Alert archive / Tennessee / Special Weather Statements in 2021

Special Weather Statement, NWS Memphis, TN

October 15, 2021Benton County, Tennessee

NWS Memphis, TN issued this special weather statement at Oct 15, 2021, 5:39 PM CDT for Benton County, Tennessee. It was in force for 36 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: Oct 15, 2021, 5:39 PM CDT (22:39 UTC)
Expired: Oct 15, 2021, 6:15 PM CDT
In force: 36 min
Issued by: NWS Memphis, TN
Hail: 0.00 in
Wind: 40

County Benton County, TN

The radar

The Ft Campbell radar (KHPX), 98 km from the middle of the area, began a volume at 22:42 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

Nashville Metro, TN (KBNA), launched 12:00Z, 10.7 hours before the alert went out and 126 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: 47 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 810 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 215 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

080 
WWUS84 KMEG 152239
SPSMEG

Special Weather Statement
National Weather Service Memphis TN
539 PM CDT Fri Oct 15 2021
 
TNZ022-152315-
Benton TN-
539 PM CDT Fri Oct 15 2021

...A strong thunderstorm will impact portions of central Benton
County through 615 PM CDT...

At 539 PM CDT, trained weather spotters reported a strong
thunderstorm over Camden, moving east at 35 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Trained weather spotters.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Camden and Nathan Bedford Forrest State Park. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
western Tennessee.

&&

LAT...LON 3613 8792 3603 8800 3600 8800 3598 8802
      3597 8802 3596 8809 3613 8814 3620 8794
      3616 8792
TIME...MOT...LOC 2239Z 255DEG 31KT 3607 8803 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 15, 5:31 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto, Tate, Tunica	44 min
Oct 15, 5:56 PM CDT	Tornado Warning	MEG	DeSoto, Tunica	18 min
Oct 15, 6:21 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto, Tate, Tunica	18 min
Oct 15, 6:56 PM CDT	Special Weather Statement	MEG	Marshall	34 min
Oct 15, 3:06 AM CDT	Areal Flood Advisory	MEG	Shelby	3 hr
Oct 15, 3:23 PM CDT	Special Weather Statement	MEG	Weakley	37 min
Oct 15, 4:33 PM CDT	Special Weather Statement	MEG	Henry	27 min
Oct 15, 4:42 PM CDT	Severe Thunderstorm Warning	MEG	Lauderdale, Tipton	48 min
Oct 15, 4:55 PM CDT	Tornado Warning	MEG	Lauderdale, Tipton	23 min
Oct 15, 5:43 PM CDT	Special Weather Statement	MEG	Tipton	47 min
Oct 15, 5:56 PM CDT	Severe Thunderstorm Warning	MEG	Crockett, Gibson, Haywood, Madison	49 min
Oct 15, 6:28 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Hardeman, Haywood, Madison	17 min
Oct 15, 6:43 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Chester, Gibson, Hardeman, Henderson, Madison	47 min
Oct 15, 3:35 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Poinsett	18 min
Oct 15, 3:54 PM CDT	Special Weather Statement	MEG	Craighead, Poinsett	36 min
Oct 15, 4:25 PM CDT	Special Weather Statement	MEG	Mississippi	35 min
Oct 15, 4:46 PM CDT	Severe Thunderstorm Warning	MEG	Cross, Lee, St. Francis	44 min

Nearby

Special Weather Statements in Tennessee, 2021 Every special weather statement 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.