Alert archive / Arkansas / Flash Flood Warnings in 2016

Flash Flood Warning 22, NWS Tulsa, OK

September 16, 2016Benton County, Arkansas

NWS Tulsa, OK issued this flash flood warning at Sep 16, 2016, 4:24 PM CDT for Benton County, Arkansas. It was in force for 4 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
Sep 16, 2016, 4:24 PM CDT (21:24 UTC)
Expired
Sep 16, 2016, 8:30 PM CDT
In force
4 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

County Benton County, AR

The radar

The Western Arkansas radar (KSRX), 112 km from the middle of the area, began a volume at 21:26 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

Springfield, MO (KSGF), launched 12:00Z, 9.4 hours before the alert went out and 75 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 2016-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1628 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 2016-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 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
1628 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
904 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.2

Open this sounding in Storm Lab

The text

As transmitted.

643 
WGUS54 KTSA 162124
FFWTSA
ARC007-170130-
/O.NEW.KTSA.FF.W.0022.160916T2124Z-160917T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
424 PM CDT FRI SEP 16 2016

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

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

* UNTIL 830 PM CDT

* AT 423 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. 1 TO 3 INCHES OF RAIN HAVE
  FALLEN OVER THE PAST 3 HOURS. FLASH FLOODING IS EXPECTED TO BEGIN
  SHORTLY.

* SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
  SPRINGDALE...                     ROGERS...
  BENTONVILLE...                    SILOAM SPRINGS...
  BELLA VISTA...                    LOWELL...
  PEA RIDGE...                      GENTRY...
  BETHEL HEIGHTS...                 GRAVETTE...
  CAVE SPRINGS...                   DECATUR...
  HIGHFILL...                       GARFIELD...
  GATEWAY...                        SPRINGTOWN...
  HOBBS STATE PARK...               HIWASSE...
  WAR EAGLE...                      MILLER...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA THROUGH 8PM.

THIS INCLUDES INTERSTATE 49 BETWEEN MILE MARKERS 75 AND 84...AND
BETWEEN MILE MARKERS 86 AND 93.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 3624 9387 3621 9427 3622 9433 3616 9434
      3615 9435 3610 9453 3611 9455 3650 9450
      3650 9387 3639 9387 3639 9388 3638 9389
      3637 9387

$$
1 follow-up statement
863 
WGUS74 KTSA 170028
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
728 PM CDT FRI SEP 16 2016

ARC007-170130-
/O.CON.KTSA.FF.W.0022.000000T0000Z-160917T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BENTON AR-
728 PM CDT FRI SEP 16 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
BENTON COUNTY...

AT 726 PM...AREAS OF LIGHT RAIN CONTINUE ACROSS BENTON COUNTY.
DOPPLER RADAR INDICATED EARLIER THUNDERSTORMS PRODUCED HEAVY RAIN
ACROSS THE WARNED AREA WITH LOCALIZED 3 TO 5 INCH AMOUNTS BEING
ESTIMATED. FLASH FLOODING MAY BE ONGOING IN AREAS WHERE THE
HEAVIEST RAIN FELL.

SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
SPRINGDALE...                     ROGERS...
BENTONVILLE...                    SILOAM SPRINGS...
BELLA VISTA...                    LOWELL...
PEA RIDGE...                      GENTRY...
BETHEL HEIGHTS...                 GRAVETTE...
CAVE SPRINGS...                   DECATUR...
HIGHFILL...                       GARFIELD...
GATEWAY...                        SPRINGTOWN...
HOBBS STATE PARK...               HIWASSE...
WAR EAGLE...                      MILLER...

THIS INCLUDES INTERSTATE 49 BETWEEN MILE MARKERS 75 AND 84...AND
BETWEEN MILE MARKERS 86 AND 93.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 3624 9387 3621 9427 3622 9433 3616 9434
      3615 9435 3610 9453 3611 9455 3650 9450
      3650 9387 3639 9387 3639 9388 3638 9389
      3637 9387

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 16, 3:26 PM CDTSpecial Weather StatementTSABenton34 min
Sep 16, 3:51 PM CDTAreal Flood AdvisoryTSABenton3 hr
Sep 16, 4:06 PM CDTSpecial Weather StatementTSABenton39 min
Sep 16, 4:37 PM CDTSpecial Weather StatementTSACarroll38 min
Sep 16, 5:35 PM CDTSpecial Weather StatementTSACarroll40 min
Sep 16, 6:11 PM CDTSevere Thunderstorm WarningTSACrawford, Sebastian49 min
Sep 16, 6:54 PM CDTSpecial Weather StatementTSAFranklin36 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.