Alert archive / Mississippi / Flash Flood Warnings in 2011

Flash Flood Warning 159, NWS Jackson, MS

December 22, 2011Bolivar County, Sunflower County, Washington County, Mississippi; Ashley County, Chicot County, Arkansas

NWS Jackson, MS issued this flash flood warning at Dec 22, 2011, 4:59 AM CST for Bolivar County, Sunflower County, Washington County, Mississippi; Ashley County, Chicot County, Arkansas. 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 outline as issued.

The facts

Issued
Dec 22, 2011, 4:59 AM CST (10:59 UTC)
Expired
Dec 22, 2011, 8:00 AM CST
In force
3 hr
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

Counties Ashley County, AR, Chicot County, AR, Bolivar County, MS, Sunflower County, MS, Washington County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 134 km from the middle of the area, began a volume at 11:01 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.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 11.0 hours before the alert went out and 125 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 2011-12-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2011-12-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1726 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
74 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.

664 
WGUS54 KJAN 221059
FFWJAN
ARC003-017-MSC011-133-151-221400-
/O.NEW.KJAN.FF.W.0159.111222T1059Z-111222T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
459 AM CST THU DEC 22 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN BOLIVAR COUNTY IN NORTHWEST MISSISSIPPI...
  THIS INCLUDES THE CITY OF SHAW...
  SUNFLOWER COUNTY IN NORTHWEST MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...RULEVILLE...MOORHEAD...INDIANOLA...
  WASHINGTON COUNTY IN NORTHWEST MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...AVON...LELAND...HOLLANDALE...
  GREENVILLE...
  SOUTHEASTERN ASHLEY COUNTY IN SOUTHEAST ARKANSAS...
  THIS INCLUDES THE CITY OF WILMOT...
  CHICOT COUNTY IN SOUTHEAST ARKANSAS...
  THIS INCLUDES THE CITIES OF...LAKE VILLAGE...EUDORA...

* UNTIL 800 AM CST

* AT 459 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN NEAR WAYSIDE...OR NEAR
  AVON...MOVING NORTHEAST AT 50 MPH. ESTIMATED RADAR RAINFALL
  AMOUNTS...ON THE ORDER OF TWO INCHES...HAVE OCCURRED IN THE PAST
  HOUR.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  DARLOVE...METCALFE...WINTERVILLE...TRIBBETT...HOLLY RIDGE...
  INVERNESS...SUNFLOWER AND BLAINE

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

&&

LAT...LON 3333 9045 3333 9056 3327 9056 3327 9073
      3323 9074 3320 9068 3309 9086 3310 9091
      3306 9091 3301 9102 3300 9161 3321 9156
      3346 9120 3379 9045

$$

JA
2 follow-up statements
519 
WGUS74 KJAN 221136
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
536 AM CST THU DEC 22 2011

ARC003-017-MSC011-133-151-221400-
/O.CON.KJAN.FF.W.0159.000000T0000Z-111222T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ASHLEY AR-CHICOT AR-WASHINGTON MS-SUNFLOWER MS-BOLIVAR MS-
536 AM CST THU DEC 22 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 AM CST FOR
SOUTHEASTERN BOLIVAR...SUNFLOWER...WASHINGTON...CHICOT AND
SOUTHEASTERN ASHLEY COUNTIES...

AT 536 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAIN NEAR WAYSIDE...OR NEAR
AVON. ESTIMATED RADAR RAINFALL AMOUNTS...ON THE ORDER OF TWO 
INCHES...HAVE OCCURRED IN THE PAST HOUR.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HOLLY
RIDGE...BLAINE...WINTERVILLE...TRIBBETT...LAKE VILLAGE...SUNFLOWER...
SHAW...RULEVILLE...MOORHEAD...METCALFE...LELAND...INVERNESS...
INDIANOLA AND GREENVILLE

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.

&&

LAT...LON 3333 9045 3333 9056 3327 9056 3327 9073
      3323 9074 3320 9068 3309 9086 3310 9091
      3306 9091 3301 9102 3300 9161 3321 9156
      3346 9120 3379 9045

$$

JA
356 
WGUS74 KJAN 221212
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
612 AM CST THU DEC 22 2011

ARC003-017-MSC011-133-151-221400-
/O.CON.KJAN.FF.W.0159.000000T0000Z-111222T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ASHLEY AR-CHICOT AR-WASHINGTON MS-SUNFLOWER MS-BOLIVAR MS-
612 AM CST THU DEC 22 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 AM CST FOR
SOUTHEASTERN BOLIVAR...SUNFLOWER...WASHINGTON...CHICOT AND
SOUTHEASTERN ASHLEY COUNTIES...

AT 611 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAIN WITHIN A BAND ACROSS 
PORTIONS OF CHICOT...WASHINGTON AND SUNFLOWER COUNTIES. ESTIMATED 
RADAR RAINFALL AMOUNTS...ON THE ORDER OF TWO TO FOUR INCHES...HAVE 
OCCURRED IN THE PAST THREE HOURS.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HOLLY
RIDGE...BLAINE...WINTERVILLE...TRIBBETT...LAKE VILLAGE...SUNFLOWER...
SHAW...RULEVILLE...MOORHEAD...METCALFE...LELAND...INVERNESS...
INDIANOLA AND GREENVILLE

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...

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.

&&

LAT...LON 3333 9045 3333 9056 3327 9056 3327 9073
      3323 9074 3320 9068 3309 9086 3310 9091
      3306 9091 3301 9102 3300 9161 3321 9156
      3346 9120 3379 9045

$$

CME

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 22, 2:08 AM CSTSpecial Weather StatementJANYazoo32 min
Dec 22, 3:38 AM CSTDense Fog AdvisoryJANClarke, Covington, Forrest, Jasper, Jefferson Davis, Jones and 6 more5 hr
Dec 22, 5:09 AM CSTFlash Flood WatchJANAdams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 25 more7 hr
Dec 22, 6:04 AM CSTFlash Flood WarningJANCarroll, Grenada, Humphreys, Leflore, Montgomery3 hr
Dec 22, 8:01 AM CSTSpecial Weather StatementJANLincoln29 min
Dec 22, 8:39 AM CSTSpecial Weather StatementJANLawrence31 min
Dec 22, 8:49 AM CSTSevere Thunderstorm WarningJANCopiah, Simpson26 min
Dec 22, 8:59 AM CSTSevere Thunderstorm WarningJANLawrence, Lincoln46 min
Dec 22, 9:15 AM CSTSevere Thunderstorm WarningJANJasper, Rankin, Simpson, Smith45 min
Dec 22, 9:40 AM CSTSevere Thunderstorm WarningJANJefferson Davis, Lawrence, Marion50 min
Dec 22, 10:11 AM CSTSevere Thunderstorm WarningJANCovington, Jefferson Davis49 min
Dec 22, 10:14 AM CSTSpecial Weather StatementJANNewton, Smith31 min
Dec 22, 10:22 AM CSTSevere Thunderstorm WarningJANLamar, Marion53 min
Dec 22, 10:48 AM CSTSevere Thunderstorm WarningJANKemper, Lauderdale, Newton31 min
Dec 22, 10:52 AM CSTSevere Thunderstorm WarningJANClarke, Jasper38 min
Dec 22, 11:09 AM CSTSevere Thunderstorm WarningJANForrest, Lamar39 min
Dec 22, 11:25 AM CSTSevere Thunderstorm WarningJANClarke, Lauderdale31 min
Dec 22, 11:32 AM CSTSevere Thunderstorm WarningJANJones16 min
Dec 22, 11:56 AM CSTRiver Flood AdvisoryJANBolivar, Washington10 min
Dec 22, 11:56 AM CSTRiver Flood AdvisoryJANIssaquena, Washington10 min
Dec 22, 11:56 AM CSTRiver Flood AdvisoryJANClaiborne, Jefferson, Warren10 min
Dec 22, 11:56 AM CSTRiver Flood AdvisoryJANAdams, Wilkinson10 min

Nearby

Flash Flood Warnings in Mississippi, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.