Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 114, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Jul 30, 2021, 5:08 AM CDT for 4 counties in Tennessee. It was in force for 37 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
- Jul 30, 2021, 5:08 AM CDT (10:08 UTC)
- Expired
- Jul 30, 2021, 5:45 AM CDT
- In force
- 37 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Fentress County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN
The radar
The Nashville radar (KOHX), 130 km from the middle of the area, began a volume at 10:09 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 00:00Z, 10.1 hours before the alert went out and 134 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
- 1874 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1447 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
007
WUUS54 KOHX 301008
SVROHX
TNC049-133-137-141-301045-
/O.NEW.KOHX.SV.W.0114.210730T1008Z-210730T1045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
508 AM CDT Fri Jul 30 2021
The National Weather Service in Nashville has issued a
* Severe Thunderstorm Warning for...
Overton County in Middle Tennessee...
Southwestern Pickett County in Middle Tennessee...
Southeastern Putnam County in Middle Tennessee...
Fentress County in Middle Tennessee...
* Until 545 AM CDT.
* At 508 AM CDT, a severe thunderstorm was located 7 miles east of
Livingston, moving southeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Livingston, Jamestown, Monterey, Allardt, Grimsley, Clarkrange,
Crawford and Rickman.
This includes Interstate 40 between mile markers 295 and 304.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3630 8480 3628 8488 3621 8491 3616 8491
3615 8500 3617 8503 3614 8507 3613 8513
3610 8515 3610 8524 3600 8526 3598 8529
3599 8531 3603 8531 3605 8536 3650 8542
3649 8539 3651 8537 3657 8501 3633 8478
TIME...MOT...LOC 1008Z 335DEG 38KT 3638 8519
HAIL...<.75IN
WIND...60MPH
$$
Barnwell1 follow-up statement
533
WWUS54 KOHX 301034
SVSOHX
Severe Weather Statement
National Weather Service Nashville TN
534 AM CDT Fri Jul 30 2021
TNC137-301043-
/O.CAN.KOHX.SV.W.0114.000000T0000Z-210730T1045Z/
Pickett TN-
534 AM CDT Fri Jul 30 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN PICKETT COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3630 8480 3628 8488 3616 8491 3615 8500
3617 8503 3613 8513 3610 8515 3610 8524
3600 8526 3599 8531 3603 8531 3605 8536
3639 8540 3643 8514 3641 8513 3641 8511
3644 8510 3647 8491 3633 8478
TIME...MOT...LOC 1033Z 335DEG 38KT 3613 8505
$$
TNC049-133-141-301045-
/O.CON.KOHX.SV.W.0114.000000T0000Z-210730T1045Z/
Overton TN-Putnam TN-Fentress TN-
534 AM CDT Fri Jul 30 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 AM CDT
FOR SOUTHEASTERN OVERTON...SOUTHEASTERN PUTNAM AND SOUTHWESTERN
FENTRESS COUNTIES...
At 533 AM CDT, a severe thunderstorm was located 11 miles east of
Monterey, or 12 miles north of Crossville, moving southeast at 45
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Livingston, Jamestown, Monterey, Allardt, Grimsley, Clarkrange,
Crawford and Rickman.
This includes Interstate 40 between mile markers 295 and 304.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3630 8480 3628 8488 3616 8491 3615 8500
3617 8503 3613 8513 3610 8515 3610 8524
3600 8526 3599 8531 3603 8531 3605 8536
3639 8540 3643 8514 3641 8513 3641 8511
3644 8510 3647 8491 3633 8478
TIME...MOT...LOC 1033Z 335DEG 38KT 3613 8505
HAIL...<.75IN
WIND...60MPH
$$
BarnwellThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 4:33 AM CDT | Special Weather Statement | OHX | Fentress, Overton, Pickett | 57 min |
| Jul 30, 5:18 AM CDT | Areal Flood Advisory | OHX | Fentress, Overton, Pickett | 117 min |
| Jul 30, 5:44 AM CDT | Special Weather Statement | OHX | Cumberland | 46 min |
| Jul 30, 2:06 PM CDT | Heat Advisory | OHX | Giles, Hickman, Lawrence, Lewis, Maury, Perry and 1 more | 28 hr |
| Jul 30, 3:30 PM CDT | Special Weather Statement | OHX | Lewis | 30 min |
| Jul 30, 3:37 PM CDT | Special Weather Statement | OHX | Lewis | 38 min |
| Jul 30, 4:08 PM CDT | Special Weather Statement | OHX | Lewis | 52 min |
| Jul 30, 4:29 PM CDT | Special Weather Statement | OHX | Lawrence | 31 min |
| Jul 30, 4:55 PM CDT | Special Weather Statement | OHX | Giles | 65 min |
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.