Alert archive / Oklahoma / Flash Flood Warnings in 2014
Flash Flood Warning 13, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Sep 11, 2014, 9:07 AM CDT for McCurtain County, Oklahoma; Sevier County, Arkansas. It was in force for 3 hr. 2 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
- Sep 11, 2014, 9:07 AM CDT (14:07 UTC)
- Expired
- Sep 11, 2014, 12:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Sevier County, AR, McCurtain County, OK
The radar
The Western Arkansas radar (KSRX), 133 km from the middle of the area, began a volume at 14:07 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 |
|---|---|---|---|
| Sep 11, 10:00 AM CDT | FLASH FLOOD | De Queen, AR | SEVERAL CITY LIMIT STREETS REMAIN WITH BARACADES THIS AFTERNOON. |
| Sep 11, 10:00 AM CDT | FLASH FLOOD | Eagletown, OK | SEVERAL ROADS WERE UNDERWATER...WITH SWIFT MOVING WATER WASHING A TRUCK OFF THE ROAD. |
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 12:00Z, 2.1 hours before the alert went out and 191 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
- 1035 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 861 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
161
WGUS54 KSHV 111407
FFWSHV
ARC133-OKC089-111700-
/O.NEW.KSHV.FF.W.0013.140911T1407Z-140911T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
907 AM CDT THU SEP 11 2014
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MCCURTAIN COUNTY IN SOUTHEAST OKLAHOMA...
SEVIER COUNTY IN SOUTHWEST ARKANSAS...
THIS INCLUDES THE CITY OF DE QUEEN...
* UNTIL NOON CDT
* AT 902 AM CDT...VERY HEAVY RAIN WAS REPORTED FROM A THUNDERSTORM
OVER THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
GILLHAM...WEST LINE AND EAGLETOWN ALONG US HIGHWAYS 70 AND 59.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA WITH 2 TO 4 ALREADY ON THE GROUND IN THE LAST 3 HOURS.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
&&
LAT...LON 3410 9463 3419 9430 3419 9422 3406 9421
3394 9463
$$
24The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 9:28 AM CDT | Areal Flood Advisory | SHV | McCurtain | 3 hr |
| Sep 11, 9:40 AM CDT | Areal Flood Advisory | SHV | McCurtain | 3 hr |
| Sep 11, 11:59 AM CDT | Areal Flood Advisory | SHV | McCurtain | 2 hr |
Nearby
Flash Flood Warnings in Oklahoma, 2014Flash Flood Warnings in Arkansas, 2014Every flash flood warning in 2014
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.