Alert archive / Arkansas / Flash Flood Warnings in 2016

Flash Flood Warning 16, NWS Jackson, MS

March 9, 2016Ashley County, Chicot County, Arkansas

NWS Jackson, MS issued this flash flood warning at Mar 9, 2016, 3:39 PM CST for Ashley County, Chicot County, Arkansas. It was in force for 4 hr. 3 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
Mar 9, 2016, 3:39 PM CST (21:39 UTC)
Expired
Mar 9, 2016, 7:30 PM CST
In force
4 hr
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

Counties Ashley County, AR, Chicot County, AR

The radar

The Jackson/Brandon,MS radar (KDGX), 174 km from the middle of the area, began a volume at 21:43 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.

What was reported inside it

TimeReportWhereRemark
Mar 9, 7:01 PM CSTFLASH FLOODDermott, ARAPPROXIMATELY 10 FAMILIES HAVE BEEN DISPLACED DUE TO RISING FLOODWATERS. MORE EVACUATIONS TAKING PLACE CURRENTLY.
Mar 9, 7:03 PM CSTFLASH FLOODEudora, AR2 FAMILIES DISPLACED DUE TO RISING FLOODWATERS. HWY 65 UNDER 3.5 FEET OF WATER.
Mar 9, 7:05 PM CSTFLASH FLOODDermott, ARTHE VAST MAJORITY OF COUNTY ROADS ARE IMPASSIBLE.

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 12:00Z, 9.7 hours before the alert went out and 164 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, Jackson, MS at 12:00Z on 2016-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Jackson, MS at 12:00Z on 2016-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 342 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
704 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
342 m²/s²
0-3 km storm-relative helicity
327 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

710 
WGUS54 KJAN 092139
FFWJAN
ARC003-017-100130-
/O.NEW.KJAN.FF.W.0016.160309T2139Z-160310T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
339 PM CST WED MAR 9 2016

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHICOT COUNTY IN SOUTHEASTERN ARKANSAS...
  ASHLEY COUNTY IN SOUTHEASTERN ARKANSAS...

* UNTIL 730 PM CST
    
* AT 337 PM CST...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  HAMBURG...LAKE VILLAGE...DERMOTT...EUDORA...WILMOT...PORTLAND...
  MONTROSE...PARKDALE...BERLIN...SNYDER...MCMILLAN CORNER AND CHICOT
  JUNCTION.

ADDITIONAL RAINFALL AMOUNTS OF TWO TO THREE 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 3340 9184 3339 9146 3356 9145 3356 9135
      3352 9132 3355 9123 3350 9118 3344 9123
      3343 9122 3344 9118 3350 9117 3348 9114
      3343 9114 3341 9121 3338 9114 3313 9113
      3313 9120 3307 9113 3300 9117 3301 9191

$$

22
1 follow-up statement
668 
WGUS74 KJAN 100027
FFSJAN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
627 PM CST WED MAR 9 2016

ARC003-017-100130-
/O.CON.KJAN.FF.W.0016.000000T0000Z-160310T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHICOT AR-ASHLEY AR-
627 PM CST WED MAR 9 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM CST FOR
CHICOT AND ASHLEY COUNTIES...

AT 624 PM CST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. 1 TO 3 INCHES OF RAIN HAVE FALLEN
IN THE LAST 3 HOURS. FLASH FLOODING IS EXPECTED TO CONTINUE.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
HAMBURG...LAKE VILLAGE...DERMOTT...EUDORA...WILMOT...PORTLAND...
MONTROSE...PARKDALE...BERLIN...SNYDER...MCMILLAN CORNER AND CHICOT
JUNCTION.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA. ALSO THE FLASH FLOOD WARNING MAY HAVE TO BE EXTENDED
BEYOND 730 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3340 9184 3339 9146 3356 9145 3356 9135
      3352 9132 3355 9123 3350 9118 3344 9123
      3343 9122 3344 9118 3350 9117 3348 9114
      3343 9114 3341 9121 3338 9114 3313 9113
      3313 9120 3307 9113 3300 9117 3301 9191

$$

17

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 8, 11:30 PM CSTFlash Flood WatchJANAshley, Chicot4 days
Mar 9, 1:35 AM CSTSpecial Weather StatementJANAshley, Chicot40 min
Mar 9, 2:53 AM CSTFlash Flood WarningJANChicot4 hr
Mar 9, 11:00 AM CSTRiver Flood AdvisoryJANChicot, Desha36 hr
Mar 9, 11:00 AM CSTRiver Flood AdvisoryJANChicot36 hr
Mar 9, 12:43 PM CSTSpecial Weather StatementJANChicot47 min
Mar 9, 2:45 PM CSTSevere Thunderstorm WarningJANAshley45 min
Mar 9, 3:20 PM CSTSevere Thunderstorm WarningJANAshley, Chicot40 min
Mar 9, 4:02 PM CSTAreal Flood WarningJANAshley9 hr
Mar 9, 4:34 PM CSTSpecial Weather StatementJANAshley26 min
Mar 9, 5:06 PM CSTSpecial Weather StatementJANChicot24 min

Nearby

Flash Flood Warnings in Arkansas, 2016Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.