Alert archive / Louisiana / Flash Flood Warnings in 2011
Flash Flood Warning 7, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Sep 3, 2011, 6:04 PM CDT for 4 parishes in Louisiana. It was in force for 6 hr. 1 report 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
- Sep 3, 2011, 6:04 PM CDT (23:04 UTC)
- Expired
- Sep 4, 2011, 12:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Acadia Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Vermilion Parish, LA
The radar
The Lake Charles radar (KLCH), 82 km from the middle of the area, began a volume at 23:04 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 |
|---|---|---|---|
| Sep 3, 7:45 PM CDT | FLASH FLOOD | Egan, LA | EGAN FIRE DEPARTMENT REPORTS STREET FLOODING AT HWY 91 AND 1120 ALONG REAGAN ROAD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.1 hours before the alert went out and 81 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
713
WGUS54 KLCH 032304
FFWLCH
LAC001-053-055-113-040500-
/O.NEW.KLCH.FF.W.0007.110903T2304Z-110904T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
604 PM CDT SAT SEP 3 2011
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ACADIA PARISH IN SOUTHWEST LOUISIANA...
LAFAYETTE PARISH IN SOUTH CENTRAL LOUISIANA...
NORTHERN VERMILION PARISH IN SOUTHWEST LOUISIANA...
SOUTHERN JEFFERSON DAVIS PARISH IN SOUTHWEST LOUISIANA...
* UNTIL MIDNIGHT CDT
* AT 600 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF VERY HEAVY RAINFALL ACROSS THE WARNED AREA. OCCURING IN A
BAND NEAR WELSH TO THE EAST TOWARDS LAFAYETTE. RAINFALL AMOUNTS OF
2 TO 3 INCHES HAS FALLEN IN THE PAST 3 HOURS AS A BAND OF HEAVY
RAIN HAS DEVELOPED JUST TO THE NORTH OF THE CENTER OF TROPICAL
STORM LEE. ADDITIONAL RAINFALL AMOUNTS OF 4 TO 6 INCHES OR MORE IS
POSSIBLE AS THE RAIN BAND IS EXPECTED TO MOVE LITTLE OVER THE NEXT
SEVERAL HOURS.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CARENCRO...CHURCH POINT...CROWLEY...FENTON...IOTA...JENNINGS...
LAFAYETTE...MERMENTAU...RAYNE...SCOTT...WELSH...BRANCH...
BROUSSARD...CANKTON...DUSON...EGAN...EVANGELINE...INDIAN BAYOU...
LYONS POINT...MAXIE...MIRE...MORSE...MOWATA...PINE ISLAND...
RICEVILLE...RIDGE AND SUNSET.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 3001 9262 3004 9262 3004 9281 3006 9298
3009 9289 3015 9289 3036 9296 3037 9217
3030 9214 3037 9207 3037 9198 3028 9195
3026 9197 3023 9194 3019 9198 3018 9191
3008 9195 2998 9244
$$The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 12:55 PM CDT | Tornado Warning | LCH | Acadia, Cameron, Jefferson Davis, Vermilion | 19 min |
| Sep 3, 12:59 PM CDT | Tornado Warning | LCH | Acadia, Lafayette, Vermilion | 31 min |
| Sep 3, 3:00 PM CDT | River Flood Warning | LCH | Lafayette, Vermilion | 23 hr |
| Sep 3, 4:34 PM CDT | Tornado Warning | LCH | Acadia, Jefferson Davis, Vermilion | 26 min |
| Sep 3, 5:27 PM CDT | Tornado Warning | LCH | Acadia, Jefferson Davis | 33 min |
Nearby
Flash Flood Warnings in Louisiana, 2011Every flash flood warning in 2011
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.