Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 3, NWS Nashville, TN

January 25, 20214 counties in Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jan 25, 2021, 6:59 PM CST for 4 counties in Tennessee. It was in force for 31 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
Jan 25, 2021, 6:59 PM CST (00:59 UTC)
Expired
Jan 25, 2021, 7:30 PM CST
In force
31 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Tornado
Possible
Hail
0.88 in
Wind
60.0 mph

Counties Dickson County, TN, Hickman County, TN, Maury County, TN, Williamson County, TN

The radar

The Nashville radar (KOHX), 85 km from the middle of the area, began a volume at 00:58 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

TimeReportWhereRemark
Jan 25, 7:07 PM CSTTSTM WND DMGCenterville, TNREPORT OF A FEW TREES DOWN. TIME ESTIMATED VIA RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Jan 25, 5:52 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 1.0 hours before the alert went out and 76 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 00:00Z on 2021-01-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2021-01-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 654 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
548 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
654 m²/s²
0-3 km storm-relative helicity
735 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

587 
WUUS54 KOHX 260059
SVROHX
TNC043-081-119-187-260130-
/O.NEW.KOHX.SV.W.0003.210126T0059Z-210126T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
659 PM CST Mon Jan 25 2021

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Southeastern Dickson County in Middle Tennessee...
  North central Maury County in Middle Tennessee...
  Northwestern Williamson County in Middle Tennessee...
  Northeastern Hickman County in Middle Tennessee...

* Until 730 PM CST.

* At 659 PM CST, a severe thunderstorm was located near Centerville, 
  moving east at 40 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Centerville, Fairview, Bon Aqua, Pinewood, Primm Springs, Lyles and
  Nunnelly.

This includes the following highways...
 Interstate 40 near mile marker 156.
 Interstate 840 between mile markers 2 and 20.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 100 AM CST for Middle
Tennessee.

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

&&

LAT...LON 3573 8755 3593 8760 3604 8710 3580 8702
TIME...MOT...LOC 0059Z 256DEG 36KT 3582 8745 

TORNADO...POSSIBLE
HAIL...0.88IN
WIND...60MPH
 
$$

Shamburger
1 follow-up statement
815 
WWUS54 KOHX 260118
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
718 PM CST Mon Jan 25 2021

TNC043-081-119-187-260130-
/O.CON.KOHX.SV.W.0003.000000T0000Z-210126T0130Z/
Dickson TN-Maury TN-Williamson TN-Hickman TN-
718 PM CST Mon Jan 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CST
FOR SOUTHEASTERN DICKSON...NORTH CENTRAL MAURY...NORTHWESTERN
WILLIAMSON AND NORTHEASTERN HICKMAN COUNTIES...

At 717 PM CST, a severe thunderstorm was located Primm Springs, or 
13 miles east of Centerville, moving east at 40 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Fairview, Primm Springs, Lyles and Bon Aqua. 

This includes Interstate 840 between mile markers 3 and 20.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 100 AM CST for Middle
Tennessee.

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3596 8736 3604 8710 3580 8702 3576 8732
TIME...MOT...LOC 0117Z 259DEG 36KT 3586 8723 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

Shamburger

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 25, 6:14 PM CSTSpecial Weather StatementOHXHickman, Perry46 min
Jan 25, 6:18 PM CSTSevere Thunderstorm WarningOHXCannon, Davidson, Maury, Rutherford, Williamson, Wilson42 min
Jan 25, 7:21 PM CSTSpecial Weather StatementOHXWilliamson39 min
Jan 25, 7:51 PM CSTAreal Flood AdvisoryOHXDavidson, Dickson, Hickman, Williamson5 hr
Jan 25, 8:18 PM CSTSpecial Weather StatementOHXSmith, Wilson27 min
Jan 25, 8:39 PM CSTSpecial Weather StatementOHXWilson36 min
Jan 25, 9:10 PM CSTAreal Flood AdvisoryOHXMaury, Rutherford, Williamson, Wilson2 hr
Jan 25, 9:21 PM CSTSpecial Weather StatementOHXCannon, Rutherford24 min
Jan 25, 9:28 PM CSTSpecial Weather StatementOHXPutnam32 min
Jan 25, 9:36 PM CSTSpecial Weather StatementOHXBedford24 min
Jan 25, 9:55 PM CSTSpecial Weather StatementOHXBedford, Coffee35 min
Jan 26, 8:08 AM CSTRiver Flood AdvisoryOHXMontgomery, Robertson6 hr

Nearby

Severe Thunderstorm Warnings in Tennessee, 2021Every 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.