Alert archive / Mississippi / Flash Flood Warnings in 2011

Flash Flood Warning 154, NWS Jackson, MS

September 25, 2011Issaquena County, Sharkey County, Washington County, Mississippi; Chicot County, Arkansas; East Carroll Parish, Morehouse Parish, West Carroll Parish, Louisiana

NWS Jackson, MS issued this flash flood warning at Sep 25, 2011, 10:31 PM CDT for Issaquena County, Sharkey County, Washington County, Mississippi; Chicot County, Arkansas; East Carroll Parish, Morehouse Parish, West Carroll Parish, Louisiana. It was in force for 119 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 25, 2011, 10:31 PM CDT (03:31 UTC)
Expired
Sep 26, 2011, 12:30 AM CDT
In force
119 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

Counties Chicot County, AR, East Carroll Parish, LA, Morehouse Parish, LA, West Carroll Parish, LA, Issaquena County, MS, Sharkey County, MS, Washington County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 145 km from the middle of the area, began a volume at 03:34 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Sep 25, 10:35 PM CDTFLASH FLOODGreenville, MSSEVERAL RDS FLOODED ACROSS TOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 3.5 hours before the alert went out and 136 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 00:00Z on 2011-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1074 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 2011-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 169 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
1074 J/kg
Mixed-layer CIN
-175 J/kg
Mixed-layer LCL
1252 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
169 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

786 
WGUS54 KJAN 260331
FFWJAN
ARC017-LAC035-067-123-MSC055-125-151-260530-
/O.NEW.KJAN.FF.W.0154.110926T0331Z-110926T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1031 PM CDT SUN SEP 25 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN EAST CARROLL PARISH IN NORTHEAST LOUISIANA...
  EXTREME NORTHEASTERN MOREHOUSE PARISH IN NORTHEAST LOUISIANA...
  NORTHEASTERN WEST CARROLL PARISH IN NORTHEAST LOUISIANA...
  WASHINGTON COUNTY IN NORTHWEST MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...AVON...LELAND...HOLLANDALE...
  GREENVILLE...
  CHICOT COUNTY IN SOUTHEAST ARKANSAS...
  THIS INCLUDES THE CITIES OF...LAKE VILLAGE...EUDORA...
  NORTHWESTERN ISSAQUENA COUNTY IN WEST CENTRAL MISSISSIPPI...
  NORTHERN SHARKEY COUNTY IN WEST CENTRAL MISSISSIPPI...

* UNTIL 1230 AM CDT

* AT 1032 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN ALONG A LINE EXTENDING FROM
  7 MILES SOUTHWEST OF AVON TO 16 MILES WEST OF EUDORA...OR ALONG A
  LINE EXTENDING FROM 7 MILES SOUTHWEST OF AVON TO WILMOT...MOVING
  SOUTH AT 20 MPH. ESTIMATED RADAR RAINFALL AMOUNTS...ON THE ORDER OF
  TWO TO FOUR INCHES...HAVE OCCURRED IN THE PAST TWO HOURS.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  PANTHER BURN...DELTA CITY...GASSOWAY...GLEN ALLAN...MILLIKIN...
  NITTA YUMA...GRACE AND ANGUILLA

VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT
TWO HOURS WITH AN ADDITIONAL ONE TO THREE INCHES POSSIBLE.

RAINFALL AMOUNTS FROM TWO TO FOUR INCHES IN A HOUR CAN CAUSE FLOODING
IN THE FOLLOWING AREAS NEAR GREENWOOD: RISING SUN SUBDIVISION...400
BLOCK EAST JEFFERSON...100 TO 300 BLOCKS OF LEFLORE AVENUE...RIVER
ROAD FROM LEE STREET THROUGH DEWEY STREET...AND RIVER ROAD FROM
MULBERRY TO CHAMBER STREET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE WATER
COVERS THE ROAD. FIND ALTERNATE ROUTES AND MOVE TO HIGHER GROUND.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE WATER COVERS THE ROADWAY. WHEN ENCOUNTERING FLOODED ROADS
MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

CONTACT LOCAL LAW ENFORCEMENT AND THEY WILL RELAY FLOODING REPORTS TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN JACKSON.

&&

LAT...LON 3301 9147 3301 9146 3333 9146 3343 9124
      3343 9076 3327 9076 3327 9074 3292 9069
      3293 9116 3292 9148

$$

JA
3 follow-up statements
293 
WGUS74 KJAN 260417
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1117 PM CDT SUN SEP 25 2011

ARC017-LAC035-067-123-MSC055-125-151-260530-
/O.CON.KJAN.FF.W.0154.000000T0000Z-110926T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHICOT AR-WASHINGTON MS-SHARKEY MS-ISSAQUENA MS-MOREHOUSE LA-
EAST CARROLL LA-WEST CARROLL LA-
1117 PM CDT SUN SEP 25 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR
NORTHWESTERN ISSAQUENA...NORTHERN SHARKEY...WASHINGTON AND CHICOT
COUNTIES...AND NORTHEASTERN WEST CARROLL...NORTHEASTERN EAST CARROLL
AND EXTREME NORTHEASTERN MOREHOUSE PARISHES...

**THERE HAVE BEEN SEVERAL REPORTS OF STREETS FLOODED WITHIN THE CITY 
OF GREENWOOD WITH MANY POTENTIALLY CLOSED OFF AT THIS TIME BY LOCAL 
AUTHORITIES***

AT 1115 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAIN ALONG A LINE EXTENDING
FROM NITTA YUMA TO GASSOWAY...OR ALONG A LINE EXTENDING FROM 8 MILES
NORTH OF ROLLING FORK TO 9 MILES SOUTH OF EUDORA...MOVING SOUTHEAST
AT 30 MPH. ESTIMATED RADAR RAINFALL AMOUNTS...ON THE ORDER OF TWO TO
FOUR INCHES...HAVE OCCURRED IN THE PAST TWO HOURS.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MILLIKIN AND ANGUILLA

VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT 
HOUR. WITH AN ADDITIONAL ONE INCH POSSIBLE ACROSS SOUTHERN AREAS OF 
THE WARNED AREA.

RAINFALL AMOUNTS FROM TWO TO FOUR INCHES IN AN HOUR CAN CAUSE
FLOODING IN THE FOLLOWING AREAS NEAR GREENWOOD: RISING SUN
SUBDIVISION...400 BLOCK EAST JEFFERSON...100 TO 300 BLOCKS OF LEFLORE
AVENUE...RIVER ROAD FROM LEE STREET THROUGH DEWEY STREET...AND RIVER
ROAD FROM MULBERRY TO CHAMBER STREET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE WATER
COVERS THE ROAD. FIND ALTERNATE ROUTES AND MOVE TO HIGHER GROUND.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE WATER COVERS THE ROADWAY. WHEN ENCOUNTERING FLOODED ROADS
MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

CONTACT LOCAL LAW ENFORCEMENT AND THEY WILL RELAY FLOODING REPORTS TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN JACKSON.

&&

LAT...LON 3301 9147 3301 9146 3333 9146 3343 9124
      3343 9076 3327 9076 3327 9074 3292 9069
      3293 9116 3292 9148

$$
839 
WGUS74 KJAN 260418
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1118 PM CDT SUN SEP 25 2011

ARC017-LAC035-067-123-MSC055-125-151-260530-
/O.CON.KJAN.FF.W.0154.000000T0000Z-110926T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHICOT AR-WASHINGTON MS-SHARKEY MS-ISSAQUENA MS-MOREHOUSE LA-
EAST CARROLL LA-WEST CARROLL LA-
1118 PM CDT SUN SEP 25 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR
NORTHWESTERN ISSAQUENA...NORTHERN SHARKEY...WASHINGTON AND CHICOT
COUNTIES...AND NORTHEASTERN WEST CARROLL...NORTHEASTERN EAST CARROLL
AND EXTREME NORTHEASTERN MOREHOUSE PARISHES...

**THERE HAVE BEEN SEVERAL REPORTS OF STREETS FLOODED WITHIN THE CITY 
OF GREENVILLE WITH MANY POTENTIALLY CLOSED OFF AT THIS TIME BY LOCAL 
AUTHORITIES***

AT 1115 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAIN ALONG A LINE EXTENDING
FROM NITTA YUMA TO GASSOWAY...OR ALONG A LINE EXTENDING FROM 8 MILES
NORTH OF ROLLING FORK TO 9 MILES SOUTH OF EUDORA...MOVING SOUTHEAST
AT 30 MPH. ESTIMATED RADAR RAINFALL AMOUNTS...ON THE ORDER OF TWO TO
FOUR INCHES...HAVE OCCURRED IN THE PAST TWO HOURS.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MILLIKIN AND ANGUILLA

VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT 
HOUR. WITH AN ADDITIONAL ONE INCH POSSIBLE ACROSS SOUTHERN AREAS OF 
THE WARNED AREA.

RAINFALL AMOUNTS FROM TWO TO FOUR INCHES IN AN HOUR CAN CAUSE
FLOODING IN THE FOLLOWING AREAS NEAR GREENWOOD: RISING SUN
SUBDIVISION...400 BLOCK EAST JEFFERSON...100 TO 300 BLOCKS OF LEFLORE
AVENUE...RIVER ROAD FROM LEE STREET THROUGH DEWEY STREET...AND RIVER
ROAD FROM MULBERRY TO CHAMBER STREET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE WATER
COVERS THE ROAD. FIND ALTERNATE ROUTES AND MOVE TO HIGHER GROUND.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE WATER COVERS THE ROADWAY. WHEN ENCOUNTERING FLOODED ROADS
MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

CONTACT LOCAL LAW ENFORCEMENT AND THEY WILL RELAY FLOODING REPORTS TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN JACKSON.

&&

LAT...LON 3301 9147 3301 9146 3333 9146 3343 9124
      3343 9076 3327 9076 3327 9074 3292 9069
      3293 9116 3292 9148

$$
699 
WGUS74 KJAN 260422
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1122 PM CDT SUN SEP 25 2011

ARC017-LAC035-067-123-MSC055-125-151-260530-
/O.CON.KJAN.FF.W.0154.000000T0000Z-110926T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHICOT AR-WASHINGTON MS-SHARKEY MS-ISSAQUENA MS-MOREHOUSE LA-
EAST CARROLL LA-WEST CARROLL LA-
1122 PM CDT SUN SEP 25 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR
NORTHWESTERN ISSAQUENA...NORTHERN SHARKEY...WASHINGTON AND CHICOT
COUNTIES...AND NORTHEASTERN WEST CARROLL...NORTHEASTERN EAST CARROLL
AND EXTREME NORTHEASTERN MOREHOUSE PARISHES...

**THERE HAVE BEEN SEVERAL REPORTS OF STREETS FLOODED WITHIN THE CITY 
OF GREENVILLE WITH MANY POTENTIALLY CLOSED OFF AT THIS TIME BY LOCAL 
AUTHORITIES***

AT 1119 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAIN ALONG A LINE EXTENDING
FROM NITTA YUMA TO MILLIKIN...OR ALONG A LINE EXTENDING FROM 6 MILES
NORTH OF ROLLING FORK TO 11 MILES SOUTH OF EUDORA...MOVING SOUTHEAST
AT 30 MPH. ESTIMATED RADAR RAINFALL AMOUNTS...ON THE ORDER OF TWO TO
FOUR INCHES...HAVE OCCURRED IN THE PAST TWO HOURS.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ANGUILLA

VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT
TWO HOURS. WITH AN ADDITIONAL ONE TO THREE INCHES POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE WATER
COVERS THE ROAD. FIND ALTERNATE ROUTES AND MOVE TO HIGHER GROUND.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE WATER COVERS THE ROADWAY. WHEN ENCOUNTERING FLOODED ROADS
MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

CONTACT LOCAL LAW ENFORCEMENT AND THEY WILL RELAY FLOODING REPORTS TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN JACKSON.

&&

LAT...LON 3301 9147 3301 9146 3333 9146 3343 9124
      3343 9076 3327 9076 3327 9074 3292 9069
      3293 9116 3292 9148

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 7:23 PM CDTTornado WarningJANBolivar, Sunflower21 min
Sep 25, 7:33 PM CDTSevere Thunderstorm WarningJANBolivar57 min
Sep 25, 7:45 PM CDTSevere Thunderstorm WarningJANBolivar, Sunflower60 min
Sep 25, 7:57 PM CDTTornado WarningJANBolivar48 min
Sep 25, 8:11 PM CDTTornado WarningJANLeflore, Sunflower64 min
Sep 25, 8:29 PM CDTSevere Thunderstorm WarningJANBolivar, Sunflower, Washington61 min
Sep 25, 8:36 PM CDTTornado WarningJANBolivar, Sunflower, Washington54 min
Sep 25, 8:50 PM CDTFlash Flood WarningJANBolivar, Sunflower115 min
Sep 25, 8:56 PM CDTSevere Thunderstorm WarningJANSunflower, Washington64 min
Sep 25, 9:00 PM CDTTornado WarningJANWashington60 min
Sep 25, 9:13 PM CDTSevere Thunderstorm WarningJANCarroll, Grenada, Leflore, Sunflower47 min
Sep 25, 9:19 PM CDTTornado WarningJANLeflore, Sunflower24 min
Sep 25, 9:36 PM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey, Washington54 min
Sep 25, 9:37 PM CDTSevere Thunderstorm WarningJANCarroll, Holmes, Humphreys, Leflore, Sunflower38 min
Sep 25, 9:59 PM CDTSevere Thunderstorm WarningJANSunflower, Washington31 min
Sep 25, 10:13 PM CDTSevere Thunderstorm WarningJANHolmes, Humphreys, Leflore19 min
Sep 25, 10:28 PM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey, Washington77 min
Sep 25, 11:14 PM CDTSevere Thunderstorm WarningJANHumphreys, Yazoo35 min
Sep 26, 12:07 AM CDTSpecial Weather StatementJANIssaquena28 min
Sep 26, 2:28 PM CDTSpecial Weather StatementJANLauderdale47 min
Sep 26, 3:11 PM CDTSpecial Weather StatementJANLauderdale29 min
Sep 25, 9:06 PM CDTSevere Thunderstorm WarningJANAshley54 min
Sep 25, 9:44 PM CDTSevere Thunderstorm WarningJANAshley76 min

Nearby

Flash Flood Warnings in Mississippi, 2011Flash Flood Warnings in Louisiana, 2011Flash Flood Warnings in Arkansas, 2011Every flash flood warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.