Alert archive / Arkansas / Tornado Warnings in 2020

Tornado Warning 50, NWS Tulsa, OK

November 14, 2020Carroll County, Arkansas

NWS Tulsa, OK issued this tornado warning at Nov 14, 2020, 8:17 PM CST for Carroll County, Arkansas. It was in force for 25 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
Nov 14, 2020, 8:17 PM CST (02:17 UTC)
Expired
Nov 14, 2020, 8:42 PM CST
In force
25 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Carroll County, AR

The radar

The Springfield radar (KSGF), 89 km from the middle of the area, began a volume at 02:18 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.

IssuedProductOfficeLasted
Nov 14, 5:14 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.3 hours before the alert went out and 57 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 00:00Z on 2020-11-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 305 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 00:00Z on 2020-11-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 667 square meters per square second.1939587897117136Sfc1 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
305 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
667 m²/s²
0-3 km storm-relative helicity
734 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.9

Open this sounding in Storm Lab

The text

As transmitted.

239 
WFUS54 KTSA 150217
TORTSA
ARC015-150300-
/O.NEW.KTSA.TO.W.0050.201115T0217Z-201115T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
817 PM CST Sat Nov 14 2020

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Northern Carroll County in northwestern Arkansas...

* Until 900 PM CST.
    
* At 816 PM CST, a severe thunderstorm capable of producing a tornado
  was located over Eureka Springs, moving east at 40 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...
  Berryville...                     Eureka Springs...
  Beaver...                         Urbanette...
  Grandview...                      Pleasant Ridge...
  Oak Hill...                       

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 3641 9330 3637 9371 3647 9380 3650 9366
      3650 9330
TIME...MOT...LOC 0216Z 250DEG 36KT 3641 9371 

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

$$
3 follow-up statements
566 
WWUS54 KTSA 150224
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
824 PM CST Sat Nov 14 2020

ARC015-150300-
/O.CON.KTSA.TO.W.0050.000000T0000Z-201115T0300Z/
Carroll AR-
824 PM CST Sat Nov 14 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CST FOR
NORTHEASTERN CARROLL COUNTY...
    
At 824 PM CST, a severe thunderstorm capable of producing a tornado
was located near Grandview, moving east at 50 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...
Urbanette...                      Grandview...
Pleasant Ridge...                 

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 3644 9330 3641 9361 3646 9366 3650 9366
      3650 9330
TIME...MOT...LOC 0224Z 248DEG 41KT 3645 9359 

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

$$
389 
WWUS54 KTSA 150230
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
830 PM CST Sat Nov 14 2020

ARC015-150300-
/O.CON.KTSA.TO.W.0050.000000T0000Z-201115T0300Z/
Carroll AR-
830 PM CST Sat Nov 14 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CST FOR
NORTHEASTERN CARROLL COUNTY...
    
At 829 PM CST, a severe thunderstorm capable of producing a tornado
was located 3 miles north of Urbanette, moving east at 40 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.

This tornadic thunderstorm will remain over mainly rural areas of
northeastern Carroll County.

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 3644 9330 3643 9356 3646 9359 3650 9360
      3650 9330
TIME...MOT...LOC 0229Z 247DEG 34KT 3647 9353 

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

$$
746 
WWUS54 KTSA 150242
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
842 PM CST Sat Nov 14 2020

ARC015-150251-
/O.CAN.KTSA.TO.W.0050.000000T0000Z-201115T0300Z/
Carroll AR-
842 PM CST Sat Nov 14 2020

...THE TORNADO WARNING FOR NORTHEASTERN CARROLL COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.

A Tornado Watch remains in effect until midnight CST for northwestern
Arkansas.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tulsa.

LAT...LON 3644 9330 3643 9356 3646 9359 3650 9360
      3650 9330
TIME...MOT...LOC 0240Z 250DEG 36KT 3651 9338 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 14, 7:34 PM CSTSpecial Weather StatementTSABenton41 min
Nov 14, 7:59 PM CSTSevere Thunderstorm WarningTSABenton, Carroll46 min
Nov 14, 8:21 PM CSTSpecial Weather StatementTSABenton24 min
Nov 14, 8:43 PM CSTSevere Thunderstorm WarningTSABenton, Carroll29 min
Nov 14, 8:58 PM CSTSpecial Weather StatementTSABenton47 min
Nov 14, 9:25 PM CSTSpecial Weather StatementTSAMadison35 min
Nov 14, 9:27 PM CSTSpecial Weather StatementTSACrawford, Franklin33 min
Nov 14, 9:31 PM CSTSpecial Weather StatementTSACarroll, Washington44 min
Nov 14, 9:49 PM CSTSevere Thunderstorm WarningTSABenton, Carroll, Crawford, Madison, Washington41 min
Nov 14, 9:50 PM CSTSevere Thunderstorm WarningTSAFranklin25 min
Nov 14, 10:11 PM CSTSevere Thunderstorm WarningTSACarroll, Crawford, Franklin, Madison, Sebastian, Washington49 min
Nov 14, 10:57 PM CSTSevere Thunderstorm WarningTSACrawford, Franklin, Sebastian33 min

Nearby

Tornado Warnings in Arkansas, 2020Every tornado warning in 2020Tornadoes in 2020

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.