Alert archive / Oklahoma / Tornado Warnings in 2024

Tornado Warning 39, NWS Tulsa, OK

April 28, 2024LeFlore County, Oklahoma; Sebastian County, Arkansas

NWS Tulsa, OK issued this tornado warning at Apr 28, 2024, 8:13 PM CDT for LeFlore County, Oklahoma; Sebastian County, Arkansas. It was in force for 32 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: Apr 28, 2024, 8:13 PM CDT (01:13 UTC)
Expired: Apr 28, 2024, 8:45 PM CDT
In force: 32 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Observed
Hail: 1.0 in

Counties Sebastian County, AR, LeFlore County, OK

The radar

The Western Arkansas radar (KSRX), 36 km from the middle of the area, began a volume at 01:18 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.

Issued	Product	Office	Lasted
Apr 28, 5:15 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.2 hours before the alert went out and 221 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 254 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 606 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 272 m²/s²
0-3 km storm-relative helicity: 297 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

As transmitted.

754 
WFUS54 KTSA 290113
TORTSA
ARC131-OKC079-290145-
/O.NEW.KTSA.TO.W.0039.240429T0113Z-240429T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
813 PM CDT Sun Apr 28 2024

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Southwestern Sebastian County in west central Arkansas...
  East central Le Flore County in southeastern Oklahoma...

* Until 845 PM CDT.

* At 812 PM CDT, a confirmed tornado was located 3 miles east of
  Heavener, moving northeast at 30 mph.

  HAZARD...Damaging tornado and quarter size hail.

  SOURCE...Weather spotters confirmed tornado.

  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...
  Heavener...                       Howe...
  Hartford...                       Huntington...
  Midland...                        Patterson...
  Arkola...                         

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3497 9424 3495 9429 3496 9433 3495 9434
      3496 9437 3494 9439 3495 9441 3493 9443
      3493 9445 3485 9445 3482 9457 3493 9468
      3517 9433 3507 9424 3506 9425 3505 9423
TIME...MOT...LOC 0112Z 234DEG 27KT 3489 9453 

TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN

$$
MAB

1 follow-up statement

991 
WWUS54 KTSA 290130
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
830 PM CDT Sun Apr 28 2024

OKC079-290138-
/O.CAN.KTSA.TO.W.0039.000000T0000Z-240429T0145Z/
Le Flore OK-
830 PM CDT Sun Apr 28 2024

...THE TORNADO WARNING FOR EAST CENTRAL LE FLORE COUNTY IS
CANCELLED...

The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1100 PM CDT for west central
Arkansas...and southeastern Oklahoma.

&&

LAT...LON 3497 9424 3495 9428 3496 9433 3495 9434
      3496 9437 3495 9438 3495 9441 3493 9444
      3494 9445 3506 9444 3517 9433 3507 9424
      3506 9425 3506 9424 3505 9423
TIME...MOT...LOC 0128Z 234DEG 27KT 3496 9441 

$$

ARC131-290145-
/O.CON.KTSA.TO.W.0039.000000T0000Z-240429T0145Z/
Sebastian AR-
830 PM CDT Sun Apr 28 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
SOUTHWESTERN SEBASTIAN COUNTY...

At 828 PM CDT, a confirmed tornado was located 4 miles south of
Hartford, moving northeast at 30 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Weather spotters confirmed tornado.

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...
Hartford...                       Huntington...
Midland...                        Patterson...
Arkola...                         

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3497 9424 3495 9428 3496 9433 3495 9434
      3496 9437 3495 9438 3495 9441 3493 9444
      3494 9445 3506 9444 3517 9433 3507 9424
      3506 9425 3506 9424 3505 9423
TIME...MOT...LOC 0128Z 234DEG 27KT 3496 9441 

TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 7:12 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	33 min
Apr 28, 7:14 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Pushmataha	31 min
Apr 28, 7:30 PM CDT	Areal Flood Advisory	TSA	Craig, Delaware, Mayes, Ottawa, Rogers, Tulsa and 1 more	3 hr
Apr 28, 7:41 PM CDT	Special Weather Statement	TSA	Muskogee	49 min
Apr 28, 7:43 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	47 min
Apr 28, 7:50 PM CDT	Tornado Warning	TSA	LeFlore	25 min
Apr 28, 11:03 PM CDT	Special Weather Statement	TSA	Creek	27 min
Apr 29, 12:27 AM CDT	Dense Fog Advisory	TSA	Adair, Cherokee, Craig, Creek, Delaware, Haskell and 10 more	10 hr
Apr 28, 7:40 PM CDT	Areal Flood Advisory	TSA	Crawford, Washington	2 hr
Apr 28, 8:36 PM CDT	Areal Flood Advisory	TSA	Crawford, Sebastian	114 min
Apr 28, 8:44 PM CDT	Tornado Warning	TSA	Sebastian	31 min
Apr 28, 8:51 PM CDT	Special Weather Statement	TSA	Franklin	24 min
Apr 28, 9:13 PM CDT	Tornado Warning	TSA	Sebastian	17 min
Apr 28, 9:17 PM CDT	Special Weather Statement	TSA	Franklin	43 min
Apr 28, 9:17 PM CDT	Special Weather Statement	TSA	Sebastian	28 min
Apr 28, 9:27 PM CDT	Tornado Warning	TSA	Franklin, Sebastian	48 min
Apr 28, 9:52 PM CDT	Special Weather Statement	TSA	Carroll	38 min
Apr 28, 9:56 PM CDT	Special Weather Statement	TSA	Franklin	34 min
Apr 28, 10:06 PM CDT	Severe Thunderstorm Warning	TSA	Carroll	35 min
Apr 28, 10:08 PM CDT	Tornado Warning	TSA	Carroll	33 min
Apr 28, 10:11 PM CDT	Severe Thunderstorm Warning	TSA	Franklin	23 min
Apr 28, 10:16 PM CDT	Special Weather Statement	TSA	Madison	44 min
Apr 29, 2:40 AM CDT	Areal Flood Advisory	TSA	Franklin	3 hr

Nearby

Tornado Warnings in Oklahoma, 2024 Tornado Warnings in Arkansas, 2024 Every tornado warning in 2024 Tornadoes in 2024

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.