Alert archive / Arkansas / Tornado Warnings in 2020

Tornado Warning 15, NWS Tulsa, OK

January 10, 2020Franklin County, Arkansas

NWS Tulsa, OK issued this tornado warning at Jan 10, 2020, 7:46 PM CST for Franklin County, Arkansas. It was in force for 13 min. 1 report 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 10, 2020, 7:46 PM CST (01:46 UTC)
Expired
Jan 10, 2020, 7:59 PM CST
In force
13 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Franklin County, AR

The radar

The Western Arkansas radar (KSRX), 54 km from the middle of the area, began a volume at 01:50 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 10, 7:47 PM CSTTORNADO4 Ssw Ozark, ARA TORNADO DEVELOPED ABOUT 3 MILES EAST-SOUTHEAST OF CECIL AT 745 PM AND TRAVELED EAST-NORTHEAST FOR ABOUT 4 MILES BEFORE DISSIPATING AT 749 PM ABOUT 3.5 MILES SOUTH OF OZARK. THIS TORNADO DAMAGED THE ROOF OF A HOME, DESTROYED SEVERAL OUTBUILDINGS, SNAPPED OR U

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 10, 10:42 AM CSTTornado WatchSPC10 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.8 hours before the alert went out and 162 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 2020-01-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 322 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 2020-01-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 257 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
322 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
517 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
257 m²/s²
0-3 km storm-relative helicity
325 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted.

734 
WFUS54 KTSA 110146
TORTSA
ARC047-110215-
/O.NEW.KTSA.TO.W.0015.200111T0146Z-200111T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
746 PM CST Fri Jan 10 2020

The National Weather Service in Tulsa has issued a

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

* Until 815 PM CST.
    
* At 745 PM CST, a severe thunderstorm capable of producing a tornado
  was located 3 miles southwest of Ozark, moving northeast at 55 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...
  Ozark...                          Altus...
  Denning...                        Wiederkehr Village...
  Etna...                           Alix...
  Cecil...                          Watalula...
  Taft...                           Meg...

This includes Interstate 40 in Arkansas between mile markers 32 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.

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 9371 3539 9377 3540 9379 3542 9380
      3536 9381 3533 9385 3544 9397 3574 9370
TIME...MOT...LOC 0145Z 221DEG 47KT 3545 9386 

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

$$
2 follow-up statements
129 
WWUS54 KTSA 110152
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
752 PM CST Fri Jan 10 2020

ARC047-110215-
/O.CON.KTSA.TO.W.0015.000000T0000Z-200111T0215Z/
Franklin AR-
752 PM CST Fri Jan 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CST FOR EAST
CENTRAL FRANKLIN COUNTY...
    
At 752 PM CST, a severe thunderstorm capable of producing a tornado
was located over Wiederkehr Village, 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...
Ozark...                          Altus...
Denning...                        Wiederkehr Village...
Taft...                           Alix...

This includes Interstate 40 in Arkansas between mile markers 36 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.

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 9371 3539 9377 3540 9379 3542 9380
      3542 9382 3548 9385 3574 9370
TIME...MOT...LOC 0152Z 228DEG 41KT 3547 9378 

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

$$
732 
WWUS54 KTSA 110159
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
759 PM CST Fri Jan 10 2020

ARC047-110208-
/O.CAN.KTSA.TO.W.0015.000000T0000Z-200111T0215Z/
Franklin AR-
759 PM CST Fri Jan 10 2020

...THE TORNADO WARNING FOR EAST CENTRAL FRANKLIN COUNTY IS
CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore the warning has
been cancelled.

A Tornado Watch remains in effect until 900 PM CST for west central
Arkansas.

LAT...LON 3544 9371 3539 9377 3540 9379 3542 9380
      3542 9382 3548 9385 3574 9370
TIME...MOT...LOC 0157Z 221DEG 47KT 3554 9371 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 10, 6:04 PM CSTAreal Flood AdvisoryTSACrawford, Sebastian4 hr
Jan 10, 6:16 PM CSTFlash Flood WarningTSABenton, Carroll, Crawford, Madison, Washington6 hr
Jan 10, 6:37 PM CSTFlash Flood WarningTSACarroll, Crawford, Franklin, Madison, Sebastian, Washington6 hr
Jan 10, 7:01 PM CSTSevere Thunderstorm WarningTSACrawford, Franklin, Sebastian44 min
Jan 10, 7:05 PM CSTAreal Flood AdvisoryTSABenton6 hr
Jan 10, 7:36 PM CSTSevere Thunderstorm WarningTSAFranklin24 min
Jan 10, 7:39 PM CSTSpecial Weather StatementTSAFranklin, Madison36 min
Jan 10, 8:20 PM CSTSpecial Weather StatementTSACarroll40 min
Jan 11, 12:06 AM CSTAreal Flood WarningTSABenton, Carroll, Crawford, Madison, Washington6 hr
Jan 11, 12:25 AM CSTAreal Flood WarningTSACarroll, Crawford, Franklin, Madison, Sebastian, Washington6 hr
Jan 11, 8:24 AM CSTRiver Flood WarningTSACrawford6 hr
Jan 11, 9:13 AM CSTRiver Flood WarningTSACrawford, Sebastian11 hr
Jan 11, 9:16 AM CSTRiver Flood AdvisoryTSAFranklin, Johnson, Logan2 hr
Jan 11, 10:28 AM CSTRiver Flood WarningTSAFranklin, Johnson, Logan33 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.