Alert archive / Mississippi / Flash Flood Warnings in 2012

Flash Flood Warning 152, NWS Jackson, MS

December 25, 20126 counties in Mississippi

NWS Jackson, MS issued this flash flood warning at Dec 25, 2012, 2:55 PM CST for 6 counties in 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: Dec 25, 2012, 2:55 PM CST (20:55 UTC)
Expired: Dec 25, 2012, 5:20 PM CST
In force: 2 hr
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: None

Counties Copiah County, MS, Franklin County, MS, Jefferson County, MS, Lawrence County, MS, Lincoln County, MS, Simpson County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 106 km from the middle of the area, began a volume at 20:57 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

Jackson, MS (KJAN), launched 12:00Z, 8.9 hours before the alert went out and 102 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 659 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 253 m²/s²
0-3 km storm-relative helicity: 361 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

911 
WGUS54 KJAN 252055
FFWJAN
MSC029-037-063-077-085-127-260100-
/O.NEW.KJAN.FF.W.0152.121225T2055Z-121226T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
255 PM CST TUE DEC 25 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COPIAH COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...HAZLEHURST...CRYSTAL SPRINGS...
  SIMPSON COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...PINOLA...MENDENHALL...MAGEE...
  LAWRENCE COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  LINCOLN COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF BROOKHAVEN...
  FRANKLIN COUNTY IN SOUTHWEST MISSISSIPPI...
  JEFFERSON COUNTY IN SOUTHWEST MISSISSIPPI...

* UNTIL 700 PM CST

* AT 253 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN ALONG A LINE EXTENDING FROM
  CRYSTAL SPRINGS TO 8 MILES SOUTHWEST OF BUDE...MOVING EAST AT 35   
  MPH. 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
  CASEYVILLE...GLANCY...GALLMAN...MCCALL CREEK...LOYD STAR...LITTLE
  SPRINGS...MARTINSVILLE...VAUGHN...HOPEWELL...WEST LINCOLN...
  WESSON...CENTER POINT...HARRISVILLE...ROCKPORT...BOGUE CHITTO...
  UNION...ENTERPRISE...OMA...SONTAG...EAST LINCOLN...WANILLA...
  SHIVERS...MONTICELLO...MARTINVILLE...TOPEKA...SANATORIUM...
  ROBINWOOD...ARM AND TILTON

VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT
THREE HOURS WITH AN ADDITIONAL 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 3135 9116 3163 9116 3165 9127 3175 9132
      3176 9126 3177 9127 3176 9137 3184 9135
      3186 9130 3181 9126 3187 9126 3186 9099
      3179 9074 3205 9071 3204 8966 3178 8965
      3176 8997 3140 9000 3132 9112

$$


7

2 follow-up statements

512 
WGUS74 KJAN 252223
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
423 PM CST TUE DEC 25 2012

MSC037-063-252231-
/O.CAN.KJAN.FF.W.0152.000000T0000Z-121226T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JEFFERSON MS-FRANKLIN MS-
423 PM CST TUE DEC 25 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR FRANKLIN AND
JEFFERSON COUNTIES...

LAT...LON 3136 9063 3161 9063 3161 9074 3205 9071
      3204 8967 3178 8965 3176 8997 3140 9000

$$

MSC029-077-085-127-260100-
/O.CON.KJAN.FF.W.0152.000000T0000Z-121226T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SIMPSON MS-LINCOLN MS-LAWRENCE MS-COPIAH MS-
423 PM CST TUE DEC 25 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM CST FOR
COPIAH...LAWRENCE...LINCOLN AND SIMPSON COUNTIES...

AT 421 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
DETECT THUNDERSTORMS PRODUCING MODERATE TO HEAVY RAIN OVER THE 
WARNED AREA. ESTIMATED RADAR RAINFALL AMOUNTS...ON THE ORDER OF ONE 
TO THREE INCHES...HAVE OCCURRED IN THE PAST THREE HOURS.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MARTINVILLE...SANATORIUM...PINOLA...SHIVERS...HARRISVILLE...
ROCKPORT...HOPEWELL...GALLMAN...MARTINSVILLE...GLANCY...BARLOW...
DENTVILLE...CARPENTER...UNION...MENDENHALL...MAGEE...HAZLEHURST AND
CRYSTAL SPRINGS

VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT
THREE HOURS. WITH AN ADDITIONAL ONE INCH 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 3136 9063 3161 9063 3161 9074 3205 9071
      3204 8967 3178 8965 3176 8997 3140 9000

$$


7

164 
WGUS74 KJAN 252320
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
520 PM CST TUE DEC 25 2012

MSC029-077-085-127-252329-
/O.CAN.KJAN.FF.W.0152.000000T0000Z-121226T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SIMPSON MS-LINCOLN MS-LAWRENCE MS-COPIAH MS-
520 PM CST TUE DEC 25 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR COPIAH...
LAWRENCE...LINCOLN AND SIMPSON COUNTIES...

THE RAIN HAS MOVED OUT OF THE AREA AND THE WATER WILL CONTINUE TO 
RECEDE.

LAT...LON 3136 9063 3161 9063 3161 9074 3205 9071
      3204 8967 3178 8965 3176 8997 3140 9000

$$


7

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 25, 5:03 AM CST	Wind Advisory	JAN	Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 27 more	25 hr
Dec 25, 6:31 AM CST	Special Weather Statement	JAN	Lawrence	39 min
Dec 25, 7:54 AM CST	Special Weather Statement	JAN	Covington, Jefferson Davis	31 min
Dec 25, 7:57 AM CST	River Flood Warning	JAN	Neshoba	11 days
Dec 25, 9:24 AM CST	River Flood Warning	JAN	Attala, Holmes	10 days
Dec 25, 9:25 AM CST	River Flood Warning	JAN	Clay	26 hr
Dec 25, 10:17 AM CST	Flash Flood Watch	JAN	Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 41 more	9 hr
Dec 25, 10:54 AM CST	Special Weather Statement	JAN	Madison, Rankin	26 min
Dec 25, 11:50 AM CST	Flash Flood Warning	JAN	Claiborne, Jefferson, Warren	4 hr
Dec 25, 1:18 PM CST	Severe Thunderstorm Warning	JAN	Claiborne, Warren	42 min
Dec 25, 1:22 PM CST	Severe Thunderstorm Warning	JAN	Madison, Rankin	43 min
Dec 25, 1:37 PM CST	Severe Thunderstorm Warning	JAN	Adams	38 min
Dec 25, 1:40 PM CST	Severe Thunderstorm Warning	JAN	Hinds	50 min
Dec 25, 1:49 PM CST	Severe Thunderstorm Warning	JAN	Adams, Jefferson	41 min
Dec 25, 1:52 PM CST	Severe Thunderstorm Warning	JAN	Leake, Scott	29 min
Dec 25, 1:55 PM CST	Tornado Warning	JAN	Franklin, Lincoln	50 min
Dec 25, 1:57 PM CST	Flash Flood Warning	JAN	Hinds, Madison, Rankin	3 hr
Dec 25, 2:02 PM CST	Severe Thunderstorm Warning	JAN	Claiborne, Jefferson	43 min
Dec 25, 2:09 PM CST	Severe Thunderstorm Warning	JAN	Franklin	51 min
Dec 25, 2:18 PM CST	Severe Thunderstorm Warning	JAN	Madison, Rankin	42 min
Dec 25, 2:20 PM CST	Severe Thunderstorm Warning	JAN	Copiah, Lincoln	40 min
Dec 25, 2:28 PM CST	Severe Thunderstorm Warning	JAN	Hinds	47 min
Dec 25, 2:38 PM CST	Tornado Warning	JAN	Copiah, Lawrence, Simpson	34 min
Dec 25, 2:52 PM CST	Severe Thunderstorm Warning	JAN	Copiah	23 min
Dec 25, 2:53 PM CST	Severe Thunderstorm Warning	JAN	Leake, Madison, Rankin, Scott	52 min
Dec 25, 2:59 PM CST	Severe Thunderstorm Warning	JAN	Franklin, Lincoln	46 min
Dec 25, 3:02 PM CST	Severe Thunderstorm Warning	JAN	Simpson	13 min
Dec 25, 3:10 PM CST	Severe Thunderstorm Warning	JAN	Attala, Leake, Madison	50 min
Dec 25, 3:17 PM CST	Severe Thunderstorm Warning	JAN	Simpson	43 min
Dec 25, 3:26 PM CST	Severe Thunderstorm Warning	JAN	Copiah, Lawrence	34 min
Dec 25, 3:28 PM CST	Severe Thunderstorm Warning	JAN	Leake, Neshoba, Newton, Scott, Winston	47 min
Dec 25, 3:31 PM CST	Tornado Warning	JAN	Lawrence, Lincoln	23 min
Dec 25, 3:34 PM CST	Severe Thunderstorm Warning	JAN	Scott, Smith	56 min
Dec 25, 3:36 PM CST	Severe Thunderstorm Warning	JAN	Forrest, Jones, Lamar	54 min
Dec 25, 3:42 PM CST	Tornado Warning	JAN	Forrest	33 min
Dec 25, 3:52 PM CST	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis, Simpson	38 min
Dec 25, 3:55 PM CST	Severe Thunderstorm Warning	JAN	Kemper, Noxubee, Winston	65 min
Dec 25, 4:01 PM CST	Tornado Warning	JAN	Jones	29 min
Dec 25, 4:02 PM CST	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence, Marion	13 min
Dec 25, 4:07 PM CST	Severe Thunderstorm Warning	JAN	Jasper, Lauderdale, Newton	38 min
Dec 25, 4:10 PM CST	Severe Thunderstorm Warning	JAN	Clarke, Lauderdale	35 min
Dec 25, 4:18 PM CST	Tornado Warning	JAN	Forrest, Lamar, Marion	57 min
Dec 25, 4:19 PM CST	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis	26 min
Dec 25, 4:24 PM CST	Tornado Warning	JAN	Clarke, Lauderdale	41 min
Dec 25, 4:31 PM CST	Severe Thunderstorm Warning	JAN	Jasper, Jones	59 min
Dec 25, 4:35 PM CST	Severe Thunderstorm Warning	JAN	Lowndes	25 min
Dec 25, 4:51 PM CST	Flash Flood Warning	JAN	Clarke, Jasper, Kemper, Lauderdale, Neshoba, Newton and 2 more	105 min
Dec 25, 4:54 PM CST	Flash Flood Warning	JAN	Covington, Forrest, Jones, Lamar, Marion	100 min
Dec 25, 4:54 PM CST	Severe Thunderstorm Warning	JAN	Clarke	66 min
Dec 25, 4:57 PM CST	Severe Thunderstorm Warning	JAN	Clarke, Lauderdale	33 min
Dec 25, 4:59 PM CST	Severe Thunderstorm Warning	JAN	Forrest, Lamar	61 min
Dec 25, 5:28 PM CST	Severe Thunderstorm Warning	JAN	Jones	17 min

Nearby

Flash Flood Warnings in Mississippi, 2012 Every 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.