Alert archive / Oklahoma / Tornado Warnings in 2019

Tornado Warning 16, NWS Tulsa, OK

April 30, 2019Adair County, Delaware County, Oklahoma; Benton County, Arkansas

NWS Tulsa, OK issued this tornado warning at Apr 30, 2019, 3:51 PM CDT for Adair County, Delaware County, Oklahoma; Benton County, Arkansas. It was in force for 39 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
Apr 30, 2019, 3:51 PM CDT (20:51 UTC)
Expired
Apr 30, 2019, 4:30 PM CDT
In force
39 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

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

The radar

The Western Arkansas radar (KSRX), 105 km from the middle of the area, began a volume at 20:52 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

TimeReportWhereRemark
Apr 30, 4:02 PM CDTHAIL 1Siloam Springs, AR
Apr 30, 4:39 PM CDTHAIL 1Bentonville, AR

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.

IssuedProductOfficeLasted
Apr 30, 12:02 PM CDTTornado WatchSPC13 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.9 hours before the alert went out and 90 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-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2019-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1237 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2019-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1237 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
721 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted.

260 
WFUS54 KTSA 302051
TORTSA
ARC007-OKC001-041-302130-
/O.NEW.KTSA.TO.W.0016.190430T2051Z-190430T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
351 PM CDT Tue Apr 30 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...
  Northeastern Adair County in northeastern Oklahoma...

* Until 430 PM CDT.
    
* At 351 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Watts, moving northeast at 40 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Rogers...                         Bentonville...
  Siloam Springs...                 Bella Vista...
  Pea Ridge...                      Gentry...
  Gravette...                       Cave Springs...
  Decatur...                        West Siloam Springs...
  Highfill...                       Watts...
  Springtown...                     Northwest Arkansas Regional
  Air...
  Hiwasse...                        Miller...
  Centerton...                      Avoca...
  Ballard...                        Gallitin...

This includes Interstate 49 between mile markers 82 and 93.
 
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 3646 9400 3621 9426 3621 9433 3614 9434
      3614 9439 3610 9439 3610 9455 3605 9454
      3604 9456 3612 9466 3624 9463 3650 9437
      3650 9406
TIME...MOT...LOC 2051Z 219DEG 35KT 3615 9456 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$
3 follow-up statements
248 
WWUS54 KTSA 302101
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
401 PM CDT Tue Apr 30 2019

OKC001-041-302110-
/O.CAN.KTSA.TO.W.0016.000000T0000Z-190430T2130Z/
Delaware OK-Adair OK-
401 PM CDT Tue Apr 30 2019

...THE TORNADO WARNING FOR SOUTHEASTERN DELAWARE AND NORTHEASTERN
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 1100 PM CDT for northwestern
Arkansas...and northeastern Oklahoma.

LAT...LON 3646 9400 3621 9426 3621 9433 3614 9434
      3614 9439 3610 9439 3610 9455 3628 9459
      3650 9437 3650 9406
TIME...MOT...LOC 2100Z 225DEG 29KT 3618 9449 

$$

ARC007-302130-
/O.CON.KTSA.TO.W.0016.000000T0000Z-190430T2130Z/
Benton AR-
401 PM CDT Tue Apr 30 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR WESTERN
BENTON COUNTY...
    
At 400 PM CDT, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located near Siloam
Springs, moving northeast at 35 mph.

HAZARD...Tornado and quarter size hail.

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...
Rogers...                         Bentonville...
Siloam Springs...                 Bella Vista...
Pea Ridge...                      Gentry...
Gravette...                       Cave Springs...
Decatur...                        West Siloam Springs...
Highfill...                       Springtown...
Northwest Arkansas Regional Air...
Hiwasse...
Miller...                         Centerton...
Avoca...                          Lake Francis...
Fairmount...                      Vaughn...

This includes Interstate 49 between mile markers 82 and 93.
 
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 3646 9400 3621 9426 3621 9433 3614 9434
      3614 9439 3610 9439 3610 9455 3628 9459
      3650 9437 3650 9406
TIME...MOT...LOC 2100Z 225DEG 29KT 3618 9449 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$
492 
WWUS54 KTSA 302116
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
416 PM CDT Tue Apr 30 2019

ARC007-302130-
/O.CON.KTSA.TO.W.0016.000000T0000Z-190430T2130Z/
Benton AR-
416 PM CDT Tue Apr 30 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
NORTHWESTERN BENTON COUNTY...
    
At 416 PM CDT, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located near Highfill,
moving northeast at 35 mph.

HAZARD...Tornado and quarter size hail.

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...
Rogers...                         Bentonville...
Bella Vista...                    Pea Ridge...
Decatur...                        Highfill...
Springtown...                     Hiwasse...
Northwest Arkansas Regional Air...
Miller...
Centerton...                      Vaughn...

This includes Interstate 49 between mile markers 85 and 93.
 
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 3646 9400 3629 9426 3626 9433 3622 9442
      3630 9447 3650 9434 3650 9406
TIME...MOT...LOC 2116Z 222DEG 32KT 3629 9438 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$
026 
WWUS54 KTSA 302128
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
428 PM CDT Tue Apr 30 2019

ARC007-302137-
/O.EXP.KTSA.TO.W.0016.000000T0000Z-190430T2130Z/
Benton AR-
428 PM CDT Tue Apr 30 2019

...THE TORNADO WARNING FOR NORTHWESTERN BENTON COUNTY WILL EXPIRE AT
430 PM 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.  However small hail
and gusty winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 1100 PM CDT for northwestern
Arkansas.

Remember, a Tornado Warning still remains in effect for central 
Benton and Northwestern Washington Counties until 445 pm.

LAT...LON 3646 9400 3629 9426 3626 9433 3622 9442
      3630 9447 3650 9434 3650 9406
TIME...MOT...LOC 2127Z 219DEG 35KT 3637 9430 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 7:06 AM CDTSpecial Weather StatementTSAOsage24 min
Apr 30, 7:28 AM CDTSpecial Weather StatementTSAOsage32 min
Apr 30, 9:16 AM CDTRiver Flood WarningTSACreek38 hr
Apr 30, 9:16 AM CDTRiver Flood WarningTSAOsage, Tulsa41 hr
Apr 30, 9:16 AM CDTRiver Flood WarningTSARogers, Tulsa48 hr
Apr 30, 9:21 AM CDTRiver Flood WarningTSAAdair, Delaware48 hr
Apr 30, 9:21 AM CDTRiver Flood WarningTSACherokee70 hr
Apr 30, 9:25 AM CDTRiver Flood WarningTSALeFlore34 hr
Apr 30, 9:25 AM CDTRiver Flood WarningTSALeFlore4 days
Apr 30, 9:34 AM CDTRiver Flood AdvisoryTSAAdair, Cherokee, Delaware23 hr
Apr 30, 9:34 AM CDTRiver Flood AdvisoryTSACherokee, Delaware31 hr
Apr 30, 9:56 AM CDTRiver Flood WarningTSAOttawa21 days
Apr 30, 11:27 AM CDTSpecial Weather StatementTSAOsage33 min
Apr 30, 11:34 AM CDTTornado WarningTSAOsage, Washington41 min
Apr 30, 11:56 AM CDTSpecial Weather StatementTSANowata49 min
Apr 30, 12:02 PM CDTTornado WarningTSACraig, Nowata43 min
Apr 30, 12:27 PM CDTTornado WarningTSACreek, Osage, Pawnee, Tulsa48 min
Apr 30, 12:44 PM CDTTornado WarningTSACraig16 min
Apr 30, 1:06 PM CDTSevere Thunderstorm WarningTSADelaware, Ottawa39 min
Apr 30, 1:19 PM CDTSpecial Weather StatementTSAOkmulgee26 min
Apr 30, 1:32 PM CDTAreal Flood AdvisoryTSACreek, Osage, Pawnee4 hr
Apr 30, 1:35 PM CDTSevere Thunderstorm WarningTSANowata, Osage, Pawnee, Washington40 min
Apr 30, 1:47 PM CDTTornado WarningTSAOsage, Washington43 min
Apr 30, 1:56 PM CDTFlash Flood WarningTSACreek, Osage, Pawnee6 hr
Apr 30, 2:14 PM CDTTornado WarningTSAMayes, Muskogee, Okmulgee, Rogers, Wagoner46 min
Apr 30, 2:25 PM CDTRiver Flood WarningTSAPushmataha72 hr
Apr 30, 2:30 PM CDTTornado WarningTSANowata, Rogers, Washington45 min
Apr 30, 2:52 PM CDTTornado Warning Tornado observedConsiderable damage threatTSACraig, Nowata, Rogers53 min
Apr 30, 2:59 PM CDTSevere Thunderstorm WarningTSACherokee, Mayes, Rogers, Wagoner46 min
Apr 30, 3:05 PM CDTTornado WarningTSACraig, Nowata25 min
Apr 30, 3:07 PM CDTTornado WarningTSAMayes, Wagoner38 min
Apr 30, 3:11 PM CDTTornado WarningTSAAdair, Cherokee49 min
Apr 30, 3:43 PM CDTTornado WarningTSACraig, Ottawa47 min
Apr 30, 3:50 PM CDTFlash Flood WarningTSACraig, Nowata, Osage, Rogers, Tulsa, Washington6 hr
Apr 30, 3:58 PM CDTTornado WarningTSAAdair47 min
Apr 30, 4:26 PM CDTTornado WarningTSAOttawa49 min
Apr 30, 4:56 PM CDTTornado WarningTSADelaware, Ottawa19 min
Apr 30, 5:05 PM CDTTornado WarningTSACraig, Delaware, Mayes, Ottawa40 min
Apr 30, 5:27 PM CDTAreal Flood AdvisoryTSAOttawa2 hr
Apr 30, 5:33 PM CDTAreal Flood AdvisoryTSACraig, Mayes, Rogers117 min
Apr 30, 5:43 PM CDTTornado WarningTSADelaware, Ottawa32 min
Apr 30, 6:01 PM CDTSevere Thunderstorm WarningTSACraig, Nowata44 min
Apr 30, 6:15 PM CDTSevere Thunderstorm WarningTSAOttawa30 min
Apr 30, 6:18 PM CDTFlash Flood WarningTSACraig, Delaware, Mayes, Ottawa6 hr
Apr 30, 6:20 PM CDTAreal Flood AdvisoryTSACreek, Rogers, Tulsa, Wagoner3 hr
Apr 30, 6:21 PM CDTSpecial Weather StatementTSARogers39 min
Apr 30, 6:24 PM CDTSpecial Weather StatementTSATulsa51 min
Apr 30, 6:43 PM CDTTornado WarningTSAOttawa32 min
Apr 30, 9:34 AM CDTRiver Flood AdvisoryTSACrawford, Franklin18 hr
Apr 30, 1:08 PM CDTTornado WarningTSAMadison30 min
Apr 30, 1:27 PM CDTTornado WarningTSAMadison20 min
Apr 30, 4:07 PM CDTTornado WarningTSACarroll26 min
Apr 30, 4:25 PM CDTAreal Flood AdvisoryTSABenton, Washington3 hr
Apr 30, 4:40 PM CDTTornado WarningTSABenton, Carroll50 min
Apr 30, 5:18 PM CDTSpecial Weather StatementTSACrawford27 min
Apr 30, 5:36 PM CDTTornado WarningTSABenton, Washington39 min
Apr 30, 6:05 PM CDTSevere Thunderstorm WarningTSABenton28 min
Apr 30, 6:19 PM CDTSpecial Weather StatementTSAWashington26 min
Apr 30, 6:47 PM CDTSpecial Weather StatementTSAMadison43 min

Nearby

Tornado Warnings in Oklahoma, 2019Tornado Warnings in Arkansas, 2019Every tornado warning in 2019Tornadoes 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.