Alert archive / Oklahoma / Flash Flood Warnings in 2017

Flash Flood Warning 15, NWS Tulsa, OK

April 29, 201710 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at Apr 29, 2017, 6:14 PM CDT for 10 counties in Oklahoma. It was in force for 6 hr. 6 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, 6:14 PM CDT (23:14 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 Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Mayes County, OK, Muskogee County, OK, Nowata County, OK, Ottawa County, OK, Rogers County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 9 km from the middle of the area, began a volume at 23:17 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, 6:47 PM CDT	FLOOD	Muskogee, OK	NUMEROUS ROADS ARE IMPASSABLE DUE TO HIGH WATER ACROSS THE COUNTY. SOME ROADS HAVE BEEN WASHED OUT. ONE BRIDGE DAMAGED.
Apr 29, 6:50 PM CDT	FLOOD	Cookson, OK	CATO CREEK ROAD AND NORTH EAST EDGE ON LAKE TENKILLER CLOSED DUE TO FLOODING
Apr 29, 7:43 PM CDT	FLASH FLOOD	2 Ene Muskogee, OK	MULTIPLE ROADS IN TOWN IMPASSABLE, HOUSING ON THE SOUTHERN SIDE OF TOWN BEING EVACUATED
Apr 29, 8:41 PM CDT	HEAVY RAIN 3.98	1 Nw Bunch, OK	TOTAL SINCE 7 AM. 1.80 INCHES HAS FALLEN OVER THE LAST 3 HOURS.
Apr 29, 9:20 PM CDT	FLASH FLOOD	Oologah, OK	380 ROAD AT US169 CLOSED DUE TO FLOODING NEAR OOLOGAH
Apr 29, 9:25 PM CDT	FLASH FLOOD	5 W Claremore, OK	SH20 AT KEETONVILLE HILL DOWN TO ONE LANE DUE TO DEBRIS IN THE ROAD DUE TO A MUD SLIDE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.2 hours before the alert went out and 168 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 704 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 318 m²/s²
0-3 km storm-relative helicity: 413 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.6

Open this sounding in Storm Lab

The text

As transmitted.

172 
WGUS54 KTSA 292314
FFWTSA
OKC001-021-035-041-097-101-105-115-131-145-300515-
/O.NEW.KTSA.FF.W.0015.170429T2314Z-170430T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Tulsa has issued a

* Flash Flood Warning for...
  Craig County in northeastern Oklahoma...
  Rogers County in northeastern Oklahoma...
  Delaware County in northeastern Oklahoma...
  Ottawa County in northeastern Oklahoma...
  Mayes County in northeastern Oklahoma...
  Adair County in northeastern Oklahoma...
  Nowata County in northeastern Oklahoma...
  Wagoner County in northeastern Oklahoma...
  Cherokee County in east central Oklahoma...
  Northern Muskogee County in east central Oklahoma...

* Until 1215 AM CDT Sunday

* At 610 PM CDT, emergency management officials reported widespread 
  flooding across much of northeast and east central Oklahoma. 
  Numerous roads are closed across the region and high water rescues 
  have been underway during the afternoon.
  Showers and thunderstorms will continue across the region into the 
  early morning hours on Sunday.  Widespread 3 to 5 inches of rain 
  has fallen across the region with local amounts around 7 inches 
  across portions of Cherokee and Adair counties.
  An additional 1 to 2 inches of rain is expected through the 
  evening hours.  

* Some locations that may experience flooding include...
  Broken Arrow...                   Muskogee...
  Claremore...                      Tahlequah...
  Siloam Springs...                 Miami...
  Wagoner...                        Vinita...
  Stilwell...                       Nowata...
  Jay...                            Pryor...
  Owasso...                         Coweta...
  Pryor Creek...                    Catoosa...
  Grove...                          Fort Gibson...
  Verdigris...                      Commerce...

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

This includes Interstate 44 between mile markers 234 and 324.
 
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 3650 9462 3564 9447 3564 9571 3572 9571
      3573 9577 3585 9577 3586 9580 3590 9580
      3590 9576 3616 9576 3616 9580 3694 9581
      3694 9579 3700 9579 3700 9462

$$

1 follow-up statement

405 
WGUS74 KTSA 300325
FFSTSA

Flash Flood Statement
National Weather Service Tulsa OK
1025 PM CDT SAT APR 29 2017

OKC001-021-035-041-097-101-105-115-131-145-300515-
/O.CON.KTSA.FF.W.0015.000000T0000Z-170430T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Craig OK-Rogers OK-Delaware OK-Ottawa OK-Mayes OK-Adair OK-Nowata OK-
Wagoner OK-Cherokee OK-Muskogee OK-
1025 PM CDT SAT APR 29 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR
CRAIG...ROGERS...DELAWARE...OTTAWA...MAYES...ADAIR...NOWATA...
WAGONER...CHEROKEE AND NORTHERN MUSKOGEE COUNTIES...

At 1023 PM CDT, Doppler radar indicated thunderstorms producing 
heavy rain located from Craig county southward through Cherokee 
county moving east at 20 mph.  Widespread 3 to 5 inches of rain have 
fallen across the warned area over the past 24 hours. Flash flooding 
is ongoing and will continue into the overnight hours.

Some locations that may experience flooding include...
Broken Arrow...                   Muskogee...
Claremore...                      Tahlequah...
Siloam Springs...                 Miami...
Wagoner...                        Vinita...
Stilwell...                       Nowata...
Jay...                            Pryor...
Owasso...                         Coweta...
Pryor Creek...                    Catoosa...
Grove...                          Fort Gibson...
Verdigris...                      Commerce...

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

This includes Interstate 44 between mile markers 234 and 324.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3650 9462 3564 9447 3564 9571 3572 9571
      3573 9577 3585 9577 3586 9580 3590 9580
      3590 9576 3616 9576 3616 9580 3694 9581
      3694 9579 3700 9579 3700 9462

$$

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.