Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 71, NWS Tulsa, OK

May 18, 2019Osage County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 18, 2019, 10:18 AM CDT for Osage County, Oklahoma. It was in force for 42 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 18, 2019, 10:18 AM CDT (15:18 UTC)
Expired: May 18, 2019, 11:00 AM CDT
In force: 42 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Osage County, OK

The radar

The Vance AFB radar (KVNX), 122 km from the middle of the area, began a volume at 15:18 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 18, 9:10 AM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 3.3 hours before the alert went out and 175 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.

334 
WUUS54 KTSA 181518
SVRTSA
OKC113-181600-
/O.NEW.KTSA.SV.W.0071.190518T1518Z-190518T1600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
1018 AM CDT Sat May 18 2019

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Northwestern Osage County in northeastern Oklahoma...

* Until 1100 AM CDT.

* At 1018 AM CDT, a severe thunderstorm was located 4 miles south of
  Foraker, moving north at 55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations in or near the path include...
  Pawhuska...                       Fairfax...
  Shidler...                        Burbank...
  Elgin...                          Grainola...
  Foraker...                        Pearsonia...
  Southern Kaw Lake...              Webb City...
  Apperson...                       

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.

&&

A Tornado Watch remains in effect until 500 PM CDT for northeastern
Oklahoma.

LAT...LON 3700 9623 3699 9623 3656 9630 3655 9674
      3657 9677 3655 9680 3655 9694 3656 9689
      3657 9689 3660 9692 3658 9698 3659 9706
      3669 9706 3670 9703 3668 9694 3675 9689
      3674 9683 3677 9682 3678 9675 3700 9675
TIME...MOT...LOC 1518Z 196DEG 50KT 3680 9657 

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

69

2 follow-up statements

030 
WWUS54 KTSA 181538
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1038 AM CDT Sat May 18 2019

OKC113-181600-
/O.CON.KTSA.SV.W.0071.000000T0000Z-190518T1600Z/
Osage OK-
1038 AM CDT Sat May 18 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM CDT
FOR NORTH CENTRAL OSAGE COUNTY...

At 1037 AM CDT, a severe thunderstorm was located 3 miles east of
Foraker, moving north 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...
Pawhuska...                       Shidler...
Burbank...                        Elgin...
Grainola...                       Foraker...
Pearsonia...                      Webb City...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

&&

A Tornado Watch remains in effect until 500 PM CDT for northeastern
Oklahoma.

LAT...LON 3700 9623 3699 9623 3666 9629 3666 9672
      3678 9675 3700 9675
TIME...MOT...LOC 1537Z 190DEG 39KT 3687 9650 

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

69

655 
WWUS54 KTSA 181602
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1102 AM CDT Sat May 18 2019

OKC113-181612-
/O.EXP.KTSA.SV.W.0071.000000T0000Z-190518T1600Z/
Osage OK-
1102 AM CDT Sat May 18 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL OSAGE COUNTY HAS
EXPIRED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore the warning has
been allowed to expire.

A Tornado Watch remains in effect until 500 PM CDT for northeastern
Oklahoma.

LAT...LON 3700 9623 3699 9623 3666 9629 3666 9672
      3678 9675 3700 9675
TIME...MOT...LOC 1602Z 196DEG 50KT 3719 9639 

$$

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, 10:22 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, 1:34 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.