Alert archive / Texas / Areal Flood Warnings in 2012

Areal Flood Warning 27, NWS Lake Charles, LA

July 13, 2012Orange County, Texas

NWS Lake Charles, LA issued this areal flood warning at Jul 13, 2012, 3:04 PM CDT for Orange County, Texas. It was in force for 7 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
Jul 13, 2012, 3:04 PM CDT (20:04 UTC)
Expired
Jul 13, 2012, 9:48 PM CDT
In force
7 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 20:05 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

Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.1 hours before the alert went out and 67 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, Lake Charles Mun, LA at 12:00Z on 2012-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1723 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, Lake Charles Mun, LA at 12:00Z on 2012-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.1939Sfc1 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
1723 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
567 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.1

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 5:32 AM CDTAreal Flood AdvisoryLCHCalcasieu118 min
Jul 13, 6:00 AM CDTAreal Flood AdvisoryLCHVernon105 min
Jul 13, 7:49 AM CDTAreal Flood AdvisoryLCHVernon116 min
Jul 13, 9:18 AM CDTAreal Flood AdvisoryLCHCameron3 hr
Jul 13, 9:55 AM CDTAreal Flood AdvisoryLCHRapides, Vernon3 hr
Jul 13, 6:05 AM CDTFlash Flood WarningLCHHardin, Jefferson, Orange3 hr
Jul 13, 8:56 AM CDTFlash Flood WarningLCHHardin, Jefferson, Orange6 hr
Jul 13, 9:46 AM CDTAreal Flood AdvisoryLCHJasper, Newton, Tyler119 min
Jul 13, 10:33 AM CDTFlash Flood WarningLCHHardin4 hr
Jul 13, 10:44 AM CDTFlash Flood WarningLCHJefferson4 hr
Jul 13, 11:50 AM CDTAreal Flood AdvisoryLCHJasper, Tyler3 hr
Jul 13, 2:52 PM CDTAreal Flood WarningLCHHardin24 hr
Jul 13, 2:57 PM CDTAreal Flood WarningLCHJefferson24 hr

Nearby

Areal Flood Warnings in Texas, 2012Every areal flood warning in 2012

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.