIN IN A VERY SHORT AMOUNT OF TIME. CONDITIONS ARE FAVORABLE FOR
ADDITIONAL DEVELOPMENT THROUGHOUT THE AFTERNOON AND EARLY EVENING
HOURS.
Special weather statement, Jun 12, 4:36 PM CDT, 53 minutes before
MSZALL-LAZ002>004-006-009-010-013-ARZ014>016-
ALZ004-008-013-016-122245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
436 PM CDT FRI JUN 12 1992

THUNDERSTORMS CONTINUE ACROSS NORTH-CENTRAL MISSISSIPPI...

AT 425 PM CDT JACKSON RADAR INDICATED A NEARLY SOLID AREA OF SHOWERS
AND THUNDERSTORMS...SOME WITH VERY HEAVY RAINFALL...THAT EXTENDED FROM
EXTREME SOUTHEAST ARKANSAS TO SOUTH OF GREENVILLE...SOUTH OF GREENWOOD
AND EAST TO THE ALABAMA LINE NEAR MERIDIAN.  THE THUNDERSTORMS
PRODUCING THE HEAVIEST RAINFALL WERE LOCATED NEAR ITTA BENA...10 MILES
EAST OF KOSCIUSKO...AND 10 MILES SOUTH OF HOLLY BLUFF.

MOVEMENT WAS EAST AT 10 MILES AN HOUR.

MOTORISTS ARE URGED TO EXERCISE CAUTION IN YOUR DRIVE HOME FROM WORK
THIS EVENING IN THE AREAS OF RAINFALL AS ROADS WILL BE SLIPPERY AND
SOME PONDING OF WATER OR LOCALIZED URBAN FLOODING MAY OCCUR.

Nearby

Flash Flood Warnings in Mississippi, 1992Every flash flood warning in 1992

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.