Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 25, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Mar 20, 2012, 6:53 PM CDT for Jasper County, Newton County, Texas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 20, 2012, 6:53 PM CDT (23:53 UTC)
- Expired
- Mar 20, 2012, 9:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Jasper County, TX, Newton County, TX
The radar
The Lake Charles radar (KLCH), 64 km from the middle of the area, began a volume at 23:56 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, 11.9 hours before the alert went out and 65 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.
200
WGUS54 KLCH 202353
FFWLCH
TXC241-351-210200-
/O.NEW.KLCH.FF.W.0025.120320T2353Z-120321T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
653 PM CDT TUE MAR 20 2012
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAST CENTRAL JASPER COUNTY IN SOUTHEAST TEXAS...
SOUTHWESTERN NEWTON COUNTY IN SOUTHEAST TEXAS...
* UNTIL 900 PM CDT
* AT 649 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE HEAVIER THUNDERSTORMS HAVE MOVED TO THE EAST OF THE AREA.
HOWEVER RAINFALL ESTIMATES OF 1 TO 4 INCHES HAVE FALLEN OVER THE
PAST 6 HOURS AND RUNOFF IS NOT YET COMPLETE. STORM TOTAL RAINFALL
OF 3 TO 5 INCHES HAVE BEEN ESTIMATED SINCE THE RAIN STARTED.
SOME CREEKS THAT ARE LIKELY FLOODED ARE ADAMS BAYOU AND CYPRESS
CREEK.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CALL...DEWEYVILLE...DEVILS POCKET...OLD SALEM...TROUT CREEK AND
WRIGHTS SETTLEMENT.
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 3065 9391 3065 9368 3059 9369 3057 9373
3054 9374 3052 9371 3042 9371 3039 9375
3034 9377 3034 9375 3033 9375 3029 9372
3027 9373 3024 9386 3025 9390
$$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, 2:30 PM CDT | Flash Flood Warning | LCH | Orange | 7 hr |
| Mar 20, 3:18 PM CDT | Flash Flood Warning | LCH | Orange | 6 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.