Alert archive / Mississippi / Flash Flood Warnings in 2012

Flash Flood Warning 6, NWS Jackson, MS

February 3, 2012Adams County, Mississippi

NWS Jackson, MS issued this flash flood warning at Feb 3, 2012, 1:24 PM CST for Adams County, Mississippi. It was in force for 3 hr. 3 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
Feb 3, 2012, 1:24 PM CST (19:24 UTC)
Expired
Feb 3, 2012, 4:01 PM CST
In force
3 hr
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

County Adams County, MS

What was reported inside it

TimeReportWhereRemark
Feb 3, 2:20 PM CSTFLASH FLOOD4 S Natchez, MSWATER BEGINNING TO ENTER A HOUSE ALONG LOWER WOODVILLE ROAD
Feb 3, 2:35 PM CSTFLASH FLOOD2 Se Natchez, MSSEVERAL ROADS FLOODED IN THE AREA. A SMALL MUDSLIDE WAS PARTIALLY BLOCKING LIBERTY ROAD.
Feb 3, 2:40 PM CSTHEAVY RAIN 0Se Natchez, MSHEAVY RAINFALL HAS RESULTED IN THREE SMALL MUD SLIDES ALONG VARIOUS PARTS OF LIBERTY 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, 7.4 hours before the alert went out and 162 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 2012-02-03Temperature 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, Jackson, MS at 12:00Z on 2012-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 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
618 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
147 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.

828 
WGUS54 KJAN 031924
FFWJAN
MSC001-032230-
/O.NEW.KJAN.FF.W.0006.120203T1924Z-120203T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
124 PM CST FRI FEB 3 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ADAMS COUNTY IN SOUTHWEST MISSISSIPPI...
  THIS INCLUDES THE CITY OF NATCHEZ...

* UNTIL 430 PM CST

* AT 123 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN ALONG A LINE EXTENDING FROM
  NATCHEZ TO 40 MILES SOUTHWEST OF SIBLEY...OR ALONG A LINE EXTENDING
  FROM VIDALIA TO MOREAUVILLE...MOVING EAST NORTHEAST AT 20 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 PINE
  RIDGE...STANTON...CRANFIELD AND KINGSTON

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

RAINFALL AMOUNTS FROM ONE TO TWO 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 3126 9165 3128 9151 3141 9158 3143 9155
      3137 9152 3137 9147 3152 9152 3157 9140
      3163 9152 3162 9141 3171 9140 3175 9132
      3165 9127 3163 9116 3135 9116 3137 9124
      3131 9146 3123 9148 3123 9156 3119 9159

$$

BK
1 follow-up statement
399 
WGUS74 KJAN 032201
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
401 PM CST FRI FEB 3 2012

MSC001-032209-
/O.CAN.KJAN.FF.W.0006.000000T0000Z-120203T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ADAMS MS-
401 PM CST FRI FEB 3 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR ADAMS COUNTY...

THE HEAVY RAINS HAVE MOVED TO THE EAST OUT OF THE COUNTY. USE 
CAUTION AS WATER MAY STILL BE STANDING IN LOW LYING AND POOR 
DRAINAGE AREAS. SEVERAL MUD SLIDES HAVE BEEN REPORTED BY EMERGENCY 
MANAGEMENT DUE TO THE HEAVY RAIN. USE CAUTION IF TRAVELING.

LAT...LON 3126 9165 3128 9151 3141 9158 3143 9155
      3137 9152 3137 9147 3152 9152 3157 9140
      3163 9152 3162 9141 3171 9140 3175 9132
      3165 9127 3163 9116 3135 9116 3137 9124
      3131 9146 3123 9148 3123 9156 3119 9159

$$

BK

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 12:30 PM CSTSevere Thunderstorm WarningJANAdams60 min
Feb 3, 2:02 PM CSTSpecial Weather StatementJANAdams58 min
Feb 3, 2:12 PM CSTSevere Thunderstorm WarningJANAdams, Franklin, Jefferson63 min
Feb 3, 2:55 PM CSTSevere Thunderstorm WarningJANFranklin65 min
Feb 3, 2:58 PM CSTSpecial Weather StatementJANJefferson47 min
Feb 3, 3:52 PM CSTSpecial Weather StatementJANLincoln28 min
Feb 3, 4:25 PM CSTSpecial Weather StatementJANLincoln30 min
Feb 3, 5:20 PM CSTSpecial Weather StatementJANLawrence45 min

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.