Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 209, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Dec 11, 2021, 12:48 AM CST for DeSoto County, Tunica County, Mississippi; Crittenden County, Lee County, St. Francis County, Arkansas. It was in force for 42 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
- Dec 11, 2021, 12:48 AM CST (06:48 UTC)
- Expired
- Dec 11, 2021, 1:30 AM CST
- In force
- 42 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Crittenden County, AR, Lee County, AR, St. Francis County, AR, DeSoto County, MS, Tunica County, MS
The radar
The Memphis radar (KNQA), 67 km from the middle of the area, began a volume at 06:48 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 |
|---|---|---|---|
| Dec 11, 1:18 AM CST | TSTM WND DMG | Olive Branch, MS | LARGE TREE DOWN IN OLIVE BRANCH. |
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 |
|---|---|---|---|
| Dec 10, 3:07 PM CST | Tornado Watch | SPC | 11 hr |
| Dec 10, 10:44 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 6.8 hours before the alert went out and 39 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
- 1725 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 759 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 398 m²/s²
- 0-3 km storm-relative helicity
- 420 m²/s²
- Significant tornado parameter
- 4.8
- Supercell composite
- 16.2
The text
As transmitted.
483 WUUS54 KMEG 110648 SVRMEG ARC035-077-123-MSC033-143-110730- /O.NEW.KMEG.SV.W.0209.211211T0648Z-211211T0730Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Memphis TN 1248 AM CST Sat Dec 11 2021 The National Weather Service in Memphis has issued a * Severe Thunderstorm Warning for... Eastern Lee County in eastern Arkansas... Southeastern St. Francis County in eastern Arkansas... Southwestern Crittenden County in eastern Arkansas... Northern DeSoto County in northwestern Mississippi... Northern Tunica County in northwestern Mississippi... * Until 130 AM CST. * At 1248 AM CST, a severe thunderstorm was located over Lake Cormorant, or 12 miles east of Hughes, moving east at 85 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Southaven, Olive Branch, Horn Lake, Hernando, Hughes, Walls, Horseshoe Lake, Pinckney, Lake Cormorant, Lynchburg, Eudora, Robinsonville, Brickeys, North Tunica, Newport, Clack, Kokomo, Trinity, Commerce and Mud Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 500 AM CST for eastern Arkansas...and northwestern Mississippi. For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3498 9063 3499 8972 3465 9051 TIME...MOT...LOC 0648Z 248DEG 76KT 3491 9026 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ SMW
1 follow-up statement
485
WWUS54 KMEG 110720
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
120 AM CST Sat Dec 11 2021
ARC035-077-123-MSC033-143-110730-
/O.EXP.KMEG.SV.W.0209.000000T0000Z-211211T0730Z/
Lee AR-St. Francis AR-Crittenden AR-DeSoto MS-Tunica MS-
120 AM CST Sat Dec 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LEE...SOUTHEASTERN ST.
FRANCIS...SOUTHWESTERN CRITTENDEN...NORTHERN DESOTO AND NORTHERN
TUNICA COUNTIES WILL EXPIRE AT 130 AM CST...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 500 AM CST for eastern
Arkansas...and northwestern Mississippi.
LAT...LON 3498 9063 3499 8972 3465 9051
TIME...MOT...LOC 0720Z 248DEG 76KT 3634 8837
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 10:46 PM CST | Severe Thunderstorm Warning | MEG | Tunica | 44 min |
| Dec 10, 11:25 PM CST | Severe Thunderstorm Warning | MEG | DeSoto | 9 min |
| Dec 10, 11:48 PM CST | Severe Thunderstorm Warning | MEG | DeSoto, Marshall | 42 min |
| Dec 11, 12:46 AM CST | Severe Thunderstorm Warning | MEG | Tunica | 44 min |
| Dec 11, 2:12 AM CST | Areal Flood Advisory | MEG | DeSoto, Tunica | 3 hr |
| Dec 11, 2:41 AM CST | Severe Thunderstorm Warning | MEG | Benton, Marshall | 49 min |
| Dec 11, 2:44 AM CST | Areal Flood Advisory | MEG | DeSoto | 2 hr |
| Dec 11, 2:51 AM CST | Flash Flood Warning | MEG | DeSoto | 2 hr |
| Dec 11, 2:55 AM CST | Severe Thunderstorm Warning | MEG | Panola, Tallahatchie, Yalobusha | 50 min |
| Dec 11, 3:03 AM CST | Severe Thunderstorm Warning | MEG | Alcorn, Benton, Tippah | 42 min |
| Dec 11, 3:19 AM CST | Areal Flood Advisory | MEG | Benton, Marshall, Tippah | 3 hr |
| Dec 11, 3:59 AM CST | Severe Thunderstorm Warning | MEG | Lafayette, Lee, Pontotoc, Union | 31 min |
| Dec 11, 4:03 AM CST | Flash Flood Warning | MEG | Calhoun, Lafayette, Lee, Pontotoc, Prentiss, Tallahatchie and 3 more | 2 hr |
| Dec 11, 4:07 AM CST | Special Weather Statement | MEG | Alcorn | 23 min |
| Dec 11, 4:21 AM CST | Severe Thunderstorm Warning | MEG | Itawamba, Lee, Prentiss, Tishomingo | 39 min |
| Dec 11, 4:25 AM CST | Tornado Warning | MEG | Itawamba, Prentiss, Tishomingo | 35 min |
| Dec 11, 4:55 AM CST | Areal Flood Advisory | MEG | Alcorn, Prentiss, Tippah, Tishomingo | 3 hr |
| Dec 11, 4:58 AM CST | Severe Thunderstorm Warning | MEG | Itawamba, Lee, Prentiss, Tishomingo | 47 min |
| Dec 11, 5:12 AM CST | Severe Thunderstorm Warning | MEG | Itawamba, Lee, Prentiss, Tishomingo | 33 min |
| Dec 11, 5:56 AM CST | Special Weather Statement | MEG | Monroe | 79 min |
| Dec 10, 6:07 PM CST | Tornado Warning | MEG | Craighead, Poinsett | 38 min |
| Dec 10, 6:39 PM CST | Tornado Warning | MEG | Craighead, Greene, Mississippi, Poinsett | 51 min |
| Dec 10, 7:06 PM CST | Tornado Warning | MEG | Craighead, Greene, Mississippi | 39 min |
| Dec 10, 7:28 PM CST | Tornado Warning | MEG | Mississippi | 47 min |
| Dec 10, 8:14 PM CST | Tornado Warning | MEG | Craighead, Greene | 34 min |
| Dec 10, 8:20 PM CST | Tornado Warning | MEG | Cross, Poinsett | 40 min |
| Dec 10, 8:57 PM CST | Tornado Warning | MEG | Craighead, Poinsett | 48 min |
| Dec 10, 8:59 PM CST | Tornado Warning | MEG | Craighead, Crittenden, Cross, Poinsett | 31 min |
| Dec 10, 9:18 PM CST | Tornado Warning | MEG | Craighead, Mississippi, Poinsett | 42 min |
| Dec 10, 9:24 PM CST | Tornado Warning | MEG | Craighead, Mississippi, Poinsett | 51 min |
| Dec 10, 9:25 PM CST | Severe Thunderstorm Warning | MEG | Crittenden, Cross, Mississippi, Poinsett | 50 min |
| Dec 10, 9:39 PM CST | Areal Flood Advisory | MEG | Craighead, Cross, Poinsett | 3 hr |
| Dec 10, 9:52 PM CST | Tornado Warning | MEG | Mississippi | 38 min |
| Dec 10, 10:01 PM CST | Tornado Warning | MEG | Mississippi | 44 min |
| Dec 10, 11:20 PM CST | Severe Thunderstorm Warning | MEG | Mississippi | 15 min |
| Dec 10, 11:41 PM CST | Areal Flood Advisory | MEG | Mississippi | 3 hr |
| Dec 10, 11:52 PM CST | Tornado Warning | MEG | Crittenden | 34 min |
| Dec 11, 12:02 AM CST | Severe Thunderstorm Warning | MEG | Crittenden, Lee, St. Francis | 43 min |
| Dec 11, 12:30 AM CST | Severe Thunderstorm Warning | MEG | Crittenden | 30 min |
| Dec 11, 1:43 AM CST | Special Weather Statement | MEG | Phillips | 32 min |
| Dec 11, 6:56 AM CST | Wind Advisory | MEG | Clay, Craighead, Greene, Mississippi, Poinsett | 5 hr |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2021Severe 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.