Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 172, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Jul 10, 2021, 10:34 PM CDT for Clay County, Arkansas; Dunklin County, Pemiscot County, Missouri. It was in force for 41 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
- Jul 10, 2021, 10:34 PM CDT (03:34 UTC)
- Expired
- Jul 10, 2021, 11:15 PM CDT
- In force
- 41 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Clay County, AR, Dunklin County, MO, Pemiscot County, MO
The radar
The Memphis radar (KNQA), 127 km from the middle of the area, began a volume at 03:34 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 nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 3.6 hours before the alert went out and 184 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
- 1010 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1462 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 4.9
The text
As transmitted.
083
WUUS54 KMEG 110334
SVRMEG
ARC021-MOC069-155-110415-
/O.NEW.KMEG.SV.W.0172.210711T0334Z-210711T0415Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
1034 PM CDT Sat Jul 10 2021
The National Weather Service in Memphis has issued a
* Severe Thunderstorm Warning for...
Northeastern Clay County in eastern Arkansas...
Northern Pemiscot County in southeastern Missouri...
Northeastern Dunklin County in southeastern Missouri...
* Until 1115 PM CDT.
* At 1034 PM CDT, a severe thunderstorm was located 7 miles east of
Neelyville, or 10 miles northwest of Chalk Bluff Natural Area,
moving east at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Malden, Piggott, Corning, Portageville, Campbell, Chalk Bluff
Natural Area, Holcomb, Wardell, St. Francis, Pollard, Greenway,
McDougal, Glennonville, Saint Francis, Crockett, Hickoria,
Carryville, Rhyne, North Wardell and White Oak.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3663 8996 3639 8997 3639 8975 3643 8973
3640 8967 3641 8962 3632 8962 3635 9059
3650 9055 3650 9022 3654 9021 3655 9019
3659 9019 3663 9015
TIME...MOT...LOC 0334Z 271DEG 47KT 3656 9038
HAIL...<.75IN
WIND...60MPH
$$
KRM2 follow-up statements
386
WWUS54 KMEG 110349
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
1049 PM CDT Sat Jul 10 2021
ARC021-MOC069-155-110415-
/O.CON.KMEG.SV.W.0172.000000T0000Z-210711T0415Z/
Clay AR-Pemiscot MO-Dunklin MO-
1049 PM CDT Sat Jul 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR NORTHEASTERN CLAY...NORTHERN PEMISCOT AND NORTHEASTERN DUNKLIN
COUNTIES...
At 1049 PM CDT, a severe thunderstorm was located over Qulin, or near
Chalk Bluff Natural Area, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Malden, Piggott, Corning, Portageville, Campbell, Chalk Bluff Natural
Area, Holcomb, Wardell, St. Francis, Pollard, Greenway, McDougal,
Glennonville, Saint Francis, Crockett, Hickoria, Carryville, Rhyne,
North Wardell and White Oak.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3663 8996 3639 8997 3639 8975 3643 8973
3640 8967 3641 8962 3632 8962 3635 9059
3650 9055 3650 9022 3654 9021 3655 9019
3659 9019 3663 9015
TIME...MOT...LOC 0349Z 270DEG 37KT 3656 9026
HAIL...<.75IN
WIND...60MPH
$$
KRM949
WWUS54 KMEG 110401
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
1101 PM CDT Sat Jul 10 2021
ARC021-MOC069-155-110415-
/O.CON.KMEG.SV.W.0172.000000T0000Z-210711T0415Z/
Clay AR-Pemiscot MO-Dunklin MO-
1101 PM CDT Sat Jul 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR NORTHEASTERN CLAY...NORTHERN PEMISCOT AND NORTHEASTERN DUNKLIN
COUNTIES...
At 1101 PM CDT, a severe thunderstorm was located over Glennonville,
or near Chalk Bluff Natural Area, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Malden, Piggott, Portageville, Campbell, Chalk Bluff Natural Area,
Holcomb, Wardell, St. Francis, Pollard, Greenway, Glennonville, Saint
Francis, Crockett, Carryville, Rhyne, North Wardell, White Oak,
Homestown, Valley Ridge and Chalk Bluff Battlefield Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3663 8996 3639 8997 3639 8975 3643 8973
3640 8967 3641 8962 3632 8962 3634 9043
3650 9032 3650 9022 3654 9021 3655 9019
3659 9019 3663 9015
TIME...MOT...LOC 0401Z 271DEG 39KT 3655 9016
HAIL...<.75IN
WIND...60MPH
$$
KRMThe office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 10:15 PM CDT | Special Weather Statement | MEG | Clay | 30 min |
| Jul 10, 11:16 PM CDT | Special Weather Statement | MEG | Craighead | 29 min |
| Jul 10, 11:30 PM CDT | Special Weather Statement | MEG | Craighead, Mississippi, Poinsett | 45 min |
| Jul 10, 11:55 PM CDT | Severe Thunderstorm Warning | MEG | Craighead, Crittenden, Mississippi, Poinsett | 50 min |
| Jul 11, 12:24 AM CDT | Severe Thunderstorm Warning | MEG | Crittenden | 51 min |
| Jul 11, 1:18 AM CDT | Special Weather Statement | MEG | Crittenden | 27 min |
| Jul 11, 1:47 AM CDT | Special Weather Statement | MEG | Lee, St. Francis | 28 min |
| Jul 11, 2:52 AM CDT | Areal Flood Advisory | MEG | Crittenden | 3 hr |
| Jul 10, 11:21 PM CDT | Special Weather Statement | MEG | Dunklin, Pemiscot | 24 min |
| Jul 10, 11:46 PM CDT | Special Weather Statement | MEG | Dunklin, Pemiscot | 44 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2021Severe 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.