Alert archive / Arkansas / Flash Flood Warnings in 2017

Flash Flood Warning 47, NWS Tulsa, OK

August 15, 2017Crawford County, Franklin County, Arkansas

NWS Tulsa, OK issued this flash flood warning at Aug 15, 2017, 6:13 AM CDT for Crawford County, Franklin County, Arkansas. It was in force for 3 hr. 1 report 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 15, 2017, 6:13 AM CDT (11:13 UTC)
Expired
Aug 15, 2017, 9:15 AM CDT
In force
3 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

Counties Crawford County, AR, Franklin County, AR

The radar

The Western Arkansas radar (KSRX), 56 km from the middle of the area, began a volume at 11:14 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
Aug 15, 8:14 AM CDTFLASH FLOOD3 N Ozark, ARWATER IN SEVERAL HOMES ALONG HIGHWAY 23 NORTH.

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 00:00Z, 11.2 hours before the alert went out and 157 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 00:00Z on 2017-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 332 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 00:00Z on 2017-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.19395878Sfc1 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
332 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
1045 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
-32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

584 
WGUS54 KTSA 151113
FFWTSA
ARC033-047-151415-
/O.NEW.KTSA.FF.W.0047.170815T1113Z-170815T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
613 AM CDT TUE AUG 15 2017

The National Weather Service in Tulsa has issued a

* Flash Flood Warning for...
  Central Franklin County in west central Arkansas...
  East central Crawford County in northwestern Arkansas...

* Until 915 AM CDT

* At 610 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. 2 to 3 inches of rain have 
  fallen and flash flooding is expected to begin shortly.

* Some locations that may experience flooding include...
  Ozark...                          Mulberry...
  Dyer...                           Altus...
  Denning...                        Wiederkehr Village...
  Cass...                           Jethro...
  Alix...                           Barnes...
  Redding...                        Watalula...
  Pleasant Hill...                  Toney...
  Turners Bend...                   Lonelm...
  Cecil...                          Taft...
  Cravens...                        Paradise...

Additional rainfall amounts of 1 to 3 inches are possible in the 
warned area.

This includes Interstate 40 in Arkansas between mile markers 18 and
42.
 
LAT...LON 3543 9371 3537 9372 3536 9375 3542 9380
      3539 9381 3551 9416 3575 9375 3576 9370

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 3:47 AM CDTAreal Flood AdvisoryTSAFranklin3 hr
Aug 15, 3:56 AM CDTAreal Flood AdvisoryTSASebastian3 hr
Aug 15, 5:10 AM CDTFlash Flood WarningTSAFranklin4 hr
Aug 15, 5:43 AM CDTAreal Flood AdvisoryTSAFranklin3 hr
Aug 15, 8:54 AM CDTAreal Flood WarningTSACrawford, Franklin9 hr
Aug 15, 10:09 AM CDTRiver Flood AdvisoryTSACrawford, Franklin24 hr
Aug 15, 3:30 PM CDTHeat AdvisoryTSA4 hr

Nearby

Flash Flood Warnings in Arkansas, 2017Every flash flood warning in 2017

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.