Alert archive / Texas / Areal Flood Warnings in 2016

Areal Flood Warning 9, NWS Lake Charles, LA

April 19, 2016Orange County, Texas

NWS Lake Charles, LA issued this areal flood warning at Apr 19, 2016, 1:16 PM CDT for Orange County, Texas. It was in force for 24 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 19, 2016, 1:16 PM CDT (18:16 UTC)
Expired
Apr 20, 2016, 1:15 PM CDT
In force
24 hr
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Flood severity
None

County Orange County, TX

The radar

The Lake Charles radar (KLCH), 65 km from the middle of the area, began a volume at 18:16 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

Shreveport, LA (KBAD), launched 12:00Z, 6.3 hours before the alert went out and 263 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, Shreveport, LA at 12:00Z on 2016-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 62 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, Shreveport, LA at 12:00Z on 2016-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.193958Sfc1 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
62 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
508 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal 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 areal flood warning went out at Apr 19, 1:04 PM CDT, 12 minutes earlier.

Area forecast discussion, Apr 19, 1:04 PM CDT, 12 minutes before
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Hazardous weather outlook, Apr 19, 4:25 AM CDT, 8 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
425 AM CDT TUE APR 19 2016

GMZ435-LAZ027>033-041>045-052>055-073-074-TXZ180-201-215-216-
259>262-200930-
VERMILION BAY-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-
425 AM CDT TUE APR 19 2016

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

.DAY ONE...TODAY AND TONIGHT
RAINS HAVE TAPERED OFF THIS MORNING AS THE ATMOSPHERE TAKES A
BREATHER. LOOKING FOR STORMS TO REDEVELOP LATE THIS MORNING INTO
THE AFTERNOON HOURS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
STORM ACTIVITY ENDING LATE THURSDAY INTO FRIDAY MORNING.

.SPOTTER INFORMATION STATEMENT...
STRONGER STORMS TODAY MAY PRODUCE FLASH FLOODING.

GMZ430-432-450-452-455-470-472-475-200930-
SABINE LAKE-CALCASIEU LAKE-
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-
425 AM CDT TUE APR 19 2016

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

.DAY ONE...TODAY AND TONIGHT
WINDS TO DIMINISH THIS MORNING BUT CHANCES FOR STORMS TO
CONTINUE. STORMS EXPECTED DURING THE LATE MORNING TO AFTERNOON
TIMEFRAME. CLOUD TO WATER LIGHTNING AND GUSTY WINDS WILL
ACCOMPANY THESE STORMS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
STORM ACTIVITY ENDING LATE THURSDAY INTO FRIDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 18, 7:08 PM CDTSpecial Weather StatementLCHAcadia, Allen, Beauregard, Calcasieu, Cameron, Evangeline and 1 more82 min
Apr 18, 7:09 PM CDTSpecial Marine WarningLCH111 min
Apr 18, 7:39 PM CDTAreal Flood WarningLCHCalcasieu, Cameron12 hr
Apr 18, 9:06 PM CDTSpecial Marine WarningLCH54 min
Apr 18, 10:18 PM CDTCoastal Flood WarningLCH9 hr
Apr 18, 8:14 PM CDTAreal Flood WarningLCHJasper, Newton12 hr
Apr 19, 7:32 AM CDTAreal Flood WarningLCHOrange6 hr
Apr 19, 3:40 PM CDTFlash Flood WarningLCHJasper, Newton3 hr
Apr 19, 4:42 PM CDTFlash Flood WarningLCHHardin4 hr

Nearby

Areal Flood Warnings in Texas, 2016Every areal 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.