Alert archive / Louisiana / River Flood Warnings in 2017

River Flood Warning 4, NWS Lake Charles, LA

December 31, 2016Lafayette Parish, Vermilion Parish, Louisiana

NWS Lake Charles, LA issued this river flood warning at Dec 31, 2016, 10:39 PM CST for Lafayette Parish, Vermilion Parish, Louisiana. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued: Dec 31, 2016, 10:39 PM CST (04:39 UTC)
Expired: Jan 1, 2017, 10:30 PM CST
In force: 24 hr
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Flood severity: Minor

Counties Lafayette Parish, LA, Vermilion Parish, LA

The radar

The Lake Charles radar (KLCH), 100 km from the middle of the area, began a volume at 04:41 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 Vermilion River at Lafayette - Surrey Street (VLSL1).

Action stage: 10 ft
Minor stage: 10 ft
Moderate stage: 14 ft
Major stage: 16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07386880, 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 Dec 31, 9:30 PM CST, 1 hour 9 minutes earlier.

Area forecast discussion, Dec 31, 9:30 PM CST, 1 hour 9 minutes before

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Hazardous weather outlook, Dec 31, 5:42 AM CST, 16 hours 57 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
542 AM CST SAT DEC 31 2016

LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-259>262-
011145-
VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY-
CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN-
VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-WEST CAMERON-
EAST CAMERON-TYLER-HARDIN-JEFFERSON-ORANGE-NORTHERN JASPER-
NORTHERN NEWTON-SOUTHERN JASPER-SOUTHERN NEWTON-
542 AM CST SAT DEC 31 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
LOUISIANA...SOUTH CENTRAL LOUISIANA...SOUTHWEST LOUISIANA...WEST
CENTRAL LOUISIANA AND SOUTHEAST TEXAS.

.DAY ONE...TODAY AND TONIGHT

POTENTIALLY HEAVY RAIN PRODUCING SHOWERS WILL DEVELOP THIS MORNING
AND PERSIST THROUGH THE DAY. RAIN WILL POTENTIALLY TRAIN OVER THE
SAME AREAS FOR LONG PERIODS OF TIME WHICH COULD LEAD TO FLASH
FLOODING. RAINFALL TOTALS OF 3-5 INCHES CAN BE EXPECTED TODAY AND
TONIGHT WITH LOCALLY HIGHER AMOUNTS POSSIBLE. HEAVY RAIN WILL ALSO
HAVE THE POTENTIAL TO REDUCE VISIBILITIES.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY
HEAVY RAIN PRODUCING SHOWERS AND THUNDERSTORMS WILL CONTINUE
SUNDAY AND MONDAY. RAINFALL TOTALS OF 2-3 INCHES ARE EXPECTED.
THIS RAIN, COMBINED WITH RAIN THAT IS ANTICIPATED SATURDAY COULD
LEAD TO LOCALIZED FLOODING.

IN ADDITION TO THE THREAT OF FLOODING, THERE IS ALSO A SLIGHT RISK
FOR SEVERE WEATHER SUNDAY AND MONDAY WITH DAMAGING WINDS AND LARGE
HAIL BEING THE PRIMARY THREATS. ONE OR TWO TORNADOES CANNOT BE
RULED OUT.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

GMZ430-432-435-450-452-455-470-472-475-011145-
SABINE LAKE-CALCASIEU LAKE-VERMILION BAY-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM-
WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-
WATERS FROM  INTRACOASTAL CITY TO CAMERON LA FROM 20 TO 60 NM-
WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY LA FROM
20 TO 60 NM-
542 AM CST SAT DEC 31 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF GULF OF MEXICO.

.DAY ONE...TODAY AND TONIGHT
AN UPPER LEVEL DISTURBANCE AND AN ASSOCIATED LOW PRESSURE AREA
WILL MOVE THROUGH THE AREA TODAY RESULTING IN NUMEROUS SHOWERS
THAT COULD RESTRICT VISIBILITIES. IN ADDITION, SUSTAINED WINDS OF
20-25 KNOTS WITH GUSTS TO 35 KNOTS CAN BE EXPECTED FROM 20-60 NM
OFFSHORE. A SMALL CRAFT ADVISORY IS IN EFFECT UNTIL SATURDAY
EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

HEAVY RAIN PRODUCING SHOWERS WITH INCREASING THUNDERSTORMS WILL
CONTINUE SUNDAY INTO MONDAY WHICH COULD REDUCE VISIBILITIES. SOME
OF THESE THUNDERSTORMS WILL HAVE THE POTENTIAL TO PRODUCE GUSTY
WINDS AND LARGE HAIL.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

In the hours before

Special weather statement, Dec 31, 5:49 PM CST, 4 hours 50 minutes before

Special Weather Statement
National Weather Service Lake Charles LA
549 PM CST SAT DEC 31 2016

LAZ044-045-052>055-010115-
Lower St. Martin LA-Iberia LA-Upper St. Martin LA-Vermilion LA-
Lafayette LA-St. Mary LA-
549 PM CST SAT DEC 31 2016

...SIGNIFICANT WEATHER ADVISORY FOR VERMILION...NORTHWESTERN ST.
MARTIN...IBERIA...NORTHWESTERN ST. MARY AND SOUTHEASTERN LAFAYETTE
PARISHES UNTIL 715 PM CST...

At 549 PM CST, Doppler radar was tracking strong thunderstorms along
a line extending from near Lake Pelba to 11 miles southeast of
Rockefeller Wildlife Range. Movement was southeast at 15 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Lafayette, New Iberia, Abbeville, Catahoula, Breaux Bridge, Franklin,
St. Martinville, Jeanerette, Kaplan, Forked Island, Intracoastal
City, Cypremort Point, Pecan Island, Avery Island, Broussard,
Youngsville, Baldwin, Erath, Delcambre and Henderson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 2971 9162 2975 9160 2971 9184 2958 9176
      2967 9182 2957 9177 2950 9185 2962 9202
      2961 9205 2952 9198 2953 9199 2958 9205
      2958 9262 2977 9261 3042 9169 3040 9162
      3011 9147 3004 9126
TIME...MOT...LOC 2349Z 307DEG 15KT 3037 9177 2956 9264

Erickson

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 31, 8:51 PM CST	River Flood Warning	LCH	Acadia, Evangeline, Saint Landry	4 days
Dec 31, 8:51 PM CST	River Flood Warning	LCH	Calcasieu	10 days
Dec 31, 8:51 PM CST	River Flood Warning	LCH	Calcasieu	24 hr
Dec 31, 11:00 PM CST	Dense Fog Advisory	LCH	Allen, Avoyelles, Beauregard, Cameron, Evangeline, Lafayette and 4 more	11 hr
Dec 31, 11:00 PM CST	Marine Dense Fog Advisory	LCH		13 hr
Jan 1, 3:46 AM CST	Small Craft Advisory	LCH		38 hr
Jan 1, 8:13 AM CST	River Flood Warning	LCH	Acadia, Jefferson Davis, Vermilion	6 days
Jan 1, 10:17 AM CST	River Flood Warning	LCH	Lafayette, Saint Landry, Saint Martin	3 days
Jan 1, 1:26 PM CST	Areal Flood Advisory	LCH	St. Mary	3 hr

Nearby

River Flood Warnings in Louisiana, 2017 Every river flood warning in 2017

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.