Alert archive / Tennessee / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 1, NWS Nashville, TN

January 3, 2023Houston County, Montgomery County, Stewart County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jan 3, 2023, 4:04 AM CST for Houston County, Montgomery County, Stewart County, Tennessee. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jan 3, 2023, 4:04 AM CST (10:04 UTC)
Expired: Jan 3, 2023, 4:45 AM CST
In force: 41 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Houston County, TN, Montgomery County, TN, Stewart County, TN

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jan 3, 2:56 AM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 10.1 hours before the alert went out and 99 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: 283 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 744 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 204 m²/s²
0-3 km storm-relative helicity: 205 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Nashville, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jan 3, 3:24 AM CST, 40 minutes earlier.

Area forecast discussion, Jan 3, 3:24 AM CST, 40 minutes before

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Hazardous weather outlook, Jan 3, 2:15 AM CST, 1 hour 49 minutes before

Hazardous Weather Outlook
National Weather Service Nashville TN
215 AM CST Tue Jan 3 2023

TNZ005>011-023>034-056>066-075-077>080-093>095-041000-
Stewart-Montgomery-Robertson-Sumner-Macon-Clay-Pickett-Houston-
Humphreys-Dickson-Cheatham-Davidson-Wilson-Trousdale-Smith-Jackson-
Putnam-Overton-Fentress-Perry-Hickman-Lewis-Williamson-Maury-
Marshall-Rutherford-Cannon-De Kalb-White-Cumberland-Bedford-Coffee-
Warren-Grundy-Van Buren-Wayne-Lawrence-Giles-
215 AM CST Tue Jan 3 2023

This Hazardous Weather Outlook is for Middle Tennessee.

.DAY ONE...Today and tonight.

Strong to severe thunderstorms will be possible through tonight
across all of Middle Tennessee. Main threats will be strong to
damaging winds, tornadoes, and large hail. Localized flooding
may develop where heaviest downpours occur.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed. Please relay any
information about observed severe weather to the NWS while
following all local and state guidelines.

Spotter Thunderstorm Reporting Criteria...
Tornado
Funnel Cloud
Flooding
Hail >= 1/2 inch
Winds > 50 mph(Measured)
Structural Damage
Trees or Power Lines Down

JB Wright

In the hours before

Special weather statement, Jan 3, 12:35 AM CST, 3 hours 29 minutes before

Special Weather Statement
National Weather Service Nashville TN
1235 AM CST Tue Jan 3 2023

TNZ005-006-023-030715-
Stewart TN-Montgomery TN-Houston TN-
1235 AM CST Tue Jan 3 2023

...Strong thunderstorms will impact portions of northwestern
Montgomery, Stewart and northwestern Houston Counties through 115 AM
CST...

At 1235 AM CST, Doppler radar was tracking strong thunderstorms along
a line extending from 8 miles northeast of Big Rock to 6 miles west
of Tennessee Ridge. Movement was northeast at 60 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Dover, Erin, Clarksville, Tennessee Ridge, Big Rock, Cumberland City,
Houston County Airport, Indian Mound and Woodlawn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3663 8782 3664 8737 3624 8776 3625 8780
      3623 8784 3625 8795 3631 8796 3642 8804
TIME...MOT...LOC 0635Z 221DEG 51KT 3664 8763 3631 8788

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

Barnwell

Special weather statement, Jan 3, 4:01 AM CST, 3 minutes before

Special Weather Statement
National Weather Service Nashville TN
401 AM CST Tue Jan 3 2023

TNZ005-006-023-024-031045-
Stewart TN-Humphreys TN-Montgomery TN-Houston TN-
401 AM CST Tue Jan 3 2023

...Strong thunderstorms will impact portions of western Montgomery,
Stewart, Houston and north central Humphreys Counties through 445 AM
CST...

At 401 AM CST, Doppler radar was tracking strong thunderstorms along
a line extending from 8 miles southeast of Canton to near Vale.
Movement was northeast at 60 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Dover, Erin, Clarksville, Tennessee Ridge, Big Rock, Cumberland City,
Land Between The Lakes, Houston County Airport, Indian Mound and
Woodlawn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Tornado Watch remains in effect until 1100 AM CST for Middle
Tennessee.

&&

LAT...LON 3666 8785 3663 8785 3664 8742 3625 8762
      3616 8792 3622 8795 3631 8796 3645 8806
      3656 8803 3668 8807
TIME...MOT...LOC 1001Z 219DEG 53KT 3669 8789 3618 8823

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

Barnwell

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 3, 12:35 AM CST	Special Weather Statement	OHX	Stewart	40 min
Jan 3, 4:01 AM CST	Special Weather Statement	OHX	Houston, Stewart	44 min
Jan 3, 4:11 AM CST	Areal Flood Advisory	OHX	Houston, Montgomery, Stewart	3 hr
Jan 3, 4:54 AM CST	Special Weather Statement	OHX	Houston, Montgomery	51 min
Jan 3, 4:59 AM CST	Special Weather Statement	OHX	Montgomery	31 min
Jan 3, 5:36 AM CST	Special Weather Statement	OHX	Montgomery	24 min
Jan 3, 5:45 AM CST	Special Weather Statement	OHX	Cheatham, Dickson	45 min
Jan 3, 6:08 AM CST	Severe Thunderstorm Warning	OHX	Cheatham, Robertson	19 min
Jan 3, 7:00 AM CST	Special Weather Statement	OHX	Davidson	30 min
Jan 3, 7:28 AM CST	Areal Flood Advisory	OHX	Davidson, Rutherford, Sumner, Williamson, Wilson	92 min
Jan 3, 7:29 AM CST	Special Weather Statement	OHX	Dickson, Houston, Humphreys, Montgomery	46 min
Jan 3, 7:32 AM CST	Areal Flood Advisory	OHX	Dickson, Houston, Humphreys, Montgomery, Stewart	88 min
Jan 3, 7:45 AM CST	Special Weather Statement	OHX	Smith, Wilson	45 min
Jan 3, 8:44 AM CST	Special Weather Statement	OHX	Clay, Jackson	46 min
Jan 3, 9:19 AM CST	Areal Flood Advisory	OHX	Cheatham, Davidson, Dickson, Hickman, Maury, Robertson and 5 more	3 hr
Jan 3, 10:17 AM CST	Special Weather Statement	OHX	Lawrence, Wayne	28 min
Jan 3, 10:44 AM CST	Areal Flood Advisory	OHX	Bedford, Giles, Hickman, Lawrence, Lewis, Marshall and 4 more	3 hr
Jan 3, 11:32 AM CST	Severe Thunderstorm Warning	OHX	Cannon, Cumberland, DeKalb, Putnam, Van Buren, Warren and 1 more	43 min
Jan 3, 12:09 PM CST	Severe Thunderstorm Warning	OHX	Cumberland, Fentress, Overton, Putnam, White	29 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2023 Every severe thunderstorm warning in 2023

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.