Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 74, NWS Tulsa, OK

May 18, 20196 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 18, 2019, 11:14 AM CDT for 6 counties in Oklahoma. It was in force for 61 min. 2 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, 11:14 AM CDT (16:14 UTC)
Expired: May 18, 2019, 12:15 PM CDT
In force: 61 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties McIntosh County, OK, Muskogee County, OK, Okfuskee County, OK, Okmulgee County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 64 km from the middle of the area, began a volume at 16:15 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, 11:14 AM CDT	HAIL 1	3 Ese Liberty, OK
May 18, 11:17 AM CDT	HAIL 0.88	Morris, OK

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

Norman, OK (KOUN), launched 12:00Z, 4.2 hours before the alert went out and 154 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: 2398 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 639 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 236 m²/s²
0-3 km storm-relative helicity: 270 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 11.7

Open this sounding in Storm Lab

The text

As transmitted.

992 
WUUS54 KTSA 181614
SVRTSA
OKC091-101-107-111-143-145-181715-
/O.NEW.KTSA.SV.W.0074.190518T1614Z-190518T1715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
1114 AM CDT Sat May 18 2019

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  McIntosh County in southeastern Oklahoma...
  Wagoner County in northeastern Oklahoma...
  Western Muskogee County in east central Oklahoma...
  Okmulgee County in northeastern Oklahoma...
  Southeastern Tulsa County in northeastern Oklahoma...
  Southeastern Okfuskee County in east central Oklahoma...

* Until 1215 PM CDT.

* At 1113 AM CDT, severe thunderstorms were located along a line
  extending from 2 miles east of Bixby to 4 miles northeast of
  Dustin, moving east at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations in or near the path include...
  Broken Arrow...                   Muskogee...
  Okmulgee...                       Wagoner...
  Bixby...                          Coweta...
  Henryetta...                      Checotah...
  Haskell...                        Morris...
  Dewar...                          Okay...
  Porter...                         Schulter...
  Oktaha...                         Taft...
  Boynton...                        Grayson...
  Council Hill...                   Rentiesville...

This includes Interstate 40 in Oklahoma between mile markers 234 and
275.
 
A Tornado Watch remains in effect until 500 PM CDT for southeastern,
northeastern and east central Oklahoma.

LAT...LON 3586 9603 3608 9547 3607 9527 3534 9534
      3522 9598 3529 9598 3529 9606
TIME...MOT...LOC 1613Z 266DEG 29KT 3593 9584 3532 9597 

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

69

1 follow-up statement

958 
WWUS54 KTSA 181641
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1141 AM CDT Sat May 18 2019

OKC107-143-181651-
/O.CAN.KTSA.SV.W.0074.000000T0000Z-190518T1715Z/
Tulsa OK-Okfuskee OK-
1141 AM CDT Sat May 18 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TULSA AND
SOUTHEASTERN OKFUSKEE COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. therefore the warning has been cancelled.

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

LAT...LON 3586 9583 3608 9548 3607 9527 3534 9534
      3522 9598
TIME...MOT...LOC 1641Z 266DEG 29KT 3595 9557 3534 9570 

$$

OKC091-101-111-145-181715-
/O.CON.KTSA.SV.W.0074.000000T0000Z-190518T1715Z/
McIntosh OK-Wagoner OK-Muskogee OK-Okmulgee OK-
1141 AM CDT Sat May 18 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT
FOR MCINTOSH...WAGONER...WESTERN MUSKOGEE AND EASTERN OKMULGEE
COUNTIES...

At 1141 AM CDT, severe thunderstorms were located along a line
extending from 4 miles east of Coweta to 2 miles south of Stidham,
moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations in or near the path include...
Muskogee...                       Wagoner...
Coweta...                         Checotah...
Haskell...                        Morris...
Okay...                           Porter...
Oktaha...                         Taft...
Boynton...                        Grayson...
Council Hill...                   Rentiesville...
Hoffman...                        Tullahassee...
Stidham...                        Raiford...
Vivian...                         Stonebluff...

This includes Interstate 40 in Oklahoma between mile markers 241 and
275.
 
A Tornado Watch remains in effect until 500 PM CDT for southeastern,
northeastern and east central Oklahoma.

LAT...LON 3586 9583 3608 9548 3607 9527 3534 9534
      3522 9598
TIME...MOT...LOC 1641Z 266DEG 29KT 3595 9557 3534 9570 

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

69

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, 11:22 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, 1:34 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Haskell, Latimer, LeFlore, Pushmataha and 1 more	41 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

Nearby

Severe Thunderstorm Warnings in Oklahoma, 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.