Alert archive / Oklahoma / Flash Flood Warnings in 2015

Flash Flood Warning 23, NWS Tulsa, OK

May 9, 2015Latimer County, LeFlore County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 9, 2015, 11:08 PM CDT for Latimer County, LeFlore County, Oklahoma. It was in force for 6 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: May 9, 2015, 11:08 PM CDT (04:08 UTC)
Expired: May 10, 2015, 5:00 AM CDT
In force: 6 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Flood severity: None

Counties Latimer County, OK, LeFlore County, OK

The radar

The Western Arkansas radar (KSRX), 71 km from the middle of the area, began a volume at 04:11 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

Norman, OK (KOUN), launched 00:00Z, 4.1 hours before the alert went out and 222 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: 308 J/kg
Mixed-layer CIN: -128 J/kg
Mixed-layer LCL: 765 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 279 m²/s²
0-3 km storm-relative helicity: 401 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

976 
WGUS54 KTSA 100408
FFWTSA
OKC077-079-101000-
/O.NEW.KTSA.FF.W.0023.150510T0408Z-150510T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
1108 PM CDT SAT MAY 9 2015

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LATIMER COUNTY IN SOUTHEAST OKLAHOMA...
  NORTHERN LE FLORE COUNTY IN SOUTHEAST OKLAHOMA...

* UNTIL 500 AM CDT

* AT 1107 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. 1 TO 2    
  INCHES OF RAINFALL HAS ALREADY OCCURRED WITH AN ADDITIONAL 1 TO 2  
  INCHES POSSIBLE.

  STREET FLOODING HAS BEEN REPORTED IN POTEAU AND SEVERAL LOW WATER 
  CROSSINGS ARE IMPASSABLE IN PARTS OF NORTHERN LE FLORE COUNTY.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  POTEAU...WILBURTON...BENGAL...CAMERON...DAMON...FANSHAWE...
  HEAVENER...HEAVENER RUNESTONE STATE PARK...HOWE...LAKE WISTER STATE
  PARK...RED OAK...TALIHINA...TALIMENA STATE PARK AND WISTER.

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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 3468 9523 3489 9547 3506 9504 3506 9493
      3508 9492 3515 9444 3493 9445 3468 9519

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 7:29 PM CDT	Special Weather Statement	TSA	Sequoyah	46 min
May 9, 7:45 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Sequoyah	45 min
May 9, 7:54 PM CDT	Flash Flood Warning	TSA	Adair, Cherokee, Haskell, LeFlore, Sequoyah	6 hr
May 9, 9:17 PM CDT	River Flood Warning	TSA	Pushmataha	71 hr
May 9, 9:22 PM CDT	Special Weather Statement	TSA	Latimer	38 min
May 9, 10:29 PM CDT	Flash Flood Warning	TSA	Latimer, McIntosh, Pittsburg	6 hr
May 9, 10:30 PM CDT	Special Weather Statement	TSA	Latimer	45 min
May 9, 10:50 PM CDT	Areal Flood Advisory	TSA	Haskell, Latimer, LeFlore	115 min
May 9, 11:10 PM CDT	Special Weather Statement	TSA	Pittsburg	50 min
May 9, 11:12 PM CDT	River Flood Warning	TSA	LeFlore	5 days
May 9, 11:12 PM CDT	River Flood Warning	TSA	LeFlore	63 hr
May 9, 11:18 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Pittsburg	45 min
May 10, 12:05 AM CDT	Special Weather Statement	TSA	Haskell	40 min
May 10, 12:29 AM CDT	Flash Flood Warning	TSA	Haskell, Latimer, McIntosh, Muskogee, Pittsburg, Sequoyah	4 hr
May 10, 12:49 AM CDT	Special Weather Statement	TSA	Haskell, Latimer, Sequoyah	56 min
May 10, 1:42 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Sequoyah	48 min
May 10, 1:57 AM CDT	Flash Flood Warning	TSA	Adair, Cherokee, Haskell, LeFlore, Sequoyah	3 hr
May 10, 4:27 AM CDT	Areal Flood Warning	TSA	Haskell, Latimer, McIntosh, Muskogee, Pittsburg, Sequoyah	6 hr
May 10, 4:57 AM CDT	Areal Flood Warning	TSA	Adair, Cherokee, Haskell, Latimer, LeFlore, Sequoyah	6 hr
May 10, 5:22 AM CDT	River Flood Warning	TSA	Sequoyah	20 hr
May 10, 7:54 AM CDT	Special Weather Statement	TSA	Creek, Okfuskee, Okmulgee	66 min
May 10, 8:00 AM CDT	Flash Flood Warning	TSA	Creek, Okfuskee, Okmulgee	6 hr
May 10, 8:35 AM CDT	Flash Flood Warning	TSA	Creek, Osage, Pawnee, Tulsa	6 hr
May 10, 8:37 AM CDT	Severe Thunderstorm Warning	TSA	Latimer, McIntosh, Pittsburg	53 min
May 10, 8:44 AM CDT	Flash Flood Warning	TSA	Haskell, Latimer, McIntosh, Muskogee, Okmulgee, Pittsburg and 1 more	6 hr
May 10, 8:45 AM CDT	Special Weather Statement	TSA	Choctaw, Pushmataha	60 min
May 10, 8:55 AM CDT	River Flood Warning	TSA	Choctaw	55 hr
May 10, 8:57 AM CDT	River Flood Warning	TSA	Okmulgee	6 days
May 10, 9:01 AM CDT	Special Weather Statement	TSA	Okmulgee, Tulsa	44 min
May 10, 9:10 AM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Okmulgee, Wagoner	50 min
May 10, 9:19 AM CDT	Tornado Warning	TSA	Latimer, Pittsburg	26 min
May 10, 9:25 AM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Haskell, Latimer, LeFlore, McIntosh, Muskogee and 3 more	65 min
May 10, 9:32 AM CDT	River Flood Advisory	TSA	Ottawa	45 hr
May 10, 9:41 AM CDT	Flash Flood Warning	TSA	Mayes, Rogers, Tulsa, Wagoner	4 hr
May 10, 9:43 AM CDT	Tornado Warning	TSA	Latimer, LeFlore	32 min
May 10, 9:46 AM CDT	Special Weather Statement	TSA	Cherokee, Mayes, Muskogee, Wagoner	59 min
May 10, 9:48 AM CDT	Flash Flood Warning	TSA	Adair, Cherokee, Haskell, Latimer, LeFlore, Muskogee and 1 more	6 hr
May 10, 9:52 AM CDT	River Flood Advisory	TSA	Cherokee	71 hr
May 10, 10:27 AM CDT	Severe Thunderstorm Warning	TSA	Adair, LeFlore, Sequoyah	48 min
May 10, 10:51 AM CDT	Tornado Warning	TSA	LeFlore	24 min
May 10, 11:03 AM CDT	Special Weather Statement	TSA	Ottawa	72 min
May 10, 12:13 PM CDT	Special Weather Statement	TSA	Haskell, Latimer, Pittsburg	107 min
May 10, 1:21 PM CDT	Areal Flood Warning	TSA	Creek, Haskell, Latimer, McIntosh, Mayes, Muskogee and 5 more	24 hr
May 10, 2:52 PM CDT	Areal Flood Warning	TSA	Adair, Cherokee, Haskell, Latimer, LeFlore, Muskogee and 1 more	24 hr
May 10, 4:10 PM CDT	Special Weather Statement	TSA	Pittsburg	35 min
May 10, 5:52 PM CDT	Flash Flood Warning	TSA	Haskell, Latimer, LeFlore, Pittsburg, Pushmataha	6 hr
May 10, 5:59 PM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	46 min
May 10, 6:10 PM CDT	Tornado Warning	TSA	Pushmataha	35 min
May 10, 6:36 PM CDT	Tornado Warning	TSA	Pittsburg, Pushmataha	39 min
May 10, 6:52 PM CDT	Tornado Warning	TSA	Latimer, Pittsburg, Pushmataha	38 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.