Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 21, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Mar 20, 2012, 2:30 PM CDT for Orange County, Texas. It was in force for 7 hr. 3 reports 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
- Mar 20, 2012, 2:30 PM CDT (19:30 UTC)
- Expired
- Mar 20, 2012, 9:30 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), 79 km from the middle of the area, began a volume at 19:32 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 |
|---|---|---|---|
| Mar 20, 3:08 PM CDT | FLASH FLOOD | 2 Nne Orange, TX | PUBLIC REPORTS WATER COVERING ROAD 1 FOOT DEEP ON THE CORNER OF MEEKS AND INTERNATIONAL AVE. |
| Mar 20, 6:52 PM CDT | FLASH FLOOD | Little Cypress, TX | ROADS FLOODED IN LITTLE CYPRESS. |
| Mar 20, 7:15 PM CDT | HEAVY RAIN 5.64 | Orange, TX | MEASURED AT THE USGS GAUGE IN ORANGE. |
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, 7.5 hours before the alert went out and 80 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.
- Mixed-layer CAPE
- 1368 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 555 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 338 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 8.8
The text
As transmitted, in the capitals the NWS used until 2016.
362
WGUS54 KLCH 201930
FFWLCH
TXC361-202330-
/O.NEW.KLCH.FF.W.0021.120320T1930Z-120320T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
230 PM CDT TUE MAR 20 2012
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN ORANGE COUNTY IN SOUTHEAST TEXAS...
* UNTIL 630 PM CDT
* AT 228 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RAINFALL AMOUNTS OF 2 TO 4 INCHES HAVE FALLEN OVER
THE PAST COUPLE OF HOURS ACROSS NORTHERN ORANGE COUNTY. ONE TO TWO
INCHES CAN BE EXPECTED THROUGH 230 PM.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MAURICEVILLE...VIDOR...FOREST HEIGHTS...LAKEVIEW...PINE FOREST AND
ROSE CITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 3024 9412 3024 9370 3009 9376 3008 9408
3010 9409 3012 9407 3013 9409 3019 9411
3021 9410 3022 9411
$$1 follow-up statement
899
WGUS54 KLCH 202328
FFWLCH
TXC361-210230-
/O.EXT.KLCH.FF.W.0021.000000T0000Z-120321T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
628 PM CDT TUE MAR 20 2012
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
NORTHERN ORANGE COUNTY IN SOUTHEAST TEXAS...
* UNTIL 930 PM CDT
* AT 623 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATE
THAT THE HEAVIER RAINS HAVE MOVED EAST OF THE WARNED AREA. WHILE
HEAVIER RAINS HAVE ENDED...RADAR RAINFALL ESTIMATES OF 3 TO 4
INCHES HAVE FALLEN OVER THE PAST 6 HOURS AND RUNOFF IS NOT YET
COMPLETE. SOME OF THE BAYOUS THAT MAY CONTINUE TO RISE AND FLOOD
ARE COW BAYOU AND ADAMS BAYOU NEAR MAURICEVILLE. AS WELL AS
COLE CREEK AND TIGER CREEK.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MAURICEVILLE...ORANGE...VIDOR...FOREST HEIGHTS...LAKEVIEW...PINE
FOREST AND ROSE CITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 3024 9412 3024 9370 3009 9376 3008 9408
3010 9409 3012 9407 3013 9409 3019 9411
3021 9410 3022 9411
$$The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 11:12 AM CDT | Areal Flood Advisory | LCH | Hardin, Jasper, Tyler | 3 hr |
| Mar 20, 11:32 AM CDT | Flash Flood Warning | LCH | Hardin, Jefferson | 3 hr |
| Mar 20, 11:58 AM CDT | Areal Flood Advisory | LCH | Jefferson | 2 hr |
| Mar 20, 12:40 PM CDT | Areal Flood Advisory | LCH | Jasper | 3 hr |
| Mar 20, 12:56 PM CDT | Flash Flood Warning | LCH | Jefferson | 3 hr |
| Mar 20, 1:23 PM CDT | Flash Flood Warning | LCH | Jasper | 7 hr |
| Mar 20, 1:32 PM CDT | Areal Flood Advisory | LCH | Jasper, Newton | 3 hr |
| Mar 20, 2:07 PM CDT | Flash Flood Warning | LCH | Jasper, Newton | 3 hr |
| Mar 20, 2:27 PM CDT | Flash Flood Warning | LCH | Jasper, Newton | 5 hr |
| Mar 20, 3:18 PM CDT | Flash Flood Warning | LCH | Orange | 6 hr |
| Mar 20, 6:53 PM CDT | Flash Flood Warning | LCH | Jasper, Newton | 2 hr |
Nearby
Flash Flood Warnings in Texas, 2012Every 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.