Alert archive / Arkansas / Flash Flood Warnings in 2016

Flash Flood Warning 11, NWS Tulsa, OK

July 1, 2016Benton County, Washington County, Arkansas

NWS Tulsa, OK issued this flash flood warning at Jul 1, 2016, 2:54 PM CDT for Benton County, Washington County, Arkansas. It was in force for 3 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: Jul 1, 2016, 2:54 PM CDT (19:54 UTC)
Expired: Jul 1, 2016, 6:00 PM CDT
In force: 3 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Flood severity: None

Counties Benton County, AR, Washington County, AR

The radar

The Western Arkansas radar (KSRX), 95 km from the middle of the area, began a volume at 19:54 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, 7.9 hours before the alert went out and 93 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 181 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 832 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

482 
WGUS54 KTSA 011954
FFWTSA
ARC007-143-012300-
/O.NEW.KTSA.FF.W.0011.160701T1954Z-160701T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
254 PM CDT FRI JUL 1 2016

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN BENTON COUNTY IN NORTHWESTERN ARKANSAS...
  NORTHERN WASHINGTON COUNTY IN NORTHWESTERN ARKANSAS...

* UNTIL 600 PM CDT

* AT 253 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. 1 TO 3 INCHES OF RAIN HAVE
  FALLEN IN A SHORT AMOUNT OF TIME. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
  FAYETTEVILLE...                   SPRINGDALE...
  ROGERS...                         BENTONVILLE...
  SILOAM SPRINGS...                 LOWELL...
  FARMINGTON...                     GENTRY...
  ELKINS...                         TONTITOWN...
  BETHEL HEIGHTS...                 CAVE SPRINGS...
  DECATUR...                        GREENLAND...
  HIGHFILL...                       SPRINGTOWN...
  CINCINNATI...                     JOHNSON...
  ELM SPRINGS...                    GOSHEN...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES OF RAIN ARE POSSIBLE IN
THE WARNED AREA.

THIS INCLUDES INTERSTATE 49 BETWEEN MILE MARKERS 57 AND 79.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3596 9395 3603 9454 3632 9457 3634 9439
      3622 9396

$$

1 follow-up statement

089 
WGUS74 KTSA 012159
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
459 PM CDT FRI JUL 1 2016

ARC007-143-012300-
/O.CON.KTSA.FF.W.0011.000000T0000Z-160701T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BENTON AR-WASHINGTON AR-
459 PM CDT FRI JUL 1 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
SOUTHWESTERN BENTON AND NORTHERN WASHINGTON COUNTIES...

AT 456 PM CDT...DOPPLER RADAR ESTIMATES THAT BETWEEN 2 AND 3 INCHES
OF RAIN HAS FALLEN IN SPOTS ACROSS BENTON AND WASHINGTON COUNTIES
SINCE MIDDAY. THE BULK OF THE RAINFALL HAS ENDED ACROSS THE WARNED
AREA. HOWEVER...SOME LINGERING FLOODING ISSUES COULD REMAIN FOR A
LITTLE WHILE LONGER.

SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
FAYETTEVILLE...                   SPRINGDALE...
ROGERS...                         BENTONVILLE...
SILOAM SPRINGS...                 LOWELL...
FARMINGTON...                     GENTRY...
ELKINS...                         TONTITOWN...
BETHEL HEIGHTS...                 CAVE SPRINGS...
DECATUR...                        GREENLAND...
HIGHFILL...                       SPRINGTOWN...
CINCINNATI...                     JOHNSON...
ELM SPRINGS...                    GOSHEN...

THIS INCLUDES INTERSTATE 49 BETWEEN MILE MARKERS 57 AND 79.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3596 9395 3603 9454 3632 9457 3634 9439
      3622 9396

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 11:00 PM CDT	Special Weather Statement	TSA	Benton	30 min
Jun 30, 11:50 PM CDT	Special Weather Statement	TSA	Madison	25 min
Jul 1, 2:41 PM CDT	Special Weather Statement	TSA	Washington	34 min
Jul 1, 2:43 PM CDT	Special Weather Statement	TSA	Washington	32 min
Jul 1, 3:14 PM CDT	Special Weather Statement	TSA	Washington	46 min
Jul 1, 3:53 PM CDT	Special Weather Statement	TSA	Madison	37 min
Jul 1, 4:03 PM CDT	Areal Flood Advisory	TSA	Madison, Washington	3 hr
Jul 1, 4:24 PM CDT	Special Weather Statement	TSA	Franklin	36 min
Jul 1, 5:04 PM CDT	Special Weather Statement	TSA	Crawford, Franklin	26 min
Jul 1, 5:21 PM CDT	Areal Flood Advisory	TSA	Franklin	3 hr

Nearby

Flash Flood Warnings in Arkansas, 2016 Every 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.