Alert archive / Arkansas / Tornado Warnings in 2020

Tornado Warning 16, NWS Tulsa, OK

March 19, 2020Crawford County, Franklin County, Sebastian County, Arkansas

NWS Tulsa, OK issued this tornado warning at Mar 19, 2020, 4:52 PM CDT for Crawford County, Franklin County, Sebastian 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
Mar 19, 2020, 4:52 PM CDT (21:52 UTC)
Expired
Mar 19, 2020, 5:30 PM CDT
In force
38 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Crawford County, AR, Franklin County, AR, Sebastian County, AR

The radar

The Western Arkansas radar (KSRX), 41 km from the middle of the area, began a volume at 21:51 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
Mar 19, 2:24 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.9 hours before the alert went out and 149 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 2020-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2020-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
245 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

246 
WFUS54 KTSA 192152
TORTSA
ARC033-047-131-192230-
/O.NEW.KTSA.TO.W.0016.200319T2152Z-200319T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
452 PM CDT Thu Mar 19 2020

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Northwestern Franklin County in west central Arkansas...
  Central Crawford County in northwestern Arkansas...
  Northwestern Sebastian County in west central Arkansas...

* Until 530 PM CDT.
    
* At 452 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Van Buren, moving northeast at 45 mph.

  HAZARD...Tornado and quarter 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...
  Fort Smith...                     Van Buren...
  Mountainburg...                   Alma...
  Mulberry...                       Dyer...
  Rudy...                           Lake Fort Smith...
  Figure Five...                    Fern...
  Kibler...                         Concord...
  Jethro...                         Shibley...
  Bidville...                       Piney...
  Toney...                          Locke...
  Lonelm...                         Furry...

This includes the following highways,
 Interstate 40 in Arkansas between mile markers 0 and 33.
 Interstate 540 between mile markers 1 and 6.
 Interstate 49 between mile markers 22 and 32.

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 3554 9381 3537 9441 3550 9445 3576 9400
      3576 9396
TIME...MOT...LOC 2152Z 240DEG 37KT 3543 9438 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

69
3 follow-up statements
902 
WWUS54 KTSA 192201
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
501 PM CDT Thu Mar 19 2020

ARC131-192211-
/O.CAN.KTSA.TO.W.0016.000000T0000Z-200319T2230Z/
Sebastian AR-
501 PM CDT Thu Mar 19 2020

...THE TORNADO WARNING FOR NORTHWESTERN SEBASTIAN COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has weakened. 
moved out of the warned area. therefore the warning has
been cancelled.

A Tornado Watch remains in effect until 1000 PM CDT for northwestern
and west central Arkansas.

LAT...LON 3554 9381 3542 9433 3556 9435 3576 9400
      3576 9396
TIME...MOT...LOC 2201Z 240DEG 37KT 3548 9428 

$$

ARC033-047-192230-
/O.CON.KTSA.TO.W.0016.000000T0000Z-200319T2230Z/
Franklin AR-Crawford AR-
501 PM CDT Thu Mar 19 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR
NORTHWESTERN FRANKLIN AND CENTRAL CRAWFORD COUNTIES...
    
At 501 PM CDT, a severe thunderstorm capable of producing a tornado
was located 3 miles west of Alma, moving northeast at 45 mph.

HAZARD...Tornado and quarter 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...
Van Buren...                      Mountainburg...
Alma...                           Mulberry...
Dyer...                           Rudy...
Lake Fort Smith...                Fern...
Concord...                        Jethro...
Shibley...                        Bidville...
Piney...                          Toney...
Locke...                          Lonelm...
Furry...                          Cravens...

This includes the following highways,
 Interstate 40 in Arkansas between mile markers 6 and 32.
 Interstate 540 between mile markers 1 and 2.
 Interstate 49 between mile markers 22 and 32.

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 3554 9381 3542 9433 3556 9435 3576 9400
      3576 9396
TIME...MOT...LOC 2201Z 240DEG 37KT 3548 9428 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

69
680 
WWUS54 KTSA 192215
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
515 PM CDT Thu Mar 19 2020

ARC033-047-192230-
/O.CON.KTSA.TO.W.0016.000000T0000Z-200319T2230Z/
Franklin AR-Crawford AR-
515 PM CDT Thu Mar 19 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR
NORTHWESTERN FRANKLIN AND NORTHEASTERN CRAWFORD COUNTIES...
    
At 514 PM CDT, a severe thunderstorm capable of producing a tornado
was located 3 miles north of Dyer, 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...
Mountainburg...                   Mulberry...
Dyer...                           Fern...
Jethro...                         Piney...
Lonelm...                         Cravens...
Toney...                          

This includes Interstate 40 in Arkansas between mile markers 16 and
30.
 
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 3554 9381 3549 9417 3563 9417 3573 9394
TIME...MOT...LOC 2214Z 241DEG 37KT 3554 9413 

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

$$

69
637 
WWUS54 KTSA 192235
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
535 PM CDT Thu Mar 19 2020

ARC033-047-192242-
/O.EXP.KTSA.TO.W.0016.000000T0000Z-200319T2230Z/
Franklin AR-Crawford AR-
535 PM CDT Thu Mar 19 2020

...THE TORNADO WARNING FOR NORTHWESTERN FRANKLIN AND NORTHEASTERN
CRAWFORD COUNTIES HAS EXPIRED...
                
The storm which prompted the warning no longer poses an immediate 
tornado threat. Therefore the warning has been allowed to expire. 
However gusty winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 1000 PM CDT for northwestern
and west central Arkansas.

Remember, a Severe Thunderstorm Warning still remains in effect for
northern Franklin County and southeastern Madison.

LAT...LON 3554 9381 3549 9417 3563 9417 3573 9394
TIME...MOT...LOC 2232Z 240DEG 37KT 3562 9395 

$$

69

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 6:32 AM CDTSpecial Weather StatementTSABenton, Washington28 min
Mar 19, 6:57 AM CDTSpecial Weather StatementTSACarroll33 min
Mar 19, 10:50 AM CDTSpecial Weather StatementTSACarroll25 min
Mar 19, 10:55 AM CDTSpecial Weather StatementTSAMadison35 min
Mar 19, 11:02 AM CDTSevere Thunderstorm WarningTSACarroll, Madison28 min
Mar 19, 11:15 AM CDTAreal Flood AdvisoryTSABenton, Carroll, Madison, Washington3 hr
Mar 19, 12:14 PM CDTFlash Flood WarningTSABenton, Carroll, Madison, Washington6 hr
Mar 19, 12:18 PM CDTSpecial Weather StatementTSABenton27 min
Mar 19, 12:29 PM CDTSpecial Weather StatementTSAWashington31 min
Mar 19, 12:58 PM CDTSpecial Weather StatementTSABenton47 min
Mar 19, 4:17 PM CDTSevere Thunderstorm WarningTSACrawford, Sebastian58 min
Mar 19, 5:31 PM CDTSevere Thunderstorm WarningTSACrawford, Franklin, Madison44 min
Mar 19, 5:32 PM CDTSevere Thunderstorm WarningTSACrawford, Sebastian43 min
Mar 19, 5:57 PM CDTSpecial Weather StatementTSASebastian33 min
Mar 19, 6:10 PM CDTTornado WarningTSAMadison5 min
Mar 19, 6:20 PM CDTAreal Flood WarningTSABenton, Carroll, Crawford, Franklin, Madison, Washington6 hr
Mar 19, 6:20 PM CDTSpecial Weather StatementTSAFranklin25 min
Mar 19, 6:53 PM CDTSpecial Weather StatementTSAFranklin22 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.