Alert archive / Oklahoma / Flash Flood Warnings in 2017

Flash Flood Warning 17, NWS Tulsa, OK

April 29, 20178 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at Apr 29, 2017, 6:23 PM CDT for 8 counties in Oklahoma. It was in force for 6 hr. 7 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: Apr 29, 2017, 6:23 PM CDT (23:23 UTC)
Expired: Apr 30, 2017, 12:15 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, McIntosh County, OK, Muskogee County, OK, Pittsburg County, OK, Pushmataha County, OK, Sequoyah County, OK

The radar

The Western Arkansas radar (KSRX), 116 km from the middle of the area, began a volume at 23:26 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
Apr 29, 6:45 PM CDT	FLOOD	Dow, OK	WIDESPREAD FLOODING ACROSS PORTIONS OF PITTSBURG COUNTY
Apr 29, 7:25 PM CDT	HEAVY RAIN 2.36	Mcalester, OK	RAINFALL OVER THE PAST 6 HOURS
Apr 29, 7:25 PM CDT	HEAVY RAIN 4.17	Stigler, OK	RAINFALL OVER THE PAST 6 HOURS
Apr 29, 7:25 PM CDT	HEAVY RAIN 4.25	Webbers Falls, OK	RAINFALL OVER THE PAST 6 HOURS
Apr 29, 7:45 PM CDT	FLASH FLOOD	Vian, OK	STREET FLOODING IN VIAN
Apr 29, 11:00 PM CDT	FLASH FLOOD	Kinta, OK	APPROXIMATELY 40 STRUCTURES DAMAGED DUE TO FLOOD WATERS, NUMEROUS ROADS FLOODED IN THE TOWN OF KINTA.
Apr 29, 11:53 PM CDT	FLASH FLOOD	Checotah, OK	WATER REACHING AND INUNDATED SOME HOMES. SEVERAL ROADS IN TOWN IMPASSABLE DUE TO HIGH WATER.

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, 11.4 hours before the alert went out and 179 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: 8 J/kg
Mixed-layer CIN: -530 J/kg
Mixed-layer LCL: 751 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 155 m²/s²
0-3 km storm-relative helicity: 267 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.7

Open this sounding in Storm Lab

The text

As transmitted.

640 
WGUS54 KTSA 292323
FFWTSA
OKC061-077-079-091-101-121-127-135-300515-
/O.NEW.KTSA.FF.W.0017.170429T2323Z-170430T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
623 PM CDT SAT APR 29 2017

The National Weather Service in Tulsa has issued a

* Flash Flood Warning for...
  Haskell County in southeastern Oklahoma...
  Pushmataha County in southeastern Oklahoma...
  McIntosh County in southeastern Oklahoma...
  Sequoyah County in east central Oklahoma...
  Latimer County in southeastern Oklahoma...
  Le Flore County in southeastern Oklahoma...
  Pittsburg County in southeastern Oklahoma...
  Central Muskogee County in east central Oklahoma...

* Until 1215 AM CDT

* At 622 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. 1 to 3 inches of rain has 
  already fallen. Flash flooding is expected to begin shortly.

* Some locations that may experience flooding include...
  Mcalester...                      Sallisaw...
  Poteau...                         Wilburton...
  Eufaula...                        Stigler...
  Antlers...                        Clayton...
  Pocola...                         Muldrow...
  Heavener...                       Checotah...
  Roland...                         Spiro...
  Hartshorne...                     Krebs...
  Arkoma...                         Warner...
  Vian...                           Panama...

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

This includes Interstate 40 in Oklahoma between mile markers 246 and
328.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life.

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

&&

LAT...LON 3450 9578 3451 9567 3459 9567 3459 9588
      3468 9589 3468 9609 3505 9609 3516 9598
      3523 9598 3555 9576 3555 9571 3564 9570
      3564 9447 3540 9443 3451 9446 3451 9504
      3425 9505 3424 9515 3416 9515 3416 9578

$$

1 follow-up statement

133 
WGUS74 KTSA 300330
FFSTSA

Flash Flood Statement
National Weather Service Tulsa OK
1030 PM CDT SAT APR 29 2017

OKC061-077-079-091-101-121-127-135-300515-
/O.CON.KTSA.FF.W.0017.000000T0000Z-170430T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Haskell OK-Pushmataha OK-McIntosh OK-Sequoyah OK-Latimer OK-
Le Flore OK-Pittsburg OK-Muskogee OK-
1030 PM CDT SAT APR 29 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR
HASKELL...PUSHMATAHA...MCINTOSH...SEQUOYAH...LATIMER...LE FLORE...
PITTSBURG AND CENTRAL MUSKOGEE COUNTIES...

At 1028 PM CDT, Doppler radar indicated widespread showers and 
scattered thunderstorms producing locally heavy rain across the 
warned area. Portions of east central Oklahoma have received 3 to 6 
inch rainfall amounts over the past 24 hours with amounts around 1 
inch common across far southeast Oklahoma. Flash flooding is ongoing 
and will likely continue into the overnight hours. 

Some locations that may experience flooding include...
Mcalester...                      Sallisaw...
Poteau...                         Wilburton...
Eufaula...                        Stigler...
Antlers...                        Clayton...
Pocola...                         Muldrow...
Heavener...                       Checotah...
Roland...                         Spiro...
Hartshorne...                     Krebs...
Arkoma...                         Warner...
Vian...                           Panama...

Additional rainfall amounts of one half to one inch are possible in 
the warned area.

This includes Interstate 40 in Oklahoma between mile markers 246 and
328.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life.

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

&&

LAT...LON 3450 9578 3451 9567 3459 9567 3459 9588
      3468 9589 3468 9609 3505 9609 3516 9598
      3523 9598 3555 9576 3555 9571 3564 9570
      3564 9447 3540 9443 3451 9446 3451 9504
      3425 9505 3424 9515 3416 9515 3416 9578

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 9:54 PM CDT	Special Weather Statement	TSA	LeFlore	36 min
Apr 28, 10:00 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Sequoyah	45 min
Apr 28, 10:25 PM CDT	Tornado Warning	TSA	LeFlore, Sequoyah	35 min
Apr 28, 10:45 PM CDT	Special Weather Statement	TSA	McIntosh	30 min
Apr 28, 10:48 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Sequoyah	27 min
Apr 28, 10:58 PM CDT	Tornado Warning	TSA	LeFlore, Sequoyah	31 min
Apr 28, 11:01 PM CDT	Special Weather Statement	TSA	Tulsa	29 min
Apr 28, 11:07 PM CDT	Special Weather Statement	TSA	Osage	23 min
Apr 28, 11:10 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Pittsburg	65 min
Apr 28, 11:15 PM CDT	Severe Thunderstorm Warning	TSA	Osage	30 min
Apr 28, 11:18 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa	27 min
Apr 28, 11:25 PM CDT	Special Weather Statement	TSA	Creek	35 min
Apr 28, 11:40 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa	35 min
Apr 28, 11:48 PM CDT	Severe Thunderstorm Warning	TSA	Adair	27 min
Apr 28, 11:53 PM CDT	Special Weather Statement	TSA	Washington	37 min
Apr 29, 12:03 AM CDT	Areal Flood Advisory	TSA	Adair, Cherokee, Delaware, McIntosh, Mayes, Muskogee and 3 more	4 hr
Apr 29, 12:11 AM CDT	Special Weather Statement	TSA	Delaware	34 min
Apr 29, 12:13 AM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Muskogee, Wagoner	32 min
Apr 29, 12:18 AM CDT	Special Weather Statement	TSA	Mayes	27 min
Apr 29, 12:26 AM CDT	Special Weather Statement	TSA	Muskogee, Wagoner	34 min
Apr 29, 12:27 AM CDT	Special Weather Statement	TSA	Nowata	18 min
Apr 29, 12:43 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee	32 min
Apr 29, 12:46 AM CDT	Special Weather Statement	TSA	Mayes	29 min
Apr 29, 12:49 AM CDT	Special Weather Statement	TSA	Osage	26 min
Apr 29, 12:54 AM CDT	Flash Flood Warning	TSA	Adair, Cherokee, Muskogee, Wagoner	4 hr
Apr 29, 12:54 AM CDT	Special Weather Statement	TSA	Muskogee	36 min
Apr 29, 1:00 AM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Muskogee, Wagoner	30 min
Apr 29, 1:15 AM CDT	Special Weather Statement	TSA	Adair	30 min
Apr 29, 1:26 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Delaware	34 min
Apr 29, 1:28 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee	47 min
Apr 29, 1:36 AM CDT	Special Weather Statement	TSA	Washington	24 min
Apr 29, 1:54 AM CDT	Special Weather Statement	TSA	Cherokee	36 min
Apr 29, 2:01 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Delaware	29 min
Apr 29, 2:04 AM CDT	Special Weather Statement	TSA	Nowata	26 min
Apr 29, 2:07 AM CDT	Special Weather Statement	TSA	Pawnee	38 min
Apr 29, 2:21 AM CDT	Areal Flood Advisory	TSA	Craig, Delaware, Mayes, Ottawa	3 hr
Apr 29, 2:41 AM CDT	Special Weather Statement	TSA	Osage, Pawnee	34 min
Apr 29, 2:46 AM CDT	Special Weather Statement	TSA	Delaware, Ottawa	44 min
Apr 29, 3:03 AM CDT	Special Weather Statement	TSA	Pawnee	57 min
Apr 29, 3:34 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Pawnee	56 min
Apr 29, 3:39 AM CDT	Special Weather Statement	TSA	Osage	36 min
Apr 29, 4:15 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa	30 min
Apr 29, 4:40 AM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Rogers, Tulsa, Washington	35 min
Apr 29, 5:07 AM CDT	Areal Flood Warning	TSA	Adair, Cherokee, Muskogee, Wagoner	6 hr
Apr 29, 5:13 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Nowata, Rogers, Tulsa, Washington	32 min
Apr 29, 5:17 AM CDT	Special Weather Statement	TSA	Pawnee	28 min
Apr 29, 5:40 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	35 min
Apr 29, 5:42 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Mayes, Nowata, Ottawa, Rogers	33 min
Apr 29, 6:14 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa	31 min
Apr 29, 6:16 AM CDT	Special Weather Statement	TSA	Washington	44 min
Apr 29, 6:19 AM CDT	Special Weather Statement	TSA	Osage	41 min
Apr 29, 6:36 AM CDT	Special Weather Statement	TSA	Creek, Pawnee	39 min
Apr 29, 6:42 AM CDT	Flash Flood Warning	TSA	Osage, Pawnee	4 hr
Apr 29, 6:45 AM CDT	Severe Thunderstorm Warning	TSA	Delaware, Ottawa	24 min
Apr 29, 8:17 AM CDT	River Flood Warning	TSA	Osage	30 hr
Apr 29, 8:33 AM CDT	Areal Flood Advisory	TSA	Creek, Muskogee, Okfuskee, Okmulgee, Osage, Pawnee and 3 more	3 hr
Apr 29, 8:38 AM CDT	Flash Flood Warning	TSA	Adair, Cherokee, Delaware	10 hr
Apr 29, 10:35 AM CDT	Flash Flood Warning	TSA	Cherokee, Delaware, McIntosh, Mayes, Muskogee, Sequoyah and 1 more	8 hr
Apr 29, 10:36 AM CDT	Flash Flood Warning	TSA	Craig, Delaware, Ottawa	8 hr
Apr 29, 10:37 AM CDT	Special Weather Statement	TSA	Delaware	23 min
Apr 29, 12:36 PM CDT	Flash Flood Warning	TSA	Adair, Cherokee, Haskell, LeFlore, Sequoyah	6 hr
Apr 29, 12:55 PM CDT	Special Weather Statement	TSA	Sequoyah	35 min
Apr 29, 1:16 PM CDT	Special Weather Statement	TSA	Rogers, Tulsa	29 min
Apr 29, 1:24 PM CDT	Special Weather Statement	TSA	Okmulgee	36 min
Apr 29, 2:23 PM CDT	River Flood Warning	TSA	Pawnee	32 hr
Apr 29, 2:39 PM CDT	Flash Flood Warning	TSA	Craig, Mayes, Muskogee, Nowata, Rogers, Wagoner	4 hr
Apr 29, 3:05 PM CDT	Special Weather Statement	TSA	McIntosh	25 min
Apr 29, 3:13 PM CDT	Areal Flood Warning	TSA	Creek, McIntosh, Okmulgee, Osage, Pawnee, Rogers and 2 more	6 hr
Apr 29, 3:46 PM CDT	Special Weather Statement	TSA	Latimer	29 min
Apr 29, 4:12 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, Pittsburg	33 min
Apr 29, 4:15 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Muskogee	30 min
Apr 29, 4:19 PM CDT	Tornado Warning	TSA	Adair, Sequoyah	26 min
Apr 29, 4:42 PM CDT	Tornado Warning	TSA	Haskell	33 min
Apr 29, 4:43 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Sequoyah	32 min
Apr 29, 4:49 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, McIntosh, Muskogee, Pittsburg	26 min
Apr 29, 4:54 PM CDT	Special Weather Statement	TSA	Pittsburg	36 min
Apr 29, 4:58 PM CDT	Tornado Warning	TSA	Adair	14 min
Apr 29, 5:01 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Sequoyah	29 min
Apr 29, 5:03 PM CDT	Special Weather Statement	TSA	McIntosh	42 min
Apr 29, 5:09 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Muskogee, Sequoyah	36 min

Nearby

Flash Flood Warnings in Oklahoma, 2017 Every 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.