Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 118, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Jul 31, 2021, 8:24 PM CDT for Davidson County, Williamson County, Tennessee. It was in force for 36 min. 3 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
- Jul 31, 2021, 8:24 PM CDT (01:24 UTC)
- Expired
- Jul 31, 2021, 9:00 PM CDT
- In force
- 36 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Davidson County, TN, Williamson County, TN
The radar
The Nashville radar (KOHX), 28 km from the middle of the area, began a volume at 01:25 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 |
|---|---|---|---|
| Jul 31, 8:30 PM CDT | TSTM WND DMG | 4 Nw Belle Meade, TN | SEVERAL TREES DOWN IN BELLS BEND AT 3964-4001 OLD HICKORY BLVD |
| Jul 31, 8:42 PM CDT | TSTM WND DMG | Oak Hill, TN | TREES UPROOTED AND SOME SMALL HAIL. TREES ON A HOUSE AND THE ROAD. |
| Jul 31, 8:44 PM CDT | TSTM WND DMG | 1 Nnw Oak Hill, TN | DELAYED REPORT...TSPOTTER REPORT OF MULTIPLE MATURE TREES DOWN ON LEALAND LANE BETWEEN BATTERY AND STONEWALL FROM FIRST ROUND OF STORMS. |
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, 1.4 hours before the alert went out and 24 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
- 1106 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1447 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 251 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 5.3
The text
As transmitted.
821
WUUS54 KOHX 010124
SVROHX
TNC037-187-010200-
/O.NEW.KOHX.SV.W.0118.210801T0124Z-210801T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
824 PM CDT Sat Jul 31 2021
The National Weather Service in Nashville has issued a
* Severe Thunderstorm Warning for...
Southern Davidson County in Middle Tennessee...
Northeastern Williamson County in Middle Tennessee...
* Until 900 PM CDT.
* At 822 PM CDT, a severe thunderstorm was located 7 miles southeast
of Ashland City, moving southeast at 25 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...
Nashville, Brentwood, Nolensville, Forest Hills, Oak Hill, Belle
Meade, Antioch, Berry Hill, Beaman Park, Bells Bend and Percy
Priest Lake.
This second severe storm will affect those in downtown Nashville and
attending Nissan Stadium, If you are in these areas you are in the
path of this storm and should prepare for IMMINENT DANGEROUS WEATHER
CONDITIONS. SEEK SHELTER NOW!
This includes the following highways...
Interstate 40 between mile markers 198 and 218.
Interstate 65 between mile markers 71 and 88.
Interstate 24 between mile markers 47 and 62.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
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 3629 8694 3611 8654 3592 8670 3613 8700
3623 8698 3627 8696
TIME...MOT...LOC 0122Z 301DEG 23KT 3619 8694
HAIL...1.00IN
WIND...60MPH
$$
Shamburger1 follow-up statement
035
WWUS54 KOHX 010143
SVSOHX
Severe Weather Statement
National Weather Service Nashville TN
843 PM CDT Sat Jul 31 2021
TNC037-187-010200-
/O.CON.KOHX.SV.W.0118.000000T0000Z-210801T0200Z/
Davidson TN-Williamson TN-
843 PM CDT Sat Jul 31 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTHERN DAVIDSON AND NORTHEASTERN WILLIAMSON COUNTIES...
At 841 PM CDT, a severe thunderstorm was located over Belle Meade,
moving southeast at 25 mph.
HAZARD...60 mph wind gusts and dime size hail.
SOURCE...Public. The public reported dime size hail on White Bridge
Road with this storm.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Nashville, Brentwood, Nolensville, Forest Hills, Oak Hill, Belle
Meade, Antioch, Bellevue, Berry Hill and Percy Priest Lake.
This includes the following highways...
Interstate 40 between mile markers 198 and 218.
Interstate 65 between mile markers 71 and 88.
Interstate 24 between mile markers 47 and 62.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3611 8654 3592 8670 3610 8696 3624 8682
TIME...MOT...LOC 0141Z 306DEG 23KT 3610 8684
HAIL...0.75IN
WIND...60MPH
$$
ShamburgerThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 7:03 PM CDT | Severe Thunderstorm Warning | OHX | Robertson | 27 min |
| Jul 31, 7:07 PM CDT | Special Weather Statement | OHX | Robertson | 23 min |
| Jul 31, 7:27 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Dickson, Montgomery | 20 min |
| Jul 31, 7:31 PM CDT | Special Weather Statement | OHX | Davidson, Robertson | 44 min |
| Jul 31, 7:41 PM CDT | Special Weather Statement | OHX | Robertson | 34 min |
| Jul 31, 7:51 PM CDT | Special Weather Statement | OHX | Cheatham, Davidson | 39 min |
| Jul 31, 7:58 PM CDT | Severe Thunderstorm Warning | OHX | Davidson, Wilson | 47 min |
| Jul 31, 8:05 PM CDT | Special Weather Statement | OHX | Sumner, Trousdale | 40 min |
| Jul 31, 8:47 PM CDT | Areal Flood Advisory | OHX | Robertson | 4 hr |
| Jul 31, 8:57 PM CDT | Severe Thunderstorm Warning | OHX | Davidson, Rutherford, Williamson | 33 min |
| Jul 31, 9:10 PM CDT | Severe Thunderstorm Warning | OHX | Houston, Montgomery, Stewart | 50 min |
| Jul 31, 9:16 PM CDT | Special Weather Statement | OHX | Davidson | 59 min |
| Jul 31, 9:48 PM CDT | Special Weather Statement | OHX | Cheatham, Dickson | 27 min |
| Jul 31, 9:53 PM CDT | Areal Flood Advisory | OHX | Cheatham, Davidson, Robertson, Sumner | 3 hr |
| Jul 31, 9:57 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Dickson, Hickman, Montgomery, Williamson | 33 min |
| Jul 31, 10:19 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Marshall, Maury, Williamson | 41 min |
| Jul 31, 10:24 PM CDT | Flash Flood Warning | OHX | Cheatham, Davidson, Williamson | 4 hr |
| Jul 31, 10:52 PM CDT | Severe Thunderstorm Warning | OHX | Bedford, Marshall, Maury, Rutherford, Williamson | 38 min |
| Jul 31, 10:55 PM CDT | Areal Flood Advisory | OHX | Davidson, Rutherford, Wilson | 16 min |
| Jul 31, 11:10 PM CDT | Flash Flood Warning | OHX | Davidson, Rutherford, Wilson | 3 hr |
| Jul 31, 11:24 PM CDT | Severe Thunderstorm Warning | OHX | Lewis, Perry, Wayne | 36 min |
| Jul 31, 11:26 PM CDT | Severe Thunderstorm Warning | OHX | Bedford, Cannon, Coffee, Marshall, Rutherford, Warren | 34 min |
| Jul 31, 11:36 PM CDT | River Flood Warning | OHX | Davidson | 3 hr |
| Jul 31, 11:41 PM CDT | River Flood Advisory | OHX | Davidson | 3 hr |
| Jul 31, 11:55 PM CDT | Severe Thunderstorm Warning | OHX | Bedford, Cannon, Coffee, Grundy, Rutherford, Van Buren and 1 more | 53 min |
| Aug 1, 2:40 AM CDT | Special Weather Statement | OHX | Wayne | 50 min |
| Aug 1, 3:43 AM CDT | Special Weather Statement | OHX | Wayne | 47 min |
| Aug 1, 4:29 AM CDT | Special Weather Statement | OHX | Lawrence, Wayne | 46 min |
| Aug 1, 6:47 AM CDT | Special Weather Statement | OHX | Giles, Lawrence | 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.