Alert archive / Oklahoma / Flash Flood Warnings in 2015

Flash Flood Warning 92, NWS Tulsa, OK

June 18, 20154 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jun 18, 2015, 1:15 PM CDT for 4 counties in Oklahoma. It was in force for 6 hr. 4 reports 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: Jun 18, 2015, 1:15 PM CDT (18:15 UTC)
Expired: Jun 18, 2015, 7:00 PM CDT
In force: 6 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Flood severity: None

Counties Creek County, OK, McIntosh County, OK, Okfuskee County, OK, Okmulgee County, OK

The radar

The Tulsa radar (KINX), 91 km from the middle of the area, began a volume at 18:14 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

Time	Report	Where	Remark
Jun 18, 1:15 PM CDT	FLASH FLOOD	Okmulgee, OK	ONGOING FLOODING...NUMEROUS SECONDARY ROADS CLOSED DUE TO HIGH WATER.
Jun 18, 6:00 PM CDT	HEAVY RAIN 2.41	Okemah, OK	TOTAL RAINFALL SINCE MIDNIGHT.
Jun 18, 6:00 PM CDT	HEAVY RAIN 2.82	Hectorville, OK	TOTAL RAINFALL SINCE MIDNIGHT.
Jun 18, 6:00 PM CDT	HEAVY RAIN 3.92	Bristow, OK	TOTAL RAINFALL SINCE MIDNIGHT.

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 12:00Z, 6.3 hours before the alert went out and 122 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: 74 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 523 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

914 
WGUS54 KTSA 181815
FFWTSA
OKC037-091-107-111-190000-
/O.NEW.KTSA.FF.W.0092.150618T1815Z-150619T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
115 PM CDT THU JUN 18 2015

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  OKFUSKEE COUNTY IN EAST CENTRAL OKLAHOMA...
  OKMULGEE COUNTY IN NORTHEAST OKLAHOMA...
  SOUTHERN CREEK COUNTY IN NORTHEAST OKLAHOMA...
  WESTERN MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA...

* UNTIL 700 PM CDT

* AT 114 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
HEAVY RAIN ACROSS THE WARNED AREA. 5 TO 6 INCHES OF RAINFALL HAS 
ALREADY OCCURRED OVER THE PAST 24 HOURS WITH AN ADDITIONAL 1 TO 2 
INCHES POSSIBLE THROUGH THE AFTERNOON. NUMEROUS SECONDARY ROADS
ARE IMPASSABLE DUE TO HIGH WATER.   

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO   
OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...  
BRISTOW...OKEMAH...OKMULGEE...BALD HILL...BEARDEN...BEGGS...  
BOLEY...CASTLE...CLEARVIEW...DEPEW...DEWAR...GRAYSON...HANNA...  
HENRYETTA...HOFFMAN...MORRIS...OKFUSKEE...OKMULGEE STATE PARK...  
PADEN...PHAROAH...PRESTON...RAIFORD...SCHULTER...SLICK...STIDHAM...  
VIVIAN...WELEETKA...WELTY AND WILSON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.

&&

LAT...LON 3584 9662 3586 9577 3573 9577 3572 9572
      3556 9571 3555 9569 3525 9562 3518 9575
      3520 9580 3515 9598 3529 9599 3528 9643
      3545 9645 3545 9655 3540 9655 3540 9663

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 7:16 PM CDT	Severe Thunderstorm Warning	TSA	Creek	24 min
Jun 17, 7:56 PM CDT	River Flood Warning	TSA	Ottawa	65 hr
Jun 17, 8:25 PM CDT	River Flood Warning	TSA	Adair	59 hr
Jun 17, 8:26 PM CDT	River Flood Warning	TSA	Rogers, Tulsa	56 hr
Jun 17, 8:32 PM CDT	Special Weather Statement	TSA	Adair	43 min
Jun 17, 8:34 PM CDT	River Flood Advisory	TSA	Cherokee, Delaware	42 hr
Jun 17, 8:38 PM CDT	River Flood Advisory	TSA	Tulsa	36 hr
Jun 17, 9:16 PM CDT	Special Weather Statement	TSA	Cherokee	44 min
Jun 17, 10:05 PM CDT	Special Weather Statement	TSA	Mayes	40 min
Jun 18, 1:27 AM CDT	Flash Flood Warning	TSA	Creek, McIntosh, Okfuskee, Okmulgee	6 hr
Jun 18, 1:47 AM CDT	Areal Flood Advisory	TSA	Creek, Nowata, Osage, Pawnee, Rogers, Tulsa and 2 more	6 hr
Jun 18, 1:49 AM CDT	Areal Flood Advisory	TSA	Latimer, Pushmataha	4 hr
Jun 18, 3:42 AM CDT	River Flood Warning	TSA	Ottawa	3 days
Jun 18, 7:16 AM CDT	Flash Flood Warning	TSA	Creek, McIntosh, Okfuskee, Okmulgee	6 hr
Jun 18, 8:31 AM CDT	Flash Flood Warning	TSA	Creek, Tulsa	6 hr
Jun 18, 8:44 AM CDT	Areal Flood Advisory	TSA	Adair, Cherokee, Haskell, McIntosh, Mayes, Muskogee and 2 more	2 hr
Jun 18, 9:02 AM CDT	River Flood Warning	TSA	Osage, Tulsa	46 hr
Jun 18, 9:02 AM CDT	River Flood Warning	TSA	Tulsa	50 hr
Jun 18, 9:23 AM CDT	River Flood Warning	TSA	Sequoyah	53 hr
Jun 18, 9:47 AM CDT	Flash Flood Warning	TSA	Adair, Cherokee, Delaware, Haskell, McIntosh, Mayes and 4 more	8 hr
Jun 18, 9:58 AM CDT	Areal Flood Warning	TSA	Creek, Osage, Pawnee, Tulsa	12 hr
Jun 18, 9:59 AM CDT	Flash Flood Warning	TSA	Haskell, Latimer, Pittsburg	8 hr
Jun 18, 10:49 AM CDT	Flash Flood Warning	TSA	Craig, Delaware, Mayes, Nowata, Rogers, Tulsa and 1 more	6 hr
Jun 18, 2:14 PM CDT	Flash Flood Warning	TSA	Creek, Tulsa	6 hr
Jun 18, 2:31 PM CDT	Flash Flood Warning	TSA	Craig, Nowata, Ottawa, Washington	6 hr
Jun 18, 4:29 PM CDT	Flash Flood Warning	TSA	Craig, Delaware, Mayes, Nowata, Rogers, Tulsa and 1 more	4 hr
Jun 18, 5:51 PM CDT	Flash Flood Warning	TSA	Adair, Cherokee, Delaware, Haskell, McIntosh, Mayes and 4 more	3 hr
Jun 18, 6:10 PM CDT	Areal Flood Advisory	TSA	Haskell, Latimer, LeFlore, Pittsburg, Sequoyah	110 min
Jun 18, 6:36 PM CDT	Areal Flood Warning	TSA	Creek, McIntosh, Muskogee, Okfuskee, Okmulgee, Osage and 4 more	24 hr

Nearby

Flash Flood Warnings in Oklahoma, 2015 Every flash flood warning in 2015

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.