Alert archive / Arkansas / Flash Flood Warnings in 2016

Flash Flood Warning 16, NWS Tulsa, OK

July 9, 20164 counties in Arkansas

NWS Tulsa, OK issued this flash flood warning at Jul 9, 2016, 2:06 AM CDT for 4 counties in 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: Jul 9, 2016, 2:06 AM CDT (07:06 UTC)
Expired: Jul 9, 2016, 6:00 AM CDT
In force: 4 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Flood severity: None

Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR

The radar

The Western Arkansas radar (KSRX), 97 km from the middle of the area, began a volume at 07:08 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 00:00Z, 7.1 hours before the alert went out and 100 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: 2237 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 987 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: -6 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

As transmitted.

081 
WGUS54 KTSA 090706
FFWTSA
ARC007-015-087-143-091100-
/O.NEW.KTSA.FF.W.0016.160709T0706Z-160709T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
206 AM CDT SAT JUL 9 2016

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MADISON COUNTY IN NORTHWESTERN ARKANSAS...
  CARROLL COUNTY IN NORTHWESTERN ARKANSAS...
  BENTON COUNTY IN NORTHWESTERN ARKANSAS...
  WASHINGTON COUNTY IN NORTHWESTERN ARKANSAS...

* UNTIL 600 AM CDT

* AT 205 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. 1 TO 3 INCHES OF RAIN HAVE
  FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
  FAYETTEVILLE...                   SPRINGDALE...
  ROGERS...                         BENTONVILLE...
  SILOAM SPRINGS...                 BERRYVILLE...
  HUNTSVILLE...                     EUREKA SPRINGS...
  BELLA VISTA...                    LOWELL...
  FARMINGTON...                     PEA RIDGE...
  PRAIRIE GROVE...                  GENTRY...
  GREEN FOREST...                   ELKINS...
  TONTITOWN...                      BETHEL HEIGHTS...
  GRAVETTE...                       WEST FORK...

ADDITIONAL RAINFALL AMOUNTS OF 1-2 INCHES ARE POSSIBLE IN THE WARNED
AREA.

THIS INCLUDES INTERSTATE 49 BETWEEN MILE MARKERS 41 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.

&&

LAT...LON 3612 9348 3608 9348 3608 9345 3597 9345
      3592 9351 3576 9352 3577 9391 3576 9391
      3577 9412 3575 9414 3576 9449 3650 9459
      3650 9330 3612 9330

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 9:24 PM CDT	Special Weather Statement	TSA	Crawford	36 min
Jul 8, 10:10 PM CDT	Special Weather Statement	TSA	Crawford	35 min
Jul 8, 10:21 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin	39 min
Jul 8, 10:41 PM CDT	Special Weather Statement	TSA	Washington	34 min
Jul 8, 10:49 PM CDT	Special Weather Statement	TSA	Franklin	41 min
Jul 8, 11:20 PM CDT	Special Weather Statement	TSA	Madison	40 min
Jul 8, 11:38 PM CDT	Special Weather Statement	TSA	Madison	52 min
Jul 8, 11:55 PM CDT	Areal Flood Advisory	TSA	Benton, Madison, Washington	3 hr
Jul 9, 8:48 AM CDT	Areal Flood Advisory	TSA	Franklin, Sebastian	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.