Alert archive / Mississippi / Flash Flood Warnings in 2012

Flash Flood Warning 104, NWS Jackson, MS

August 10, 2012Adams County, Jefferson County, Mississippi; Concordia Parish, Louisiana

NWS Jackson, MS issued this flash flood warning at Aug 10, 2012, 6:22 PM CDT for Adams County, Jefferson County, Mississippi; Concordia Parish, Louisiana. It was in force for 79 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
Aug 10, 2012, 6:22 PM CDT (23:22 UTC)
Expired
Aug 10, 2012, 7:41 PM CDT
In force
79 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

Counties Concordia Parish, LA, Adams County, MS, Jefferson County, MS

What was reported inside it

TimeReportWhereRemark
Aug 10, 6:55 PM CDTFLASH FLOOD2 Ssw Cranfield, MSWATER WAS REPORTED ACROSS CRANFIELD ROAD.

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, 11.4 hours before the alert went out and 146 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 2012-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 989 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 12:00Z on 2012-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 square meters per square second.1939Sfc1 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
989 J/kg
Mixed-layer CIN
-220 J/kg
Mixed-layer LCL
1276 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

601 
WGUS54 KJAN 102322
FFWJAN
LAC029-MSC001-063-110115-
/O.NEW.KJAN.FF.W.0104.120810T2322Z-120811T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
622 PM CDT FRI AUG 10 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN CONCORDIA PARISH IN NORTHEAST LOUISIANA...
  THIS INCLUDES THE CITIES OF...VIDALIA...FERRIDAY...
  ADAMS COUNTY IN SOUTHWEST MISSISSIPPI...
  THIS INCLUDES THE CITY OF NATCHEZ...
  WESTERN JEFFERSON COUNTY IN SOUTHWEST MISSISSIPPI...

* UNTIL 815 PM CDT

* AT 621 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN ALONG A LINE EXTENDING FROM
  7 MILES NORTHWEST OF LORMAN TO PINE RIDGE TO FROGMORE...MOVING     
  SOUTHEAST AT 20 MPH. ESTIMATED RADAR RAINFALL AMOUNTS...ON THE     
  ORDER OF THREE TO FIVE INCHES...HAVE ALREADY OCCURRED IN THE PAST  
  TWO HOURS OVER PORTIONS OF ADAMS COUNTY EAST AND NORTHEAST OF      
  NATCHEZ. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CHURCH HILL...STANTON...RED LICK...STAMPLEY...FAYETTE...
  CRANFIELD...MCNAIR...SIBLEY AND KINGSTON

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

RAINFALL AMOUNTS FROM ONE TO THREE INCHES A HOUR CAN CAUSE FLOODING
IN THE FOLLOWING AREAS NEAR NATCHEZ: LIBERTY ROAD...PASSBACK ROAD
EAST...AND LOWER WOODVILLE SOUTH. THE FOLLOWING COUNTY ROADS FLOOD:
QUITMAN ROAD...ANNAS BOTTOM ROAD...HORSHOE DRIVE IN NORTHWEST ADAMS
COUNTY...AND BURKES ROAD IN SOUTHWEST ADAMS COUNTY.

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 3119 9159 3126 9165 3127 9154 3132 9151
      3161 9173 3167 9171 3174 9127 3176 9126
      3176 9137 3184 9130 3182 9125 3187 9126
      3186 9102 3185 9101 3170 9092 3161 9106
      3160 9116 3135 9116 3132 9146 3123 9149

$$

BYB
1 follow-up statement
518 
WGUS74 KJAN 110041
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
741 PM CDT FRI AUG 10 2012

LAC029-MSC001-063-110051-
/O.CAN.KJAN.FF.W.0104.000000T0000Z-120811T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ADAMS MS-JEFFERSON MS-CONCORDIA LA-
741 PM CDT FRI AUG 10 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WESTERN JEFFERSON
AND ADAMS COUNTIES...AND EASTERN CONCORDIA PARISH...

LAT...LON 3119 9159 3126 9165 3127 9154 3132 9151
      3161 9173 3167 9171 3174 9127 3176 9126
      3176 9137 3184 9130 3182 9125 3187 9126
      3186 9102 3185 9101 3170 9092 3161 9106
      3160 9116 3135 9116 3132 9146 3123 9149

$$

BK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 7:00 PM CDTSpecial Weather StatementJANWarren30 min
Aug 9, 7:29 PM CDTSpecial Weather StatementJANWarren31 min
Aug 9, 8:01 PM CDTSpecial Weather StatementJANIssaquena29 min
Aug 9, 8:10 PM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey, Warren23 min
Aug 9, 8:54 PM CDTSpecial Weather StatementJANWarren31 min
Aug 10, 3:23 AM CDTSpecial Weather StatementJANWarren47 min
Aug 10, 7:54 AM CDTSpecial Weather StatementJANLincoln46 min
Aug 10, 10:15 AM CDTSpecial Weather StatementJANAdams45 min
Aug 10, 2:19 PM CDTSpecial Weather StatementJANClay46 min
Aug 10, 2:38 PM CDTSpecial Weather StatementJANGrenada42 min
Aug 10, 2:47 PM CDTSevere Thunderstorm WarningJANClay43 min
Aug 10, 3:33 PM CDTSpecial Weather StatementJANClay32 min
Aug 10, 4:08 PM CDTSpecial Weather StatementJANFranklin32 min
Aug 10, 4:20 PM CDTSevere Thunderstorm WarningJANFranklin, Jefferson55 min
Aug 10, 4:24 PM CDTSpecial Weather StatementJANWarren31 min
Aug 10, 4:43 PM CDTSevere Thunderstorm WarningJANAdams, Franklin32 min
Aug 10, 4:45 PM CDTSpecial Weather StatementJANLauderdale30 min
Aug 10, 4:49 PM CDTSevere Thunderstorm WarningJANClaiborne, Hinds, Warren56 min
Aug 10, 5:10 PM CDTSevere Thunderstorm WarningJANAdams, Franklin65 min
Aug 10, 5:13 PM CDTSpecial Weather StatementJANJefferson Davis32 min
Aug 10, 5:30 PM CDTFlash Flood WarningJANAdams, Franklin2 hr
Aug 10, 5:42 PM CDTSevere Thunderstorm WarningJANAdams, Claiborne, Jefferson63 min
Aug 10, 5:46 PM CDTSpecial Weather StatementJANClaiborne29 min
Aug 10, 5:55 PM CDTSpecial Weather StatementJANScott30 min
Aug 10, 6:00 PM CDTSevere Thunderstorm WarningJANClaiborne, Warren45 min
Aug 10, 6:04 PM CDTSevere Thunderstorm WarningJANAdams56 min
Aug 10, 6:10 PM CDTSpecial Weather StatementJANCovington30 min
Aug 10, 6:25 PM CDTSevere Thunderstorm WarningJANAdams, Franklin, Jefferson37 min
Aug 10, 6:41 PM CDTSpecial Weather StatementJANWinston29 min
Aug 10, 6:57 PM CDTSpecial Weather StatementJANLauderdale28 min
Aug 9, 7:09 PM CDTSpecial Weather StatementJANMorehouse, West Carroll31 min
Aug 9, 7:21 PM CDTSpecial Weather StatementJANMadison29 min
Aug 9, 7:24 PM CDTSevere Thunderstorm WarningJANMorehouse, West Carroll66 min
Aug 9, 7:32 PM CDTSpecial Weather StatementJANMorehouse33 min
Aug 9, 7:41 PM CDTSevere Thunderstorm WarningJANMadison, Tensas64 min
Aug 9, 7:52 PM CDTSevere Thunderstorm WarningJANMorehouse, Richland53 min
Aug 9, 8:31 PM CDTSevere Thunderstorm WarningJANMorehouse, Richland44 min
Aug 9, 8:42 PM CDTSevere Thunderstorm WarningJANFranklin, Madison, Tensas63 min
Aug 9, 8:45 PM CDTSevere Thunderstorm WarningJANFranklin, Richland60 min
Aug 9, 9:11 PM CDTSevere Thunderstorm WarningJANCatahoula, Franklin, Richland, Tensas64 min
Aug 9, 9:44 PM CDTSevere Thunderstorm WarningJANFranklin, Richland46 min
Aug 9, 9:52 PM CDTSevere Thunderstorm WarningJANCatahoula, Concordia, Tensas53 min
Aug 9, 9:55 PM CDTSevere Thunderstorm WarningJANMorehouse, West Carroll65 min
Aug 9, 10:00 PM CDTFlash Flood WarningJANCatahoula, Franklin, Richland3 hr
Aug 9, 10:11 PM CDTSevere Thunderstorm WarningJANFranklin, Richland49 min
Aug 9, 10:21 PM CDTFlash Flood WarningJANEast Carroll, Morehouse, Richland, West Carroll114 min
Aug 9, 10:41 PM CDTSevere Thunderstorm WarningJANMorehouse, Richland, West Carroll49 min
Aug 9, 10:43 PM CDTSevere Thunderstorm WarningJANCatahoula, Concordia62 min
Aug 9, 11:15 PM CDTSpecial Weather StatementJANWest Carroll30 min
Aug 9, 11:27 PM CDTSpecial Weather StatementJANWest Carroll28 min
Aug 10, 4:34 PM CDTSevere Thunderstorm WarningJANCatahoula, Franklin56 min
Aug 10, 5:16 PM CDTSpecial Weather StatementJANTensas29 min
Aug 10, 6:59 PM CDTSevere Thunderstorm WarningJANCatahoula, Concordia61 min

Nearby

Flash Flood Warnings in Mississippi, 2012Flash Flood Warnings in Louisiana, 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.