Alert archive / Louisiana / Flash Flood Warnings in 2016

Flash Flood Warning 16, NWS Lake Charles, LA

March 13, 2016Rapides Parish, Louisiana

NWS Lake Charles, LA issued this flash flood warning at Mar 13, 2016, 10:22 PM CDT for Rapides Parish, Louisiana. It was in force for 6 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 13, 2016, 10:22 PM CDT (03:22 UTC)
Expired
Mar 14, 2016, 4:15 AM CDT
In force
6 hr
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Flood severity
Unknown

County Rapides Parish, LA

The radar

The Ft Polk radar (KPOE), 51 km from the middle of the area, began a volume at 03:23 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

Lake Charles Mun, LA (KLCH), launched 00:00Z, 3.4 hours before the alert went out and 154 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, Lake Charles Mun, LA at 00:00Z on 2016-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1070 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 00:00Z on 2016-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
1070 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
614 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.3

Open this sounding in Storm Lab

The text

As transmitted.

473 
WGUS54 KLCH 140322
FFWLCH
LAC079-140915-
/O.NEW.KLCH.FF.W.0016.160314T0322Z-160314T0915Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1022 PM CDT SUN MAR 13 2016

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  A LEVEE FAILURE IN...
  NORTH CENTRAL RAPIDES PARISH IN CENTRAL LOUISIANA...

* UNTIL 415 AM CDT

* AT 1020 PM CDT...RAPIDES PARISH EMERGENCY MANAGEMENT REPORTED A 
  LEVEE BREACH ON BAYOU DARROW IN GRANT PARISH...CAUSING FLASH FLOODING 
  OF IMMEDIATELY SURROUNDING AREAS. SOME OF THIS WATER WILL FLOW INTO 
  NORTHERN RAPIDES PARISH.

* LOCATIONS IMPACTED INCLUDE...
  RESIDENTS ALONG RIGOLETTE BAYOU.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3134 9238 3131 9244 3137 9263 3139 9265
      3139 9263 3143 9243

$$

13

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 14, 4:17 AM CDTAreal Flood WarningLCHRapides9 hr
Mar 14, 3:06 PM CDTAreal Flood WarningLCHRapides24 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.