Alert archive / Oklahoma / Tornado Warnings in 2019

Tornado Warning 51, NWS Tulsa, OK

May 20, 2019Osage County, Pawnee County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 20, 2019, 6:11 PM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 20, 2019, 6:11 PM CDT (23:11 UTC)
Expired: May 20, 2019, 6:38 PM CDT
In force: 27 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.25 in

Counties Osage County, OK, Pawnee County, OK

The radar

The Tulsa radar (KINX), 112 km from the middle of the area, began a volume at 23:10 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 20, 1:37 PM CDT	Tornado Watch PDS	SPC	8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.2 hours before the alert went out and 139 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: 79 J/kg
Mixed-layer CIN: -389 J/kg
Mixed-layer LCL: 1022 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 260 m²/s²
0-3 km storm-relative helicity: 302 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

As transmitted.

033 
WFUS54 KTSA 202311
TORTSA
OKC113-117-210000-
/O.NEW.KTSA.TO.W.0051.190520T2311Z-190521T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
611 PM CDT Mon May 20 2019

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Southern Osage County in northeastern Oklahoma...
  Pawnee County in northeastern Oklahoma...

* Until 700 PM CDT.
    
* At 611 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 5 miles north of Pawnee, moving east at 45 mph.

  HAZARD...Tornado and half dollar size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations in or near the path include...
  Pawhuska...                       Pawnee...
  Hominy...                         Cleveland...
  Fairfax...                        Wynona...
  Ralston...                        Westport...
  Osage...                          Hallett...
  Blackburn...                      Maramec...
  Skedee...                         Walnut Creek State Park...
  Sooner Lake...                    

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3651 9702 3672 9631 3618 9619 3624 9682
      3625 9684 3625 9692 3633 9693 3634 9703
TIME...MOT...LOC 2311Z 259DEG 37KT 3641 9683 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

1 follow-up statement

762 
WWUS54 KTSA 202338
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
638 PM CDT Mon May 20 2019

OKC113-117-202348-
/O.CAN.KTSA.TO.W.0051.000000T0000Z-190521T0000Z/
Osage OK-Pawnee OK-
638 PM CDT Mon May 20 2019

...THE TORNADO WARNING FOR SOUTHERN OSAGE AND PAWNEE COUNTIES IS
CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.  

A Tornado Watch remains in effect until 1000 PM CDT for northeastern
Oklahoma.

LAT...LON 3651 9702 3672 9631 3618 9619 3624 9682
      3625 9684 3625 9692 3633 9693 3634 9703
TIME...MOT...LOC 2336Z 259DEG 37KT 3646 9649 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 20, 8:41 AM CDT	River Flood Warning	TSA	Okmulgee	15 days
May 20, 9:53 AM CDT	River Flood Warning	TSA	Osage	48 hr
May 20, 9:53 AM CDT	River Flood Warning	TSA	Osage, Tulsa	7 days
May 20, 9:53 AM CDT	River Flood Warning	TSA	Tulsa	7 days
May 20, 9:53 AM CDT	River Flood Warning	TSA	Washington	10 days
May 20, 9:53 AM CDT	River Flood Warning	TSA	Washington	12 days
May 20, 9:53 AM CDT	River Flood Warning	TSA	Rogers, Tulsa	13 days
May 20, 10:10 AM CDT	River Flood Warning	TSA	Osage, Pawnee	12 days
May 20, 10:10 AM CDT	River Flood Warning	TSA	Creek	58 hr
May 20, 10:10 AM CDT	River Flood Warning	TSA	Cherokee	48 hr
May 20, 10:24 AM CDT	River Flood Advisory	TSA	Adair, Cherokee, Delaware	43 hr
May 20, 10:24 AM CDT	River Flood Advisory	TSA	Cherokee, Delaware	43 hr
May 20, 10:24 AM CDT	River Flood Advisory	TSA	Sequoyah	22 hr
May 20, 10:28 AM CDT	Special Weather Statement	TSA	Creek	32 min
May 20, 10:53 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Rogers, Tulsa, Washington	52 min
May 20, 11:27 AM CDT	Special Weather Statement	TSA	Rogers	33 min
May 20, 12:13 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Mayes, Nowata, Rogers	32 min
May 20, 12:43 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Mayes, Nowata, Ottawa, Rogers	47 min
May 20, 12:59 PM CDT	Special Weather Statement	TSA	Osage, Pawnee	31 min
May 20, 1:20 PM CDT	Special Weather Statement	TSA	Osage	25 min
May 20, 1:26 PM CDT	Severe Thunderstorm Warning	TSA	Delaware, Ottawa	19 min
May 20, 1:51 PM CDT	Special Weather Statement	TSA	Pawnee	24 min
May 20, 2:05 PM CDT	Areal Flood Advisory	TSA	Craig, Nowata, Osage, Rogers, Tulsa, Washington	3 hr
May 20, 2:09 PM CDT	River Flood Warning	TSA	Nowata	12 days
May 20, 2:20 PM CDT	River Flood Warning	TSA	Ottawa	7 days
May 20, 2:54 PM CDT	River Flood Warning	TSA	Pawnee	8 days
May 20, 2:58 PM CDT	Special Weather Statement	TSA	Mayes	32 min
May 20, 3:18 PM CDT	Areal Flood Advisory	TSA	Washington	3 hr
May 20, 3:28 PM CDT	Special Weather Statement	TSA	Adair, Sequoyah	32 min
May 20, 4:46 PM CDT	Flash Flood Warning	TSA	Osage, Pawnee	8 hr
May 20, 5:05 PM CDT	Severe Thunderstorm Warning	TSA	Osage	40 min
May 20, 5:33 PM CDT	Tornado Warning	TSA	Osage, Pawnee	42 min
May 20, 5:36 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	39 min
May 20, 5:39 PM CDT	Tornado Warning	TSA	Osage, Pawnee	36 min
May 20, 6:14 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	46 min
May 20, 6:34 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	26 min
May 20, 6:42 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	18 min
May 20, 6:51 PM CDT	Flash Flood Warning	TSA	Craig, Delaware, Mayes, Nowata, Ottawa, Rogers and 1 more	8 hr
May 20, 6:57 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata, Osage, Pawnee, Rogers, Tulsa and 1 more	48 min

Nearby

Tornado Warnings in Oklahoma, 2019 Every tornado warning in 2019 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.