Alert archive / Mississippi / Flash Flood Warnings in 2012

Flash Flood Warning 26, NWS New Orleans, LA

June 9, 2012Amite County, Wilkinson County, Mississippi; East Feliciana Parish, Louisiana

NWS New Orleans, LA issued this flash flood warning at Jun 9, 2012, 4:34 PM CDT for Amite County, Wilkinson County, Mississippi; East Feliciana Parish, Louisiana. 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
Jun 9, 2012, 4:34 PM CDT (21:34 UTC)
Expired
Jun 9, 2012, 7:30 PM CDT
In force
3 hr
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Flood severity
None

Counties East Feliciana Parish, LA, Amite County, MS, Wilkinson County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.6 hours before the alert went out and 143 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, Slidell Radar S, LA at 12:00Z on 2012-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1279 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, Slidell Radar S, LA at 12:00Z on 2012-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
1279 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
503 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

398 
WGUS54 KLIX 092134
FFWLIX
LAC037-MSC005-157-100030-
/O.NEW.KLIX.FF.W.0026.120609T2134Z-120610T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
434 PM CDT SAT JUN 9 2012

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST FELICIANA PARISH IN SOUTHEAST LOUISIANA...
  THIS INCLUDES THE CITIES OF...JACKSON...CLINTON...
  SOUTHWESTERN AMITE COUNTY IN SOUTHERN MISSISSIPPI...
  SOUTHEASTERN WILKINSON COUNTY IN SOUTHERN MISSISSIPPI...

* UNTIL 730 PM CDT

* AT 430 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NORWOOD...
  FELPS AND CENTREVILLE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 3099 9083 3094 9086 3090 9086 3089 9084
      3088 9086 3085 9084 3072 9086 3071 9130
      3076 9128 3076 9126 3079 9124 3085 9123
      3113 9110 3124 9080

$$

CAB
1 follow-up statement
323 
WGUS74 KLIX 092350
FFSLIX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
650 PM CDT SAT JUN 9 2012

MSC005-157-100000-
/O.CAN.KLIX.FF.W.0026.000000T0000Z-120610T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AMITE MS-WILKINSON MS-
650 PM CDT SAT JUN 9 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHEASTERN
WILKINSON AND SOUTHWESTERN AMITE COUNTIES...

LAT...LON 3099 9084 3094 9086 3090 9086 3089 9084
      3088 9086 3085 9084 3072 9086 3071 9130
      3075 9128 3076 9126 3079 9124 3085 9123
      3100 9116 3100 9089

$$

LAC037-100030-
/O.CON.KLIX.FF.W.0026.000000T0000Z-120610T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EAST FELICIANA LA-
650 PM CDT SAT JUN 9 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR EAST
FELICIANA PARISH...

AT 649 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
FLASH FLOODING OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NORWOOD AND
FELPS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

&&

LAT...LON 3099 9084 3094 9086 3090 9086 3089 9084
      3088 9086 3085 9084 3072 9086 3071 9130
      3075 9128 3076 9126 3079 9124 3085 9123
      3100 9116 3100 9089

$$

CAB

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 8, 8:10 PM CDTAreal Flood AdvisoryLIXHancock, Harrison50 min
Jun 9, 8:30 AM CDTAreal Flood AdvisoryLIXJackson2 hr
Jun 9, 9:58 AM CDTAreal Flood AdvisoryLIXHarrison2 hr
Jun 9, 3:54 AM CDTSmall Craft Advisory for Hazardous SeasLIX12 hr
Jun 9, 8:30 AM CDTAreal Flood AdvisoryLIXPlaquemines2 hr
Jun 9, 2:08 PM CDTAreal Flood AdvisoryLIXAscension, Assumption, Iberville112 min
Jun 9, 2:40 PM CDTAreal Flood AdvisoryLIXLafourche, Saint Charles, Saint James, Saint John the Baptist, Terrebonne2 hr
Jun 9, 2:50 PM CDTAreal Flood AdvisoryLIXEast Baton Rouge, Livingston115 min
Jun 9, 3:48 PM CDTSmall Craft AdvisoryLIX27 hr

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; the sounding from the Mesonet's radiosonde archive.