Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 142, NWS Nashville, TN

December 5, 2021Humphreys County, Perry County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Dec 5, 2021, 5:51 PM CST for Humphreys County, Perry County, Tennessee. It was in force for 39 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 5, 2021, 5:51 PM CST (23:51 UTC)
Expired: Dec 5, 2021, 6:30 PM CST
In force: 39 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Humphreys County, TN, Perry County, TN

The radar

The Ft Campbell radar (KHPX), 125 km from the middle of the area, began a volume at 23:56 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, 6:17 PM CST	HAIL 0.75	5 Nnw Lobelville, TN	DIME TO PENNY SIZE HAIL ON RED BANK ROAD NEAR LOBELVILLE

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, 11.9 hours before the alert went out and 129 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.

971 
WUUS54 KOHX 052351
SVROHX
TNC085-135-060030-
/O.NEW.KOHX.SV.W.0142.211205T2351Z-211206T0030Z/

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

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Northwestern Perry County in Middle Tennessee...
  South central Humphreys County in Middle Tennessee...

* Until 630 PM CST.

* At 550 PM CST, a severe thunderstorm was located near Parsons, or
  10 miles east of Natchez Trace State Forest, moving northeast at 25
  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...
  Lobelville.

This includes Interstate 40 between mile markers 138 and 144.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3577 8799 3580 8797 3583 8797 3593 8777
      3569 8776 3567 8802 3568 8802 3569 8803
      3572 8804
TIME...MOT...LOC 2350Z 245DEG 23KT 3571 8809 

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

$$

Whitehead

1 follow-up statement

831 
WWUS54 KOHX 060013
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
613 PM CST Sun Dec 5 2021

TNC085-135-060030-
/O.CON.KOHX.SV.W.0142.000000T0000Z-211206T0030Z/
Perry TN-Humphreys TN-
613 PM CST Sun Dec 5 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CST
FOR NORTHWESTERN PERRY AND SOUTH CENTRAL HUMPHREYS COUNTIES...

At 613 PM CST, a severe thunderstorm was located 13 miles north of
Linden, moving northeast at 30 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...
Lobelville.

This includes Interstate 40 between mile markers 138 and 144.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3575 8794 3576 8800 3577 8799 3580 8797
      3583 8797 3593 8777 3574 8776
TIME...MOT...LOC 0013Z 242DEG 27KT 3580 8789 

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

$$

Whitehead

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 5, 5:02 PM CST	Special Weather Statement	OHX	Stewart	28 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.