Alert archive / Tennessee / Special Weather Statements in 2021

Special Weather Statement, NWS Nashville, TN

June 29, 2021Houston County, Stewart County, Tennessee

NWS Nashville, TN issued this special weather statement at Jun 29, 2021, 3:21 PM CDT for Houston County, Stewart 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: Jun 29, 2021, 3:21 PM CDT (20:21 UTC)
Expired: Jun 29, 2021, 4:00 PM CDT
In force: 39 min
Issued by: NWS Nashville, TN

Counties Houston County, TN, Stewart County, TN

The radar

The Ft Campbell radar (KHPX), 68 km from the middle of the area, began a volume at 20:22 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, 8.4 hours before the alert went out and 111 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: 1387 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 1208 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

659 
WWUS84 KOHX 292021
SPSOHX

Special Weather Statement
National Weather Service Nashville TN
321 PM CDT Tue Jun 29 2021
 
TNZ005-023-024-292100-
Stewart TN-Humphreys TN-Houston TN-
321 PM CDT Tue Jun 29 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN STEWART...HOUSTON AND
NORTH CENTRAL HUMPHREYS COUNTIES UNTIL 400 PM CDT...

At 321 PM CDT, Doppler radar was tracking a strong thunderstorm near
Tennessee Ridge, or near Erin, moving northwest at 20 mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Waverly, Dover, Erin, Tennessee Ridge, Cumberland City and Houston
County Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3655 8780 3637 8759 3634 8759 3634 8755
      3631 8752 3607 8775 3613 8792 3617 8792
      3618 8793 3622 8795 3626 8794 3631 8796
      3635 8798 3637 8800
TIME...MOT...LOC 2021Z 117DEG 19KT 3623 8775 

$$

Schaper

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 7:36 PM CDT	Special Weather Statement	OHX	Cumberland	39 min
Jun 29, 10:56 AM CDT	Special Weather Statement	OHX	Marshall	34 min
Jun 29, 12:13 PM CDT	Special Weather Statement	OHX	Bedford	32 min
Jun 29, 12:22 PM CDT	Special Weather Statement	OHX	Wayne	38 min
Jun 29, 12:47 PM CDT	Severe Thunderstorm Warning	OHX	Wayne	13 min
Jun 29, 12:56 PM CDT	Special Weather Statement	OHX	Lewis	34 min
Jun 29, 1:09 PM CDT	Special Weather Statement	OHX	Wayne	36 min
Jun 29, 1:12 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lewis	33 min
Jun 29, 1:33 PM CDT	Special Weather Statement	OHX	Perry	42 min
Jun 29, 2:11 PM CDT	Special Weather Statement	OHX	Perry	34 min
Jun 29, 2:28 PM CDT	Special Weather Statement	OHX	Dickson	32 min
Jun 29, 2:53 PM CDT	Special Weather Statement	OHX	Wilson	37 min
Jun 29, 2:58 PM CDT	Severe Thunderstorm Warning	OHX	Smith, Wilson	34 min
Jun 29, 3:25 PM CDT	Special Weather Statement	OHX	Cheatham	50 min
Jun 29, 4:07 PM CDT	Special Weather Statement	OHX	Sumner	53 min
Jun 29, 4:30 PM CDT	Special Weather Statement	OHX	Cumberland	45 min
Jun 29, 5:37 PM CDT	Special Weather Statement	OHX	Putnam	38 min
Jun 29, 5:44 PM CDT	Special Weather Statement	OHX	DeKalb	31 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.