Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 117, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Jul 31, 2021, 7:58 PM CDT for Davidson County, Wilson County, Tennessee. It was in force for 47 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, 7:58 PM CDT (00:58 UTC)
- Expired
- Jul 31, 2021, 8:45 PM CDT
- In force
- 47 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Davidson County, TN, Wilson County, TN
The radar
The Nashville radar (KOHX), 22 km from the middle of the area, began a volume at 01:01 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, 1.0 hours before the alert went out and 18 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.
749 WUUS54 KOHX 010058 SVROHX TNC037-189-010145- /O.NEW.KOHX.SV.W.0117.210801T0058Z-210801T0145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Nashville TN 758 PM CDT Sat Jul 31 2021 The National Weather Service in Nashville has issued a * Severe Thunderstorm Warning for... Davidson County in Middle Tennessee... West central Wilson County in Middle Tennessee... * Until 845 PM CDT. * At 757 PM CDT, a severe thunderstorm was located near Joelton, or 7 miles northwest of Nashville, moving southeast at 25 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Nashville, Madison, Mount Juliet, Oak Hill, Belle Meade, Lakewood, Hermitage, Antioch, Old Hickory, Joelton, Rural Hill, Berry Hill, Bells Bend, Whites Creek, Beaman Park, Percy Priest Lake and Green Hill. Those in downtown Nashville and attending Nissan Stadium 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 202 and 227. Interstate 65 between mile markers 77 and 93. Interstate 24 between mile markers 34 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 3619 8698 3635 8689 3619 8647 3599 8664 TIME...MOT...LOC 0057Z 298DEG 23KT 3624 8687 HAIL...0.75IN WIND...60MPH $$ Shamburger
2 follow-up statements
263 WWUS54 KOHX 010112 SVSOHX Severe Weather Statement National Weather Service Nashville TN 812 PM CDT Sat Jul 31 2021 TNC037-189-010145- /O.CON.KOHX.SV.W.0117.000000T0000Z-210801T0145Z/ Davidson TN-Wilson TN- 812 PM CDT Sat Jul 31 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR CENTRAL DAVIDSON AND WEST CENTRAL WILSON COUNTIES... At 811 PM CDT, a severe thunderstorm was located over Bordeaux, or just northwest of downtown Nashville, moving southeast at 25 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Nashville, Mount Juliet, Oak Hill, Belle Meade, Hermitage, Antioch, Rural Hill, Berry Hill, Bells Bend, Percy Priest Lake and Whites Creek. Those in downtown Nashville and attending Nissan Stadium are in the path of this storm and should prepare for IMMINENT DANGEROUS WEATHER CONDITIONS. SEEK SHELTER NOW! This includes the following highways... Interstate 40 between mile markers 202 and 226. Interstate 65 between mile markers 77 and 91. Interstate 24 between mile markers 41 and 62. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 3629 8684 3617 8649 3599 8664 3617 8695 TIME...MOT...LOC 0111Z 301DEG 22KT 3618 8680 HAIL...0.75IN WIND...60MPH $$ Shamburger
638 WWUS54 KOHX 010127 SVSOHX Severe Weather Statement National Weather Service Nashville TN 827 PM CDT Sat Jul 31 2021 TNC037-189-010145- /O.CON.KOHX.SV.W.0117.000000T0000Z-210801T0145Z/ Davidson TN-Wilson TN- 827 PM CDT Sat Jul 31 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR SOUTHEASTERN DAVIDSON AND WEST CENTRAL WILSON COUNTIES... At 826 PM CDT, a severe thunderstorm was located near Nashville, moving southeast at 25 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Nashville, Mount Juliet, Oak Hill, Belle Meade, Hermitage, Antioch, Rural Hill, Berry Hill and Percy Priest Lake. Those in downtown Nashville and attending Nissan Stadium 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 206 and 226. Interstate 65 between mile markers 77 and 88, and between mile markers 90 and 91. 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 3617 8649 3599 8664 3612 8687 3626 8674 TIME...MOT...LOC 0126Z 299DEG 20KT 3613 8672 HAIL...0.75IN WIND...60MPH $$ Shamburger
The 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, 8:05 PM CDT | Special Weather Statement | OHX | Sumner, Trousdale | 40 min |
| Jul 31, 8:24 PM CDT | Severe Thunderstorm Warning | OHX | Davidson, Williamson | 36 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.