Alert archive / Arkansas / Flash Flood Warnings in 2016

Flash Flood Warning 85, NWS Jackson, MS

March 30, 2016Ashley County, Chicot County, Arkansas

NWS Jackson, MS issued this flash flood warning at Mar 30, 2016, 10:53 PM CDT for Ashley County, Chicot County, Arkansas. It was in force for 4 hr. 2 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 30, 2016, 10:53 PM CDT (03:53 UTC)
Expired
Mar 31, 2016, 2:45 AM CDT
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), 173 km from the middle of the area, began a volume at 03:58 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 30, 11:30 PM CDTFLASH FLOODDermott, ARSTREET FLOODING IN THE CITY WHICH INCLUDED ON NORTH MAIN STREET...ARKANSAS STREET...AND HWY 35/SPEEDWAY STREET
Mar 31, 12:49 AM CDTFLASH FLOODDermott, ARFLASH FLOODING THROUGHOUT THE CITY. REPORTS OF A COUPLE OF FEET OF WATER OVER MULTIPLE ROADS.

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, 3.9 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 00:00Z on 2016-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 213 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, Jackson, MS at 00:00Z on 2016-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 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
213 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
871 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
303 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.8

Open this sounding in Storm Lab

The text

As transmitted.

016 
WGUS54 KJAN 310353
FFWJAN
ARC003-017-310445-
/O.NEW.KJAN.FF.W.0085.160331T0353Z-160331T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1053 PM CDT WED MAR 30 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 1145 PM CDT
    
* AT 1053 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS 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...
  CROSSETT...HAMBURG...LAKE VILLAGE...DERMOTT...EUDORA...WILMOT...
  NORTH CROSSETT...WEST CROSSETT...PORTLAND...MONTROSE...PARKDALE...
  FOUNTAIN HILL...BERLIN...MCMILLAN CORNER...OLD MILO...SNYDER...
  CHICOT JUNCTION AND HALLEY.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

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

&&

LAT...LON 3319 9214 3331 9198 3340 9199 3339 9146
      3356 9145 3356 9123 3344 9123 3346 9112
      3339 9119 3338 9117 3345 9106 3333 9114
      3324 9110 3328 9105 3328 9104 3314 9109
      3313 9120 3306 9112 3300 9117 3303 9211

$$

CME
1 follow-up statement
314 
WGUS54 KJAN 310426
FFWJAN
ARC003-017-310745-
/O.EXT.KJAN.FF.W.0085.000000T0000Z-160331T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1126 PM CDT WED MAR 30 2016

THE NATIONAL WEATHER SERVICE IN JACKSON HAS EXTENDED THE

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

* UNTIL 245 AM CDT
    
* AT 1126 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...
  CROSSETT...HAMBURG...LAKE VILLAGE...DERMOTT...EUDORA...WILMOT...
  NORTH CROSSETT...WEST CROSSETT...PORTLAND...MONTROSE...PARKDALE...
  FOUNTAIN HILL...BERLIN...MCMILLAN CORNER...OLD MILO...SNYDER...
  CHICOT JUNCTION AND HALLEY.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

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

&&

LAT...LON 3319 9214 3331 9198 3340 9199 3339 9146
      3356 9145 3356 9123 3344 9123 3346 9112
      3339 9119 3338 9117 3345 9106 3333 9114
      3324 9110 3328 9105 3328 9104 3314 9109
      3313 9120 3306 9112 3300 9117 3303 9211

$$

CME

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 10:36 PM CDTSevere Thunderstorm WarningJANAshley39 min
Mar 30, 11:08 PM CDTTornado WarningJANChicot52 min
Mar 31, 4:28 PM CDTSpecial Weather StatementJANAshley32 min
Mar 31, 5:30 PM CDTSevere Thunderstorm WarningJANAshley36 min
Mar 31, 6:03 PM CDTFlash Flood WarningJANChicot4 hr

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.