Alert archive / Louisiana / Flash Flood Warnings in 2016

Flash Flood Warning 80, NWS Lake Charles, LA

August 13, 201612 parishes in Louisiana

NWS Lake Charles, LA issued this flash flood warning at Aug 13, 2016, 1:56 PM CDT for 12 parishes in Louisiana. It was in force for 4 hr. 15 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: Aug 13, 2016, 1:56 PM CDT (18:56 UTC)
Expired: Aug 13, 2016, 6:15 PM CDT
In force: 4 hr
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Flood severity: None

Counties Acadia Parish, LA, Allen Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Evangeline Parish, LA, Iberia Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA, Vermilion Parish, LA

The radar

The Lake Charles radar (KLCH), 136 km from the middle of the area, began a volume at 18:58 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

Time	Report	Where	Remark
Aug 13, 3:00 PM CDT	HEAVY RAIN 9.8	2 Wsw Basile, LA	MESONET STATION BAYOU NEZPIQUE /BSLL1/. THE DURATION OF THE HEAVY RAIN EVENT WAS 72 HOURS.
Aug 13, 4:00 PM CDT	HEAVY RAIN 12.29	5 Sw Arnaudville, LA	MESONET STATION BAYOU VERMILION /BVCL1/. THE DURATION OF THE HEAVY RAIN EVENT WAS 48 HOURS.
Aug 13, 4:00 PM CDT	HEAVY RAIN 12.41	5 Sw Arnaudville, LA	MESONET STATION BAYOU VERMILION /BVCL1/. THE DURATION OF THE HEAVY RAIN EVENT WAS 72 HOURS.
Aug 13, 4:46 PM CDT	HEAVY RAIN 6.36	2 Ene Lacassine Nationa, LA	MESONET STATION 2 ENE LACASSINE NATIONAL /LACL1/. THE DURATION OF THE HEAVY RAIN EVENT WAS 72 HOURS.
Aug 13, 4:53 PM CDT	HEAVY RAIN 10.47	2 Wsw Lake Arthur, LA	MESONET STATION 2 WSW LAKE ARTHUR /E5737/. THE DURATION OF THE HEAVY RAIN EVENT WAS 72 HOURS.
Aug 13, 4:54 PM CDT	HEAVY RAIN 12.31	2 E Pecan Island, LA	MESONET STATION 2 E PECAN ISLAND /D7368/. THE DURATION OF THE HEAVY RAIN EVENT WAS 72 HOURS.
Aug 13, 4:55 PM CDT	HEAVY RAIN 20.32	6 Ene Forked Island, LA	MESONET STATION 5 ENE FORKED ISLAND /D4071/. THE DURATION OF THE HEAVY RAIN EVENT WAS 72 HOURS.
Aug 13, 4:56 PM CDT	HEAVY RAIN 7.87	4 Ssw Lake Charles, LA	MESONET STATION 4 SSW LAKE CHARLES /D6036/. THE DURATION OF THE HEAVY RAIN EVENT WAS 72 HOURS.
Aug 13, 4:58 PM CDT	HEAVY RAIN 9.47	3 Ese New Iberia, LA	MESONET STATION 2 ESE NEW IBERIA /D1389/. THE DURATION OF THE HEAVY RAIN EVENT WAS 72 HOURS.
Aug 13, 5:00 PM CDT	HEAVY RAIN 4.59	2 Ese Leblanc, LA	CO-OP OBSERVER STATION CALCASIEU @ KINDER /KDRL1/. THE DURATION OF THE HEAVY RAIN EVENT WAS 48 HOURS.
Aug 13, 5:00 PM CDT	HEAVY RAIN 20.78	2 E Cade, LA	MESONET STATION LA LAFAYETTE 13 SE /CADL1/. THE DURATION OF THE HEAVY RAIN EVENT WAS 48 HOURS.
Aug 13, 5:09 PM CDT	HEAVY RAIN 11.7	2 E Pecan Island, LA	MESONET STATION 2 E PECAN ISLAND /D7368/. THE DURATION OF THE HEAVY RAIN EVENT WAS 48 HOURS.
Aug 13, 5:11 PM CDT	HEAVY RAIN 5.08	4 Ssw Lake Charles, LA	MESONET STATION 4 SSW LAKE CHARLES /D6036/. THE DURATION OF THE HEAVY RAIN EVENT WAS 48 HOURS.
Aug 13, 5:18 PM CDT	HEAVY RAIN 10.18	2 Wsw Lake Arthur, LA	MESONET STATION 2 WSW LAKE ARTHUR /E5737/. THE DURATION OF THE HEAVY RAIN EVENT WAS 48 HOURS.
Aug 13, 5:40 PM CDT	FLASH FLOOD	2 Ene Iowa, LA	LADOTD REPORTS I-10 CLOSED AT US 165 DUE TO FLOODING INTO THE AREA

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, 6.9 hours before the alert went out and 213 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1240 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -120 m²/s²
0-3 km storm-relative helicity: -74 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

388 
WGUS54 KLCH 131856
FFWLCH
LAC001-003-019-023-039-045-053-055-097-099-101-113-132315-
/O.NEW.KLCH.FF.W.0080.160813T1856Z-160813T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
156 PM CDT SAT AUG 13 2016

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN CAMERON PARISH IN SOUTHWESTERN LOUISIANA...
  VERMILION PARISH IN SOUTHWESTERN LOUISIANA...
  ST. MARTIN PARISH IN SOUTH CENTRAL LOUISIANA...
  SOUTHERN ALLEN PARISH IN SOUTHWESTERN LOUISIANA...
  IBERIA PARISH IN SOUTH CENTRAL LOUISIANA...
  JEFFERSON DAVIS PARISH IN SOUTHWESTERN LOUISIANA...
  ST. MARY PARISH IN SOUTH CENTRAL LOUISIANA...
  SOUTHERN EVANGELINE PARISH IN CENTRAL LOUISIANA...
  ST. LANDRY PARISH IN CENTRAL LOUISIANA...
  EASTERN CALCASIEU PARISH IN SOUTHWESTERN LOUISIANA...
  ACADIA PARISH IN SOUTHWESTERN LOUISIANA...
  LAFAYETTE PARISH IN SOUTH CENTRAL LOUISIANA...

* UNTIL 615 PM CDT

* AT 151 PM CDT...DOPPLER RADAR INDICATED BANDS OF SHOWERS AND A FEW
  THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. SOME OF
  THIS ACTIVITY WILL PRODUCE RAINFALL RATES BETWEEN 1 AND 2 INCHES
  PER HOUR...ESPECIALLY FROM EASTERN CALCASIEU PARISH INTO WESTERN
  JEFFERSON DAVIS PARISH AND NORTHEAST CAMERON PARISH...AND WESTERN
  VERMILION PARISH. ELSEWHERE ACROSS THE WARNED AREA...RAINFALL
  RATES WILL BE LOWER...HOWEVER DUE TO THE TREMENDOUS EARLIER
  RAINFALL...RUNOFF ISSUES WILL STILL OCCUR. FLASH FLOODING IS
  OCCURRING OR IS EXPECTED TO BEGIN SHORTLY. ADDITIONAL RAINFALL
  RATES THROUGH THE WARNED AREA WILL AVERAGE 1 TO 4 INCHES.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LAFAYETTE...LAKE CHARLES...NEW IBERIA...OPELOUSAS...CROWLEY...
  MORGAN CITY...ABBEVILLE...CATAHOULA...EUNICE...JENNINGS...SCOTT...
  BREAUX BRIDGE...RAYNE...FRANKLIN...CARENCRO...ST. MARTINVILLE...
  PATTERSON...JEANERETTE...BERWICK AND KAPLAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

KEEP CHILDREN AWAY FROM STORM DRAINS...CULVERTS...CREEKS AND STREAMS.
WATER LEVELS CAN RISE RAPIDLY AND SWEEP CHILDREN AWAY.

&&

LAT...LON 2955 9128 2933 9136 2955 9141 2941 9149
      2964 9157 2951 9190 2941 9185 2962 9202
      2962 9204 2961 9205 2952 9198 2978 9322
      3040 9324 3053 9313 3068 9173 3050 9175
      3010 9146 3004 9122 2963 9108

$$

RUA

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 12, 7:03 PM CDT	Special Weather Statement	LCH	Vernon	27 min
Aug 12, 7:06 PM CDT	Flash Flood Warning	LCH	Acadia, Evangeline, Iberia, Lafayette, Saint Landry, Saint Martin and 1 more	6 hr
Aug 12, 7:16 PM CDT	Severe Thunderstorm Warning	LCH	Acadia, Cameron, Iberia, Jefferson Davis, Lafayette, Saint Landry and 2 more	55 min
Aug 12, 8:03 PM CDT	Special Weather Statement	LCH	Beauregard	42 min
Aug 12, 8:10 PM CDT	Special Marine Warning	LCH		95 min
Aug 12, 8:13 PM CDT	Special Weather Statement	LCH	Allen	47 min
Aug 12, 9:08 PM CDT	Flash Flood Warning	LCH	Acadia, Evangeline, Saint Landry, Vermilion	4 hr
Aug 12, 10:09 PM CDT	Flash Flood Warning	LCH	Iberia, Saint Martin, St. Mary	3 hr
Aug 12, 10:19 PM CDT	Flash Flood Warning Emergency	LCH	Iberia, Lafayette, Saint Martin, Vermilion	5 hr
Aug 12, 10:28 PM CDT	River Flood Warning	LCH	Acadia, Evangeline, Saint Landry	9 days
Aug 12, 10:28 PM CDT	River Flood Warning	LCH	Rapides	15 days
Aug 12, 10:28 PM CDT	River Flood Warning	LCH	Acadia, Allen, Evangeline, Jefferson Davis	5 days
Aug 12, 10:28 PM CDT	River Flood Warning	LCH	Acadia, Jefferson Davis, Vermilion	28 days
Aug 12, 10:36 PM CDT	Areal Flood Advisory	LCH	Allen	3 hr
Aug 13, 1:00 AM CDT	Flash Flood Warning	LCH	Acadia, Evangeline, Iberia, Lafayette, Saint Landry, Saint Martin and 2 more	7 hr
Aug 13, 2:32 AM CDT	Special Weather Statement	LCH	Acadia, Lafayette	58 min
Aug 13, 2:53 AM CDT	Flash Flood Warning	LCH	Avoyelles, Evangeline, Rapides	5 hr
Aug 13, 3:52 AM CDT	Flash Flood Warning Emergency	LCH	Iberia	4 hr
Aug 13, 6:08 AM CDT	Areal Flood Advisory	LCH	Acadia, Allen, Calcasieu, Cameron, Evangeline, Jefferson Davis and 1 more	112 min
Aug 13, 6:27 AM CDT	Flash Flood Warning	LCH	Acadia, Allen, Calcasieu, Cameron, Evangeline, Jefferson Davis and 1 more	93 min
Aug 13, 6:35 AM CDT	Flash Flood Warning	LCH	Allen, Beauregard, Calcasieu, Cameron, Jefferson Davis	85 min
Aug 13, 7:56 AM CDT	Flash Flood Warning	LCH	Avoyelles, Evangeline, Iberia, Lafayette, Saint Landry, Saint Martin and 1 more	6 hr
Aug 13, 7:59 AM CDT	Flash Flood Warning	LCH	Acadia, Allen, Calcasieu, Cameron, Evangeline, Jefferson Davis and 1 more	6 hr
Aug 13, 11:22 AM CDT	River Flood Warning	LCH	Allen	24 hr
Aug 13, 11:22 AM CDT	River Flood Warning	LCH	Allen	13 days
Aug 13, 11:22 AM CDT	River Flood Warning	LCH	Allen, Jefferson Davis	11 days
Aug 13, 11:22 AM CDT	River Flood Warning	LCH	Calcasieu	5 days
Aug 13, 11:22 AM CDT	River Flood Warning	LCH	Calcasieu	36 days
Aug 13, 11:22 AM CDT	River Flood Warning	LCH	Calcasieu	34 hr
Aug 13, 11:22 AM CDT	River Flood Warning	LCH	Allen	24 hr
Aug 13, 11:22 AM CDT	River Flood Warning	LCH	Beauregard	24 hr
Aug 13, 11:22 AM CDT	River Flood Warning	LCH	Vernon	3 days
Aug 13, 5:26 PM CDT	Special Marine Warning	LCH		64 min
Aug 13, 5:53 PM CDT	Flash Flood Warning	LCH	Acadia, Calcasieu, Cameron, Evangeline, Iberia, Jefferson Davis and 5 more	8 hr
Aug 13, 6:22 PM CDT	Flash Flood Warning	LCH	Allen, Avoyelles, Evangeline, Rapides, Saint Landry, Vernon	7 hr

Nearby

Flash Flood Warnings in Louisiana, 2016 Every 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.