Alert archive / Louisiana / River Flood Warnings in 2009

River Flood Warning 24, NWS Lake Charles, LA

April 20, 20094 parishes in Louisiana

NWS Lake Charles, LA issued this river flood warning at Apr 20, 2009, 10:01 AM CDT for 4 parishes in Louisiana. It took effect at Apr 21, 2009, 4:59 AM CDT. It was in force for 40 hr.

The area

The counties it named.

The facts

Issued: Apr 20, 2009, 10:01 AM CDT (15:01 UTC)
In effect from: Apr 21, 2009, 4:59 AM CDT
Expired: Apr 22, 2009, 9:16 PM CDT
In force: 40 hr
Issued by: NWS Lake Charles, LA
Flood severity: Minor

Counties Acadia Parish, LA, Allen Parish, LA, Evangeline Parish, LA, Jefferson Davis Parish, LA

The radar

The Lake Charles radar (KLCH), 70 km from the middle of the area, began a volume at 15:01 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 river

Written for the forecast point Bayou Nezpique at Basile (BSLL1). The gauge peaked at 22.22 ft at Apr 21, 2009, 6:00 PM CDT.

Action stage: 22 ft
Minor stage: 22 ft
Moderate stage: 24 ft
Major stage: 28 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 08012000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lake Charles, LA wrote its last area forecast discussion before this river flood warning went out at Apr 19, 3:18 PM CDT, 18 hours 43 minutes earlier.

Area forecast discussion, Apr 19, 3:18 PM CDT, 18 hours 43 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 9:49 PM CDT	Small Craft Advisory	LCH		5 hr

Nearby

River Flood Warnings in Louisiana, 2009 Every river flood warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.