Alert archive / Arkansas / Tornado Warnings in 2020

Tornado Warning 41, NWS Tulsa, OK

May 25, 2020Sebastian County, Arkansas

NWS Tulsa, OK issued this tornado warning at May 25, 2020, 6:02 PM CDT for Sebastian County, Arkansas. It was in force for 29 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
May 25, 2020, 6:02 PM CDT (23:02 UTC)
Expired
May 25, 2020, 6:31 PM CDT
In force
29 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Sebastian County, AR

The radar

The Western Arkansas radar (KSRX), 30 km from the middle of the area, began a volume at 23:01 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
May 25, 6:29 PM CDTTSTM WND DMG1 W Rye Hill, AR

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.0 hours before the alert went out and 215 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 2020-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 753 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 2020-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
753 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
809 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

146 
WFUS54 KTSA 252302
TORTSA
ARC131-252345-
/O.NEW.KTSA.TO.W.0041.200525T2302Z-200525T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
602 PM CDT Mon May 25 2020

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Southwestern Sebastian County in west central Arkansas...

* Until 645 PM CDT.
    
* At 602 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Hartford, moving north 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...
  Fort Smith...                     Greenwood...
  Barling...                        Lavaca...
  Hackett...                        Hartford...
  Bonanza...                        Midland...
  Excelsior...                      Jenny Lind...
  Central City...                   Patterson...
  Arkola...                         Witcherville...
  Rye Hill...                       

This includes Interstate 540 between mile markers 12 and 14.
 
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 3495 9433 3495 9435 3496 9436 3496 9437
      3494 9439 3495 9441 3493 9443 3494 9444
      3533 9443 3533 9419
TIME...MOT...LOC 2302Z 186DEG 34KT 3500 9439 

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

$$
2 follow-up statements
273 
WWUS54 KTSA 252316
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
616 PM CDT Mon May 25 2020

ARC131-252345-
/O.CON.KTSA.TO.W.0041.000000T0000Z-200525T2345Z/
Sebastian AR-
616 PM CDT Mon May 25 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR WEST
CENTRAL SEBASTIAN COUNTY...
    
At 616 PM CDT, a severe thunderstorm capable of producing a tornado
was located 3 miles north of Midland, moving north 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...
Fort Smith...                     Greenwood...
Barling...                        Lavaca...
Hackett...                        Bonanza...
Midland...                        Excelsior...
Jenny Lind...                     Central City...
Arkola...                         Witcherville...
Rye Hill...                       

This includes Interstate 540 between mile markers 12 and 14.
 
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 3505 9429 3506 9444 3533 9443 3533 9419
TIME...MOT...LOC 2316Z 186DEG 34KT 3513 9437 

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

$$
725 
WWUS54 KTSA 252331
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
631 PM CDT Mon May 25 2020

ARC131-252341-
/O.CAN.KTSA.TO.W.0041.000000T0000Z-200525T2345Z/
Sebastian AR-
631 PM CDT Mon May 25 2020

...THE TORNADO WARNING FOR WEST CENTRAL SEBASTIAN COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled. However gusty winds are
still possible with this thunderstorm.

A Tornado Watch remains in effect until midnight CDT 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 3505 9429 3506 9444 3533 9443 3533 9419
TIME...MOT...LOC 2329Z 186DEG 34KT 3528 9435 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 8:33 PM CDTSpecial Weather StatementTSASebastian42 min
May 25, 2:57 AM CDTFlash Flood WatchTSABenton, Carroll, Madison, Washington25 hr
May 25, 6:41 PM CDTSpecial Weather StatementTSACrawford, Sebastian34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.