Alert archive / Arkansas / Tornado Warnings in 2018

Tornado Warning 25, NWS Tulsa, OK

October 9, 2018Franklin County, Arkansas

NWS Tulsa, OK issued this tornado warning at Oct 9, 2018, 3:38 PM CDT for Franklin County, Arkansas. It was in force for 37 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
Oct 9, 2018, 3:38 PM CDT (20:38 UTC)
Expired
Oct 9, 2018, 4:15 PM CDT
In force
37 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), 63 km from the middle of the area, began a volume at 20:40 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
Oct 9, 12:17 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.6 hours before the alert went out and 151 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 2018-10-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 372 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 2018-10-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 square meters per square second.193958Sfc1 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
372 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
747 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

814 
WFUS54 KTSA 092038
TORTSA
ARC047-092115-
/O.NEW.KTSA.TO.W.0025.181009T2038Z-181009T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
338 PM CDT TUE OCT 9 2018

The National Weather Service in Tulsa has issued a

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

* Until 415 PM CDT.
    
* At 337 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 4 miles northeast of Wiederkehr Village, moving north
  at 20 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...
  Wiederkehr Village...             Taft...

This includes Interstate 40 in Arkansas between mile markers 40 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.

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 3546 9371 3548 9376 3566 9380 3567 9370
TIME...MOT...LOC 2037Z 185DEG 19KT 3551 9371 

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

$$
2 follow-up statements
194 
WWUS54 KTSA 092045
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
345 PM CDT TUE OCT 9 2018

ARC047-092115-
/O.CON.KTSA.TO.W.0025.000000T0000Z-181009T2115Z/
Franklin AR-
345 PM CDT TUE OCT 9 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR
NORTHEASTERN FRANKLIN COUNTY...
    
At 345 PM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles northeast of Wiederkehr Village, moving north at
25 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...
Taft...                           

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 3550 9371 3553 9375 3566 9380 3567 9370
TIME...MOT...LOC 2045Z 184DEG 20KT 3556 9371 

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

$$
559 
WWUS54 KTSA 092054
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
354 PM CDT TUE OCT 9 2018

ARC047-092115-
/O.CON.KTSA.TO.W.0025.000000T0000Z-181009T2115Z/
Franklin AR-
354 PM CDT TUE OCT 9 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR
NORTHEASTERN FRANKLIN COUNTY...
    
At 354 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles southeast of Cass, moving north 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...
Taft...                           

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 3557 9371 3559 9374 3566 9380 3567 9370
TIME...MOT...LOC 2054Z 187DEG 28KT 3563 9369 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 9, 12:54 PM CDTSevere Thunderstorm WarningTSABenton66 min
Oct 9, 3:58 PM CDTSevere Thunderstorm WarningTSAFranklin, Madison32 min
Oct 9, 4:09 PM CDTTornado WarningTSAMadison20 min
Oct 9, 5:43 PM CDTAreal Flood AdvisoryTSACarroll, Franklin, Madison3 hr

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.