Alert archive / Arkansas / Tornado Warnings in 2018

Tornado Warning 3, NWS Tulsa, OK

January 21, 2018Franklin County, Arkansas

NWS Tulsa, OK issued this tornado warning at Jan 21, 2018, 7:26 PM CST for Franklin County, Arkansas. It was in force for 34 min. 4 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
Jan 21, 2018, 7:26 PM CST (01:26 UTC)
Expired
Jan 21, 2018, 8:00 PM CST
In force
34 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), 46 km from the middle of the area, began a volume at 01:31 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
Jan 21, 7:34 PM CSTTSTM WND DMG5 Ne Charleston, ARSTRONG THUNDERSTORM WIND BLEW DOWN LARGE TREE LIMBS
Jan 21, 7:40 PM CSTTSTM WND DMGCecil, AR24 INCH DIAMETER TREE DOWN, SIDING BLOW DOWN, AND POWER LINES DOWN NEAR 541 PINE HOLLER ROAD NEAR CECIL. TREES ALSO DOWN NEAR HIGHWAY 41 AND MONTOOTH ROAD.
Jan 21, 7:40 PM CSTTSTM WND DMGCecil, ARPOSSIBLE TORNADO. 24 INCH DIAMETER TREE DOWN, SIDING BLOWN DOWN, POWER LINES DOWN. ON PINE HOLLER RD NEAR CECIL.
Jan 21, 7:42 PM CSTTORNADO2 Se Cecil, ARA TORNADO SNAPPED SEVERAL SOFTWOOD TREES AND DAMAGED THE ROOF OF A HOME

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
Jan 21, 3:05 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.4 hours before the alert went out and 171 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 2018-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 87 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 2018-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 square meters per square second.1939587897Sfc1 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
87 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
971 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
257 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

509 
WFUS54 KTSA 220126
TORTSA
ARC047-220200-
/O.NEW.KTSA.TO.W.0003.180122T0126Z-180122T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
726 PM CST SUN JAN 21 2018

The National Weather Service in Tulsa has issued a

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

* Until 800 PM CST
    
* At 726 PM CST, a severe thunderstorm capable of producing a tornado
  was located over Charleston, moving northeast at 45 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...
  Jethro...                         Etna...
  Alix...                           Watalula...
  Meg...                            Toney...
  Peter Pender...                   Vesta...
  Lonelm...                         Cecil...
  Cravens...                        

This includes Interstate 40 in Arkansas between mile markers 28 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 3540 9371 3537 9376 3540 9379 3542 9380
      3534 9381 3531 9385 3532 9392 3527 9392
      3523 9397 3523 9402 3526 9408 3536 9408
      3565 9390 3553 9370
TIME...MOT...LOC 0126Z 218DEG 40KT 3531 9402 

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

$$
4 follow-up statements
847 
WWUS54 KTSA 220133
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
733 PM CST SUN JAN 21 2018

ARC047-220200-
/O.CON.KTSA.TO.W.0003.000000T0000Z-180122T0200Z/
Franklin AR-
733 PM CST SUN JAN 21 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CST FOR CENTRAL
FRANKLIN COUNTY...
    
At 733 PM CST, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located near Branch,
moving northeast 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...
Ozark...                          Altus...
Branch...                         Denning...
Ratcliff...                       Wiederkehr Village...
Caulksville...                    Jethro...
Etna...                           Alix...
Watalula...                       Meg...
Toney...                          Peter Pender...
Cecil...                          Cravens...

This includes Interstate 40 in Arkansas between mile markers 28 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 3540 9371 3537 9376 3540 9379 3542 9380
      3534 9381 3531 9385 3532 9392 3527 9397
      3534 9405 3565 9390 3553 9370
TIME...MOT...LOC 0133Z 226DEG 36KT 3534 9398 

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

$$
670 
WWUS54 KTSA 220144
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
744 PM CST SUN JAN 21 2018

ARC047-220200-
/O.CON.KTSA.TO.W.0003.000000T0000Z-180122T0200Z/
Franklin AR-
744 PM CST SUN JAN 21 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CST FOR CENTRAL
FRANKLIN COUNTY...
    
At 744 PM CST, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located 5 miles
southwest of Ozark, moving northeast 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...
Ozark...                          Altus...
Wiederkehr Village...             Jethro...
Cecil...                          Watalula...
Cravens...                        Meg...

This includes Interstate 40 in Arkansas between mile markers 29 and
41.
 
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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3537 9389 3543 9398 3565 9390 3553 9370
TIME...MOT...LOC 0144Z 211DEG 35KT 3544 9391 

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

$$
740 
WWUS54 KTSA 220151
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
751 PM CST SUN JAN 21 2018

ARC047-220200-
/O.CON.KTSA.TO.W.0003.000000T0000Z-180122T0200Z/
Franklin AR-
751 PM CST SUN JAN 21 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CST FOR EAST
CENTRAL FRANKLIN COUNTY...
    
At 751 PM CST, a severe thunderstorm capable of producing a tornado
was located over Ozark, moving northeast 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...
Ozark...                          Wiederkehr Village...
Watalula...                       

This includes Interstate 40 in Arkansas between mile markers 32 and
40.
 
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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3544 9386 3548 9392 3562 9386 3553 9371
TIME...MOT...LOC 0151Z 216DEG 34KT 3549 9386 

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

$$
935 
WWUS54 KTSA 220158
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
758 PM CST SUN JAN 21 2018

ARC047-220208-
/O.EXP.KTSA.TO.W.0003.000000T0000Z-180122T0200Z/
Franklin AR-
758 PM CST SUN JAN 21 2018

...THE TORNADO WARNING FOR EAST CENTRAL FRANKLIN COUNTY WILL EXPIRE
AT 800 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 to 50 mph are still possible with this thunderstorm.

A tornado watch remains in effect until 1100 PM CST for west central
Arkansas.

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

LAT...LON 3544 9386 3548 9392 3562 9386 3553 9371
TIME...MOT...LOC 0158Z 218DEG 40KT 3555 9380 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 6:02 PM CSTSpecial Weather StatementTSACrawford28 min
Jan 21, 6:41 PM CSTSpecial Weather StatementTSASebastian34 min
Jan 21, 6:42 PM CSTSevere Thunderstorm WarningTSASebastian33 min
Jan 21, 6:58 PM CSTTornado WarningTSAFranklin, Sebastian32 min
Jan 21, 7:58 PM CSTSpecial Weather StatementTSAFranklin32 min
Jan 21, 8:08 PM CSTSpecial Weather StatementTSABenton37 min
Jan 21, 8:21 PM CSTSpecial Weather StatementTSAMadison24 min
Jan 21, 9:04 PM CSTSpecial Weather StatementTSAFranklin26 min
Jan 21, 9:25 PM CSTSpecial Weather StatementTSAFranklin20 min
Jan 21, 9:35 PM CSTSpecial Weather StatementTSAMadison25 min
Jan 21, 9:43 PM CSTSevere Thunderstorm WarningTSACarroll, Madison47 min
Jan 21, 9:48 PM CSTSpecial Weather StatementTSAWashington27 min
Jan 21, 10:18 PM CSTSpecial Weather StatementTSACarroll27 min
Jan 21, 10:29 PM CSTSpecial Weather StatementTSACrawford, Sebastian31 min
Jan 21, 10:37 PM CSTSevere Thunderstorm WarningTSACrawford, Sebastian23 min
Jan 21, 10:56 PM CSTSpecial Weather StatementTSACrawford, Franklin34 min
Jan 21, 11:25 PM CSTSpecial Weather StatementTSACarroll, Madison35 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.