Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 7, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Feb 28, 2021, 5:34 PM CST for Crittenden County, Mississippi County, Poinsett County, Arkansas; Lauderdale County, Shelby County, Tipton County, Tennessee. It was in force for 41 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, 5:34 PM CST (23:34 UTC)
- Expired
- Feb 28, 2021, 6:15 PM CST
- In force
- 41 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Crittenden County, AR, Mississippi County, AR, Poinsett County, AR, Lauderdale County, TN, Shelby County, TN, Tipton County, TN
The radar
The Memphis radar (KNQA), 25 km from the middle of the area, began a volume at 23:36 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, 5:40 PM CST | TSTM WND GST 67 | Joiner, AR | LARGE TREE DOWN. WIND SPEED MEASURED AT 67 MPH WITH A HANDHELD ANEMOMETER. |
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, 11.6 hours before the alert went out and 75 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.
948
WUUS54 KMEG 282334
SVRMEG
ARC035-093-111-TNC097-157-167-010015-
/O.NEW.KMEG.SV.W.0007.210228T2334Z-210301T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
534 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...
Southwestern Mississippi County in eastern Arkansas...
Northeastern Crittenden County in eastern Arkansas...
Tipton County in western Tennessee...
Southwestern Lauderdale County in western Tennessee...
North central Shelby County in western Tennessee...
* Until 615 PM CST.
* At 534 PM CST, a severe thunderstorm was located near Gilmore, or
near Tyronza, 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...
Covington, Wilson, Fort Pillow State Park, Munford, Brighton,
Joiner, Gilmore, Bassett, Fulton, Dixonville, Tipton, Atoka,
Turrell, Gilt Edge, Burlison, Garland, Birdsong, Dimple,
Deckerville and Evadale.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CST for eastern
Arkansas...and western Tennessee.
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 3555 9032 3567 8967 3539 8969 3534 9033
TIME...MOT...LOC 2334Z 260DEG 36KT 3545 9025
HAIL...1.00IN
WIND...60MPH
$$
MGW1 follow-up statement
580
WWUS54 KMEG 282357
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
557 PM CST Sun Feb 28 2021
ARC035-111-010006-
/O.CAN.KMEG.SV.W.0007.000000T0000Z-210301T0015Z/
Poinsett AR-Crittenden AR-
557 PM CST Sun Feb 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN POINSETT AND
NORTHEASTERN CRITTENDEN COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CST for eastern
Arkansas...and western Tennessee.
LAT...LON 3567 8967 3539 8969 3536 9004 3561 9002
TIME...MOT...LOC 2356Z 260DEG 36KT 3549 8998
$$
ARC093-TNC097-157-167-010015-
/O.CON.KMEG.SV.W.0007.000000T0000Z-210301T0015Z/
Mississippi AR-Tipton TN-Lauderdale TN-Shelby TN-
557 PM CST Sun Feb 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CST
FOR SOUTH CENTRAL MISSISSIPPI...CENTRAL TIPTON...SOUTHWESTERN
LAUDERDALE AND NORTH CENTRAL SHELBY COUNTIES...
At 556 PM CST, a severe thunderstorm was located near Dixonville, or
near Wilson, 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...
Covington, Fort Pillow State Park, Munford, Brighton, Fulton,
Dixonville, Tipton, Atoka, Gilt Edge, Burlison, Garland, Egypt,
Quito, Wilkinsville, Bride, Drummonds, Idaville, Crosstown, Beaver
and Kerrville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CST for eastern
Arkansas...and western Tennessee.
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 3567 8967 3539 8969 3536 9004 3561 9002
TIME...MOT...LOC 2356Z 260DEG 36KT 3549 8998
HAIL...1.00IN
WIND...60MPH
$$The 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, 4:56 PM CST | Severe Thunderstorm Warning | MEG | Crittenden, Cross, Poinsett | 49 min |
| Feb 28, 5:16 PM CST | Flash Flood Warning | MEG | Craighead, Mississippi, Poinsett | 3 hr |
| Feb 27, 6:37 PM CST | Special Weather Statement | MEG | Decatur | 23 min |
| Feb 28, 11:47 AM CST | River Flood Warning | MEG | Obion, Weakley | 65 hr |
| Feb 28, 11:49 AM CST | River Flood Warning | MEG | Dyer, Gibson, Obion | 7 days |
| Feb 28, 11:50 AM CST | River Flood Advisory | MEG | Decatur, Perry | 5 days |
| Feb 28, 3:15 PM CST | Severe Thunderstorm Warning | MEG | Dyer, Lake | 33 min |
| Feb 28, 4:44 PM CST | Flash Flood Warning | MEG | Lake, Obion | 5 hr |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2021Severe Thunderstorm Warnings in Tennessee, 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.