Alert archive / Mississippi / Flash Flood Warnings in 2017

Flash Flood Warning 92, NWS Jackson, MS

July 24, 2017Forrest County, Lamar County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jul 24, 2017, 1:57 PM CDT for Forrest County, Lamar County, Mississippi. It was in force for 3 hr. 4 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
Jul 24, 2017, 1:57 PM CDT (18:57 UTC)
Expired
Jul 24, 2017, 5:00 PM CDT
In force
3 hr
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

Counties Forrest County, MS, Lamar County, MS

What was reported inside it

TimeReportWhereRemark
Jul 24, 3:00 PM CDTFLASH FLOOD11 Ese Lumberton, MSWATER ON RED CREEK ROAD.
Jul 24, 3:00 PM CDTFLASH FLOOD8 Nw Lumberton, MSWATER OVER ENTREKIN ROAD.
Jul 24, 3:00 PM CDTFLASH FLOOD9 E Lumberton, MSFLOOD WATERS OVER THE ROADWAY.
Jul 24, 3:00 PM CDTFLASH FLOOD9 Ese Lumberton, MSWATER OVER MARY SOLLIE ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.0 hours before the alert went out and 88 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, Slidell Radar S, LA at 12:00Z on 2017-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2227 joules per kilogram.LCLLFCEL10008507005003002001001 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, Slidell Radar S, LA at 12:00Z on 2017-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939Sfc1 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
2227 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
639 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

553 
WGUS54 KJAN 241857
FFWJAN
MSC035-073-242200-
/O.NEW.KJAN.FF.W.0092.170724T1857Z-170724T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
157 PM CDT MON JUL 24 2017

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  Southeastern Forrest County in southeastern Mississippi...
  Southern Lamar County in southeastern Mississippi...

* Until 500 PM CDT

* At 157 PM CDT, emergency management reported heavy rain across the 
  warned area. Up to eight inches of rain have fallen in extreme 
  southern Forrest and Lamar counties. Flash flooding is already 
  occurring.

* Some locations that will experience flooding include...
  Purvis, Lumberton, Brooklyn, Maxie, Rock Hill and Baxterville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3100 8934 3101 8935 3101 8942 3098 8943
      3098 8947 3100 8948 3100 8950 3101 8950
      3101 8955 3100 8955 3100 8965 3117 8965
      3115 8914 3091 8914 3091 8934

$$

DL
1 follow-up statement
382 
WGUS74 KJAN 242040
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
340 PM CDT MON JUL 24 2017

MSC035-073-242200-
/O.CON.KJAN.FF.W.0092.000000T0000Z-170724T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Forrest MS-Lamar MS-
340 PM CDT MON JUL 24 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN FORREST AND SOUTHERN LAMAR COUNTIES...

At 334 PM CDT, Up to eight inches of rainfall have fallen in extreme 
Southern Forrest and Lamar counties. Flash flooding is occurring. 
Radar has detected that rainfall rates are beginning to decrease 
across the warned area.

Some locations that will experience flooding include...
Purvis, Lumberton, Brooklyn, Maxie, Rock Hill and Baxterville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3100 8934 3101 8935 3101 8942 3098 8943
      3098 8947 3100 8948 3100 8950 3101 8950
      3101 8955 3100 8955 3100 8965 3117 8965
      3115 8914 3091 8914 3091 8934

$$

17

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 6:26 AM CDTSpecial Weather StatementJANLamar64 min
Jul 24, 7:14 AM CDTFlash Flood WarningJANForrest3 hr
Jul 24, 10:42 AM CDTSpecial Weather StatementJANCopiah, Jefferson Davis, Lawrence, Lincoln63 min
Jul 24, 10:57 AM CDTFlash Flood WarningJANForrest, Lamar3 hr
Jul 24, 11:01 AM CDTFlash Flood WarningJANCopiah, Lincoln3 hr
Jul 24, 11:22 AM CDTFlash Flood WatchJANCopiah, Covington, Forrest, Jefferson Davis, Jones, Lamar and 4 more8 hr
Jul 24, 12:20 PM CDTSpecial Weather StatementJANRankin55 min
Jul 24, 12:35 PM CDTSpecial Weather StatementJANJefferson Davis, Lawrence55 min
Jul 24, 12:52 PM CDTFlash Flood WarningJANRankin98 min
Jul 24, 1:35 PM CDTSpecial Weather StatementJANFranklin, Lincoln55 min
Jul 24, 1:40 PM CDTSpecial Weather StatementJANClaiborne50 min
Jul 24, 1:59 PM CDTAreal Flood WarningJANLincoln3 hr
Jul 24, 2:31 PM CDTSpecial Weather StatementJANMarion44 min
Jul 24, 2:37 PM CDTSpecial Weather StatementJANClaiborne38 min
Jul 24, 3:58 PM CDTSpecial Weather StatementJANYazoo32 min
Jul 24, 4:13 PM CDTSpecial Weather StatementJANHolmes32 min
Jul 24, 4:33 PM CDTSpecial Weather StatementJANAttala27 min
Jul 24, 4:37 PM CDTSpecial Weather StatementJANAttala23 min
Jul 24, 4:50 PM CDTSpecial Weather StatementJANSharkey25 min
Jul 24, 4:53 PM CDTSpecial Weather StatementJANHolmes37 min
Jul 24, 4:58 PM CDTSpecial Weather StatementJANSunflower32 min
Jul 24, 5:21 PM CDTFlash Flood WarningJANAttala, Holmes3 hr
Jul 24, 5:25 PM CDTSpecial Weather StatementJANSharkey35 min
Jul 24, 5:36 PM CDTSpecial Weather StatementJANLeflore24 min
Jul 24, 5:45 PM CDTSpecial Weather StatementJANNoxubee30 min
Jul 24, 5:58 PM CDTSpecial Weather StatementJANWebster32 min
Jul 24, 6:19 PM CDTSpecial Weather StatementJANOktibbeha26 min
Jul 24, 6:22 PM CDTSevere Thunderstorm WarningJANOktibbeha24 min
Jul 24, 6:30 PM CDTSpecial Weather StatementJANSharkey30 min

Nearby

Flash Flood Warnings in Mississippi, 2017Every flash flood warning in 2017

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.