Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 36, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Aug 31, 2012, 7:29 PM CDT for Angelina County, Nacogdoches County, San Augustine County, Texas. It was in force for 2 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
- Aug 31, 2012, 7:29 PM CDT (00:29 UTC)
- Expired
- Aug 31, 2012, 9:42 PM CDT
- In force
- 2 hr
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Angelina County, TX, Nacogdoches County, TX, San Augustine County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 31, 7:45 PM CDT | FLASH FLOOD | Burke, TX | EXCESSIVE HEAVY RAINFALL RESULTED IN A CREEK OVERFLOWING ITS BANK AND FLOODING PASTURELAND WITH RAPID MOVING WATER NEAR A HOME ALONG OLD DIBOLL HIGHWAY IN BURKE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Shreveport, LA (KBAD), launched 00:00Z, 0.5 hours before the alert went out and 165 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
- 652 J/kg
- Mixed-layer CIN
- -114 J/kg
- Mixed-layer LCL
- 1325 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
963
WGUS54 KSHV 010029
FFWSHV
TXC005-347-405-010315-
/O.NEW.KSHV.FF.W.0036.120901T0029Z-120901T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
729 PM CDT FRI AUG 31 2012
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ANGELINA COUNTY IN EASTERN TEXAS...
THIS INCLUDES THE CITIES OF...LUFKIN...DIBOLL...
SOUTHEASTERN NACOGDOCHES COUNTY IN EASTERN TEXAS...
WEST CENTRAL SAN AUGUSTINE COUNTY IN EASTERN TEXAS...
* UNTIL 1015 PM CDT
* AT 729 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
VERY HEAVY RAIN FROM STRONG THUNDERSTORMS OVER THE WARNED AREA. SURFACE
AND RADAR REPORTS INDICATE THAT TWO TO IN EXCESS OF THREE INCHES HAVE
FALLEN OVER CENTRAL ANGELINA COUNTY NEAR DIBOLL SINCE 6 PM...WITH
ADDITIONAL HEAVY RAINFALL WITH RATES IN EXCESS OF TWO INCHES PER HOUR
CONTINUING TO MOVE REPEATEDLY OVER THE SAME AREAS ALONG AND EAST OF HIGHWAY
59...INCLUDING DIBOLL...BURKE...AND HUNTINGTON. THE HEAVY RAIN WILL SOON
MOVE INTO WESTERN SAN AUGUSTINE COUNTY NEAR BROADDUS...WHICH HAVE ALREADY
SEEN TWO TO FOUR INCHES OF RAIN SINCE MID AFTERNOON. THIS EXCESSIVE HEAVY
RAINFALL OVER ALREADY SATURATED GROUNDS WILL RESULT IN FLASH FLOODING ACROSS
THE WARNED AREA THROUGH MID EVENING.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ETOILE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF ONE TO IN EXCESS OF THREE INCHES ARE POSSIBLE
IN THE WARNED AREA THROUGH 1015 PM.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
&&
LAT...LON 3109 9464 3108 9467 3110 9470 3110 9476
3116 9486 3124 9488 3137 9470 3144 9452
3137 9418 3115 9426 3104 9453
$$
151 follow-up statement
316
WGUS74 KSHV 010242
FFSSHV
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
942 PM CDT FRI AUG 31 2012
TXC005-347-405-010247-
/O.CAN.KSHV.FF.W.0036.000000T0000Z-120901T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NACOGDOCHES TX-SAN AUGUSTINE TX-ANGELINA TX-
942 PM CDT FRI AUG 31 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR ANGELINA...SAN
AUGUSTINE AND NACOGDOCHES COUNTIES...
THE EXCESSIVE HEAVY RAINFALL HAS DIMINISHED ACROSS ANGELINA...SOUTHERN
NACOGDOCHES...AND SOUTHWESTERN SAN AUGUSTINE COUNTY THIS EVENING...AND THE
EXCESSIVE RUNOFF HAS ENDED. HOWEVER...AN AREA OF LIGHT TO MODERATE RAIN WILL
CONTINUE FOR THE NEXT HALF HOUR TO AN HOUR ACROSS SOUTHERN NACOGDOCHES AND
SAN AUGUSTINE COUNTIES...WITH ADDITIONAL RAINFALL AMOUNTS OF UP TO A QUARTER
INCH POSSIBLE. RAINFALL TOTALS OF THREE TO IN EXCESS OF FIVE INCHES HAS
FALLEN THIS AFTERNOON AND EVENING ACROSS MUCH OF THE AREA.
LAT...LON 3109 9464 3108 9467 3110 9470 3110 9476
3116 9486 3124 9488 3137 9470 3144 9452
3137 9418 3115 9426 3104 9453
$$
15The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 4:02 AM CDT | Heat Advisory | SHV | Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more | 15 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.