Alert archive / Mississippi / Flash Flood Warnings in 2012

Flash Flood Warning 65, NWS Jackson, MS

June 11, 20124 counties in Mississippi; East Carroll Parish, Louisiana

NWS Jackson, MS issued this flash flood warning at Jun 11, 2012, 8:20 PM CDT for 4 counties in Mississippi; East Carroll Parish, Louisiana. It was in force for 93 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: Jun 11, 2012, 8:20 PM CDT (01:20 UTC)
Expired: Jun 11, 2012, 9:53 PM CDT
In force: 93 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: None

Counties East Carroll Parish, LA, Humphreys County, MS, Issaquena County, MS, Sharkey County, MS, Washington County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 123 km from the middle of the area, began a volume at 01:20 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.

What was reported inside it

Time	Report	Where	Remark
Jun 11, 9:35 PM CDT	FLASH FLOOD	Hollandale, MS	REPORTS OF A FEW HOUSES FLOODED IN HOLLANDALE.

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 00:00Z, 1.3 hours before the alert went out and 114 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: 2745 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1430 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 124 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

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

758 
WGUS54 KJAN 120120
FFWJAN
LAC035-MSC053-055-125-151-120315-
/O.NEW.KJAN.FF.W.0065.120612T0120Z-120612T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
820 PM CDT MON JUN 11 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HUMPHREYS COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF BELZONI...
  NORTHEASTERN EAST CARROLL PARISH IN NORTHEAST LOUISIANA...
  SOUTHERN WASHINGTON COUNTY IN NORTHWEST MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...AVON...HOLLANDALE...
  NORTHWESTERN ISSAQUENA COUNTY IN WEST CENTRAL MISSISSIPPI...
  SHARKEY COUNTY IN WEST CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF ROLLING FORK...

* UNTIL 1015 PM CDT

* AT 818 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED    
  TRAINING THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER THE WARNED   
  AREA. ESTIMATED RADAR RAINFALL AMOUNTS...ON THE ORDER OF TWO TO    
  FOUR INCHES...HAVE OCCURRED IN PORTIONS OF THE WARNED AREA OVER    
  THE PAST HOUR.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WAYSIDE...MURPHY...DARLOVE...ESTILL...DELTA CITY AND ISOLA

LOCALIZED VERY HEAVY RAINFALL WILL CONTINUE FOR THE NEXT HOUR WITH 
AN ADDITIONAL ONE TO THREE 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 3304 9112 3313 9120 3314 9109 3328 9104
      3326 9112 3336 9113 3334 9077 3327 9076
      3327 9056 3333 9051 3324 9042 3327 9033
      3293 9045 3293 9066 3282 9076 3281 9070
      3273 9104 3293 9131

$$

BYB

1 follow-up statement

532 
WGUS74 KJAN 120253
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
953 PM CDT MON JUN 11 2012

LAC035-MSC053-055-125-151-120303-
/O.CAN.KJAN.FF.W.0065.000000T0000Z-120612T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON MS-SHARKEY MS-ISSAQUENA MS-HUMPHREYS MS-EAST CARROLL LA-
953 PM CDT MON JUN 11 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR HUMPHREYS...
NORTHWESTERN ISSAQUENA...SHARKEY AND SOUTHERN WASHINGTON COUNTIES...
AND NORTHEASTERN EAST CARROLL PARISH...

LAT...LON 3304 9112 3313 9120 3314 9109 3328 9104
      3326 9112 3336 9113 3334 9077 3327 9076
      3327 9056 3333 9051 3324 9042 3327 9033
      3293 9045 3293 9066 3282 9076 3281 9070
      3273 9104 3293 9131

$$

BYB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 7:13 PM CDT	Severe Thunderstorm Warning	JAN	Holmes, Sharkey, Yazoo	62 min
Jun 11, 7:19 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Leake, Madison, Neshoba, Winston	71 min
Jun 11, 7:22 PM CDT	Severe Thunderstorm Warning	JAN	Kemper	53 min
Jun 11, 7:49 PM CDT	Severe Thunderstorm Warning	JAN	Madison, Yazoo	56 min
Jun 11, 7:51 PM CDT	Special Weather Statement	JAN	Newton	29 min
Jun 11, 7:56 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Warren	79 min
Jun 11, 8:03 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Neshoba, Newton, Scott	72 min
Jun 11, 8:09 PM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	66 min
Jun 11, 8:26 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison, Rankin	79 min
Jun 11, 8:33 PM CDT	Special Weather Statement	JAN	Jasper	32 min
Jun 11, 8:36 PM CDT	Flash Flood Warning	JAN	Newton, Scott	114 min
Jun 11, 8:41 PM CDT	Flash Flood Warning	JAN	Hinds, Rankin	2 hr
Jun 11, 8:49 PM CDT	Severe Thunderstorm Warning	JAN	Clarke, Jasper, Smith	71 min
Jun 11, 9:05 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Warren	55 min
Jun 11, 9:12 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Simpson, Smith	63 min
Jun 11, 9:14 PM CDT	Severe Thunderstorm Warning	JAN	Copiah	76 min
Jun 11, 9:19 PM CDT	Flash Flood Warning	JAN	Rankin	116 min
Jun 11, 9:29 PM CDT	Severe Thunderstorm Warning	JAN	Jones	76 min
Jun 11, 9:42 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis	63 min
Jun 11, 9:55 PM CDT	Severe Thunderstorm Warning	JAN	Lawrence	65 min
Jun 11, 9:58 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Jefferson	62 min
Jun 11, 10:08 PM CDT	Severe Thunderstorm Warning	JAN	Lincoln	82 min
Jun 11, 10:19 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar, Marion	71 min
Jun 11, 10:53 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Franklin	60 min
Jun 12, 1:15 AM CDT	Special Weather Statement	JAN	Bolivar	50 min
Jun 12, 2:19 AM CDT	Special Weather Statement	JAN	Leflore, Sunflower	61 min
Jun 12, 2:29 AM CDT	Special Weather Statement	JAN	Carroll	61 min
Jun 12, 2:47 AM CDT	Flash Flood Warning	JAN	Bolivar, Sunflower	3 hr
Jun 12, 3:11 AM CDT	Severe Thunderstorm Warning	JAN	Holmes	49 min
Jun 12, 3:23 AM CDT	Special Weather Statement	JAN	Bolivar, Leflore, Sunflower	62 min
Jun 12, 4:08 AM CDT	Special Weather Statement	JAN	Madison	57 min
Jun 12, 5:50 AM CDT	Areal Flood Warning	JAN	Bolivar, Sunflower, Washington	3 hr
Jun 12, 7:15 AM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Issaquena, Jefferson, Warren	30 min
Jun 12, 8:24 AM CDT	Special Weather Statement	JAN	Copiah, Franklin, Lincoln	31 min
Jun 12, 5:52 AM CDT	Severe Thunderstorm Warning	JAN	Morehouse, Richland, West Carroll	38 min
Jun 12, 6:31 AM CDT	Severe Thunderstorm Warning	JAN	East Carroll, Franklin, Madison, Morehouse, Richland, Tensas and 1 more	44 min

Nearby

Flash Flood Warnings in Mississippi, 2012 Flash Flood Warnings in Louisiana, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.