Alert archive / Oklahoma / Flash Flood Warnings in 2015

Flash Flood Warning 16, NWS Tulsa, OK

May 9, 2015Choctaw County, Pushmataha County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 9, 2015, 11:39 AM CDT for Choctaw County, Pushmataha 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 9, 2015, 11:39 AM CDT (16:39 UTC)
Expired: May 9, 2015, 5:30 PM CDT
In force: 6 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Flood severity: None

Counties Choctaw County, OK, Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 156 km from the middle of the area, began a volume at 16:40 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
May 9, 3:00 PM CDT	FLASH FLOOD	Sobol, OK	SEVERAL STREETS FLOODED AND SOME SECONDARY ROADS OVER THE EASTERN PART OF THE COUNTY.

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, 4.7 hours before the alert went out and 208 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: 320 J/kg
Mixed-layer CIN: -247 J/kg
Mixed-layer LCL: 540 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 149 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

013 
WGUS54 KTSA 091639
FFWTSA
OKC023-127-092230-
/O.NEW.KTSA.FF.W.0016.150509T1639Z-150509T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
1139 AM CDT SAT MAY 9 2015

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHOCTAW COUNTY IN SOUTHEAST OKLAHOMA...
  PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA...

* UNTIL 530 PM CDT

* AT 1138 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR            
  INDICATED   THUNDERSTORMS WITH VERY HEAVY RAIN MOVING INTO 
  THE WARNED AREA. 2 TO 3 INCHES OF RAINFALL FELL OVERNIGHT
  WITH AN ADDITIONAL 2 TO 3 INCHES POSSIBLE.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  ANTLERS...CLAYTON...HUGO...ALBION...BOSWELL...CLAYTON LAKE STATE
  PARK...CLOUDY...DUNBAR...FORT TOWSON...GOODLAND...HUGO LAKE STATE
  PARK...KELLOND...KENT...KIAMICHI...KOSOMA...MESSER...MOYERS...
  NASHOBA...OLETA...RATTAN...RAYMOND GARY STATE PARK...SAWYER...
  SNOW...SOPER...STANLEY AND TUSKAHOMA.

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 3393 9559 3386 9577 3392 9592 3412 9594
      3416 9598 3417 9578 3450 9579 3451 9568
      3460 9568 3460 9552 3468 9551 3468 9494
      3450 9494 3450 9504 3424 9504 3423 9514
      3394 9515 3395 9522 3391 9525 3386 9539

$$

1 follow-up statement

003 
WGUS74 KTSA 091816
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
116 PM CDT SAT MAY 9 2015

OKC023-127-092230-
/O.CON.KTSA.FF.W.0016.000000T0000Z-150509T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHOCTAW OK-PUSHMATAHA OK-
116 PM CDT SAT MAY 9 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR PUSHMATAHA AND CHOCTAW
COUNTIES UNTIL 530 PM CDT...

AT 114 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
WIDESPREAD THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED 
AREA. ONE TO TWO INCHES OF RAINFALL HAS ALREADY OCCURRED WITH AN 
ADDITIONAL ONE TO THREE INCHES POSSIBLE. THE HEAVIEST RAIN WILL 
LIKELY FALL ACROSS PORTIONS OF CHOCTAW COUNTY...WHERE THUNDERSTORMS 
ARE CURRENTLY BACKBUILDING AND TRAINING ACROSS THE SAME AREAS.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
ANTLERS...CLAYTON...HUGO...ALBION...BOSWELL...CLAYTON LAKE STATE
PARK...CLOUDY...DUNBAR...FORT TOWSON...GOODLAND...HUGO LAKE STATE
PARK...KELLOND...KENT...KIAMICHI...KOSOMA...MESSER...MOYERS...
NASHOBA...OLETA...RATTAN...RAYMOND GARY STATE PARK...SAWYER...SNOW...
SOPER...STANLEY AND TUSKAHOMA.

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 3393 9559 3386 9577 3392 9592 3412 9594
      3416 9598 3417 9578 3450 9579 3451 9568
      3460 9568 3460 9552 3468 9551 3468 9494
      3450 9494 3450 9504 3424 9504 3423 9514
      3394 9515 3395 9522 3391 9525 3386 9539

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 7:08 PM CDT	Tornado Warning	TSA	Okfuskee	37 min
May 8, 7:15 PM CDT	Special Weather Statement	TSA	Osage	30 min
May 8, 7:35 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	40 min
May 8, 7:36 PM CDT	Areal Flood Advisory	TSA	Okfuskee	3 hr
May 8, 7:40 PM CDT	Tornado Warning	TSA	Okfuskee	35 min
May 8, 8:10 PM CDT	Flash Flood Warning	TSA	Okfuskee	4 hr
May 8, 8:13 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	47 min
May 8, 8:20 PM CDT	Special Weather Statement	TSA	Pittsburg	40 min
May 8, 8:29 PM CDT	Tornado Warning	TSA	Okfuskee	31 min
May 8, 8:55 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee, Okmulgee	35 min
May 8, 8:58 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	32 min
May 8, 9:10 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Pittsburg	50 min
May 8, 9:15 PM CDT	Tornado Warning	TSA	Okfuskee	30 min
May 8, 9:30 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Okfuskee, Okmulgee	45 min
May 8, 9:31 PM CDT	Flash Flood Warning	TSA	Okmulgee	4 hr
May 8, 9:34 PM CDT	Areal Flood Advisory	TSA	Tulsa	4 hr
May 8, 9:50 PM CDT	Special Weather Statement	TSA	Okmulgee	25 min
May 8, 9:57 PM CDT	Areal Flood Advisory	TSA	McIntosh, Pittsburg	4 hr
May 8, 10:00 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, McIntosh, Muskogee, Okmulgee, Pittsburg	45 min
May 8, 10:11 PM CDT	Special Weather Statement	TSA	Pittsburg	64 min
May 8, 10:18 PM CDT	Flash Flood Warning	TSA	Tulsa, Wagoner	4 hr
May 8, 10:39 PM CDT	Special Weather Statement	TSA	Creek, McIntosh, Nowata, Okfuskee, Okmulgee, Osage and 4 more	51 min
May 8, 10:43 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Muskogee, Pittsburg, Sequoyah	29 min
May 8, 10:55 PM CDT	Areal Flood Advisory	TSA	Cherokee, Craig, Mayes, Muskogee, Nowata, Rogers and 1 more	2 hr
May 8, 10:59 PM CDT	Special Weather Statement	TSA	Pushmataha	46 min
May 8, 11:17 PM CDT	Special Weather Statement	TSA	Haskell, Muskogee, Sequoyah	58 min
May 8, 11:57 PM CDT	Special Weather Statement	TSA	Creek, Okfuskee, Osage, Pawnee	63 min
May 9, 12:00 AM CDT	Areal Flood Warning	TSA	Okfuskee	8 hr
May 9, 12:11 AM CDT	Special Weather Statement	TSA	Choctaw	49 min
May 9, 12:54 AM CDT	Areal Flood Advisory	TSA	Craig, Delaware, Ottawa	2 hr
May 9, 1:04 AM CDT	Special Weather Statement	TSA	McIntosh, Muskogee, Nowata, Okfuskee, Okmulgee, Rogers and 3 more	56 min
May 9, 1:33 AM CDT	Areal Flood Advisory	TSA	Cherokee, Craig, Delaware, Mayes, Muskogee, Rogers and 2 more	117 min
May 9, 1:36 AM CDT	Areal Flood Warning	TSA	Okmulgee	8 hr
May 9, 2:30 AM CDT	Flash Flood Warning	TSA	Tulsa, Wagoner	6 hr
May 9, 2:34 AM CDT	Areal Flood Warning	TSA	Tulsa, Wagoner	6 hr
May 9, 3:11 AM CDT	River Flood Warning	TSA	Creek	19 hr
May 9, 8:12 AM CDT	Areal Flood Warning	TSA	Okfuskee	6 hr
May 9, 9:12 AM CDT	Areal Flood Warning	TSA	Okmulgee	6 hr
May 9, 10:01 AM CDT	River Flood Advisory	TSA	Pushmataha	22 hr
May 9, 10:03 AM CDT	River Flood Advisory	TSA	Choctaw	57 hr
May 9, 11:48 AM CDT	Special Weather Statement	TSA	Choctaw	42 min
May 9, 12:54 PM CDT	Special Weather Statement	TSA	Haskell, Latimer, LeFlore, Sequoyah	51 min
May 9, 1:20 PM CDT	Special Weather Statement	TSA	Haskell, Latimer, LeFlore, Sequoyah	40 min
May 9, 1:35 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore	40 min
May 9, 1:44 PM CDT	Special Weather Statement	TSA	Sequoyah	46 min
May 9, 3:01 PM CDT	Areal Flood Advisory	TSA	Creek, Okfuskee, Okmulgee	119 min
May 9, 3:41 PM CDT	Areal Flood Advisory	TSA	Haskell, Latimer, Pittsburg	2 hr
May 9, 4:27 PM CDT	Flash Flood Warning	TSA	Creek, McIntosh, Okfuskee, Okmulgee	6 hr
May 9, 4:44 PM CDT	Flash Flood Warning	TSA	Latimer, McIntosh, Pittsburg	6 hr
May 9, 4:57 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Pittsburg	48 min
May 9, 5:42 PM CDT	Special Weather Statement	TSA	McIntosh	33 min
May 9, 6:14 PM CDT	Special Weather Statement	TSA	Haskell	46 min
May 9, 6:28 PM CDT	Flash Flood Warning	TSA	Haskell, Latimer, McIntosh, Muskogee, Pittsburg, Sequoyah	6 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.