Alert archive / Arkansas / Tornado Warnings in 2019

Tornado Warning 20, NWS Tulsa, OK

April 30, 2019Benton County, Carroll County, Arkansas

NWS Tulsa, OK issued this tornado warning at Apr 30, 2019, 4:40 PM CDT for Benton County, Carroll County, Arkansas. It was in force for 50 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
Apr 30, 2019, 4:40 PM CDT (21:40 UTC)
Expired
Apr 30, 2019, 5:30 PM CDT
In force
50 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.5 in

Counties Benton County, AR, Carroll County, AR

The radar

The Springfield radar (KSGF), 106 km from the middle of the area, began a volume at 21:44 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.

IssuedProductOfficeLasted
Apr 30, 12:02 PM CDTTornado WatchSPC13 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.7 hours before the alert went out and 58 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.

530 
WFUS54 KTSA 302140
TORTSA
ARC007-015-302230-
/O.NEW.KTSA.TO.W.0020.190430T2140Z-190430T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
440 PM CDT Tue Apr 30 2019

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Northeastern Benton County in northwestern Arkansas...
  Northwestern Carroll County in northwestern Arkansas...

* Until 530 PM CDT.
    
* At 440 PM CDT, a severe thunderstorm with strong low level rotation
  that could produce a tornado at any time was located near Rogers,
  moving northeast at 35 mph.

  HAZARD...Tornado and ping pong ball 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...
  Springdale...                     Rogers...
  Bentonville...                    Eureka Springs...
  Lowell...                         Pea Ridge...
  Bethel Heights...                 Garfield...
  Gateway...                        Beaver...
  Centerton...                      Avoca...
  Hill Top...                       Beaver Lake...
  Walnut Hill...                    Monte Ne...
  Larue...                          Busch...

This includes Interstate 49 between mile markers 77 and 89.
 
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 3639 9370 3622 9415 3635 9426 3650 9406
      3650 9379
TIME...MOT...LOC 2140Z 233DEG 31KT 3630 9415 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$
3 follow-up statements
127 
WWUS54 KTSA 302152
SVSTSA

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

ARC007-015-302230-
/O.CON.KTSA.TO.W.0020.000000T0000Z-190430T2230Z/
Benton AR-Carroll AR-
452 PM CDT Tue Apr 30 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR
NORTHEASTERN BENTON AND NORTHWESTERN CARROLL COUNTIES...
    
At 452 PM CDT, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located 5 miles
northeast of Rogers, moving northeast at 35 mph.

HAZARD...Tornado and ping pong ball 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...                         Eureka Springs...
Pea Ridge...                      Garfield...
Gateway...                        Beaver...
Avoca...                          Larue...
Hill Top...                       Beaver Lake...
Walnut Hill...                    Busch...

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 3639 9370 3630 9394 3632 9405 3642 9417
      3650 9406 3650 9379
TIME...MOT...LOC 2152Z 239DEG 29KT 3637 9403 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$
981 
WWUS54 KTSA 302208 RRA
SVSTSA

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

ARC007-015-302230-
/O.CON.KTSA.TO.W.0020.000000T0000Z-190430T2230Z/
Benton AR-Carroll AR-
508 PM CDT Tue Apr 30 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR
NORTHEASTERN BENTON AND NORTHWESTERN CARROLL COUNTIES...
    
At 507 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles southeast of Garfield, moving northeast at 35
mph.

HAZARD...Tornado and half dollar 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...
Eureka Springs...                 Garfield...
Gateway...                        Beaver...
Hill Top...                       Beaver Lake...
Walnut Hill...                    Busch...

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 3639 9370 3636 9390 3636 9398 3644 9401
      3650 9400 3650 9379
TIME...MOT...LOC 2207Z 237DEG 28KT 3642 9390 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$
869 
WWUS54 KTSA 302227
SVSTSA

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

ARC007-015-302237-
/O.EXP.KTSA.TO.W.0020.000000T0000Z-190430T2230Z/
Benton AR-Carroll AR-
527 PM CDT Tue Apr 30 2019

...THE TORNADO WARNING FOR NORTHEASTERN BENTON AND NORTHWESTERN
CARROLL COUNTIES WILL EXPIRE AT 530 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

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

LAT...LON 3639 9370 3636 9390 3636 9398 3644 9401
      3650 9400 3650 9379
TIME...MOT...LOC 2227Z 233DEG 31KT 3652 9374 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
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, 3:11 PM CDTTornado WarningTSAWashington49 min
Apr 30, 3:51 PM CDTTornado WarningTSABenton39 min
Apr 30, 3:58 PM CDTTornado WarningTSABenton, Washington47 min
Apr 30, 4:07 PM CDTTornado WarningTSACarroll26 min
Apr 30, 4:25 PM CDTAreal Flood AdvisoryTSABenton, Washington3 hr
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 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.