Alert archive / Louisiana / Flash Flood Warnings in 2016

Flash Flood Warning 73, NWS Jackson, MS

March 11, 2016Morehouse Parish, Richland Parish, West Carroll Parish, Louisiana

NWS Jackson, MS issued this flash flood warning at Mar 11, 2016, 2:19 PM CST for Morehouse Parish, Richland Parish, West Carroll Parish, Louisiana. It was in force for 3 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 11, 2016, 2:19 PM CST (20:19 UTC)
Expired
Mar 11, 2016, 5:15 PM CST
In force
3 hr
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

Counties Morehouse Parish, LA, Richland Parish, LA, West Carroll Parish, LA

The radar

The Jackson/Brandon,MS radar (KDGX), 163 km from the middle of the area, began a volume at 20:23 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

Jackson, MS (KJAN), launched 12:00Z, 8.3 hours before the alert went out and 153 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 2016-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 47 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 12:00Z on 2016-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -284 square meters per square second.19395878Sfc1 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
47 J/kg
Mixed-layer CIN
-183 J/kg
Mixed-layer LCL
715 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-284 m²/s²
0-3 km storm-relative helicity
-406 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

002 
WGUS54 KJAN 112019
FFWJAN
LAC067-083-123-112315-
/O.NEW.KJAN.FF.W.0073.160311T2019Z-160311T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
219 PM CST FRI MAR 11 2016

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CARROLL PARISH IN NORTHEASTERN LOUISIANA...
  RICHLAND PARISH IN NORTHEASTERN LOUISIANA...
  MOREHOUSE PARISH IN NORTHEASTERN LOUISIANA...

* UNTIL 515 PM CST

* AT 216 PM CST...EMERGENCY MANAGEMENT REPORTED EXPANSIVE FLASH
  FLOODING ACROSS THE WARNED AREA. RAINFALL AMOUNTS IN EXCESS OF
  10 INCHES OF RAIN HAVE FALLEN. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BASTROP...RAYVILLE...MANGHAM...START...DELHI...OAK GROVE...JONES...
  ARCHIBALD...GALION...ALTO...DARNELL...WARDEN...BUCKNER...BEEKMAN...
  HOLLY RIDGE...GOODWILL...EPPS...MER ROUGE...KILBOURNE AND FOREST.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES IS POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3301 9127 3284 9135 3275 9134 3269 9140
      3261 9139 3258 9145 3250 9148 3241 9148
      3240 9164 3233 9176 3225 9177 3218 9184
      3217 9198 3227 9199 3228 9203 3252 9190
      3266 9191 3271 9197 3271 9206 3301 9207

$$

17

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 10, 6:33 PM CSTAreal Flood WarningJANEast Carroll, Franklin, Madison, Tensas6 hr
Mar 11, 12:28 AM CSTAreal Flood WarningJANCatahoula, East Carroll, Franklin, Madison9 hr
Mar 11, 4:19 AM CSTFlash Flood WarningJANCatahoula, Franklin6 hr
Mar 11, 6:45 AM CSTFlash Flood WarningJANEast Carroll, Madison6 hr
Mar 11, 7:04 AM CSTFlash Flood WarningJANTensas6 hr
Mar 11, 8:31 AM CSTFlash Flood WarningJANMorehouse, Richland, West Carroll6 hr
Mar 11, 10:18 AM CSTAreal Flood WarningJANCatahoula, Franklin12 hr
Mar 11, 11:16 AM CSTAreal Flood WarningJANEast Carroll, Madison, Tensas21 hr
Mar 11, 11:24 AM CSTRiver Flood AdvisoryJANEast Carroll36 hr
Mar 11, 5:55 PM CSTAreal Flood WarningJANCatahoula, Concordia, Franklin, Morehouse, Richland, West Carroll24 hr

Nearby

Flash Flood Warnings in Louisiana, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.