Alert archive / Oklahoma / Flash Flood Warnings in 2017

Flash Flood Warning 23, NWS Tulsa, OK

May 3, 2017Osage County, Pawnee County, Washington County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 3, 2017, 3:01 AM CDT for Osage County, Pawnee County, Washington County, Oklahoma. It was in force for 6 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
May 3, 2017, 3:01 AM CDT (08:01 UTC)
Expired
May 3, 2017, 9:00 AM CDT
In force
6 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

Counties Osage County, OK, Pawnee County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 112 km from the middle of the area, began a volume at 08:06 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
May 3, 6:37 AM CDTFLASH FLOODDewey, OKROADS FLOODING.

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

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 8.0 hours before the alert went out and 180 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, Norman, OK at 00:00Z on 2017-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 684 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, Norman, OK at 00:00Z on 2017-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
684 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1621 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
263 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.3

Open this sounding in Storm Lab

The text

As transmitted.

548 
WGUS54 KTSA 030801
FFWTSA
OKC113-117-147-031100-
/O.NEW.KTSA.FF.W.0023.170503T0801Z-170503T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
301 AM CDT WED MAY 3 2017

The National Weather Service in Tulsa has issued a

* Flash Flood Warning for...
  Osage County in northeastern Oklahoma...
  Washington County in northeastern Oklahoma...
  Northwestern Pawnee County in northeastern Oklahoma...

* Until 600 AM CDT

* At 301 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. 1 to 2 inches of rain have 
  fallen. Flash flooding is expected to begin shortly.

* Some locations that may experience flooding include...
  Bartlesville...                   Pawhuska...
  Pawnee...                         Hominy...
  Dewey...                          Fairfax...
  Barnsdall...                      Copan...
  Ramona...                         Shidler...
  Wynona...                         Ochelata...
  Ralston...                        Avant...
  Vera...                           Burbank...
  Blackburn...                      Elgin...
  Skedee...                         Grainola...

Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3700 9579 3694 9579 3694 9581 3643 9581
      3633 9702 3651 9703 3655 9690 3658 9689
      3660 9692 3659 9705 3668 9706 3670 9703
      3668 9694 3675 9689 3674 9683 3677 9682
      3678 9675 3700 9675

$$
2 follow-up statements
209 
WGUS54 KTSA 031054
FFWTSA
OKC113-117-147-031400-
/O.EXT.KTSA.FF.W.0023.000000T0000Z-170503T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
554 AM CDT WED MAY 3 2017

The National Weather Service in Tulsa has extended the

* Flash Flood Warning for...
  Osage County in northeastern Oklahoma...
  Washington County in northeastern Oklahoma...
  Northwestern Pawnee County in northeastern Oklahoma...

* Until 900 AM CDT

* At 552 AM CDT, Doppler radar indicated light to moderate rain 
  across the warned area. Radar estimates that between 1 and 3 
  inches of rain has fallen overnight. Flash flooding could be 
  occurring, especially in low lying areas. Low water crossing and 
  small creeks could be flooded.

* Some locations that may experience flooding include...
  Bartlesville...                   Pawhuska...
  Pawnee...                         Hominy...
  Dewey...                          Fairfax...
  Barnsdall...                      Copan...
  Ramona...                         Shidler...
  Wynona...                         Ochelata...
  Ralston...                        Avant...
  Vera...                           Burbank...
  Blackburn...                      Elgin...
  Skedee...                         Grainola...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3700 9579 3694 9579 3694 9581 3643 9581
      3633 9702 3651 9703 3655 9690 3658 9689
      3660 9692 3659 9705 3668 9706 3670 9703
      3668 9694 3675 9689 3674 9683 3677 9682
      3678 9675 3700 9675

$$

Lacy
426 
WGUS74 KTSA 031401
FFSTSA

Flash Flood Statement
National Weather Service Tulsa OK
901 AM CDT WED MAY 3 2017

OKC113-117-147-031409-
/O.EXP.KTSA.FF.W.0023.000000T0000Z-170503T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Osage OK-Washington OK-Pawnee OK-
901 AM CDT WED MAY 3 2017

...THE FLASH FLOOD WARNING FOR OSAGE...WASHINGTON AND NORTHWESTERN
PAWNEE COUNTIES WILL EXPIRE AT 900 AM CDT...

Although some additional light rain will remain possible through 
noon, the heavy rain has ended. Flash flooding is no longer expected 
to pose a threat, but standing high water will remain through much 
of the day. An Areal Flood Warning is now in effect through 3 PM. 
Please continue to heed all road closures and avoid areas of high 
water.

LAT...LON 3700 9579 3694 9579 3694 9581 3643 9581
      3633 9702 3651 9703 3655 9690 3658 9689
      3660 9692 3659 9705 3668 9706 3670 9703
      3668 9694 3675 9689 3674 9683 3677 9682
      3678 9675 3700 9675

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 12:01 AM CDTSpecial Weather StatementTSAPawnee29 min
May 3, 12:29 AM CDTSevere Thunderstorm WarningTSAOsage, Pawnee31 min
May 3, 12:57 AM CDTSevere Thunderstorm WarningTSAOsage48 min
May 3, 1:32 AM CDTSevere Thunderstorm WarningTSAOsage28 min
May 3, 1:33 AM CDTSpecial Weather StatementTSACraig27 min
May 3, 1:57 AM CDTSevere Thunderstorm WarningTSAOsage, Washington33 min
May 3, 1:59 AM CDTSpecial Weather StatementTSAOsage31 min
May 3, 2:03 AM CDTSpecial Weather StatementTSARogers27 min
May 3, 2:19 AM CDTSevere Thunderstorm WarningTSANowata, Rogers, Washington26 min
May 3, 2:45 AM CDTSevere Thunderstorm WarningTSACraig, Mayes, Nowata, Rogers45 min
May 3, 2:49 AM CDTSevere Thunderstorm WarningTSAOsage, Pawnee41 min
May 3, 3:25 AM CDTSpecial Weather StatementTSAOttawa35 min
May 3, 3:30 AM CDTSevere Thunderstorm WarningTSAOsage30 min
May 3, 3:59 AM CDTSevere Thunderstorm WarningTSANowata, Osage, Washington46 min
May 3, 4:06 AM CDTSpecial Weather StatementTSATulsa39 min
May 3, 4:09 AM CDTFlash Flood WarningTSACraig, Nowata, Ottawa5 hr
May 3, 4:18 AM CDTSevere Thunderstorm WarningTSAOsage, Rogers, Tulsa, Washington42 min
May 3, 4:32 AM CDTSevere Thunderstorm WarningTSACraig, Mayes, Nowata, Rogers, Tulsa, Washington43 min
May 3, 4:45 AM CDTSpecial Weather StatementTSACraig, Nowata45 min
May 3, 5:11 AM CDTSpecial Weather StatementTSADelaware, Mayes34 min
May 3, 5:29 AM CDTAreal Flood AdvisoryTSACraig, Mayes, Rogers, Tulsa3 hr
May 3, 5:38 AM CDTSpecial Weather StatementTSADelaware37 min
May 3, 6:30 AM CDTSpecial Weather StatementTSAAdair30 min
May 3, 7:13 AM CDTSpecial Weather StatementTSAPittsburg47 min
May 3, 7:42 AM CDTSpecial Weather StatementTSAMcCurtain48 min
May 3, 7:55 AM CDTSpecial Weather StatementTSAHaskell, Latimer, Pittsburg65 min
May 3, 8:06 AM CDTSevere Thunderstorm WarningTSALeFlore39 min
May 3, 8:25 AM CDTSevere Thunderstorm WarningTSALeFlore35 min
May 3, 8:27 AM CDTSpecial Weather StatementTSASequoyah33 min
May 3, 8:31 AM CDTSevere Thunderstorm WarningTSAHaskell, LeFlore, Sequoyah29 min
May 3, 8:33 AM CDTRiver Flood AdvisoryTSACherokee4 days
May 3, 8:52 AM CDTSevere Thunderstorm WarningTSALeFlore, Sequoyah23 min
May 3, 8:57 AM CDTAreal Flood WarningTSAOsage, Pawnee, Washington6 hr
May 3, 9:00 AM CDTSpecial Weather StatementTSAPushmataha60 min
May 3, 9:02 AM CDTRiver Flood WarningTSAWashington52 hr
May 3, 9:02 AM CDTRiver Flood WarningTSARogers, Tulsa3 days
May 3, 9:09 AM CDTAreal Flood WarningTSACraig, Nowata, Ottawa6 hr
May 3, 10:00 AM CDTRiver Flood WarningTSAOsage17 hr
May 3, 10:00 AM CDTRiver Flood WarningTSAOsage, Tulsa34 hr
May 3, 11:04 AM CDTRiver Flood WarningTSAWashington15 hr
May 3, 12:30 PM CDTSpecial Weather StatementTSAChoctaw45 min
May 3, 1:01 PM CDTSpecial Weather StatementTSAChoctaw29 min
May 3, 1:39 PM CDTRiver Flood WarningTSATulsa42 hr
May 3, 4:11 PM CDTRiver Flood WarningTSAOkmulgee3 days

Nearby

Flash Flood Warnings in Oklahoma, 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.