Alert archive / Oklahoma / Tornado Warnings in 2019

Tornado Warning 111, NWS Tulsa, OK

October 21, 2019Adair County, Delaware County, Oklahoma; Benton County, Arkansas

NWS Tulsa, OK issued this tornado warning at Oct 21, 2019, 12:02 AM CDT for Adair County, Delaware County, Oklahoma; Benton County, Arkansas. It was in force for 28 min. 8 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 21, 2019, 12:02 AM CDT (05:02 UTC)
Expired: Oct 21, 2019, 12:30 AM CDT
In force: 28 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Benton County, AR, Adair County, OK, Delaware County, OK

The radar

The Western Arkansas radar (KSRX), 104 km from the middle of the area, began a volume at 05:04 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	TORNADO	4 Sw Siloam Springs, OK	A TORNADO UPROOTED TREES AND DESTROYED OUTBUILDINGS
Oct 21, 12:07 AM CDT	TSTM WND DMG	1 Ene Siloam Springs, AR	MULTIPLE TREES DOWN AND HOMES DAMAGED IN THE FOREST HILLS SUBDIVISION. POSSIBLE TORNADO.
Oct 21, 12:08 AM CDT	TORNADO	2 Se Siloam Springs, AR	A TORNADO REMOVED THE ROOF FROM A BUSINESS...DAMAGED HOMES...SNAPPED POWER POLES...AND UPROOTED TREES.
Oct 21, 12:10 AM CDT	TSTM WND DMG	2 E Siloam Springs, AR	EMERGENCY MANAGE REPORTS DAMAGE IN SILOAM SPRINGS. STONECREST SUBDIVISION SUSTAINED DAMAGE. A SEMI WAS BLOWN OVER AT THE INTERSECTION OF SH 59 AND US412. POSSIBLE TORNADO. TIME ESTIMATED FROM RADAR.
Oct 21, 12:10 AM CDT	TSTM WND DMG	2 E Siloam Springs, AR	EMERGENCY MANAGER REPORTS DAMAGE IN SILOAM SPRINGS. STONECREST SUBDIVISION SUSTAINED DAMAGE. A SEMI WAS ALSO BLOWN OVER AT THE INTERSECTION OF SH 59 AND US 412. POSSIBLE TORNADO. TIME ESTIMATED FROM RADAR. THIS CORRECTS THE PREVIOUS REPORT.
Oct 21, 12:15 AM CDT	HAIL 1	Siloam Springs, AR	QUARTER SIZE HAIL WAS ESTIMATED FROM A PUBLIC SOCIAL MEDIA POST.
Oct 21, 12:21 AM CDT	TSTM WND DMG	Cave Springs, AR	PUBLIC REPORTS FENCES BLOWN DOWN, TREES BLOWN DOWN, AND NO POWER IN CAVE SPRINGS. TIME ESTIMATED FROM RADAR.
Oct 21, 12:30 AM CDT	TSTM WND DMG	1 S Siloam Springs, AR	TREES DOWN ON HOLLY STREET RIGHT BEFORE CENTRAL IN SILOAM SPRINGS.

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 91 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.

493 
WFUS54 KTSA 210502
TORTSA
ARC007-OKC001-041-210530-
/O.NEW.KTSA.TO.W.0111.191021T0502Z-191021T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
1202 AM CDT Mon Oct 21 2019

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Western Benton County in northwestern Arkansas...
  Southeastern Delaware County in northeastern Oklahoma...
  North central Adair County in northeastern Oklahoma...

* Until 1230 AM CDT.

* At 1202 AM CDT, a severe squall line capable of producing tornadoes
  that may not be visible due to heavy rain was located near West
  Siloam Springs, moving northeast at 55 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...
  Springdale...                     Rogers...
  Bentonville...                    Siloam Springs...
  Lowell...                         Gentry...
  Bethel Heights...                 Cave Springs...
  Decatur...                        West Siloam Springs...
  Highfill...                       Springtown...
  Northwest Arkansas Regional Air...
  Miller...
  Centerton...                      Lake Francis...
  Fairmount...                      Vaughn...
  Healing Springs...                Gallitin...

This includes Interstate 49 between mile markers 75 and 77, and
between mile markers 82 and 83.
 
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.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Tulsa.

&&

LAT...LON 3621 9413 3622 9433 3617 9434 3610 9467
      3621 9469 3644 9425
TIME...MOT...LOC 0502Z 246DEG 46KT 3616 9464 

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

$$

2 follow-up statements

855 
WWUS54 KTSA 210513
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1213 AM CDT Mon Oct 21 2019

OKC001-041-210522-
/O.CAN.KTSA.TO.W.0111.000000T0000Z-191021T0530Z/
Delaware OK-Adair OK-
1213 AM CDT Mon Oct 21 2019

...THE TORNADO WARNING FOR SOUTHEASTERN DELAWARE AND NORTH CENTRAL
ADAIR COUNTIES 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...and northeastern Oklahoma.

LAT...LON 3621 9413 3622 9433 3617 9434 3613 9456
      3627 9458 3644 9425
TIME...MOT...LOC 0512Z 246DEG 46KT 3621 9449 

$$

ARC007-210530-
/O.CON.KTSA.TO.W.0111.000000T0000Z-191021T0530Z/
Benton AR-
1213 AM CDT Mon Oct 21 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR WESTERN
BENTON COUNTY...

At 1212 AM CDT, a severe squall line capable of producing tornadoes
that may not be visible due to heavy rain was located 3 miles
northeast of Siloam Springs, moving northeast at 55 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...
Springdale...                     Rogers...
Bentonville...                    Siloam Springs...
Lowell...                         Gentry...
Bethel Heights...                 Cave Springs...
Decatur...                        West Siloam Springs...
Highfill...                       Springtown...
Northwest Arkansas Regional Air...
Miller...
Centerton...                      Fairmount...
Vaughn...                         Healing Springs...
Gallitin...                       Rocky Comfort...

This includes Interstate 49 between mile markers 75 and 77, and
between mile markers 82 and 83.
 
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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3621 9413 3622 9433 3617 9434 3613 9456
      3627 9458 3644 9425
TIME...MOT...LOC 0512Z 246DEG 46KT 3621 9449 

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

$$

259 
WWUS54 KTSA 210521
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1221 AM CDT Mon Oct 21 2019

ARC007-210530-
/O.CON.KTSA.TO.W.0111.000000T0000Z-191021T0530Z/
Benton AR-
1221 AM CDT Mon Oct 21 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR CENTRAL
BENTON COUNTY...

At 1221 AM CDT, a severe squall line capable of producing tornadoes
that may not be visible due to heavy rain was located over Northwest
Arkansas Regional Airport, moving northeast at 55 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...
Springdale...                     Rogers...
Bentonville...                    Lowell...
Bethel Heights...                 Cave Springs...
Highfill...                       Springtown...
Northwest Arkansas Regional Air...
Miller...
Centerton...                      Vaughn...
Healing Springs...                Rocky Comfort...

This includes Interstate 49 between mile markers 75 and 77, and
between mile markers 82 and 83.
 
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.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3620 9433 3619 9443 3631 9444 3644 9425
      3621 9413 3622 9433
TIME...MOT...LOC 0521Z 243DEG 48KT 3627 9432 

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

$$

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 20, 11:59 PM CDT	Tornado Warning	TSA	Adair	31 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.