Alert archive / Mississippi / Flash Flood Warnings in 2012

Flash Flood Warning 30, NWS Jackson, MS

March 22, 2012Neshoba County, Newton County, Winston County, Mississippi

NWS Jackson, MS issued this flash flood warning at Mar 22, 2012, 8:52 AM CDT for Neshoba County, Newton County, Winston County, Mississippi. It was in force for 113 min. 4 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
Mar 22, 2012, 8:52 AM CDT (13:52 UTC)
Expired
Mar 22, 2012, 10:45 AM CDT
In force
113 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

Counties Neshoba County, MS, Newton County, MS, Winston County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 114 km from the middle of the area, began a volume at 13:55 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
Mar 22, 9:00 AM CDTFLASH FLOODDecatur, MSEXCESSIVE RAIN CAUSED CULVERT AND LEVEE IN AREA TO BE IN DANGER OF FAILING...PUMPING OPERATIONS HAD TO TAKE PLACE TO RELIEVE PRESSURE. OTHER REPORTS INDICATE SOME ROADS IN AREA FLOODED.
Mar 22, 9:00 AM CDTHEAVY RAIN 5.16Philadelphia, MS
Mar 22, 9:02 AM CDTFLASH FLOODPhiladelphia, MSMULTIPLE ROADS ARE FLOODED ACROSS NESHOBA COUNTY...INCLUDING COUNTY ROADS 266...444...452...529...571...832...AND 834.
Mar 22, 9:22 AM CDTFLASH FLOODNanih Waiya, MSLOW LYING ROADS ARE FLOODED...CREEKS ARE AT BANKFULL...PONDS ARE FLOWING THROUGH THEIR SPILLWAYS

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 12:00Z, 1.9 hours before the alert went out and 118 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 2012-03-22Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2012-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.19395878Sfc1 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
591 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
123 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.

175 
WGUS54 KJAN 221352
FFWJAN
MSC099-101-159-221545-
/O.NEW.KJAN.FF.W.0030.120322T1352Z-120322T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
852 AM CDT THU MAR 22 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NESHOBA COUNTY IN EAST CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF PHILADELPHIA...
  NEWTON COUNTY IN EAST CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...PROSPECT...NEWTON...
  WINSTON COUNTY IN EAST CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...NANIH WAIYA...LOUISVILLE...

* UNTIL 1045 AM CDT

* AT 851 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED    
  WIDESPREAD THUNDERSTORMS MOVING ACROSS THE AREA PRODUCING PERIODS  
  OF VERY HEAVY RAIN. ESTIMATED RADAR RAINFALL AMOUNTS...ON THE      
  ORDER OF ONE TO THREE INCHES...HAVE OCCURRED IN THE PAST TWO HOURS.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MILLCREEK...BETHEDEN...DOWDVILLE...STALLO...BURNSIDE...
  FORESTDALE...BETHSAIDA...HERBERT SPRINGS...HOUSE...NESHOBA...
  DIXON...LAWRENCE...STRATTON...LITTLE ROCK...DUFFEE...VERNON...
  CENTER RIDGE...PEARL RIVER...DECATUR AND CONEHATTA

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY.
THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY.
FIND AN ALTERNATE ROUTE AND MOVE TO HIGHER GROUND.

&&

LAT...LON 3292 8892 3222 8891 3223 8932 3311 8932
      3311 8921 3320 8921 3320 8911 3329 8910
      3328 8882 3293 8881

$$

OLB
1 follow-up statement
269 
WGUS74 KJAN 221527
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1027 AM CDT THU MAR 22 2012

MSC099-101-159-221545-
/O.CON.KJAN.FF.W.0030.000000T0000Z-120322T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WINSTON MS-NEWTON MS-NESHOBA MS-
1027 AM CDT THU MAR 22 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 AM CDT FOR
NESHOBA...NEWTON AND WINSTON COUNTIES...

AT 1027 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAIN NEAR NESHOBA...OR 9
MILES NORTHEAST OF PROSPECT...MOVING NORTH AT 45 MPH. ESTIMATED RADAR
RAINFALL AMOUNTS...ON THE ORDER OF ONE TO TWO INCHES...HAVE
OCCURRED IN THE PAST TWO HOURS.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PEARL
RIVER...PHILADELPHIA...FORESTDALE...BURNSIDE...STALLO...NANIH
WAIYA...MILLCREEK...BETHEDEN...VERNON...CENTER RIDGE AND LOUISVILLE

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY.
THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY.
FIND AN ALTERNATE ROUTE AND MOVE TO HIGHER GROUND.

&&

LAT...LON 3292 8892 3222 8891 3223 8932 3311 8932
      3311 8921 3320 8921 3320 8911 3329 8910
      3328 8882 3293 8881

$$

DHB

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 21, 7:15 PM CDTFlash Flood WarningJANHinds, Madison, Rankin2 hr
Mar 21, 8:46 PM CDTFlash Flood WarningJANForrest94 min
Mar 21, 9:55 PM CDTFlash Flood WarningJANJones2 hr
Mar 21, 10:39 PM CDTFlash Flood WarningJANClarke, Lauderdale94 min
Mar 22, 4:03 AM CDTFlash Flood WatchJANChoctaw, Clarke, Clay, Covington, Forrest, Jasper and 15 more25 hr
Mar 22, 5:27 AM CDTRiver Flood WarningJANNeshoba6 days
Mar 22, 5:27 AM CDTRiver Flood WarningJANLeake7 days
Mar 22, 5:27 AM CDTRiver Flood WarningJANLeake8 days
Mar 22, 5:27 AM CDTRiver Flood WarningJANLeake4 days
Mar 22, 5:45 AM CDTRiver Flood WarningJANForrest52 hr
Mar 22, 8:16 AM CDTFlash Flood WarningJANForrest, Jones, Lamar3 hr
Mar 22, 8:24 AM CDTFlash Flood WarningJANClarke, Lauderdale3 hr
Mar 22, 8:33 AM CDTRiver Flood WarningJANMadison, Yazoo9 days
Mar 22, 8:36 AM CDTFlash Flood WarningJANKemper, Lowndes, Noxubee3 hr
Mar 22, 9:01 AM CDTFlash Flood WarningJANCovington, Jasper, Smith3 hr
Mar 22, 10:16 AM CDTRiver Flood WarningJANLeake5 days
Mar 22, 10:16 AM CDTRiver Flood WarningJANHinds, Rankin7 days
Mar 22, 10:16 AM CDTRiver Flood WarningJANCopiah, Simpson4 days
Mar 22, 10:16 AM CDTRiver Flood WarningJANLawrence4 days
Mar 22, 11:00 AM CDTAreal Flood WarningJANNeshoba, Newton, Winston6 hr
Mar 22, 11:15 AM CDTFlash Flood WarningJANForrest, Jones, Lamar2 hr
Mar 22, 11:29 AM CDTFlash Flood WarningJANKemper, Lowndes, Noxubee2 hr
Mar 22, 11:30 AM CDTFlash Flood WarningJANClarke, Lauderdale2 hr
Mar 22, 12:15 PM CDTAreal Flood WarningJANClarke, Covington, Jasper, Jefferson Davis, Jones, Smith6 hr
Mar 22, 12:39 PM CDTRiver Flood WarningJANCovington, Forrest21 hr
Mar 22, 1:09 PM CDTRiver Flood WarningJANJones5 days
Mar 22, 1:16 PM CDTAreal Flood WarningJANForrest, Jones, Lamar6 hr
Mar 22, 1:32 PM CDTAreal Flood WarningJANClarke, Lauderdale6 hr
Mar 22, 1:35 PM CDTAreal Flood WarningJANKemper, Lowndes, Noxubee6 hr
Mar 22, 2:00 PM CDTRiver Flood WarningJANLeake4 days
Mar 22, 4:13 PM CDTRiver Flood WarningJANNoxubee6 hr

Nearby

Flash Flood Warnings in Mississippi, 2012Every flash flood warning in 2012

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.