Alert archive / Oklahoma / Tornado Warnings in 2017

Tornado Warning 30, NWS Tulsa, OK

May 18, 20174 counties in Oklahoma

NWS Tulsa, OK issued this tornado warning at May 18, 2017, 10:28 PM CDT for 4 counties in Oklahoma. It was in force for 47 min. 4 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 18, 2017, 10:28 PM CDT (03:28 UTC)
Expired: May 18, 2017, 11:15 PM CDT
In force: 47 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Cherokee County, OK, McIntosh County, OK, Muskogee County, OK, Sequoyah County, OK

The radar

The Tulsa radar (KINX), 77 km from the middle of the area, began a volume at 03:31 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 18, 10:35 PM CDT	TORNADO	2 Se Keefeton, OK	A TORNADO SNAPPED OR UPROOTED NUMEROUS TREES...DAMAGED OUTBUILDINGS...AND BLEW DOWN POWER POLES. BASED ON THIS DAMAGE...THE TORNADO WAS RATED EF-1.
May 18, 10:41 PM CDT	TORNADO	4 Sw Braggs, OK	A TORNADO UPROOTED TREES...SNAPPED NUMEROUS LARGE TREE LIMBS...DAMAGED OUTBUILDINGS...AND BLEW DOWN POWER POLES. BASED ON THIS DAMAGE...THE TORNADO WAS RATED EF-1.
May 18, 10:44 PM CDT	TSTM WND DMG	Braggs, OK	SEVERAL LARGE TREE LIMBS DOWN
May 18, 11:05 PM CDT	TSTM WND DMG	7 S Tahlequah, OK	TREES DOWN AND POWER OUT NEAR STATE HIGHWAY 82 AND CARTERS LANDING ROAD.

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 18, 6:02 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.5 hours before the alert went out and 199 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: 2055 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1439 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 52 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

As transmitted.

660 
WFUS54 KTSA 190328
TORTSA
OKC021-091-101-135-190415-
/O.NEW.KTSA.TO.W.0030.170519T0328Z-170519T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
1028 PM CDT THU MAY 18 2017

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Northeastern McIntosh County in southeastern Oklahoma...
  Northwestern Sequoyah County in east central Oklahoma...
  Southeastern Cherokee County in east central Oklahoma...
  East central Muskogee County in east central Oklahoma...

* Until 1115 PM CDT
    
* At 1028 PM CDT, a severe thunderstorm capable of producing a
  tornado was located 4 miles southeast of Rentiesville, moving
  northeast at 65 mph.

  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...
  Checotah...                       Warner...
  Gore...                           Webbers Falls...
  Marble City...                    Braggs...
  Rentiesville...                   Greenleaf State Park...
  Pumpkin Center...                 Cookson...
  Cherokee Landing State Park...    Lake Tenkiller State Park...
  Keefeton...                       Box...

This includes Interstate 40 in Oklahoma between mile markers 264 and
289.
 
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 3536 9547 3552 9558 3585 9492 3559 9478
TIME...MOT...LOC 0328Z 241DEG 55KT 3548 9544 

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

$$

69

3 follow-up statements

329 
WWUS54 KTSA 190338
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1038 PM CDT THU MAY 18 2017

OKC091-190347-
/O.CAN.KTSA.TO.W.0030.000000T0000Z-170519T0415Z/
McIntosh OK-
1038 PM CDT THU MAY 18 2017

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

A Severe Thunderstorm Warning remains in effect until 1115 pm. A 
tornado watch remains in effect until midnight CDT for southeastern 
and east central Oklahoma...and east central Oklahoma.

LAT...LON 3565 9481 3548 9535 3555 9535 3555 9538
      3562 9539 3585 9492
TIME...MOT...LOC 0337Z 235DEG 44KT 3557 9533 

$$

OKC021-101-135-190415-
/O.CON.KTSA.TO.W.0030.000000T0000Z-170519T0415Z/
Sequoyah OK-Cherokee OK-Muskogee OK-
1038 PM CDT THU MAY 18 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
NORTHWESTERN SEQUOYAH...SOUTHEASTERN CHEROKEE AND EAST CENTRAL
MUSKOGEE COUNTIES...
    
At 1037 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Keefeton, moving northeast at 50 mph.

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...
Warner...                         Braggs...
Cookson...                        Cherokee Landing State Park...
Greenleaf State Park...           Pumpkin Center...
Lake Tenkiller State Park...      Keefeton...

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 3565 9481 3548 9535 3555 9535 3555 9538
      3562 9539 3585 9492
TIME...MOT...LOC 0337Z 235DEG 44KT 3557 9533 

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

$$

69

058 
WWUS54 KTSA 190349
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1049 PM CDT THU MAY 18 2017

OKC135-190358-
/O.CAN.KTSA.TO.W.0030.000000T0000Z-170519T0415Z/
Sequoyah OK-
1049 PM CDT THU MAY 18 2017

...THE TORNADO WARNING FOR NORTHWESTERN SEQUOYAH 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 midnight CDT for east central
Oklahoma.

LAT...LON 3573 9485 3562 9519 3570 9523 3585 9492
TIME...MOT...LOC 0348Z 229DEG 51KT 3569 9516 

$$

OKC021-101-190415-
/O.CON.KTSA.TO.W.0030.000000T0000Z-170519T0415Z/
Cherokee OK-Muskogee OK-
1049 PM CDT THU MAY 18 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
SOUTHEASTERN CHEROKEE AND EAST CENTRAL MUSKOGEE COUNTIES...
    
At 1048 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Pumpkin Center, moving northeast at 60 mph.

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...
Braggs...                         Cookson...
Pumpkin Center...                 Cherokee Landing State Park...
Greenleaf 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 3573 9485 3562 9519 3570 9523 3585 9492
TIME...MOT...LOC 0348Z 229DEG 51KT 3569 9516 

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

$$

69

916 
WWUS54 KTSA 190406
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1106 PM CDT THU MAY 18 2017

OKC021-101-190415-
/O.EXP.KTSA.TO.W.0030.000000T0000Z-170519T0415Z/
Cherokee OK-Muskogee OK-
1106 PM CDT THU MAY 18 2017

...THE TORNADO WARNING FOR SOUTHEASTERN CHEROKEE AND EAST CENTRAL
MUSKOGEE COUNTIES WILL EXPIRE AT 1115 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.  However gusty winds
are still possible with this thunderstorm.

A tornado watch remains in effect until midnight CDT for east central
Oklahoma.

LAT...LON 3573 9485 3562 9519 3570 9523 3585 9492
TIME...MOT...LOC 0405Z 270DEG 55KT 3581 9487 

$$

69

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 7:17 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee	43 min
May 18, 7:43 PM CDT	Special Weather Statement	TSA	Osage	32 min
May 18, 8:00 PM CDT	Special Weather Statement	TSA	Creek, Tulsa	45 min
May 18, 8:06 PM CDT	Special Weather Statement	TSA	Okfuskee	24 min
May 18, 8:10 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Rogers, Tulsa	35 min
May 18, 8:33 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee	42 min
May 18, 8:42 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Rogers, Tulsa, Wagoner, Washington	48 min
May 18, 9:05 PM CDT	Areal Flood Advisory	TSA	Creek, Okfuskee, Okmulgee, Tulsa	115 min
May 18, 9:06 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Osage, Pawnee, Tulsa, Wagoner	24 min
May 18, 9:12 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	48 min
May 18, 9:26 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Osage, Rogers, Tulsa, Wagoner and 1 more	49 min
May 18, 9:35 PM CDT	Special Weather Statement	TSA	Craig, Nowata	25 min
May 18, 9:40 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Pittsburg	65 min
May 18, 9:48 PM CDT	Tornado Warning	TSA	Pittsburg	42 min
May 18, 9:54 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Okfuskee, Okmulgee	36 min
May 18, 10:00 PM CDT	Tornado Warning	TSA	McIntosh	30 min
May 18, 10:18 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Haskell, Latimer, McIntosh, Muskogee, Pittsburg and 1 more	57 min
May 18, 10:22 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Mayes, Muskogee, Okmulgee, Rogers, Tulsa and 1 more	38 min
May 18, 10:23 PM CDT	Tornado Warning	TSA	Muskogee, Wagoner	37 min
May 18, 10:37 PM CDT	Tornado Warning	TSA	Cherokee, Mayes, Muskogee, Wagoner	38 min
May 18, 10:42 PM CDT	Areal Flood Advisory	TSA	Rogers	3 hr
May 18, 10:57 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware, Haskell, LeFlore, Mayes and 3 more	48 min
May 18, 11:00 PM CDT	Tornado Warning	TSA	Adair, Cherokee	45 min
May 18, 11:01 PM CDT	Tornado Warning	TSA	Cherokee, Delaware, Mayes, Wagoner	44 min
May 18, 11:12 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Mayes, Ottawa, Rogers	48 min
May 18, 11:12 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Pittsburg, Pushmataha	48 min
May 18, 11:31 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Delaware, Sequoyah	59 min
May 18, 11:32 PM CDT	Tornado Warning	TSA	Delaware	43 min
May 18, 11:34 PM CDT	Tornado Warning	TSA	Adair, Delaware	41 min
May 18, 11:42 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Pittsburg	48 min
May 18, 11:48 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Sequoyah	42 min
May 18, 11:58 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore, Pittsburg, Pushmataha	62 min
May 19, 2:16 AM CDT	Special Weather Statement	TSA	Pawnee	44 min
May 19, 3:26 AM CDT	Special Weather Statement	TSA	Tulsa	34 min
May 19, 3:58 AM CDT	Special Weather Statement	TSA	Tulsa	32 min
May 19, 8:46 AM CDT	River Flood Warning	TSA	Osage	23 hr
May 19, 8:46 AM CDT	River Flood Warning	TSA	Osage, Tulsa	62 hr
May 19, 8:46 AM CDT	River Flood Warning	TSA	Tulsa	71 hr
May 19, 8:46 AM CDT	River Flood Warning	TSA	Creek	38 hr
May 19, 8:56 AM CDT	River Flood Warning	TSA	Washington	71 hr
May 19, 8:56 AM CDT	River Flood Warning	TSA	Rogers, Tulsa	4 days
May 19, 8:56 AM CDT	River Flood Warning	TSA	Ottawa	5 days
May 19, 10:57 AM CDT	Special Weather Statement	TSA	Tulsa	33 min
May 19, 11:07 AM CDT	Special Weather Statement	TSA	Osage	23 min
May 19, 1:18 PM CDT	Special Weather Statement	TSA	Muskogee	27 min
May 19, 1:47 PM CDT	Special Weather Statement	TSA	Cherokee, Delaware, Mayes	43 min
May 19, 2:10 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware, Mayes	26 min
May 19, 2:21 PM CDT	River Flood Advisory	TSA	Cherokee	3 days
May 19, 2:34 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Delaware	41 min
May 19, 3:46 PM CDT	Special Weather Statement	TSA	Adair	29 min
May 19, 4:03 PM CDT	Special Weather Statement	TSA	Okfuskee, Okmulgee	27 min
May 19, 4:18 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee, Tulsa, Wagoner	42 min
May 19, 4:42 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	48 min
May 19, 5:01 PM CDT	Special Weather Statement	TSA	Wagoner	29 min
May 19, 5:15 PM CDT	Special Weather Statement	TSA	Mayes, Okmulgee, Wagoner	30 min
May 19, 5:16 PM CDT	Areal Flood Advisory	TSA	Creek, Mayes, Muskogee, Okfuskee, Okmulgee, Rogers and 2 more	119 min
May 19, 5:20 PM CDT	Severe Thunderstorm Warning	TSA	Delaware, Mayes	2 min
May 19, 5:24 PM CDT	Severe Thunderstorm Warning	TSA	Delaware, Mayes	51 min
May 19, 6:04 PM CDT	Flash Flood Warning	TSA	Creek, Okfuskee, Okmulgee	8 hr
May 19, 6:15 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Delaware, Mayes, Muskogee, Ottawa, Wagoner	60 min
May 19, 6:19 PM CDT	Special Weather Statement	TSA	Okfuskee	26 min
May 19, 6:28 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	62 min

Nearby

Tornado Warnings in Oklahoma, 2017 Every tornado warning in 2017 Tornadoes 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.