Alert archive / Oklahoma / Tornado Warnings in 2019

Tornado Warning 110, NWS Tulsa, OK

October 20, 2019Adair County, Oklahoma; Washington County, Arkansas

NWS Tulsa, OK issued this tornado warning at Oct 20, 2019, 11:59 PM CDT for Adair County, Oklahoma; Washington County, Arkansas. It was in force for 31 min. 3 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: Oct 20, 2019, 11:59 PM CDT (04:59 UTC)
Expired: Oct 21, 2019, 12:30 AM CDT
In force: 31 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Washington County, AR, Adair County, OK

The radar

The Western Arkansas radar (KSRX), 71 km from the middle of the area, began a volume at 04:59 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
Oct 21, 12:05 AM CDT	TSTM WND GST 65	5 Wnw Westville, OK	MESONET REPORTS WIND GUST TO 65MPH AT WESTVILLE SITE.
Oct 21, 12:23 AM CDT	TSTM WND GST 80	1 Ese Prairie Grove, AR	TRAINED SPOTTER REPORTS TREES DOWN NEAR THE INTERSECTION OF AR ROAD 29 AND US 62. CAR DAMAGE WAS REPORTED AS WELL. WINDS WERE ESTIMATED TO BE 80MPH. TIME IS ESTIMATED FROM RADAR.
Oct 21, 12:23 AM CDT	TSTM WND GST 80	1 Ese Prairie Grove, AR	TRAINED SPOTTER REPORTS TREES DOWN NEAR THE INTERSECTION OF COUNTY ROAD 23 AND US 62 BYPASS. CAR DAMAGE WAS REPORTED AS WELL. WINDS WERE ESTIMATED TO BE 80MPH. TIME IS ESTIMATED FROM RADAR.

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
Oct 20, 8:27 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 5.0 hours before the alert went out and 129 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: 183 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 1000 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 270 m²/s²
0-3 km storm-relative helicity: 251 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted.

726 
WFUS54 KTSA 210459
TORTSA
ARC143-OKC001-210530-
/O.NEW.KTSA.TO.W.0110.191021T0459Z-191021T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
1159 PM CDT Sun Oct 20 2019

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Southwestern Washington County in northwestern Arkansas...
  Central Adair County in northeastern Oklahoma...

* Until 1230 AM CDT.
    
* At 1159 PM CDT, a severe thunderstorm capable of producing a
  tornado was located 4 miles southwest of Christie, moving east at
  75 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...
  Fayetteville...                   Stilwell...
  Farmington...                     Prairie Grove...
  West Fork...                      Lincoln...
  Westville...                      Greenland...
  Adair State Park...               Christie...
  Cincinnati...                     Maryetta...
  Baron...                          Proctor...
  Brentwood...                      Strickler...
  Drake Field Airport...            Johnson...
  Walnut Grove...                   Woolsey...

This includes Interstate 49 between mile markers 47 and 67.
 
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 3584 9410 3579 9480 3585 9481 3590 9481
      3590 9480 3601 9480 3612 9416
TIME...MOT...LOC 0459Z 259DEG 66KT 3591 9473 

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

$$

Lacy

2 follow-up statements

646 
WWUS54 KTSA 210515
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1215 AM CDT Mon Oct 21 2019

OKC001-210524-
/O.CAN.KTSA.TO.W.0110.000000T0000Z-191021T0530Z/
Adair OK-
1215 AM CDT Mon Oct 21 2019

...THE TORNADO WARNING FOR CENTRAL ADAIR 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 300 AM CDT for northwestern
Arkansas.

LAT...LON 3584 9410 3581 9450 3605 9454 3612 9416
TIME...MOT...LOC 0514Z 257DEG 51KT 3596 9446 

$$

ARC143-210530-
/O.CON.KTSA.TO.W.0110.000000T0000Z-191021T0530Z/
Washington AR-
1215 AM CDT Mon Oct 21 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR
SOUTHWESTERN WASHINGTON COUNTY...
    
At 1214 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Lincoln, moving east 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...
Fayetteville...                   Farmington...
Prairie Grove...                  West Fork...
Lincoln...                        Greenland...
Brentwood...                      Strickler...
Cincinnati...                     Drake Field Airport...
Johnson...                        Prairie Grove Battlefield State...
Walnut Grove...                   Woolsey...
Clyde...                          Rhea...
Canehill...                       Hogeye...
Summers...                        Morrow...

This includes Interstate 49 between mile markers 46 and 67.
 
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 3584 9410 3581 9450 3605 9454 3612 9416
TIME...MOT...LOC 0514Z 257DEG 51KT 3596 9446 

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

$$

Lacy

972 
WWUS54 KTSA 210526
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1226 AM CDT Mon Oct 21 2019

ARC143-210536-
/O.EXP.KTSA.TO.W.0110.000000T0000Z-191021T0530Z/
Washington AR-
1226 AM CDT Mon Oct 21 2019

...THE TORNADO WARNING FOR SOUTHWESTERN WASHINGTON COUNTY WILL EXPIRE
AT 1230 AM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.

A Tornado Watch remains in effect until 300 AM CDT for northwestern
Arkansas.

LAT...LON 3584 9410 3581 9450 3605 9454 3612 9416
TIME...MOT...LOC 0526Z 259DEG 66KT 3599 9424 

$$

Lacy

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 20, 8:16 PM CDT	Special Weather Statement	TSA	Creek	29 min
Oct 20, 8:18 PM CDT	Special Weather Statement	TSA	Creek	27 min
Oct 20, 8:20 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	18 min
Oct 20, 8:36 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Rogers, Tulsa, Wagoner	15 min
Oct 20, 8:43 PM CDT	Special Weather Statement	TSA	Pawnee	32 min
Oct 20, 8:50 PM CDT	Special Weather Statement	TSA	Tulsa	25 min
Oct 20, 8:53 PM CDT	Special Weather Statement	TSA	Tulsa	37 min
Oct 20, 8:54 PM CDT	Special Weather Statement	TSA	Okfuskee	36 min
Oct 20, 9:00 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee	45 min
Oct 20, 9:10 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa	35 min
Oct 20, 9:12 PM CDT	Special Weather Statement	TSA	Osage, Pawnee	33 min
Oct 20, 9:14 PM CDT	Special Weather Statement	TSA	Wagoner	31 min
Oct 20, 9:15 PM CDT	Special Weather Statement	TSA	Osage	45 min
Oct 20, 9:22 PM CDT	Special Weather Statement	TSA	Nowata, Washington	38 min
Oct 20, 9:25 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Wagoner	35 min
Oct 20, 9:28 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	47 min
Oct 20, 9:33 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Rogers, Washington	42 min
Oct 20, 9:37 PM CDT	Special Weather Statement	TSA	Tulsa	23 min
Oct 20, 9:41 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Rogers, Tulsa, Washington	34 min
Oct 20, 9:45 PM CDT	Special Weather Statement	TSA	Pawnee	30 min
Oct 20, 9:46 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee, Tulsa	44 min
Oct 20, 9:48 PM CDT	Areal Flood Advisory	TSA	Creek, Nowata, Osage, Pawnee, Rogers, Tulsa and 1 more	3 hr
Oct 20, 9:59 PM CDT	Severe Thunderstorm Warning	TSA	Delaware, Mayes, Ottawa	27 min
Oct 20, 10:13 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Nowata, Rogers, Tulsa, Washington	47 min
Oct 20, 10:14 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Okmulgee, Tulsa, Wagoner	29 min
Oct 20, 10:16 PM CDT	Special Weather Statement	TSA	Creek, Tulsa	29 min
Oct 20, 10:21 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa, Washington	24 min
Oct 20, 10:23 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Tulsa	37 min
Oct 20, 10:26 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Okfuskee, Okmulgee, Pittsburg	49 min
Oct 20, 10:34 PM CDT	Special Weather Statement	TSA	Ottawa	26 min
Oct 20, 10:38 PM CDT	Areal Flood Advisory	TSA	Cherokee, Creek, Mayes, Muskogee, Okfuskee, Okmulgee and 3 more	3 hr
Oct 20, 10:48 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Okmulgee, Rogers, Tulsa, Wagoner	16 min
Oct 20, 10:58 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa	47 min
Oct 20, 11:00 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, McIntosh, Muskogee, Okfuskee, Okmulgee, Pittsburg	45 min
Oct 20, 11:14 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Mayes, Wagoner	31 min
Oct 20, 11:29 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Haskell, McIntosh, Muskogee, Sequoyah and 1 more	46 min
Oct 20, 11:34 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware, Mayes	41 min
Oct 20, 11:41 PM CDT	Tornado Warning	TSA	Adair, Cherokee, Delaware	16 min
Oct 21, 12:02 AM CDT	Tornado Warning	TSA	Adair, Delaware	28 min
Oct 21, 12:04 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware, Haskell, Sequoyah	41 min
Oct 21, 12:07 AM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg, Pushmataha	53 min
Oct 21, 12:11 AM CDT	Special Weather Statement	TSA	Haskell	34 min
Oct 21, 12:30 AM CDT	Special Weather Statement	TSA	Choctaw	30 min
Oct 21, 12:34 AM CDT	Special Weather Statement	TSA	Haskell, Latimer	26 min
Oct 21, 12:41 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Sequoyah	49 min
Oct 21, 12:42 AM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore, Pushmataha	48 min
Oct 21, 12:49 AM CDT	Severe Thunderstorm Warning	TSA	Choctaw	41 min
Oct 21, 1:27 AM CDT	Special Weather Statement	TSA	McCurtain	33 min
Oct 21, 12:25 AM CDT	Tornado Warning	TSA	Benton, Carroll	35 min
Oct 21, 12:30 AM CDT	Tornado Warning	TSA	Benton	30 min
Oct 21, 1:06 AM CDT	Special Weather Statement	TSA	Sebastian	24 min
Oct 21, 1:25 AM CDT	Severe Thunderstorm Warning	TSA	Carroll, Crawford, Franklin, Madison, Sebastian	21 min

Nearby

Tornado Warnings in Oklahoma, 2019 Tornado Warnings in Arkansas, 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.