Alert archive / Mississippi / Flash Flood Warnings in 2011

Flash Flood Warning 5, NWS Jackson, MS

December 31, 2010Attala County, Choctaw County, Holmes County, Mississippi

NWS Jackson, MS issued this flash flood warning at Dec 31, 2010, 11:58 PM CST for Attala County, Choctaw County, Holmes County, Mississippi. It was in force for 3 hr. 2 reports 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
Dec 31, 2010, 11:58 PM CST (05:58 UTC)
Expired
Jan 1, 2011, 2:43 AM CST
In force
3 hr
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

Counties Attala County, MS, Choctaw County, MS, Holmes County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 111 km from the middle of the area, began a volume at 05:58 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
Jan 1, 12:25 AM CSTFLASH FLOODDurant, MSSEVERAL STREETS WERE FLOODED IN THE CITY OF DURANT.
Jan 1, 1:05 AM CSTFLASH FLOOD2 S Mccool, MSA FEW RDS WERE UNDER WATER...A PORTION OF HWY 411 WAS CLOSED.

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

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 6.0 hours before the alert went out and 186 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, Little Rock, AR at 00:00Z on 2011-01-01Temperature 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, Little Rock, AR at 00:00Z on 2011-01-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.1939587897117Sfc1 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
1802 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

011 
WGUS54 KJAN 010558
FFWJAN
MSC007-019-051-010900-
/O.NEW.KJAN.FF.W.0005.110101T0558Z-110101T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1158 PM CST FRI DEC 31 2010

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ATTALA COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF KOSCIUSKO...
  CHOCTAW COUNTY IN CENTRAL MISSISSIPPI...
  EASTERN HOLMES COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF DURANT...

* UNTIL 300 AM CST

* AT 1158 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN ALONG A LINE EXTENDING FROM
  9 MILES EAST OF EMORY TO 9 MILES SOUTHEAST OF EBENEZER...OR ALONG A
  LINE EXTENDING FROM 13 MILES SOUTH OF WINONA TO 16 MILES NORTH OF
  CANTON...MOVING EAST AT 30 MPH. ESTIMATED RADAR RAINFALL AMOUNTS...
  ON THE ORDER OF ONE TO THREE INCHES...HAVE OCCURRED IN THE PAST    
  HOUR.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  GOODMAN...POSSUMNECK...HESTERVILLE...NEWPORT...MCADAMS...SMYRNA...
  CHESTER...ZAMA...ACKERMAN...REFORM AND SHERWOOD

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...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF HIGHWAYS
AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE
BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO
FLOODING.

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 3321 8911 3320 8921 3312 8921 3312 8932
      3293 8932 3293 8972 3289 8973 3290 9002
      3296 9017 3330 9002 3323 8976 3329 8969
      3329 8946 3345 8944 3344 8941 3352 8927
      3353 8908

$$

BK
2 follow-up statements
893 
WGUS74 KJAN 010702
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
102 AM CST SAT JAN 1 2011

MSC051-010711-
/O.CAN.KJAN.FF.W.0005.000000T0000Z-110101T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HOLMES MS-
102 AM CST SAT JAN 1 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EASTERN HOLMES
COUNTY...

LAT...LON 3353 8908 3321 8911 3320 8921 3312 8921
      3312 8932 3293 8932 3293 8972 3316 8965
      3329 8959 3330 8945 3345 8944 3344 8941
      3352 8927

$$

MSC007-019-010900-
/O.CON.KJAN.FF.W.0005.000000T0000Z-110101T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHOCTAW MS-ATTALA MS-
102 AM CST SAT JAN 1 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 AM CST FOR
EASTERN ATTALA AND CHOCTAW COUNTIES...

AT 101 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAIN ALONG A LINE EXTENDING
FROM NEAR REFORM TO NEAR SMYRNA MOVING EAST AT 40 MPH. ESTIMATED 
RADAR RAINFALL AMOUNTS...ON THE ORDER OF ONE TO TWO INCHES...HAVE 
OCCURRED IN THE PAST HOUR.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SHERWOOD...REFORM...CHESTER AND ACKERMAN

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF HIGHWAYS
AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE
BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO
FLOODING.

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 3353 8908 3321 8911 3320 8921 3312 8921
      3312 8932 3293 8932 3293 8972 3316 8965
      3329 8959 3330 8945 3345 8944 3344 8941
      3352 8927

$$

BK
025 
WGUS74 KJAN 010843
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
243 AM CST SAT JAN 1 2011

MSC007-019-010853-
/O.CAN.KJAN.FF.W.0005.000000T0000Z-110101T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHOCTAW MS-ATTALA MS-
243 AM CST SAT JAN 1 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EASTERN ATTALA AND
CHOCTAW COUNTIES...

LAT...LON 3353 8908 3321 8911 3320 8921 3312 8921
      3312 8932 3293 8932 3293 8972 3316 8965
      3329 8959 3330 8945 3345 8944 3344 8941
      3352 8927

$$

BK

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 31, 6:00 PM CSTSevere Thunderstorm WarningJANLeake, Rankin, Scott60 min
Dec 31, 6:09 PM CSTTornado WarningJANRankin, Scott, Smith66 min
Dec 31, 7:02 PM CSTSevere Thunderstorm WarningJANNeshoba, Newton58 min
Dec 31, 7:19 PM CSTSevere Thunderstorm WarningJANIssaquena, Sharkey56 min
Dec 31, 7:20 PM CSTSevere Thunderstorm WarningJANFranklin, Lincoln55 min
Dec 31, 7:26 PM CSTTornado WarningJANFranklin, Lincoln64 min
Dec 31, 7:54 PM CSTSevere Thunderstorm WarningJANKemper, Neshoba49 min
Dec 31, 8:00 PM CSTSevere Thunderstorm WarningJANHumphreys, Sharkey, Washington60 min
Dec 31, 8:03 PM CSTTornado WarningJANCopiah40 min
Dec 31, 8:11 PM CSTSevere Thunderstorm WarningJANIssaquena33 min
Dec 31, 8:25 PM CSTSevere Thunderstorm WarningJANCarroll, Holmes, Leflore50 min
Dec 31, 9:02 PM CSTFlash Flood WarningJANHolmes, Humphreys, Issaquena, Sharkey, Washington, Yazoo3 hr
Dec 31, 9:26 PM CSTFlash Flood WatchJANAttala, Carroll, Choctaw, Clay, Grenada, Holmes and 9 more7 hr
Dec 31, 9:36 PM CSTSevere Thunderstorm WarningJANHolmes69 min
Dec 31, 9:37 PM CSTFlash Flood WarningJANCarroll, Grenada, Humphreys, Montgomery3 hr
Dec 31, 9:50 PM CSTSevere Thunderstorm WarningJANYazoo40 min
Dec 31, 10:01 PM CSTSevere Thunderstorm WarningJANAttala, Carroll, Montgomery59 min
Dec 31, 10:11 PM CSTTornado WarningJANHolmes42 min
Dec 31, 10:15 PM CSTSevere Thunderstorm WarningJANWebster60 min
Dec 31, 10:18 PM CSTSevere Thunderstorm WarningJANIssaquena, Sharkey, Warren, Yazoo42 min
Dec 31, 10:21 PM CSTTornado WarningJANCarroll, Choctaw, Montgomery, Webster54 min
Dec 31, 10:28 PM CSTFlash Flood WarningJANWebster3 hr
Dec 31, 10:59 PM CSTSevere Thunderstorm WarningJANHolmes, Humphreys, Issaquena, Warren, Yazoo61 min
Dec 31, 11:07 PM CSTTornado WarningJANHolmes, Humphreys, Yazoo53 min
Dec 31, 11:22 PM CSTSevere Thunderstorm WarningJANClaiborne, Hinds, Warren68 min
Dec 31, 11:29 PM CSTFlash Flood WarningJANHinds, Madison, Rankin, Warren, Yazoo4 hr
Dec 31, 11:35 PM CSTTornado WarningJANCopiah, Lawrence, Lincoln, Simpson55 min
Dec 31, 11:39 PM CSTTornado WarningJANAttala, Holmes66 min
Dec 31, 11:56 PM CSTSevere Thunderstorm WarningJANMadison, Yazoo64 min
Jan 1, 12:11 AM CSTTornado WarningJANRankin, Scott, Smith64 min
Jan 1, 12:16 AM CSTTornado WarningJANLeake, Madison59 min
Jan 1, 12:21 AM CSTTornado WarningJANChoctaw, Clay, Montgomery, Oktibbeha, Winston54 min
Jan 1, 12:46 AM CSTTornado WarningJANAttala, Choctaw, Leake, Neshoba, Winston59 min
Jan 1, 1:05 AM CSTTornado WarningJANClay, Lowndes, Oktibbeha55 min
Jan 1, 1:11 AM CSTTornado WarningJANKemper, Neshoba, Newton, Scott64 min
Jan 1, 1:38 AM CSTSevere Thunderstorm WarningJANScott, Smith67 min
Jan 1, 1:46 AM CSTFlash Flood WarningJANCopiah, Simpson, Smith5 hr
Jan 1, 1:47 AM CSTTornado WarningJANKemper, Neshoba, Noxubee, Winston58 min
Jan 1, 1:50 AM CSTTornado WarningJANLowndes25 min
Jan 1, 1:54 AM CSTFlash Flood WarningJANLeake, Neshoba, Newton, Scott3 hr
Jan 1, 2:05 AM CSTFlash Flood WarningJANLowndes, Noxubee, Oktibbeha, Winston2 hr
Jan 1, 2:40 AM CSTTornado WarningJANNoxubee17 min
Jan 1, 2:45 AM CSTSevere Thunderstorm WarningJANKemper, Lauderdale, Neshoba, Newton60 min
Jan 1, 2:51 AM CSTFlash Flood WarningJANKemper, Lauderdale3 hr
Jan 1, 2:56 AM CSTTornado WarningJANKemper64 min
Jan 1, 3:24 AM CSTTornado WarningJANNoxubee34 min
Jan 1, 3:41 AM CSTSevere Thunderstorm WarningJANKemper, Lauderdale79 min
Jan 1, 4:21 AM CSTSevere Thunderstorm WarningJANCovington, Jasper, Jefferson Davis, Jones, Smith50 min
Jan 1, 4:34 AM CSTTornado WarningJANCovington, Jasper, Jones, Smith34 min
Jan 1, 4:47 AM CSTFlash Flood WarningJANClarke, Jasper, Jones3 hr
Jan 1, 9:41 AM CSTRiver Flood WarningJANClay23 hr

Nearby

Flash Flood Warnings in Mississippi, 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.