Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 68, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at May 4, 2021, 7:29 AM CDT for 8 counties in Tennessee. It was in force for 46 min. 6 reports 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
- May 4, 2021, 7:29 AM CDT (12:29 UTC)
- Expired
- May 4, 2021, 8:15 AM CDT
- In force
- 46 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Clay County, TN, DeKalb County, TN, Fentress County, TN, Jackson County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, White County, TN
The radar
The Nashville radar (KOHX), 87 km from the middle of the area, began a volume at 12:29 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 4, 7:43 AM CDT | TORNADO | 3 Nne Smithville, TN | THIS EF-0 TORNADO TOUCHED DOWN ALONG COCONUT RIDGE ROAD NORTH OF SMITHVILLE, BLOWING DOWN SEVERAL TREES. MOVING SOUTHEAST, THE TORNADO CROSSED HIGHWAY 56 AND MOVED DOWN HOLIDAY HAVEN ROAD, DAMAGING SEVERAL HOMES AND BARNS AND CONTINUING TO BLOW DOWN TREES. THE |
| May 4, 7:45 AM CDT | TSTM WND DMG | Smithville, TN | TREES DOWN AND SOME STRUCTURAL DAMAGE OF HOMES IN SMITHVILLE AND ALSO TOWARD FLAGO BRIDGE IN THE HOLLIDAY HAVEN COMMUNITY |
| May 4, 7:47 AM CDT | TSTM WND DMG | Livingston, TN | TREE DOWN ALONG WINDLE COMMUNITY RD NEAR PUNCHEON CREEK |
| May 4, 7:47 AM CDT | TSTM WND DMG | Smithville, TN | TREES DOWNS AND SOME ROOF DAMAGE IN SMITHVILLE |
| May 4, 8:03 AM CDT | TSTM WND DMG | 3 Wnw Sparta, TN | SEVERE STRAIGHT-LINE WINDS CAUSED SIGNIFICANT DAMAGE ON THE WEST SIDE OF SPARTA ALONG OLD SMITHVILLE HIGHWAY AND HIGHWAY 70. NUMEROUS TREES WERE BLOWN DOWN, OUTBUILDINGS WERE DAMAGED OR DESTROYED, AND SOME HOMES SUFFERED MINOR DAMAGE. |
| May 4, 8:07 AM CDT | TORNADO | 3 Nnw Sparta, TN | THIS SMALL EF-0 TORNADO TOUCHED DOWN ON THE NORTH SIDE OF SPARTA NEAR FRANKLIN AVENUE AND SPRING STREET. MOVING SOUTHEAST, THE TORNADO HEAVILY DAMAGED A BARN ON ROBERTS MATTHEWS HIGHWAY AND BLEW DOWN SEVERAL TREES AT THE SPARTA DRIVE-IN THEATRE. MORE TREES WER |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 4, 5:13 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 0.5 hours before the alert went out and 340 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
- 590 J/kg
- Mixed-layer CIN
- -114 J/kg
- Mixed-layer LCL
- 753 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 207 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted.
892
WUUS54 KOHX 041229
SVROHX
TNC027-041-049-087-133-137-141-185-041315-
/O.NEW.KOHX.SV.W.0068.210504T1229Z-210504T1315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
729 AM CDT Tue May 4 2021
The National Weather Service in Nashville has issued a
* Severe Thunderstorm Warning for...
Overton County in Middle Tennessee...
Pickett County in Middle Tennessee...
Eastern De Kalb County in Middle Tennessee...
Jackson County in Middle Tennessee...
Clay County in Middle Tennessee...
Northwestern White County in Middle Tennessee...
Putnam County in Middle Tennessee...
Northwestern Fentress County in Middle Tennessee...
* Until 815 AM CDT.
* At 729 AM CDT, severe thunderstorms were located along a line
extending from 8 miles south of Tompkinsville to near Smithville,
moving east at 75 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Cookeville, Sparta, Smithville, Livingston, Celina, Gainesboro,
Byrdstown, Algood, Monterey, Baxter, Hamptons Crossroads, Bakers
Crossroads, Whitleyville, Moss, Burgess Falls State Park, Rickman,
Center Hill Lake, Wolf River Dock, Granville and Dale Hollow Lake.
This includes Interstate 40 between mile markers 267 and 301.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3661 8495 3592 8540 3588 8590 3613 8583
3612 8583 3617 8579 3617 8580 3621 8581
3622 8578 3626 8580 3662 8570 3661 8550
3663 8525
TIME...MOT...LOC 1229Z 255DEG 65KT 3657 8568 3592 8581
HAIL...<.75IN
WIND...60MPH
$$
13The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 9:22 PM CDT | River Flood Advisory | OHX | Hickman | 11 hr |
| May 3, 11:50 PM CDT | Special Weather Statement | OHX | Sumner | 40 min |
| May 3, 11:56 PM CDT | Special Weather Statement | OHX | Jackson, Macon, Trousdale | 34 min |
| May 4, 12:25 AM CDT | Severe Thunderstorm Warning | OHX | Clay, Jackson, Macon, Trousdale | 35 min |
| May 4, 12:58 AM CDT | Severe Thunderstorm Warning | OHX | Clay, Jackson, Macon | 47 min |
| May 4, 1:32 AM CDT | Special Weather Statement | OHX | Cumberland | 43 min |
| May 4, 1:34 AM CDT | Severe Thunderstorm Warning | OHX | Clay, Overton | 26 min |
| May 4, 1:54 AM CDT | Special Weather Statement | OHX | Macon | 51 min |
| May 4, 2:00 AM CDT | Special Weather Statement | OHX | Pickett | 45 min |
| May 4, 2:07 AM CDT | Severe Thunderstorm Warning | OHX | Cumberland | 23 min |
| May 4, 3:01 AM CDT | Special Weather Statement | OHX | Clay | 29 min |
| May 4, 3:07 AM CDT | Severe Thunderstorm Warning | OHX | Clay, Overton, Pickett | 38 min |
| May 4, 4:12 AM CDT | Severe Thunderstorm Warning | OHX | Houston, Humphreys, Stewart | 48 min |
| May 4, 4:50 AM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Dickson, Houston, Montgomery, Robertson, Stewart | 55 min |
| May 4, 5:02 AM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Dickson, Hickman, Houston, Humphreys, Perry | 58 min |
| May 4, 5:39 AM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Dickson, Robertson, Sumner | 51 min |
| May 4, 5:43 AM CDT | Special Weather Statement | OHX | Lewis, Perry | 47 min |
| May 4, 5:56 AM CDT | Tornado Warning | OHX | Davidson, Robertson, Sumner | 34 min |
| May 4, 6:00 AM CDT | Special Weather Statement | OHX | Hickman | 30 min |
| May 4, 6:10 AM CDT | Tornado Warning | OHX | Robertson, Sumner | 22 min |
| May 4, 6:16 AM CDT | Severe Thunderstorm Warning | OHX | Davidson, Macon, Smith, Sumner, Trousdale, Wilson | 44 min |
| May 4, 6:21 AM CDT | Tornado Warning | OHX | Sumner, Trousdale, Wilson | 24 min |
| May 4, 6:23 AM CDT | Special Weather Statement | OHX | Maury, Williamson | 37 min |
| May 4, 6:28 AM CDT | Special Weather Statement | OHX | Giles, Lawrence | 47 min |
| May 4, 6:42 AM CDT | Tornado Warning | OHX | Macon, Smith, Sumner, Trousdale | 33 min |
| May 4, 6:52 AM CDT | Severe Thunderstorm Warning | OHX | Clay, DeKalb, Jackson, Macon, Putnam, Smith and 2 more | 38 min |
| May 4, 6:59 AM CDT | Special Weather Statement | OHX | Cannon, Rutherford | 31 min |
| May 4, 7:01 AM CDT | Special Weather Statement | OHX | Bedford, Giles, Marshall | 29 min |
| May 4, 7:11 AM CDT | Tornado Warning | OHX | Jackson, Smith | 34 min |
| May 4, 7:27 AM CDT | Tornado Warning | OHX | DeKalb, Putnam, Smith | 33 min |
| May 4, 7:35 AM CDT | Severe Thunderstorm Warning | OHX | Bedford, Cannon, Coffee, DeKalb, Rutherford, Warren | 40 min |
| May 4, 7:48 AM CDT | Tornado Warning | OHX | DeKalb, Putnam, White | 27 min |
| May 4, 7:53 AM CDT | Severe Thunderstorm Warning | OHX | Coffee, Cumberland, DeKalb, Grundy, Van Buren, Warren and 1 more | 37 min |
| May 4, 8:05 AM CDT | Severe Thunderstorm Warning | OHX | Cumberland, Fentress, Overton, Pickett, Putnam, White | 40 min |
| May 4, 8:07 AM CDT | Tornado Warning | OHX | Cumberland, White | 23 min |
| May 4, 8:24 AM CDT | Tornado Warning | OHX | Cumberland, White | 11 min |
| May 4, 8:29 AM CDT | Areal Flood Advisory | OHX | Clay, Fentress, Jackson, Overton, Pickett | 2 hr |
| May 4, 9:32 AM CDT | River Flood Warning | OHX | Perry | 21 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.