Alert archive / Oklahoma / Tornado Warnings in 2019

Tornado Warning 57, NWS Tulsa, OK

May 20, 2019Cherokee County, Delaware County, Mayes County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 20, 2019, 10:41 PM CDT for Cherokee County, Delaware County, Mayes County, Oklahoma. It was in force for 49 min. 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 20, 2019, 10:41 PM CDT (03:41 UTC)
Expired: May 20, 2019, 11:30 PM CDT
In force: 49 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Emergency: Tornado emergency
Tornado: Observed
Damage threat: Considerable
Hail: 0.75 in

Counties Cherokee County, OK, Delaware County, OK, Mayes County, OK

The radar

The Tulsa radar (KINX), 71 km from the middle of the area, began a volume at 03:45 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 20, 10:45 PM CDT	TORNADO	Leach, OK	A TORNADO DEVELOPED NEAR PEGGS, OK AND TRAVELED TO THE LEACH AREA.

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

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, 5:14 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.7 hours before the alert went out and 111 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: 38 J/kg
Mixed-layer CIN: -107 J/kg
Mixed-layer LCL: 992 m above ground
0-6 km bulk shear: 79 kt
0-1 km storm-relative helicity: 462 m²/s²
0-3 km storm-relative helicity: 819 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

229 
WFUS54 KTSA 210341
TORTSA
OKC021-041-097-210430-
/O.NEW.KTSA.TO.W.0057.190521T0341Z-190521T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
1041 PM CDT Mon May 20 2019

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Southern Delaware County in northeastern Oklahoma...
  Southeastern Mayes County in northeastern Oklahoma...
  Northeastern Cherokee County in east central Oklahoma...

* Until 1130 PM CDT.
    
* At 1040 PM CDT, a confirmed large and extremely dangerous tornado
  was located 5 miles south of Rose, moving northeast at 50 mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

  HAZARD...Damaging tornado.

  SOURCE...Radar confirmed tornado.

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible.

* Locations in or near the path include...
  Jay...                            Colcord...
  Kansas...                         Oaks...
  Leach...                          Twin Oaks...
  Rose...                           Dodge...
  Lake Eucha State Park...          

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 3658 9462 3650 9462 3624 9458 3616 9479
      3616 9480 3615 9480 3605 9506 3625 9518
TIME...MOT...LOC 0340Z 232DEG 43KT 3614 9502 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$

69

5 follow-up statements

319 
WWUS54 KTSA 210349
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1049 PM CDT Mon May 20 2019

OKC097-210358-
/O.CAN.KTSA.TO.W.0057.000000T0000Z-190521T0430Z/
Mayes OK-
1049 PM CDT Mon May 20 2019

...THE TORNADO WARNING FOR SOUTHEASTERN MAYES COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. therefore the warning has been cancelled.

A Tornado Watch remains in effect until 100 AM CDT for northeastern
and east central Oklahoma.

LAT...LON 3658 9462 3650 9462 3624 9458 3616 9479
      3616 9480 3615 9481 3609 9496 3616 9502
      3628 9501
TIME...MOT...LOC 0348Z 231DEG 39KT 3619 9495 

$$

OKC021-041-210430-
/O.CON.KTSA.TO.W.0057.000000T0000Z-190521T0430Z/
Delaware OK-Cherokee OK-
1049 PM CDT Mon May 20 2019

...TORNADO EMERGENCY FOR LEACH...

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR SOUTHERN
DELAWARE AND NORTHEASTERN CHEROKEE COUNTIES...
        
At 1048 PM CDT, a confirmed large and destructive tornado was located
near Leach, moving northeast at 45 mph.

TORNADO EMERGENCY for Leach! This is a PARTICULARLY DANGEROUS 
SITUATION. TAKE COVER NOW!

HAZARD...Deadly tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations in or near the path include...
Jay...                            Colcord...
Kansas...                         Oaks...
Leach...                          Twin Oaks...
Dodge...                          Lake Eucha State Park...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous, and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to an interior room on the lowest floor of a sturdy building. Avoid
windows. If in a mobile home, a vehicle or outdoors, move to the
closest substantial shelter and protect yourself from flying debris.

&&

LAT...LON 3658 9462 3650 9462 3624 9458 3616 9479
      3616 9480 3615 9481 3609 9496 3616 9502
      3628 9501
TIME...MOT...LOC 0348Z 231DEG 39KT 3619 9495 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CATASTROPHIC
HAIL...<.75IN

$$

69

594 
WWUS54 KTSA 210356
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1056 PM CDT Mon May 20 2019

OKC021-210406-
/O.CAN.KTSA.TO.W.0057.000000T0000Z-190521T0430Z/
Cherokee OK-
1056 PM CDT Mon May 20 2019

...THE TORNADO WARNING FOR NORTHEASTERN CHEROKEE COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. therefore the warning has been cancelled.

A Tornado Watch remains in effect until 100 AM CDT for northeastern
and east central Oklahoma.

LAT...LON 3658 9462 3650 9462 3624 9458 3616 9479
      3616 9494 3619 9499 3629 9498
TIME...MOT...LOC 0356Z 232DEG 43KT 3625 9486 

$$

OKC041-210430-
/O.CON.KTSA.TO.W.0057.000000T0000Z-190521T0430Z/
Delaware OK-
1056 PM CDT Mon May 20 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR SOUTHERN
DELAWARE COUNTY...
        
At 1056 PM CDT, a confirmed large and extremely dangerous tornado was
located 3 miles north of Twin Oaks, moving northeast at 50 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations in or near the path include...
Jay...                            Colcord...
Kansas...                         Oaks...
Leach...                          Twin Oaks...
Dodge...                          Lake Eucha State Park...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 3658 9462 3650 9462 3624 9458 3616 9479
      3616 9494 3619 9499 3629 9498
TIME...MOT...LOC 0356Z 232DEG 43KT 3625 9486 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$

69

148 
WWUS54 KTSA 210404
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1104 PM CDT Mon May 20 2019

OKC041-210430-
/O.CON.KTSA.TO.W.0057.000000T0000Z-190521T0430Z/
Delaware OK-
1104 PM CDT Mon May 20 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR SOUTHERN
DELAWARE COUNTY...
    
At 1103 PM CDT, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located 4 miles north 
of Twin Oaks, moving east at 30 mph. This storm has produced a 
damaging tornado.

HAZARD...Tornado.

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...
Jay...                            Colcord...
Kansas...                         Oaks...
Twin Oaks...                      Dodge...
Lake Eucha State Park...          

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 3658 9462 3650 9462 3624 9458 3616 9479
      3616 9488 3622 9492 3631 9491
TIME...MOT...LOC 0403Z 265DEG 28KT 3627 9482 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

69

762 
WWUS54 KTSA 210418
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1118 PM CDT Mon May 20 2019

OKC041-210430-
/O.CON.KTSA.TO.W.0057.000000T0000Z-190521T0430Z/
Delaware OK-
1118 PM CDT Mon May 20 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR
SOUTHEASTERN DELAWARE COUNTY...
    
At 1117 PM CDT, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located near Maysville, 
moving northeast at 50 mph. This storm has produced a damaging 
tornado.

HAZARD...Tornado.

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...
Jay...                            Colcord...
Lake Eucha State Park...          

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 3650 9462 3624 9458 3619 9471 3628 9482
      3636 9486 3642 9479
TIME...MOT...LOC 0417Z 234DEG 43KT 3641 9465 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

69

791 
WWUS54 KTSA 210430
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1130 PM CDT Mon May 20 2019

OKC041-210440-
/O.EXP.KTSA.TO.W.0057.000000T0000Z-190521T0430Z/
Delaware OK-
1130 PM CDT Mon May 20 2019

...THE TORNADO WARNING FOR SOUTHEASTERN DELAWARE COUNTY HAS
EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been allowed to expire.

A Tornado Watch remains in effect until 100 AM CDT for northeastern
Oklahoma.

LAT...LON 3650 9462 3624 9458 3619 9471 3628 9482
      3636 9486 3642 9479
TIME...MOT...LOC 0430Z 232DEG 43KT 3650 9451 

$$

69

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, 11:14 PM CDT	Flash Flood Warning Emergency	TSA	Osage, Pawnee, Tulsa, Washington	6 hr
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

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.