Alert archive / Arkansas / Tornado Warnings in 2018

Tornado Warning 27, NWS Tulsa, OK

November 30, 2018Franklin County, Arkansas

NWS Tulsa, OK issued this tornado warning at Nov 30, 2018, 6:22 PM CST for Franklin County, Arkansas. It was in force for 38 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 30, 2018, 6:22 PM CST (00:22 UTC)
Expired
Nov 30, 2018, 7:00 PM CST
In force
38 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Franklin County, AR

The radar

The Western Arkansas radar (KSRX), 44 km from the middle of the area, began a volume at 00:25 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 nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.4 hours before the alert went out and 175 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 2018-12-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 202 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 2018-12-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 241 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
202 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
687 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
241 m²/s²
0-3 km storm-relative helicity
266 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

065 
WFUS54 KTSA 010022
TORTSA
ARC047-010100-
/O.NEW.KTSA.TO.W.0027.181201T0022Z-181201T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
622 PM CST FRI NOV 30 2018

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Southern Franklin County in west central Arkansas...

* Until 700 PM CST.
    
* At 621 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Charleston, 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...
  Ozark...                          Charleston...
  Altus...                          Branch...
  Denning...                        Wiederkehr Village...
  Caulksville...                    Etna...
  Peter Pender...                   Alix...
  Vesta...                          Meg...

This includes Interstate 40 in Arkansas between mile markers 38 and
42.
 
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 3538 9371 3537 9375 3540 9379 3542 9380
      3531 9381 3532 9392 3523 9392 3523 9402
      3521 9403 3521 9405 3526 9408 3536 9408
      3556 9371
TIME...MOT...LOC 0021Z 239DEG 49KT 3530 9400 

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

$$
4 follow-up statements
532 
WWUS54 KTSA 010027
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
627 PM CST FRI NOV 30 2018

ARC047-010100-
/O.CON.KTSA.TO.W.0027.000000T0000Z-181201T0100Z/
Franklin AR-
627 PM CST FRI NOV 30 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CST FOR SOUTHERN
FRANKLIN COUNTY...
    
At 627 PM CST, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located over Charleston,
moving northeast at 30 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...
Ozark...                          Charleston...
Altus...                          Branch...
Denning...                        Ratcliff...
Wiederkehr Village...             Caulksville...
Etna...                           Alix...
Meg...                            Peter Pender...
Vesta...                          

This includes Interstate 40 in Arkansas between mile markers 38 and
42.
 
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 3538 9380 3539 9381 3541 9382 3531 9383
      3532 9392 3531 9392 3531 9394 3523 9394
      3523 9398 3524 9402 3525 9405 3527 9408
      3536 9408 3556 9371 3538 9371 3537 9375
      3540 9379 3542 9380
TIME...MOT...LOC 0027Z 226DEG 24KT 3531 9401 

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

$$
157 
WWUS54 KTSA 010035
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
635 PM CST FRI NOV 30 2018

ARC047-010100-
/O.CON.KTSA.TO.W.0027.000000T0000Z-181201T0100Z/
Franklin AR-
635 PM CST FRI NOV 30 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CST FOR SOUTHERN
FRANKLIN COUNTY...
    
At 635 PM CST, a severe thunderstorm capable of producing a tornado
was located 3 miles north of Branch, moving northeast at 35 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...
Ozark...                          Altus...
Branch...                         Denning...
Ratcliff...                       Wiederkehr Village...
Caulksville...                    Etna...
Peter Pender...                   Alix...
Meg...                            

This includes Interstate 40 in Arkansas between mile markers 38 and
42.
 
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 3532 9392 3531 9392 3531 9400 3532 9403
      3534 9405 3538 9404 3556 9371 3538 9371
      3537 9375 3540 9379 3542 9380 3538 9380
      3539 9381 3541 9382 3531 9383
TIME...MOT...LOC 0035Z 224DEG 29KT 3536 9395 

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

$$
299 
WWUS54 KTSA 010042
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
642 PM CST FRI NOV 30 2018

ARC047-010100-
/O.CON.KTSA.TO.W.0027.000000T0000Z-181201T0100Z/
Franklin AR-
642 PM CST FRI NOV 30 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CST FOR EAST
CENTRAL FRANKLIN COUNTY...
    
At 642 PM CST, a severe thunderstorm capable of producing a tornado
was located 6 miles north of Ratcliff, moving northeast at 35 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...
Ozark...                          Altus...
Denning...                        Wiederkehr Village...
Etna...                           Peter Pender...
Alix...                           Meg...

This includes Interstate 40 in Arkansas between mile markers 38 and
42.
 
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 3535 9388 3535 9393 3536 9394 3537 9396
      3542 9397 3556 9371 3538 9371 3537 9375
      3540 9379 3542 9380 3538 9380 3539 9381
      3541 9382 3536 9383
TIME...MOT...LOC 0042Z 230DEG 29KT 3540 9390 

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

$$
886 
WWUS54 KTSA 010051
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
651 PM CST FRI NOV 30 2018

ARC047-010100-
/O.EXP.KTSA.TO.W.0027.000000T0000Z-181201T0100Z/
Franklin AR-
651 PM CST FRI NOV 30 2018

...THE TORNADO WARNING FOR EAST CENTRAL FRANKLIN COUNTY WILL EXPIRE
AT 700 PM CST...
                
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 gusty winds
are still possible with this thunderstorm.

A Tornado Watch remains in effect until 200 AM CST for west central
Arkansas.

LAT...LON 3535 9388 3535 9393 3536 9394 3537 9396
      3542 9397 3556 9371 3538 9371 3537 9375
      3540 9379 3542 9380 3538 9380 3539 9381
      3541 9382 3536 9383
TIME...MOT...LOC 0050Z 239DEG 49KT 3545 9379 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 30, 6:03 PM CSTSpecial Weather StatementTSAFranklin42 min
Nov 30, 6:20 PM CSTSevere Thunderstorm WarningTSABenton, Washington35 min
Nov 30, 6:55 PM CSTSpecial Weather StatementTSAFranklin35 min
Nov 30, 10:29 PM CSTTornado Warning Tornado observedConsiderable damage threatTSABenton20 min
Nov 30, 10:37 PM CSTSevere Thunderstorm WarningTSACrawford, Washington38 min
Nov 30, 10:50 PM CSTSevere Thunderstorm WarningTSACrawford, Sebastian55 min
Nov 30, 11:09 PM CSTTornado WarningTSACrawford21 min
Nov 30, 11:16 PM CSTSevere Thunderstorm WarningTSACrawford, Franklin, Sebastian44 min
Nov 30, 11:19 PM CSTSevere Thunderstorm WarningTSACrawford, Madison, Washington56 min
Nov 30, 11:21 PM CSTAreal Flood AdvisoryTSACrawford, Franklin, Sebastian3 hr
Nov 30, 11:25 PM CSTSevere Thunderstorm WarningTSABenton, Washington51 min
Nov 30, 11:51 PM CSTSevere Thunderstorm WarningTSABenton, Carroll, Madison, Washington41 min

Nearby

Tornado Warnings in Arkansas, 2018Every tornado warning in 2018Tornadoes in 2018

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.