Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 85, NWS Tulsa, OK

May 18, 20197 counties in Oklahoma; 4 counties in Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 18, 2019, 1:34 PM CDT for 7 counties in Oklahoma; 4 counties in Arkansas. It was in force for 41 min. 15 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, 2019, 1:34 PM CDT (18:34 UTC)
Expired: May 18, 2019, 2:15 PM CDT
In force: 41 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Crawford County, AR, Franklin County, AR, Sebastian County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, Pushmataha County, OK, Sequoyah County, OK

The radar

The Western Arkansas radar (KSRX), 22 km from the middle of the area, began a volume at 18:34 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, 1:35 PM CDT	TSTM WND DMG	Poteau, OK	HUGE TREE DOWN ON TOP OF VEHICLE. PICTURE RECEIVED VIA SOCIAL MEDIA.
May 18, 1:47 PM CDT	TSTM WND DMG	1 Ese Spiro, OK	TREE LIMBS TO ONE INCH IN DIAMETER BROKEN, SHINGLES BLOWN OFF A ROOF.
May 18, 1:50 PM CDT	TSTM WND DMG	Greenwood, AR	ARKANSAS STATE EMERGENCY MANAGEMENT REPORTS TREES DOWN WEST OF GREENWOOD BETWEEN HIGHWAY 10 AND 253.
May 18, 1:59 PM CDT	TORNADO	3 Ssw Fort Smith, AR	A TORNADO UPROOTED MANY TREES...DAMAGED HOMES...AND SNAPPED POWER POLES.
May 18, 2:00 PM CDT	TSTM WND DMG	Fort Smith, AR	10-12 HOMES WITH ROOF DAMAGE IN THE AREA OF PHOENIX AVENUE. POSSIBLE TORNADO.
May 18, 2:00 PM CDT	TSTM WND GST 78	Pocola, OK	EMERGENCY MANAGEMENT REPORTED 78 MPH WINDS WHICH WERE RECORDED AT POCOLA RACE TRACK.
May 18, 2:00 PM CDT	TORNADO	2 Nw Greenwood, AR	A TORNADO SEVERELY DAMAGED SEVERAL HOMES...SNAPPED OR UPROOTED NUMEROUS TREES...DESTROYED OUTBUILDINGS...AND SNAPPED POWER POLES.
May 18, 2:04 PM CDT	TORNADO	6 Ese Fort Smith, AR	A TORNADO UPROOTED TREES AND DAMAGED HOMES.
May 18, 2:05 PM CDT	TSTM WND DMG	Barling, AR	POWER LINES AND TRANSFORMER DOWNED NEAR BARLING. PICTURE RECEIVED VIA SOCIAL MEDIA.
May 18, 2:05 PM CDT	TSTM WND DMG	Barling, AR	TREES AND POWER LINES DOWN NEAR BARLING.
May 18, 2:05 PM CDT	TSTM WND DMG	Fort Smith, AR	INTERSTATE SIGN SNAPPED AND THROWN INTO THE MIDDLE OF INTERSTATE 540 JUST SOUTH OF THE ZERO STREET EXIT IN FORT SMITH.
May 18, 2:10 PM CDT	TSTM WND DMG	Lavaca, AR	EMERGENCY MANAGEMENT REPORTED EXTENSIVE DAMAGE TO RESIDENCE IN LAVACA ON SOUTH RIVER ROAD AND TREES FALLEN IN MULTIPLE DIRECTIONS.
May 18, 2:10 PM CDT	TORNADO	4 W Charleston, AR	A TORNADO UPROOTED TREES AND DAMAGED HOMES.
May 18, 2:20 PM CDT	TSTM WND DMG	Vesta, AR	LARGE TREES DOWN NORTH OF VESTA ON HIGHWAY 215.
May 18, 2:25 PM CDT	TORNADO	Wnw Mulberry, AR	A TORNADO UPROOTED TREES AND DAMAGED SEVERAL HOMES.

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, 9:10 AM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 6.6 hours before the alert went out and 207 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: 717 J/kg
Mixed-layer CIN: -216 J/kg
Mixed-layer LCL: 969 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 345 m²/s²
0-3 km storm-relative helicity: 385 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

807 
WUUS54 KTSA 181834
SVRTSA
ARC033-047-131-143-OKC001-021-061-077-079-127-135-181915-
/O.NEW.KTSA.SV.W.0085.190518T1834Z-190518T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
134 PM CDT Sat May 18 2019

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Southwestern Franklin County in west central Arkansas...
  Crawford County in northwestern Arkansas...
  Sebastian County in west central Arkansas...
  Southern Washington County in northwestern Arkansas...
  Eastern Haskell County in southeastern Oklahoma...
  Northeastern Pushmataha County in southeastern Oklahoma...
  Sequoyah County in east central Oklahoma...
  Northeastern Latimer County in southeastern Oklahoma...
  Southern Adair County in northeastern Oklahoma...
  Le Flore County in southeastern Oklahoma...
  Southeastern Cherokee County in east central Oklahoma...

* Until 215 PM CDT.

* At 134 PM CDT, severe thunderstorms were located along a line
  extending from 5 miles southeast of Baron to 6 miles southeast of
  Octavia, moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations in or near the path include...
  Fort Smith...                     Van Buren...
  Sallisaw...                       Poteau...
  Stilwell...                       Charleston...
  Cedarville...                     Mountainburg...
  Natural Dam...                    Greenwood...
  Alma...                           Barling...
  Pocola...                         Muldrow...
  Heavener...                       Roland...
  West Fork...                      Lavaca...
  Spiro...                          Arkoma...

This includes the following highways,
 Interstate 40 in Arkansas between mile markers 0 and 23.
 Interstate 40 in Oklahoma between mile markers 291 and 328.
 Interstate 540 between mile markers 1 and 14.
 Interstate 49 between mile markers 22 and 52.

A Tornado Watch remains in effect until 500 PM CDT for northwestern
and west central Arkansas...and southeastern, northeastern and east
central Oklahoma.

LAT...LON 3514 9414 3510 9414 3506 9425 3506 9423
      3497 9424 3495 9434 3496 9437 3493 9445
      3451 9446 3451 9503 3585 9506 3595 9404
      3514 9403
TIME...MOT...LOC 1834Z 261DEG 39KT 3588 9453 3449 9461 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 8:41 AM CDT	Special Weather Statement	TSA	Tulsa	34 min
May 18, 8:58 AM CDT	Special Weather Statement	TSA	Tulsa	32 min
May 18, 9:26 AM CDT	Special Weather Statement	TSA	Creek, Pawnee	64 min
May 18, 10:02 AM CDT	Special Weather Statement	TSA	Okfuskee	58 min
May 18, 10:14 AM CDT	Special Weather Statement	TSA	Osage	61 min
May 18, 10:18 AM CDT	Severe Thunderstorm Warning	TSA	Osage	42 min
May 18, 10:22 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	53 min
May 18, 10:26 AM CDT	Special Weather Statement	TSA	Craig	34 min
May 18, 10:47 AM CDT	Special Weather Statement	TSA	McIntosh, Okmulgee, Rogers, Tulsa, Wagoner	58 min
May 18, 11:00 AM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa, Wagoner	60 min
May 18, 11:06 AM CDT	Tornado Warning	TSA	Rogers, Tulsa, Wagoner	39 min
May 18, 11:14 AM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Okfuskee, Okmulgee, Tulsa, Wagoner	61 min
May 18, 11:22 AM CDT	Special Weather Statement	TSA	Nowata, Washington	38 min
May 18, 11:27 AM CDT	Severe Thunderstorm Warning	TSA	Latimer, McIntosh, Pittsburg, Pushmataha	48 min
May 18, 11:33 AM CDT	Tornado Warning	TSA	Rogers	27 min
May 18, 11:43 AM CDT	Tornado Warning	TSA	Mayes, Rogers, Wagoner	47 min
May 18, 11:46 AM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Craig, Mayes, Nowata, Rogers, Wagoner	59 min
May 18, 11:56 AM CDT	Tornado Warning	TSA	Cherokee, Wagoner	49 min
May 18, 11:58 AM CDT	Tornado Warning	TSA	Craig, Mayes, Rogers	47 min
May 18, 11:58 AM CDT	Tornado Warning	TSA	Latimer, Pittsburg	17 min
May 18, 12:05 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Haskell, McIntosh, Muskogee, Sequoyah	55 min
May 18, 12:10 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, McIntosh, Muskogee, Pittsburg, Pushmataha	50 min
May 18, 12:30 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Craig, Delaware, Mayes, Ottawa	45 min
May 18, 12:35 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	25 min
May 18, 12:40 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Ottawa	50 min
May 18, 12:45 PM CDT	Tornado Warning	TSA	Haskell	15 min
May 18, 12:55 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Haskell, McIntosh, Muskogee, Sequoyah	50 min
May 18, 12:57 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Haskell, Latimer, LeFlore, McIntosh, Muskogee and 3 more	48 min
May 18, 1:07 PM CDT	Tornado Warning	TSA	Haskell	17 min
May 18, 1:08 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware, Ottawa	67 min
May 18, 1:11 PM CDT	Tornado Warning	TSA	LeFlore	34 min
May 18, 1:21 PM CDT	Tornado Warning	TSA	Haskell, LeFlore	24 min
May 18, 1:38 PM CDT	Tornado Warning	TSA	LeFlore	30 min
May 18, 4:54 PM CDT	Special Weather Statement	TSA	Choctaw, Pushmataha	36 min
May 18, 6:04 PM CDT	Special Weather Statement	TSA	Choctaw	26 min
May 18, 1:54 PM CDT	Tornado Warning	TSA	Crawford, Sebastian	36 min
May 18, 2:02 PM CDT	Tornado Warning	TSA	Sebastian	28 min
May 18, 2:04 PM CDT	Tornado Warning	TSA	Sebastian	19 min
May 18, 2:08 PM CDT	Tornado Warning	TSA	Crawford, Franklin, Madison, Washington	37 min
May 18, 2:11 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Madison, Sebastian, Washington	64 min
May 18, 2:13 PM CDT	Tornado Warning	TSA	Franklin, Sebastian	32 min
May 18, 2:15 PM CDT	Severe Thunderstorm Warning	TSA	Carroll, Madison, Washington	60 min
May 18, 2:23 PM CDT	Tornado Warning	TSA	Crawford, Franklin	23 min
May 18, 2:40 PM CDT	Tornado Warning	TSA	Franklin, Madison	35 min
May 18, 2:49 PM CDT	Severe Thunderstorm Warning	TSA	Benton, Carroll, Madison	42 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2019 Severe Thunderstorm Warnings in Arkansas, 2019 Every severe thunderstorm 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.