Alert archive / Arkansas / Flash Flood Warnings in 2016

Flash Flood Warning 19, NWS Tulsa, OK

September 8, 2016Benton County, Arkansas

NWS Tulsa, OK issued this flash flood warning at Sep 8, 2016, 6:24 PM CDT for Benton County, Arkansas. It was in force for 3 hr. 5 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 8, 2016, 6:24 PM CDT (23:24 UTC)
Expired
Sep 8, 2016, 9:15 PM CDT
In force
3 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

County Benton County, AR

The radar

The Springfield radar (KSGF), 109 km from the middle of the area, began a volume at 23:28 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

TimeReportWhereRemark
Sep 8, 6:48 PM CDTHEAVY RAIN 41 E Rogers, ARRELAYED BY SOCIAL MEDIA
Sep 8, 6:49 PM CDTFLASH FLOODBentonville, ARSEVERAL STREETS FLOODED. SOCIAL MEDIA REPORTS WITH PICTURES.
Sep 8, 6:49 PM CDTHEAVY RAIN 3.51 E Rogers, ARMEASURED AT THE ROGERS AIRPORT
Sep 8, 7:06 PM CDTFLASH FLOODBentonville, ARSTREET FLOODING AT 5TH AND MOBERLY IN BENTONVILLE. SOCIAL MEDIA REPORT WITH PICTURE.
Sep 8, 8:09 PM CDTFLASH FLOODRogers, ARFLOODING NEAR VILLAGE ON THE CREEKS APARTMENTS IN ROGERS. SOCIAL MEDIA REPORT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.4 hours before the alert went out and 61 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2016-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 685 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2016-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
685 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
971 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
206 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted.

248 
WGUS54 KTSA 082324
FFWTSA
ARC007-090215-
/O.NEW.KTSA.FF.W.0019.160908T2324Z-160909T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
624 PM CDT THU SEP 8 2016

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN BENTON COUNTY IN NORTHWESTERN ARKANSAS...

* UNTIL 915 PM CDT

* AT 622 PM CDT...TRAINED WEATHER SPOTTERS REPORTED THUNDERSTORMS
  PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. SPOTTER REPORTS OF GREATER 
  THAN 2 INCH PER HOUR RAIN RATES HAVE BEEN REPORTED IN THE BENTONVILLE AND ROGERS
  AREA. PICTURES HAVE COME IN SHOWING FLASH FLOODING IS OCCURRING.

* SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
  SPRINGDALE...                     ROGERS...
  BENTONVILLE...                    BELLA VISTA...
  LOWELL...                         PEA RIDGE...
  BETHEL HEIGHTS...                 CAVE SPRINGS...
  GARFIELD...                       GATEWAY...
  WAR EAGLE...                      HOBBS STATE PARK...
  MILLER...                         CENTERTON...
  AVOCA...                          LARUE...
  BLAND...                          WALNUT HILL...
  HILL TOP...                       HEALING SPRINGS...

THIS INCLUDES INTERSTATE 49 BETWEEN MILE MARKERS 76 AND 84...AND
BETWEEN MILE MARKERS 86 AND 93.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

&&

LAT...LON 3624 9387 3622 9428 3650 9427 3650 9387
      3639 9387 3639 9388 3638 9389 3638 9388
      3637 9388 3637 9387

$$

LACY
1 follow-up statement
040 
WGUS74 KTSA 090009
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
709 PM CDT THU SEP 8 2016

ARC007-090215-
/O.CON.KTSA.FF.W.0019.000000T0000Z-160909T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BENTON AR-
709 PM CDT THU SEP 8 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
NORTHEASTERN BENTON COUNTY...

AT 706 PM CDT...PUBLIC REPORTS OF OVER 4 INCHES OF RAIN HAS BEEN
RECEIVED IN BENTON COUNTY...ON THE EAST SIDE OF ROGERS. PICTURES
COMING IN OVER SOCIAL MEDIA INDICATE THAT FLASH FLOODING IS
OCCURRING. THE HEAVY RAINFALL HAS ENDED ACROSS BENTON
COUNTY...HOWEVER THE FLOODING WILL LIKELY CONTINUE FOR A COUPLE MORE
HOURS.

SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
SPRINGDALE...                     ROGERS...
BENTONVILLE...                    BELLA VISTA...
LOWELL...                         PEA RIDGE...
BETHEL HEIGHTS...                 CAVE SPRINGS...
GARFIELD...                       GATEWAY...
WAR EAGLE...                      HOBBS STATE PARK...
MILLER...                         CENTERTON...
AVOCA...                          LARUE...
BLAND...                          WALNUT HILL...
HILL TOP...                       HEALING SPRINGS...

THIS INCLUDES INTERSTATE 49 BETWEEN MILE MARKERS 76 AND 84...AND
BETWEEN MILE MARKERS 86 AND 93.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

&&

LAT...LON 3624 9387 3622 9428 3650 9427 3650 9387
      3639 9387 3639 9388 3638 9389 3638 9388
      3637 9388 3637 9387

$$

LACY

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 8, 3:28 PM CDTSpecial Weather StatementTSACarroll32 min
Sep 8, 4:15 PM CDTAreal Flood AdvisoryTSACarroll, Madison3 hr
Sep 8, 5:37 PM CDTAreal Flood AdvisoryTSABenton3 hr
Sep 8, 5:44 PM CDTSpecial Weather StatementTSABenton31 min
Sep 8, 6:07 PM CDTAreal Flood AdvisoryTSACarroll, Madison5 hr
Sep 8, 6:17 PM CDTSpecial Weather StatementTSACarroll28 min

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.