Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 6, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Feb 28, 2021, 4:56 PM CST for Crittenden County, Cross County, Poinsett County, Arkansas. It was in force for 49 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
- Feb 28, 2021, 4:56 PM CST (22:56 UTC)
- Expired
- Feb 28, 2021, 5:45 PM CST
- In force
- 49 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Crittenden County, AR, Cross County, AR, Poinsett County, AR
The radar
The Memphis radar (KNQA), 61 km from the middle of the area, began a volume at 22:59 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 |
|---|---|---|---|
| Feb 28, 5:35 PM CST | HAIL 0.75 | Tyronza, AR | SMALL HAIL IN TYRONZA. |
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 |
|---|---|---|---|
| Feb 28, 2:22 PM CST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 10.9 hours before the alert went out and 84 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
- 448 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 525 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 396 m²/s²
- 0-3 km storm-relative helicity
- 396 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted.
375
WUUS54 KMEG 282256
SVRMEG
ARC035-037-111-282345-
/O.NEW.KMEG.SV.W.0006.210228T2256Z-210228T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
456 PM CST Sun Feb 28 2021
The National Weather Service in Memphis has issued a
* Severe Thunderstorm Warning for...
Southeastern Poinsett County in eastern Arkansas...
Northwestern Crittenden County in eastern Arkansas...
Central Cross County in eastern Arkansas...
* Until 545 PM CST.
* At 456 PM CST, a severe thunderstorm was located over Vanndale, or
7 miles north of Wynne, moving east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Wynne, Marked Tree, Earle, Parkin, Tyronza, Cherry Valley,
Vanndale, Smithdale, Three Forks, Wiley Crossing, Birdeye,
Deckerville, Stewart, Dub, Colton, Twist, McDonald, McElroy,
Mersman and Cloar.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CST for eastern
Arkansas.
A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a storm shelter or
small interior room.
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 3557 9029 3526 9029 3520 9092 3543 9091
TIME...MOT...LOC 2256Z 260DEG 36KT 3534 9083
HAIL...1.00IN
WIND...60MPH
$$
MGW1 follow-up statement
290
WWUS54 KMEG 282314
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
514 PM CST Sun Feb 28 2021
ARC035-037-111-282345-
/O.CON.KMEG.SV.W.0006.000000T0000Z-210228T2345Z/
Poinsett AR-Crittenden AR-Cross AR-
514 PM CST Sun Feb 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CST
FOR SOUTHEASTERN POINSETT...NORTHWESTERN CRITTENDEN AND NORTHEASTERN
CROSS COUNTIES...
At 514 PM CST, a severe thunderstorm was located 8 miles northwest of
Parkin, moving east at 40 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Marked Tree, Earle, Parkin, Tyronza, Smithdale, Three Forks,
Deckerville, Stewart, Dub, Colton, Twist, McDonald, Cloar, Coldwater,
Togo, River Front, Beasley, Duvall, Boat Run and Spear Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CST for eastern
Arkansas.
A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a storm shelter or small
interior room.
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3557 9029 3527 9029 3523 9071 3549 9065
TIME...MOT...LOC 2314Z 260DEG 36KT 3537 9061
HAIL...1.50IN
WIND...60MPH
$$
MGWThe office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 9:03 PM CST | Dense Fog Advisory | MEG | Clay, Craighead, Crittenden, Cross, Greene, Lee and 4 more | 7 hr |
| Feb 28, 3:37 PM CST | Flash Flood Warning | MEG | Mississippi | 2 hr |
| Feb 28, 4:37 PM CST | Flash Flood Warning | MEG | Mississippi | 5 hr |
| Feb 28, 4:46 PM CST | Special Weather Statement | MEG | Cross | 29 min |
| Feb 28, 5:16 PM CST | Flash Flood Warning | MEG | Craighead, Mississippi, Poinsett | 3 hr |
| Feb 28, 5:34 PM CST | Severe Thunderstorm Warning | MEG | Crittenden, Mississippi, Poinsett | 41 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2021Every severe thunderstorm warning 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.