Alert archive / Texas / Flash Flood Warnings in 2012

Flash Flood Warning 1, NWS Lake Charles, LA

January 25, 20124 counties in Texas

NWS Lake Charles, LA issued this flash flood warning at Jan 25, 2012, 3:03 PM CST for 4 counties in Texas. It was in force for 3 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: Jan 25, 2012, 3:03 PM CST (21:03 UTC)
Expired: Jan 25, 2012, 6:00 PM CST
In force: 3 hr
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Flood severity: None

Counties Jasper County, TX, Jefferson County, TX, Newton County, TX, Orange County, TX

The radar

The Lake Charles radar (KLCH), 80 km from the middle of the area, began a volume at 21:04 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
Jan 25, 3:20 PM CST	FLASH FLOOD	Beaumont, TX	BEAUMONT ENTERPRISE REPORTS WATER ACCUMULATION ON EASTEX FREEWAY AT E. LUCAS MAKING THE ROAD IMPASSABLE. UNDERPASSES ARE ALSO BECOMING IMPASSABLE ALONG PARK STREET AT VIRGINIA AS WELL AS MLK PKWY AT VIRGINIA, LAVACA AND COLLEGE.

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, 9.1 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 28 J/kg
Mixed-layer CIN: -201 J/kg
Mixed-layer LCL: 576 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 241 m²/s²
0-3 km storm-relative helicity: 341 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

121 
WGUS54 KLCH 252103
FFWLCH
TXC241-245-351-361-260000-
/O.NEW.KLCH.FF.W.0001.120125T2103Z-120126T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
303 PM CST WED JAN 25 2012

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JEFFERSON COUNTY IN SOUTHEAST TEXAS...
  ORANGE COUNTY IN SOUTHEAST TEXAS...
  SOUTHEASTERN JASPER COUNTY IN SOUTHEAST TEXAS...
  SOUTHWESTERN NEWTON COUNTY IN SOUTHEAST TEXAS...

* UNTIL 600 PM CST

* AT 252 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAINFALL FROM NEAR BUNA AND          
  DEWEYVILLE...EXTENDING SOUTHWEST THROUGH THE VIDOR AND BEAUMONT    
  AREAS. RAINFALL OF 2 TO 4 INCHES HAS BEEN REPORTED.    

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BEAUMONT...BUNA...CENTRAL GARDENS...DEWEYVILLE...EVADALE...
  GROVES...HAMSHIRE...MAURICEVILLE...NEDERLAND...PORT NECHES...
  VIDOR...BEVIL OAKS...CHINA...DEVILS POCKET...FANNETT...GIST...
  HARTBURG...LA BELLE...LAKEVIEW...OLD SALEM...ORANGEFIELD...PINE
  FOREST...PORT ACRES...ROSE CITY...SOUTHEAST TEXAS REGIONAL
  AIRPORT...WEISS BLUFF AND WRIGHTS SETTLEMENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE WARNED 
AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

&&

LAT...LON 3012 9430 3017 9427 3019 9420 3016 9411
      3026 9410 3028 9412 3034 9408 3043 9410
      3052 9407 3052 9371 3042 9371 3039 9375
      3034 9377 3029 9371 3010 9382 2992 9388
      2970 9403 2968 9436 3010 9437

$$

MM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 25, 2:44 AM CST	Dense Fog Advisory	LCH		5 hr
Jan 25, 5:19 AM CST	Wind Advisory	LCH		13 hr
Jan 25, 10:33 AM CST	Severe Thunderstorm Warning	LCH	Hardin, Jasper, Tyler	57 min
Jan 25, 11:31 AM CST	Severe Thunderstorm Warning	LCH	Jasper, Tyler	59 min
Jan 25, 12:05 PM CST	Tornado Warning	LCH	Hardin, Tyler	25 min
Jan 25, 12:29 PM CST	Tornado Warning	LCH	Jasper, Tyler	31 min
Jan 25, 12:59 PM CST	Tornado Warning	LCH	Jasper, Newton	31 min
Jan 25, 1:29 PM CST	Tornado Warning	LCH	Newton	31 min
Jan 25, 1:51 PM CST	Special Weather Statement	LCH	Jefferson, Orange	54 min
Jan 25, 2:18 PM CST	Areal Flood Advisory	LCH	Jefferson, Orange	117 min
Jan 25, 2:36 PM CST	Severe Thunderstorm Warning	LCH	Jasper, Jefferson, Newton, Orange	54 min
Jan 25, 3:30 PM CST	Severe Thunderstorm Warning	LCH	Newton, Orange	60 min

Nearby

Flash Flood Warnings in Texas, 2012 Every flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.