Alert archive / Mississippi / Flash Flood Warnings in 2016

Flash Flood Warning 103, NWS Jackson, MS

March 31, 2016Jasper County, Newton County, Mississippi

NWS Jackson, MS issued this flash flood warning at Mar 31, 2016, 7:43 PM CDT for Jasper County, Newton 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, 7:43 PM CDT (00:43 UTC)
Expired: Mar 31, 2016, 11:45 PM CDT
In force: 4 hr
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: None

Counties Jasper County, MS, Newton County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 81 km from the middle of the area, began a volume at 00:43 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

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.7 hours before the alert went out and 211 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: 1010 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 644 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 206 m²/s²
0-3 km storm-relative helicity: 181 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 7.7

Open this sounding in Storm Lab

The text

As transmitted.

611 
WGUS54 KJAN 010043
FFWJAN
MSC061-101-010445-
/O.NEW.KJAN.FF.W.0103.160401T0043Z-160401T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN NEWTON COUNTY IN EAST CENTRAL MISSISSIPPI...
  JASPER COUNTY IN EAST CENTRAL MISSISSIPPI...

* UNTIL 1145 PM CDT
    
* AT 742 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO ONE INCH OF RAIN HAS
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  NEWTON...LAWRENCE...BAY SPRINGS...TURNERVILLE...PAULDING...ROSE
  HILL...ROBERTS...GARLANDVILLE...ORANGE...HICKORY...CHUNKY...LOUIN
  AND MONTROSE.

ADDITIONAL RAINFALL AMOUNTS OF UP 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 3186 8932 3235 8932 3245 8891 3193 8891

$$

GRG

1 follow-up statement

023 
WGUS74 KJAN 010351
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1051 PM CDT THU MAR 31 2016

MSC061-101-010445-
/O.CON.KJAN.FF.W.0103.000000T0000Z-160401T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEWTON MS-JASPER MS-
1051 PM CDT THU MAR 31 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR
SOUTHERN NEWTON AND JASPER COUNTIES...

AT 1050 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAS
ALREADY FALLEN AND FLASH FLOODING WILL CONTINUE.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NEWTON...LAWRENCE...BAY SPRINGS...TURNERVILLE...PAULDING...ROSE
HILL...ROBERTS...GARLANDVILLE...ORANGE...HICKORY...CHUNKY...LOUIN AND
MONTROSE.

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 3186 8932 3235 8932 3245 8891 3193 8891

$$

EEC

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, 7:28 PM CDT	Flash Flood Warning	JAN	Kemper, Lauderdale	4 hr
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, 7:44 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.