Alert archive / Oklahoma / Flash Flood Warnings in 2019

Flash Flood Warning 17, NWS Tulsa, OK

May 20, 20194 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 20, 2019, 11:14 PM CDT for 4 counties in Oklahoma. It was in force for 6 hr. 3 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: May 20, 2019, 11:14 PM CDT (04:14 UTC)
Expired: May 21, 2019, 5:15 AM CDT
In force: 6 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Emergency: Flash flood emergency
Flood severity: None

Counties Osage County, OK, Pawnee County, OK, Tulsa County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 100 km from the middle of the area, began a volume at 04:13 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 21, 2:03 AM CDT	FLASH FLOOD	2 Ne Bartlesville, OK	HIGHWAY 123 BETWEEN BARTLESVILLE AND DEWEY IS CLOSED DUE TO HIGH WATER.
May 21, 2:03 AM CDT	FLASH FLOOD	Fairfax, OK	STATE HIGHWAY 18 AND LAKE ROAD CLOSED JUST NORTH OF FAIRFAX DUE TO FLOODING. RELAYED VIA OHP TWITTER ACCOUNT.
May 21, 2:49 AM CDT	FLASH FLOOD	4 N Hallett, OK	HIGHWAY 64 BETWEEN PAWNEE AND CLEVELAND CLOSED IN A FEW SPOTS DUE TO FLOODING.

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 00:00Z, 4.2 hours before the alert went out and 145 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: 3095 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 733 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 420 m²/s²
0-3 km storm-relative helicity: 523 m²/s²
Significant tornado parameter: 10.8
Supercell composite: 43.6

Open this sounding in Storm Lab

The text

As transmitted.

928 
WGUS54 KTSA 210414
FFWTSA
OKC113-117-143-147-211015-
/O.NEW.KTSA.FF.W.0017.190521T0414Z-190521T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
1114 PM CDT Mon May 20 2019

...FLASH FLOOD EMERGENCY FOR HOMINY...PAWNEE...BARTLESVILLE
SKIATOOK...DEWEY...

The National Weather Service in Tulsa has issued a

* Flash Flood Warning for...
  Southern Osage County in northeastern Oklahoma...
  Washington County in northeastern Oklahoma...
  Pawnee County in northeastern Oklahoma...
  Northwestern Tulsa County in northeastern Oklahoma...

* Until 515 AM CDT Tuesday.

* At 1110 PM CDT, emergency management reported numerous closed 
  roadways, water rescues, and homes being evacuated. Four to six 
  inches of rain have fallen, and additional heavy rainfall will 
  move into the area soon. Widespread flash flooding is already 
  occurring.

  THIS IS A FLASH FLOOD EMERGENCY FOR HOMINY...PAWNEE...BARTLESVILLE 
  SKIATOOK...AND DEWEY. This is a PARTICULARLY DANGEROUS SITUATION. 
  SEEK HIGHER GROUND NOW!

* Some locations that may experience flooding include...
  Bartlesville...                   Pawhuska...
  Pawnee...                         Skiatook...
  Hominy...                         Dewey...
  Cleveland...                      Fairfax...
  Barnsdall...                      Ramona...
  Wynona...                         Ochelata...
  Jennings...                       Ralston...
  Avant...                          Westport...
  Vera...                           Osage...
  Hallett...                        Blackburn...

Additional rainfall amounts of 2 to 4 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.

&&

LAT...LON 3648 9703 3691 9582 3642 9581 3615 9630
      3616 9682 3624 9682 3625 9692 3633 9693
      3634 9703

$$

1 follow-up statement

851 
WGUS74 KTSA 210732
FFSTSA

Flash Flood Statement
National Weather Service Tulsa OK
232 AM CDT Tue May 21 2019

OKC113-117-143-147-211015-
/O.CON.KTSA.FF.W.0017.000000T0000Z-190521T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Osage OK-Washington OK-Pawnee OK-Tulsa OK-
232 AM CDT Tue May 21 2019

...THIS IS A FLASH FLOOD EMERGENCY FOR HOMINY...PAWNEE... 
BARTLESVILLE...SKIATOOK...DEWEY...

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR
SOUTHERN OSAGE...WASHINGTON...PAWNEE AND NORTHWESTERN TULSA
COUNTIES...

At 228 AM CDT, emergency management reported numerous closed 
roadways, water rescues, and evacuations. Four to six inches of rain 
have fallen, and additional heavy rainfall will begin to move into 
th area by 4 AM. Flash flooding is already occurring and will 
continue.

THIS IS A FLASH FLOOD EMERGENCY for HOMINY...PAWNEE... 
BARTLESVILLE...SKIATOOK...AND DEWEY. This is a PARTICULARLY 
DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!

Some locations that may experience flooding include...
Bartlesville...                   Pawhuska...
Pawnee...                         Skiatook...
Hominy...                         Dewey...
Cleveland...                      Fairfax...
Barnsdall...                      Ramona...
Wynona...                         Ochelata...
Jennings...                       Ralston...
Avant...                          Westport...
Vera...                           Osage...
Hallett...                        Blackburn...

Additional rainfall amounts of 2 to 3 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.

&&

LAT...LON 3648 9703 3691 9582 3642 9581 3615 9630
      3616 9682 3624 9682 3625 9692 3633 9693
      3634 9703

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 20, 7:43 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee	47 min
May 20, 8:03 PM CDT	Tornado Warning	TSA	Creek, Pawnee	42 min
May 20, 8:23 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee, Tulsa, Washington	52 min
May 20, 8:39 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa, Rogers	66 min
May 20, 8:42 PM CDT	Special Weather Statement	TSA	Okmulgee	48 min
May 20, 8:46 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Mayes, Osage, Pawnee, Rogers, Tulsa and 2 more	59 min
May 20, 8:49 PM CDT	Flash Flood Warning	TSA	Creek, Mayes, Osage, Pawnee, Rogers, Tulsa and 1 more	6 hr
May 20, 9:06 PM CDT	Tornado Warning	TSA	Mayes, Rogers, Tulsa, Wagoner	39 min
May 20, 9:06 PM CDT	Tornado Warning	TSA	Creek, Osage, Tulsa	24 min
May 20, 9:39 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa	40 min
May 20, 9:45 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Okmulgee, Tulsa, Wagoner	60 min
May 20, 9:57 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Tulsa, Wagoner	63 min
May 20, 9:58 PM CDT	Flash Flood Warning	TSA	Cherokee, Craig, Delaware, Mayes	3 hr
May 20, 10:07 PM CDT	Tornado Warning	TSA	Okmulgee, Tulsa, Wagoner	38 min
May 20, 10:08 PM CDT	Tornado Warning	TSA	Cherokee, Mayes, Wagoner	52 min
May 20, 10:32 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Tulsa, Wagoner	43 min
May 20, 10:41 PM CDT	Tornado Warning EmergencyTornado observedConsiderable damage threat	TSA	Cherokee, Delaware, Mayes	49 min
May 20, 11:17 PM CDT	Special Weather Statement	TSA	Mayes, Okmulgee, Wagoner	58 min
May 20, 11:23 PM CDT	Special Weather Statement	TSA	Osage, Pawnee	37 min
May 20, 11:36 PM CDT	Special Weather Statement	TSA	Delaware	24 min
May 20, 11:44 PM CDT	Flash Flood Warning Emergency	TSA	Mayes, Osage, Rogers, Tulsa, Wagoner	6 hr
May 21, 12:32 AM CDT	Special Weather Statement	TSA	Creek	28 min
May 21, 12:36 AM CDT	Areal Flood Warning	TSA	Osage	12 hr
May 21, 12:57 AM CDT	Flash Flood Warning	TSA	Cherokee, Craig, Delaware, Mayes	6 hr
May 21, 1:05 AM CDT	Flash Flood Warning	TSA	Muskogee, Okmulgee, Tulsa, Wagoner	6 hr
May 21, 1:38 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee	27 min
May 21, 1:44 AM CDT	Special Weather Statement	TSA	Tulsa	31 min
May 21, 2:12 AM CDT	Special Weather Statement	TSA	Tulsa	33 min
May 21, 2:38 AM CDT	Flash Flood Warning	TSA	Creek, Tulsa	6 hr
May 21, 2:42 AM CDT	Flash Flood Warning	TSA	Craig, Delaware, Mayes, Nowata, Ottawa, Rogers and 1 more	6 hr
May 21, 2:48 AM CDT	Special Weather Statement	TSA	Tulsa	27 min
May 21, 4:25 AM CDT	Special Weather Statement	TSA	Osage	50 min
May 21, 4:51 AM CDT	Flash Flood Warning	TSA	Osage	6 hr
May 21, 4:59 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee	46 min
May 21, 5:07 AM CDT	Flash Flood Warning	TSA	Osage, Pawnee, Tulsa, Washington	6 hr
May 21, 5:24 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee, Tulsa	51 min
May 21, 5:27 AM CDT	Flash Flood Warning	TSA	Mayes, Osage, Rogers, Tulsa, Wagoner	6 hr
May 21, 6:00 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Mayes, Muskogee, Okfuskee, Okmulgee, Osage and 4 more	60 min
May 21, 6:17 AM CDT	Tornado Warning	TSA	Rogers, Tulsa	43 min
May 21, 6:18 AM CDT	Tornado Warning	TSA	Osage	17 min
May 21, 6:21 AM CDT	Special Weather Statement	TSA	McIntosh	54 min
May 21, 6:43 AM CDT	Tornado Warning	TSA	Mayes, Nowata, Rogers, Tulsa, Washington	47 min
May 21, 6:53 AM CDT	Flash Flood Warning	TSA	Muskogee, Okmulgee, Tulsa, Wagoner	3 hr
May 21, 6:53 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Nowata, Rogers, Wagoner, Washington	67 min
May 21, 7:03 AM CDT	Severe Thunderstorm Warning	TSA	Cherokee, McIntosh, Mayes, Muskogee, Okmulgee, Pittsburg and 1 more	57 min
May 21, 7:24 AM CDT	Tornado Warning	TSA	Craig, Mayes, Rogers	25 min
May 21, 7:27 AM CDT	Tornado Warning	TSA	Pittsburg	48 min
May 21, 7:33 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Mayes, Ottawa	57 min
May 21, 7:52 AM CDT	Flash Flood Warning	TSA	Craig, Delaware, Mayes, Nowata, Ottawa, Rogers and 1 more	3 hr
May 21, 7:54 AM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, McIntosh, Pittsburg, Pushmataha	66 min
May 21, 7:59 AM CDT	Special Weather Statement	TSA	Cherokee, Muskogee	46 min
May 21, 8:34 AM CDT	Special Weather Statement	TSA	Delaware	56 min
May 21, 8:39 AM CDT	Areal Flood Warning	TSA	Creek, Tulsa	24 hr
May 21, 8:42 AM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Pushmataha	63 min
May 21, 8:43 AM CDT	Special Weather Statement	TSA	Adair, Cherokee, Sequoyah	47 min
May 21, 8:49 AM CDT	Areal Flood Warning	TSA	Craig, Delaware, Mayes, Nowata, Ottawa, Rogers and 1 more	24 hr
May 21, 8:57 AM CDT	Tornado Warning	TSA	Latimer, LeFlore, Pushmataha	18 min
May 21, 9:02 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Haskell, Muskogee, Sequoyah	58 min
May 21, 9:07 AM CDT	Special Weather Statement	TSA	Choctaw	53 min
May 21, 9:14 AM CDT	Flash Flood Warning	TSA	Cherokee, Delaware, Mayes	3 hr
May 21, 9:40 AM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Pushmataha, Sequoyah	65 min
May 21, 9:43 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware	62 min
May 21, 10:26 AM CDT	Areal Flood Warning	TSA	Muskogee, Okmulgee, Tulsa, Wagoner	24 hr
May 21, 10:40 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore	65 min
May 21, 10:54 AM CDT	Areal Flood Warning	TSA	Osage, Pawnee, Tulsa, Washington	24 hr
May 21, 11:25 AM CDT	Areal Flood Warning	TSA	Cherokee, Creek, Delaware, Mayes, Osage, Rogers and 2 more	24 hr
May 21, 11:29 AM CDT	River Flood Warning	TSA	Tulsa	5 hr
May 21, 12:07 PM CDT	River Flood Warning	TSA	Tulsa	11 days
May 21, 12:07 PM CDT	River Flood Warning	TSA	Muskogee, Wagoner	12 days
May 21, 2:00 PM CDT	Flash Flood Warning	TSA	Mayes	24 hr
May 21, 2:08 PM CDT	Flash Flood Warning	TSA	Mayes, Wagoner	24 hr
May 21, 2:56 PM CDT	River Flood Warning	TSA	Sequoyah	17 days

Nearby

Flash Flood Warnings in Oklahoma, 2019 Every flash flood warning in 2019

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.