Alert archive / Mississippi / Flash Flood Warnings in 2016

Flash Flood Warning 101, NWS Jackson, MS

March 31, 2016Kemper County, Lauderdale County, Mississippi

NWS Jackson, MS issued this flash flood warning at Mar 31, 2016, 7:28 PM CDT for Kemper County, Lauderdale County, Mississippi. It was in force for 4 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 31, 2016, 7:28 PM CDT (00:28 UTC)
Expired: Mar 31, 2016, 11:30 PM CDT
In force: 4 hr
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: None

Counties Kemper County, MS, Lauderdale County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 138 km from the middle of the area, began a volume at 00:32 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 00:00Z, 0.5 hours before the alert went out and 178 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: 693 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 764 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 294 m²/s²
0-3 km storm-relative helicity: 366 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 6.4

Open this sounding in Storm Lab

The text

As transmitted.

765 
WGUS54 KJAN 010028
FFWJAN
MSC069-075-010430-
/O.NEW.KJAN.FF.W.0101.160401T0028Z-160401T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
728 PM CDT THU MAR 31 2016

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN LAUDERDALE COUNTY IN EAST CENTRAL MISSISSIPPI...
  KEMPER COUNTY IN EAST CENTRAL MISSISSIPPI...

* UNTIL 1130 PM CDT
    
* AT 727 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MERIDIAN STATION...PRESTON...DE KALB...LIBERTY...BLACKWATER...
  DAMASCUS...TAMOLA...PORTERVILLE...PRISMATIC...MARTIN...BLUFF
  SPRINGS...DALEVILLE...ELECTRIC MILLS AND SCOOBA.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3255 8840 3244 8891 3292 8891 3292 8835

$$

GRG

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 7:03 PM CDT	Severe Thunderstorm Warning	JAN	Simpson, Smith	42 min
Mar 31, 7:10 PM CDT	Severe Thunderstorm Warning	JAN	Smith	35 min
Mar 31, 7:30 PM CDT	Special Weather Statement	JAN	Kemper	15 min
Mar 31, 7:32 PM CDT	Flash Flood Warning	JAN	Scott, Smith	4 hr
Mar 31, 7:35 PM CDT	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale	25 min
Mar 31, 7:43 PM CDT	Flash Flood Warning	JAN	Jasper, Newton	4 hr
Mar 31, 7:44 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Smith	46 min
Mar 31, 8:13 PM CDT	River Flood Warning	JAN	Leake	4 days
Mar 31, 8:29 PM CDT	Flash Flood Warning	JAN	Clarke, Lauderdale	3 hr
Mar 31, 8:55 PM CDT	Special Weather Statement	JAN	Warren	20 min
Mar 31, 9:06 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Warren	39 min
Mar 31, 9:29 PM CDT	Special Weather Statement	JAN	Madison	31 min
Mar 31, 11:53 PM CDT	Special Weather Statement	JAN	Noxubee	37 min
Apr 1, 12:17 AM CDT	Special Weather Statement	JAN	Clarke	43 min
Apr 1, 1:17 AM CDT	Severe Thunderstorm Warning	JAN	Rankin, Simpson	43 min
Apr 1, 1:44 AM CDT	Severe Thunderstorm Warning	JAN	Smith	33 min
Apr 1, 8:34 AM CDT	River Flood Warning	JAN	Clarke	50 hr
Apr 1, 9:18 AM CDT	Special Weather Statement	JAN	Franklin, Jefferson Davis, Lawrence, Lincoln	42 min
Apr 1, 9:31 AM CDT	River Flood Warning	JAN	Leake	72 hr
Apr 1, 9:51 AM CDT	Special Weather Statement	JAN	Marion	39 min
Apr 1, 2:07 PM CDT	Special Weather Statement	JAN	Franklin	23 min
Apr 1, 2:10 PM CDT	Severe Thunderstorm Warning	JAN	Franklin	23 min
Apr 1, 2:35 PM CDT	Special Weather Statement	JAN	Copiah	25 min
Apr 1, 2:58 PM CDT	Special Weather Statement	JAN	Copiah	32 min

Nearby

Flash Flood Warnings in Mississippi, 2016 Every flash flood warning in 2016

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.