Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 28, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Mar 20, 2012, 9:02 PM CDT for Newton County, Texas. It was in force for 5 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, 9:02 PM CDT (02:02 UTC)
- Expired
- Mar 21, 2012, 2:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Flood severity
- None
County Newton County, TX
The radar
The Lake Charles radar (KLCH), 63 km from the middle of the area, began a volume at 02:05 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
Slidell Radar S, LA (KSIL), launched 00:00Z, 2.0 hours before the alert went out and 390 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
- 1474 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 578 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 239 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 8.0
The text
As transmitted, in the capitals the NWS used until 2016.
126
WGUS54 KLCH 210202
FFWLCH
TXC351-210700-
/O.NEW.KLCH.FF.W.0028.120321T0202Z-120321T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
902 PM CDT TUE MAR 20 2012
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN NEWTON COUNTY IN SOUTHEAST TEXAS...
* UNTIL 200 AM CDT
* AT 859 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. THUNDERSTORMS CONTINUE TO TRAIN OVER THE SAME GENERAL
AREA OF SOUTHEASTERN NEWTON COUNTY. RAINFALL ESTIMATES OVER THE
PAST 6 HOURS RAINFALL ESTIMATES OF 2 TO 5 INCHES HAVE FALLEN. WITH
STORM TOTAL RAINFALL AMOUNTS OF 5 TO 10 INCHES ACROSS EXTREME
SOUTHEASTERN NEWTON COUNTY.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DEWEYVILLE...DEVILS POCKET...HARTBURG...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 9385 3065 9368 3060 9369 3057 9373
3054 9374 3052 9371 3042 9371 3039 9375
3034 9377 3034 9375 3033 9375 3029 9372
3024 9371 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, 7:25 PM CDT | Tornado Warning | LCH | Newton, Orange | 35 min |
| Mar 20, 8:14 PM CDT | River Flood Warning | LCH | Newton, Orange | 26 days |
| Mar 20, 8:43 PM CDT | Areal Flood Warning | LCH | Jasper | 5 hr |
| Mar 20, 8:57 PM CDT | Flash Flood Warning | LCH | Orange | 6 hr |
| Mar 20, 9:26 PM CDT | Flash Flood Warning | LCH | Orange | 5 hr |
| Mar 21, 1:37 AM CDT | Areal Flood Warning | LCH | Jasper, Newton, Orange | 5 hr |
| Mar 21, 2:21 AM CDT | Special Weather Statement | LCH | Sabine | 9 min |
| Mar 21, 5:48 AM CDT | Areal Flood Warning | LCH | Jasper, Newton, Orange, Tyler | 3 days |
| Mar 21, 9:17 AM CDT | River Flood Warning | LCH | Jefferson, Orange | 6 days |
| Mar 21, 9:17 AM CDT | River Flood Warning | LCH | Hardin, Jefferson | 4 days |
| Mar 21, 10:45 AM CDT | River Flood Warning | LCH | Newton | 5 days |
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.