Alert archive / Oklahoma / Flash Flood Warnings in 2015

Flash Flood Warning 31, NWS Tulsa, OK

May 10, 20155 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 10, 2015, 5:52 PM CDT for 5 counties in 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 10, 2015, 5:52 PM CDT (22:52 UTC)
Expired: May 11, 2015, 12:00 AM CDT
In force: 6 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Flood severity: None

Counties Haskell County, OK, Latimer County, OK, LeFlore County, OK, Pittsburg County, OK, Pushmataha County, OK

What was reported inside it

Time	Report	Where	Remark
May 10, 10:24 PM CDT	FLASH FLOOD	3 W Milton, OK	STATE HIGHWAY 31 FLOODED AT THE HASKEL / LE FLORE COUNTY LINE.

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, 10.9 hours before the alert went out and 184 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: 1564 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 614 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 255 m²/s²
0-3 km storm-relative helicity: 256 m²/s²
Significant tornado parameter: 2.9
Supercell composite: 11.8

Open this sounding in Storm Lab

The text

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

944 
WGUS54 KTSA 102252
FFWTSA
OKC061-077-079-121-127-110500-
/O.NEW.KTSA.FF.W.0031.150510T2252Z-150511T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
552 PM CDT SUN MAY 10 2015

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HASKELL COUNTY IN SOUTHEAST OKLAHOMA...
  LATIMER COUNTY IN SOUTHEAST OKLAHOMA...
  PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA...
  PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA...
  WESTERN LE FLORE COUNTY IN SOUTHEAST OKLAHOMA...

* UNTIL MIDNIGHT CDT MONDAY

* AT 547 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAIN MOVING INTO PORTIONS OF         
  SOUTHEAST OKLAHOMA.  3 TO 4 INCHES OF RAINFALL IS EXPECTED ACROSS  
  THE WARNED AREA THROUGH MIDNIGHT.  FOR AREAS THAT HAVE ALREADY     
  RECEIVED UP TO 5 INCHES OF RAINFALL IN THE LAST 24 HOURS...THIS    
  IS A LIFE THREATENING SITUATION.  

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  ANTLERS...CLAYTON...MCALESTER...STIGLER...WILBURTON...ALBION...
  ALDERSON...ARROWHEAD STATE PARK...ASHLAND...BENGAL...BIG CEDAR...
  BLANCO...BLOCKER...CANADIAN...CLAYTON LAKE STATE PARK...CLOUDY...
  CROWDER...DAMON...DUNBAR...ENTERPRISE...FANSHAWE...HARTSHORNE...
  HAYWOOD...HIGGINS...INDIANOLA...KELLOND...KEOTA...KIAMICHI...KINTA
  AND KIOWA.

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.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN TULSA.

&&

LAT...LON 3450 9579 3451 9568 3459 9568 3459 9588
      3468 9589 3468 9610 3505 9610 3530 9536
      3530 9531 3526 9524 3531 9517 3534 9518
      3537 9515 3541 9496 3534 9490 3450 9453
      3450 9504 3432 9504 3415 9571 3416 9578

$$

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, 11:08 PM CDT	Flash Flood Warning	TSA	Latimer, LeFlore	6 hr
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, 5:59 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.