Alert archive / Tennessee / Special Weather Statements in 2021

Special Weather Statement, NWS Nashville, TN

July 8, 2021Hickman County, Tennessee

NWS Nashville, TN issued this special weather statement at Jul 8, 2021, 6:21 PM CDT for Hickman County, Tennessee. It was in force for 39 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 8, 2021, 6:21 PM CDT (23:21 UTC)
Expired
Jul 8, 2021, 7:00 PM CDT
In force
39 min
Issued by
NWS Nashville, TN

County Hickman County, TN

The radar

The Ft Campbell radar (KHPX), 112 km from the middle of the area, began a volume at 23:21 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, 11.4 hours before the alert went out and 108 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2021-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 405 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2021-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
405 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
681 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

233 
WWUS84 KOHX 082321
SPSOHX

Special Weather Statement
National Weather Service Nashville TN
621 PM CDT Thu Jul 8 2021
 
TNZ056>058-090000-
Hickman TN-Lewis TN-Perry TN-
621 PM CDT Thu Jul 8 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN LEWIS...NORTHEASTERN
PERRY AND SOUTHWESTERN HICKMAN COUNTIES UNTIL 700 PM CDT...

At 621 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles north of Linden, moving east at 30 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Centerville, Lobelville, Kimmins, Nunnelly and Pleasantville. 

LAT...LON 3582 8783 3582 8782 3583 8782 3584 8778
      3584 8772 3585 8771 3590 8743 3556 8745
      3564 8783
TIME...MOT...LOC 2321Z 269DEG 22KT 3572 8779 

$$

21

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 4:15 PM CDTSpecial Weather StatementOHXHumphreys45 min
Jul 8, 4:41 PM CDTSpecial Weather StatementOHXHumphreys34 min
Jul 8, 5:25 PM CDTSpecial Weather StatementOHXDickson35 min

Nearby

Special Weather Statements in Tennessee, 2021Every 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.