Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 13, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Mar 16, 2021, 2:20 AM CDT for Lawrence County, Wayne County, Tennessee. It was in force for 40 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
- Mar 16, 2021, 2:20 AM CDT (07:20 UTC)
- Expired
- Mar 16, 2021, 3:00 AM CDT
- In force
- 40 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Lawrence County, TN, Wayne County, TN
The radar
The Northeast Alabama radar (KHTX), 141 km from the middle of the area, began a volume at 07:23 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 |
|---|---|---|---|
| Mar 16, 2:40 AM CDT | HAIL 1 | 1 S St. Joseph, TN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 7.3 hours before the alert went out and 148 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
- 66 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 679 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
859
WUUS54 KOHX 160720
SVROHX
TNC099-181-160800-
/O.NEW.KOHX.SV.W.0013.210316T0720Z-210316T0800Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
220 AM CDT Tue Mar 16 2021
The National Weather Service in Nashville has issued a
* Severe Thunderstorm Warning for...
Southeastern Wayne County in Middle Tennessee...
Southern Lawrence County in Middle Tennessee...
* Until 300 AM CDT.
* At 219 AM CDT, a severe thunderstorm was located 8 miles north of
Underwood-Petersville, or 12 miles north of Florence, moving east
at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Lawrenceburg, Loretto, St. Joseph, Leoma, Westpoint, Iron City and
Cypress Inn.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3501 8784 3510 8786 3531 8731 3500 8726
TIME...MOT...LOC 0719Z 259DEG 34KT 3500 8774
HAIL...1.00IN
WIND...60MPH
$$
Whitehead2 follow-up statements
543
WWUS54 KOHX 160738
SVSOHX
Severe Weather Statement
National Weather Service Nashville TN
238 AM CDT Tue Mar 16 2021
TNC181-160747-
/O.CAN.KOHX.SV.W.0013.000000T0000Z-210316T0800Z/
Wayne TN-
238 AM CDT Tue Mar 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WAYNE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3501 8761 3503 8761 3504 8758 3505 8758
3506 8759 3514 8759 3515 8758 3516 8758
3522 8730 3500 8726
TIME...MOT...LOC 0737Z 257DEG 41KT 3503 8752
$$
TNC099-160800-
/O.CON.KOHX.SV.W.0013.000000T0000Z-210316T0800Z/
Lawrence TN-
238 AM CDT Tue Mar 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM CDT
FOR SOUTHERN LAWRENCE COUNTY...
At 237 AM CDT, a severe thunderstorm was located near Loretto, or 16
miles northeast of Florence, moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Lawrenceburg, Loretto, St. Joseph, Leoma, Westpoint and Iron City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3501 8761 3503 8761 3504 8758 3505 8758
3506 8759 3514 8759 3515 8758 3516 8758
3522 8730 3500 8726
TIME...MOT...LOC 0737Z 257DEG 41KT 3503 8752
HAIL...1.00IN
WIND...60MPH
$$
Whitehead351
WWUS54 KOHX 160756
SVSOHX
Severe Weather Statement
National Weather Service Nashville TN
256 AM CDT Tue Mar 16 2021
TNC099-160805-
/O.EXP.KOHX.SV.W.0013.000000T0000Z-210316T0800Z/
Lawrence TN-
256 AM CDT Tue Mar 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN LAWRENCE COUNTY WILL
EXPIRE AT 300 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
LAT...LON 3501 8761 3503 8761 3504 8758 3505 8758
3506 8759 3514 8759 3515 8758 3516 8758
3522 8730 3500 8726
TIME...MOT...LOC 0755Z 259DEG 34KT 3506 8734
$$
WhiteheadThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 1:47 AM CDT | Special Weather Statement | OHX | Wayne | 43 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.