Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 197, NWS Memphis, TN

December 5, 20215 counties in Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Dec 5, 2021, 4:24 PM CST for 5 counties in Tennessee. It was in force for 51 min. 4 reports 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 5, 2021, 4:24 PM CST (22:24 UTC)
Expired: Dec 5, 2021, 5:15 PM CST
In force: 51 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Chester County, TN, Decatur County, TN, Hardeman County, TN, Henderson County, TN, Madison County, TN

The radar

The Ft Campbell radar (KHPX), 142 km from the middle of the area, began a volume at 22:24 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 5, 4:57 PM CST	FUNNEL CLOUD	S Lexington, TN	MASSIVE FUNNEL CLOUD AROUND HIGHWAY 22 IN SOUTHERN HENDERSON COUNTY.
Dec 5, 5:00 PM CST	FUNNEL CLOUD	2 E Mifflin, TN	FUNNEL CLOUD REPORTED OVER THE MIDDLEFORK COMMUNITY EAST OF MIFFLIN ALONG THE CHESTER AND HENDERSON COUNTY LINE.
Dec 5, 5:14 PM CST	HAIL 0.88	8 S Lexington, TN
Dec 5, 5:15 PM CST	FUNNEL CLOUD	S Lexington, TN	MASSIVE FUNNEL CLOUD AROUND HIGHWAY 22 IN SOUTHERN HENDERSON COUNTY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.4 hours before the alert went out and 151 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 870 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

824 
WUUS54 KMEG 052224
SVRMEG
TNC023-039-069-077-113-052315-
/O.NEW.KMEG.SV.W.0197.211205T2224Z-211205T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
424 PM CST Sun Dec 5 2021

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Henderson County in western Tennessee...
  Northeastern Hardeman County in western Tennessee...
  Southeastern Madison County in western Tennessee...
  Chester County in western Tennessee...
  Northern Decatur County in western Tennessee...

* Until 515 PM CST.

* At 423 PM CST, a severe thunderstorm was located over Chickasaw
  State Park, moving northeast at 45 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...
  Lexington, Henderson, Chickasaw State Forest, Natchez Trace State
  Park, Natchez Trace State Forest, Chickasaw State Park, Parsons,
  Decaturville, Silerton, Reagan, Jacks Creek, Darden, Mifflin,
  Scotts Hill, Medon, Pinson, Pine Top, Busseltown, Jeannette and
  Rock Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3562 8804 3561 8803 3529 8880 3544 8891
      3582 8820 3582 8818 3583 8818 3585 8815
      3584 8809 3574 8802 3572 8803 3570 8803
      3568 8802 3566 8802
TIME...MOT...LOC 2223Z 240DEG 49KT 3541 8878 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 4, 10:00 PM CST	Dense Fog Advisory	MEG	Fayette, Hardeman, McNairy, Shelby	11 hr
Dec 5, 4:00 PM CST	Special Weather Statement	MEG	Chester	30 min
Dec 5, 5:00 PM CST	Tornado Warning	MEG	Chester, Decatur, Henderson	45 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2021 Every 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.