Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 18, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Mar 25, 2021, 7:04 PM CDT for 4 counties in Tennessee. It was in force for 26 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
- Mar 25, 2021, 7:04 PM CDT (00:04 UTC)
- Expired
- Mar 25, 2021, 7:30 PM CDT
- In force
- 26 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Hickman County, TN, Lewis County, TN, Maury County, TN, Williamson County, TN
The radar
The Nashville radar (KOHX), 94 km from the middle of the area, began a volume at 00:07 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 25, 3:48 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 0.1 hours before the alert went out and 83 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.
- Mixed-layer CAPE
- 290 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 615 m above ground
- 0-6 km bulk shear
- 85 kt
- 0-1 km storm-relative helicity
- 657 m²/s²
- 0-3 km storm-relative helicity
- 631 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 7.4
The text
As transmitted.
178 WUUS54 KOHX 260004 SVROHX TNC081-101-119-187-260030- /O.NEW.KOHX.SV.W.0018.210326T0004Z-210326T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Nashville TN 704 PM CDT Thu Mar 25 2021 The National Weather Service in Nashville has issued a * Severe Thunderstorm Warning for... Northeastern Lewis County in Middle Tennessee... Central Maury County in Middle Tennessee... Southwestern Williamson County in Middle Tennessee... Southeastern Hickman County in Middle Tennessee... * Until 730 PM CDT. * At 704 PM CDT, a severe thunderstorm was located near Hohenwald, moving northeast at 75 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Columbia, Hohenwald, Spring Hill, Thompson's Station, Santa Fe, Gordonsburg, Kimmins, Hampshire, Williamsport, Primm Springs and Leipers Fork. This includes the following highways... Interstate 65 between mile markers 49 and 52. Interstate 840 between mile markers 12 and 26. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 1100 PM CDT for Middle Tennessee. Intense thunderstorm lines can produce brief tornadoes and widespread significant wind damage. Although a tornado is not immediately likely, it is best to move to an interior room on the lowest floor of a building. This storm may cause serious injury and significant property damage. Large hail and damaging winds and 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 3547 8751 3563 8761 3596 8702 3569 8684 TIME...MOT...LOC 0004Z 241DEG 65KT 3560 8747 HAIL...<.75IN WIND...60MPH $$ Rose
1 follow-up statement
202 WWUS54 KOHX 260012 SVSOHX Severe Weather Statement National Weather Service Nashville TN 712 PM CDT Thu Mar 25 2021 TNC081-101-119-187-260030- /O.CON.KOHX.SV.W.0018.000000T0000Z-210326T0030Z/ Lewis TN-Maury TN-Williamson TN-Hickman TN- 712 PM CDT Thu Mar 25 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR NORTHEASTERN LEWIS...CENTRAL MAURY...SOUTHWESTERN WILLIAMSON AND SOUTHEASTERN HICKMAN COUNTIES... At 712 PM CDT, a severe thunderstorm was located near Hohenwald, moving northeast at 75 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Columbia, Hohenwald, Spring Hill, Thompson's Station, Santa Fe, Gordonsburg, Kimmins, Hampshire, Williamsport, Primm Springs and Leipers Fork. This includes the following highways... Interstate 65 between mile markers 49 and 52. Interstate 840 between mile markers 12 and 26. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 1100 PM CDT for Middle Tennessee. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 3547 8751 3563 8761 3596 8702 3569 8684 TIME...MOT...LOC 0012Z 235DEG 66KT 3557 8751 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$ Rose
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 7:04 PM CDT | Tornado Warning | OHX | Lewis, Perry, Wayne | 41 min |
| Mar 25, 7:12 PM CDT | Areal Flood Advisory | OHX | Lewis, Perry, Wayne | 2 hr |
| Mar 25, 7:27 PM CDT | Severe Thunderstorm Warning | OHX | Hickman, Lewis, Maury, Williamson | 9 min |
| Mar 25, 7:36 PM CDT | Tornado Warning | OHX | Lawrence, Lewis, Maury, Wayne | 39 min |
| Mar 25, 7:39 PM CDT | Special Weather Statement | OHX | Trousdale, Williamson | 36 min |
| Mar 25, 7:50 PM CDT | Severe Thunderstorm Warning | OHX | Lawrence, Wayne | 40 min |
| Mar 25, 7:52 PM CDT | Severe Thunderstorm Warning | OHX | Davidson, Williamson | 38 min |
| Mar 25, 8:13 PM CDT | Tornado Warning | OHX | Davidson, DeKalb, Rutherford, Smith, Williamson, Wilson | 32 min |
| Mar 25, 8:35 PM CDT | Tornado Warning | OHX | Bedford, Marshall, Maury, Rutherford, Williamson | 25 min |
| Mar 25, 8:41 PM CDT | Severe Thunderstorm Warning | OHX | Bedford, Giles, Marshall, Maury, Rutherford | 34 min |
| Mar 25, 8:41 PM CDT | Tornado Warning | OHX | Smith, Trousdale, Wilson | 34 min |
| Mar 25, 8:49 PM CDT | Tornado Warning | OHX | Rutherford | 26 min |
| Mar 25, 9:01 PM CDT | Tornado Warning | OHX | Jackson, Macon, Smith | 14 min |
| Mar 25, 9:09 PM CDT | Severe Thunderstorm Warning | OHX | Cannon, DeKalb, Rutherford, Smith, Wilson | 36 min |
| Mar 25, 9:40 PM CDT | Severe Thunderstorm Warning | OHX | DeKalb, Putnam, White | 35 min |
| Mar 25, 9:53 PM CDT | Areal Flood Advisory | OHX | Davidson | 3 hr |
| Mar 25, 9:54 PM CDT | River Flood Advisory | OHX | Davidson | 3 hr |
| Mar 25, 9:57 PM CDT | River Flood Advisory | OHX | Davidson | 3 hr |
| Mar 25, 10:22 PM CDT | Special Weather Statement | OHX | Fentress, Overton, Pickett, White | 38 min |
| Mar 25, 10:37 PM CDT | Special Weather Statement | OHX | Cumberland | 38 min |
| Mar 25, 10:37 PM CDT | Special Weather Statement | OHX | Grundy, Van Buren | 23 min |
| Mar 26, 5:58 PM CDT | Flash Flood Watch | OHX | Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more | 42 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.