Alert archive / Mississippi / Flash Flood Warnings in 2012

Flash Flood Warning 33, NWS Jackson, MS

March 22, 2012Kemper County, Lowndes County, Noxubee County, Mississippi

NWS Jackson, MS issued this flash flood warning at Mar 22, 2012, 11:29 AM CDT for Kemper County, Lowndes County, Noxubee County, Mississippi. It was in force for 2 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
Mar 22, 2012, 11:29 AM CDT (16:29 UTC)
Expired
Mar 22, 2012, 1:30 PM CDT
In force
2 hr
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

Counties Kemper County, MS, Lowndes County, MS, Noxubee County, MS

The radar

The Columbus AFB radar (KGWX), 67 km from the middle of the area, began a volume at 16:30 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

Birmingham, AL (KBMX), launched 12:00Z, 4.5 hours before the alert went out and 166 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, Birmingham, AL 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, Birmingham, AL at 12:00Z on 2012-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
882 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
182 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.

038 
WGUS54 KJAN 221629
FFWJAN
MSC069-087-103-221830-
/O.NEW.KJAN.FF.W.0033.120322T1629Z-120322T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1129 AM CDT THU MAR 22 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  KEMPER COUNTY IN EAST CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF PRESTON...
  NOXUBEE COUNTY IN EAST CENTRAL MISSISSIPPI...
  LOWNDES COUNTY IN NORTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...COLUMBUS AFB...COLUMBUS...

* UNTIL 130 PM CDT

* AT 1129 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN NEAR DEERBROOK...OR 21
  MILES WEST OF ALICEVILLE...MOVING NORTH AT 50 MPH. 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
  CRAWFORD...BIGBEE VALLEY...BENT OAK...STEENS...KOLOLA SPRINGS AND
  CALEDONIA

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...

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 3258 8838 3258 8891 3292 8892 3293 8881
      3328 8881 3329 8867 3351 8867 3352 8855
      3355 8853 3352 8847 3358 8849 3360 8847
      3362 8851 3366 8851 3369 8837 3375 8832
      3375 8825

$$

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, 8:52 AM CDTFlash Flood WarningJANNeshoba, Newton, Winston113 min
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, 11:30 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.