Alert archive / Arkansas / Tornado Warnings in 2021
Tornado Warning 20, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Apr 28, 2021, 9:29 PM CDT for Sebastian County, Arkansas. It was in force for 28 min. 2 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
- Apr 28, 2021, 9:29 PM CDT (02:29 UTC)
- Expired
- Apr 28, 2021, 9:57 PM CDT
- In force
- 28 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Damage threat
- Considerable
- Hail
- 1.0 in
County Sebastian County, AR
The radar
The Western Arkansas radar (KSRX), 22 km from the middle of the area, began a volume at 02:30 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 28, 9:33 PM CDT | TORNADO | Greenwood, AR | REPORTED ON HIGHWAY 10. |
| Apr 28, 9:38 PM CDT | TSTM WND DMG | 1 N Dayton, AR | TREES DOWN ON HIGHWAY 252. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 28, 7:55 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.5 hours before the alert went out and 198 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.
- Mixed-layer CAPE
- 48 J/kg
- Mixed-layer CIN
- -143 J/kg
- Mixed-layer LCL
- 761 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 320 m²/s²
- 0-3 km storm-relative helicity
- 258 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted.
292
WFUS54 KTSA 290229
TORTSA
ARC131-290315-
/O.NEW.KTSA.TO.W.0020.210429T0229Z-210429T0315Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
929 PM CDT Wed Apr 28 2021
The National Weather Service in Tulsa has issued a
* Tornado Warning for...
Central Sebastian County in west central Arkansas...
* Until 1015 PM CDT.
* At 929 PM CDT, a large and extremely dangerous tornado was located
3 miles south of Excelsior, moving east at 15 mph.
This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Damaging tornado.
SOURCE...Radar indicated rotation.
IMPACT...You are in a life-threatening situation. Flying debris
may be deadly to those caught without shelter. Mobile
homes will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete
destruction is possible.
* Locations in or near the path include...
Greenwood... Excelsior...
Washburn... Burnville...
Milltown... Crossroads...
Witcherville... Dayton...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous and potentially deadly
tornado is developing. To protect your life, 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 3514 9414 3510 9414 3508 9420 3510 9436
3519 9438 3529 9409 3514 9408
TIME...MOT...LOC 0229Z 255DEG 14KT 3515 9433
TORNADO...RADAR INDICATED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.00IN
$$3 follow-up statements
196
WWUS54 KTSA 290240
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
940 PM CDT Wed Apr 28 2021
ARC131-290315-
/O.CON.KTSA.TO.W.0020.000000T0000Z-210429T0315Z/
Sebastian AR-
940 PM CDT Wed Apr 28 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR EAST
CENTRAL SEBASTIAN COUNTY...
At 939 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Burnville, moving east at 25 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations in or near the path include...
Greenwood... Washburn...
Burnville... Milltown...
Crossroads... Dayton...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3514 9414 3510 9414 3508 9420 3509 9425
3521 9425 3529 9409 3514 9408
TIME...MOT...LOC 0239Z 258DEG 20KT 3516 9423
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$810
WWUS54 KTSA 290244
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
944 PM CDT Wed Apr 28 2021
ARC131-290315-
/O.CON.KTSA.TO.W.0020.000000T0000Z-210429T0315Z/
Sebastian AR-
944 PM CDT Wed Apr 28 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR EAST
CENTRAL SEBASTIAN COUNTY...
At 944 PM CDT, a severe thunderstorm with strong low level rotation
that could produce a tornado at any time was located over Burnville,
moving east at 20 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...
Washburn... Burnville...
Milltown...
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.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3514 9418 3519 9421 3526 9409 3514 9408
TIME...MOT...LOC 0244Z 253DEG 18KT 3518 9417
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$750
WWUS54 KTSA 290257
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
957 PM CDT Wed Apr 28 2021
ARC131-290307-
/O.CAN.KTSA.TO.W.0020.000000T0000Z-210429T0315Z/
Sebastian AR-
957 PM CDT Wed Apr 28 2021
...THE TORNADO WARNING FOR EAST CENTRAL SEBASTIAN COUNTY IS
CANCELLED...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.
A Tornado Watch remains in effect until 200 AM CDT for west central
Arkansas.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tulsa.
LAT...LON 3514 9418 3519 9421 3526 9409 3514 9408
TIME...MOT...LOC 0255Z 255DEG 14KT 3519 9411
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 7:22 PM CDT | Special Weather Statement | TSA | Franklin | 23 min |
| Apr 28, 7:34 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 26 min |
| Apr 28, 7:42 PM CDT | Areal Flood Warning | TSA | Benton, Carroll, Crawford, Franklin, Madison, Washington | 9 hr |
| Apr 28, 9:06 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 39 min |
| Apr 28, 9:14 PM CDT | Tornado Warning | TSA | Sebastian | 31 min |
| Apr 28, 9:19 PM CDT | Areal Flood Advisory | TSA | Crawford, Franklin, Sebastian | 3 hr |
| Apr 28, 9:27 PM CDT | Flash Flood Warning | TSA | Crawford, Franklin, Sebastian | 3 hr |
| Apr 28, 9:27 PM CDT | Severe Thunderstorm Warning | TSA | Franklin, Sebastian | 48 min |
| Apr 28, 10:40 PM CDT | Flash Flood Warning | TSA | Crawford, Franklin, Madison, Washington | 4 hr |
| Apr 29, 12:19 AM CDT | Flash Flood Warning | TSA | Crawford, Franklin, Sebastian | 6 hr |
| Apr 29, 2:13 AM CDT | Special Weather Statement | TSA | Franklin | 32 min |
| Apr 29, 2:35 AM CDT | Flash Flood Warning | TSA | Crawford, Franklin, Madison, Washington | 4 hr |
| Apr 29, 7:18 AM CDT | Areal Flood Warning | TSA | Crawford, Franklin, Sebastian | 10 hr |
| Apr 29, 11:36 AM CDT | River Flood Warning | TSA | Crawford, Franklin | 9 hr |
Nearby
Tornado Warnings in Arkansas, 2021Every tornado warning in 2021Tornadoes in 2021
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.