Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 222, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Dec 29, 2021, 5:29 PM CST for Chickasaw County, Itawamba County, Monroe County, Mississippi. It was in force for 46 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
- Dec 29, 2021, 5:29 PM CST (23:29 UTC)
- Expired
- Dec 29, 2021, 6:15 PM CST
- In force
- 46 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Chickasaw County, MS, Itawamba County, MS, Monroe County, MS
The radar
The Columbus AFB radar (KGWX), 29 km from the middle of the area, began a volume at 23:30 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 29, 12:05 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 11.5 hours before the alert went out and 153 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1900 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
709
WUUS54 KMEG 292329
SVRMEG
MSC017-057-095-300015-
/O.NEW.KMEG.SV.W.0222.211229T2329Z-211230T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
529 PM CST Wed Dec 29 2021
The National Weather Service in Memphis has issued a
* Severe Thunderstorm Warning for...
Northeastern Chickasaw County in northeastern Mississippi...
Southern Itawamba County in northeastern Mississippi...
Monroe County in northeastern Mississippi...
* Until 615 PM CST.
* At 528 PM CST, a severe thunderstorm was located near Okolona,
moving east at 65 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Amory, Aberdeen, Houston, Okolona, Smithville, New Wren, Nettleton,
Hatley, Gattman, Sipsey Fork, Becker, Quincy, Turon, Egypt,
Splunge, Wise Gap, Athens, Wren, Bigbee and Greenwood Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 700 PM CST for northeastern
Mississippi.
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 basement 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.
A Tornado Watch remains in effect until 700 PM CST for northeastern
Mississippi.
&&
LAT...LON 3385 8901 3404 8884 3409 8858 3409 8855
3410 8854 3417 8819 3384 8824
TIME...MOT...LOC 2328Z 252DEG 58KT 3398 8871
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$1 follow-up statement
570
WWUS54 KMEG 292346
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
546 PM CST Wed Dec 29 2021
MSC017-292355-
/O.CAN.KMEG.SV.W.0222.000000T0000Z-211230T0015Z/
Chickasaw MS-
546 PM CST Wed Dec 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHICKASAW COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area in eastern Chickasaw County. Therefore, the warning
has been cancelled.
A Tornado Watch remains in effect until 700 PM CST for northeastern
Mississippi.
LAT...LON 3385 8872 3393 8872 3399 8868 3409 8858
3409 8855 3410 8854 3417 8819 3384 8824
TIME...MOT...LOC 2345Z 252DEG 58KT 3407 8839
$$
MSC057-095-300015-
/O.CON.KMEG.SV.W.0222.000000T0000Z-211230T0015Z/
Itawamba MS-Monroe MS-
546 PM CST Wed Dec 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CST
FOR SOUTHERN ITAWAMBA AND NORTHERN MONROE COUNTIES...
At 545 PM CST, a severe thunderstorm was located over Smithville, or
7 miles northeast of Amory, moving east at 65 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Amory, Aberdeen, Smithville, New Wren, Hatley, Gattman, Sipsey Fork,
Becker, Quincy, Turon, Splunge, Wise Gap, Athens, Wren, Bigbee,
Greenwood Springs and Parham.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 700 PM CST for northeastern
Mississippi.
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 basement 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 3385 8872 3393 8872 3399 8868 3409 8858
3409 8855 3410 8854 3417 8819 3384 8824
TIME...MOT...LOC 2345Z 252DEG 58KT 3407 8839
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 28, 9:46 PM CST | Areal Flood Advisory | MEG | Chickasaw, Itawamba, Monroe | 3 hr |
| Dec 28, 10:22 PM CST | Special Weather Statement | MEG | Monroe | 38 min |
| Dec 28, 10:37 PM CST | Flash Flood Warning | MEG | Monroe | 3 hr |
| Dec 29, 9:00 AM CST | Areal Flood Advisory | MEG | Calhoun, Chickasaw, Lee, Pontotoc, Yalobusha | 3 hr |
| Dec 29, 9:17 AM CST | Flash Flood Warning | MEG | Calhoun, Yalobusha | 3 hr |
| Dec 29, 12:14 PM CST | Areal Flood Warning | MEG | Calhoun, Chickasaw, Lee, Pontotoc, Yalobusha | 3 hr |
| Dec 29, 1:59 PM CST | Special Weather Statement | MEG | DeSoto | 31 min |
| Dec 29, 4:36 PM CST | Special Weather Statement | MEG | Calhoun | 24 min |
| Dec 29, 4:53 PM CST | Severe Thunderstorm Warning | MEG | Calhoun, Chickasaw, Itawamba, Lee, Monroe, Pontotoc | 52 min |
| Dec 29, 4:58 PM CST | Severe Thunderstorm Warning | MEG | Prentiss, Tishomingo | 14 min |
| Dec 29, 5:02 PM CST | Areal Flood Advisory | MEG | Prentiss | 2 hr |
| Dec 29, 5:06 PM CST | Tornado Warning | MEG | Calhoun, Chickasaw | 39 min |
| Dec 29, 5:42 PM CST | Areal Flood Advisory | MEG | Calhoun, Chickasaw, Itawamba, Lee, Monroe, Pontotoc | 3 hr |
| Dec 29, 5:53 PM CST | Severe Thunderstorm Warning | MEG | Monroe | 37 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.