Alert archive / Arkansas / Flash Flood Warnings in 2016
Flash Flood Warning 79, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Aug 16, 2016, 10:46 AM CDT for 5 counties in Arkansas. It was in force for 3 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
- Aug 16, 2016, 10:46 AM CDT (15:46 UTC)
- Expired
- Aug 16, 2016, 1:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Columbia County, AR, Hempstead County, AR, Lafayette County, AR, Miller County, AR, Nevada County, AR
The radar
The Shreveport radar (KSHV), 115 km from the middle of the area, began a volume at 15:49 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 |
|---|---|---|---|
| Aug 16, 11:30 AM CDT | FLASH FLOOD | 2 N Stamps, AR | NUMEROUS COUNTY ROADS FLOODED NORTH OF STAMPS...INCLUDING COUNTY ROADS 27...30...31...AND 38. |
| Aug 16, 12:00 PM CDT | FLASH FLOOD | 2 Ene Lewisville, AR | PORTIONS OF COUNTY ROAD 28 BETWEEN STAMPS AND LEWISVILLE IS UNDERWATER. |
| Aug 16, 12:15 PM CDT | FLASH FLOOD | 5 Nnw Bradley, AR | PORTIONS OF COUNTY ROAD 9 IS FLOODED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 3.8 hours before the alert went out and 328 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
- 827 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 788 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- -5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
353 WGUS54 KSHV 161546 FFWSHV ARC027-057-073-091-099-161845- /O.NEW.KSHV.FF.W.0079.160816T1546Z-160816T1845Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 1046 AM CDT TUE AUG 16 2016 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHWESTERN COLUMBIA COUNTY IN SOUTHWESTERN ARKANSAS... LAFAYETTE COUNTY IN SOUTHWESTERN ARKANSAS... EAST CENTRAL MILLER COUNTY IN SOUTHWESTERN ARKANSAS... SOUTHERN NEVADA COUNTY IN SOUTHWESTERN ARKANSAS... SOUTHEASTERN HEMPSTEAD COUNTY IN SOUTHWESTERN ARKANSAS... * UNTIL 145 PM CDT * AT 1043 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED HEAVY RAIN ACROSS THE WARNED AREA. THREE TO OVER FIVE INCHES OF RAIN HAVE FALLEN. LAW ENFORCEMENT HAS BEGUN TO REPORT ROADS WASHING OUT AT A FEW SECONDARY LOW WATER CROSSINGS...WITH ADDITIONAL FLASH FLOODING EXPECTED. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... STAMPS...WALDO...LEWISVILLE...MCNEIL...BUCKNER...ROSSTON... WILLISVILLE...BODCAW...BLUFF CITY...CANFIELD... WHITE OAK LAKE STATE PARK...MOUNT VERNON...CALE...PINEY GROVE... BETHEL...SPIRIT LAKE...GIN CITY...MCKAMIE...FALCON AND LERCH. ADDITIONAL RAINFALL AMOUNTS OF ONE TO THREE INCHES ARE POSSIBLE IN THE WARNED AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED ROADS. FIND AN ALTERNATE ROUTE. PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY. && LAT...LON 3338 9312 3307 9375 3343 9367 3373 9311 $$ VII
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 9:41 AM CDT | Areal Flood Advisory | SHV | Columbia, Hempstead, Lafayette, Miller, Nevada | 3 hr |
| Aug 16, 10:25 AM CDT | River Flood Warning | SHV | Columbia | 13 days |
Nearby
Flash Flood Warnings in Arkansas, 2016Every flash flood warning in 2016
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.