Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 10, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Mar 27, 2021, 7:58 AM EDT for Morgan County, Tennessee. It was in force for 47 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 27, 2021, 7:58 AM EDT (11:58 UTC)
- Expired
- Mar 27, 2021, 8:45 AM EDT
- In force
- 47 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 50.0 mph
County Morgan County, TN
The radar
The Knoxville radar (KMRX), 114 km from the middle of the area, began a volume at 12:02 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 27, 8:05 AM EDT | HAIL 1.5 | 2 Nw High Point, TN | PICTURE OF HAIL ON SOCIAL MEDIA. |
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, 12.0 hours before the alert went out and 173 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1974 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
159
WUUS54 KMRX 271158
SVRMRX
TNC129-271245-
/O.NEW.KMRX.SV.W.0010.210327T1158Z-210327T1245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Morristown TN
758 AM EDT Sat Mar 27 2021
The National Weather Service in Morristown has issued a
* Severe Thunderstorm Warning for...
Central Morgan County in east Tennessee...
* Until 845 AM EDT.
* At 758 AM EDT, a severe thunderstorm was located near Fairfield
Glade, or 11 miles northeast of Crossville, moving northeast at 50
mph.
HAZARD...Ping pong ball size hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect
damage to roofs, siding, windows, and vehicles.
* Locations impacted include...
Wartburg, Sunbright, High Point, Frozen Head State Park, Deerlodge
and Rugby State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3636 8469 3627 8461 3628 8459 3626 8457
3623 8457 3623 8455 3621 8448 3617 8445
3601 8473 3606 8479 3609 8480 3609 8483
3614 8487 3616 8491
TIME...MOT...LOC 1158Z 230DEG 43KT 3605 8488
HAIL...1.50IN
WIND...<50MPH
$$
Garuckas2 follow-up statements
294
WWUS54 KMRX 271214
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
814 AM EDT Sat Mar 27 2021
TNC129-271245-
/O.CON.KMRX.SV.W.0010.000000T0000Z-210327T1245Z/
Morgan TN-
814 AM EDT Sat Mar 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 AM EDT
FOR CENTRAL MORGAN COUNTY...
At 813 AM EDT, a severe thunderstorm was located 7 miles northwest of
Wartburg, moving northeast at 50 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Wartburg, Sunbright, Frozen Head State Park and Deerlodge.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3604 8470 3619 8484 3633 8466 3627 8461
3628 8459 3626 8457 3623 8457 3623 8455
3621 8448 3618 8446
TIME...MOT...LOC 1213Z 230DEG 43KT 3617 8470
HAIL...1.00IN
WIND...<50MPH
$$
Garuckas796
WWUS54 KMRX 271237
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
837 AM EDT Sat Mar 27 2021
TNC129-271246-
/O.EXP.KMRX.SV.W.0010.000000T0000Z-210327T1245Z/
Morgan TN-
837 AM EDT Sat Mar 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MORGAN COUNTY WILL
EXPIRE AT 845 AM EDT...
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 3604 8470 3619 8484 3633 8466 3627 8461
3628 8459 3626 8457 3623 8457 3623 8455
3621 8448 3618 8446
TIME...MOT...LOC 1236Z 230DEG 43KT 3634 8445
$$
GaruckasThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 5:03 AM EDT | Special Weather Statement | MRX | Marion, Sequatchie | 42 min |
| Mar 27, 5:23 AM EDT | Severe Thunderstorm Warning | MRX | Bledsoe, Hamilton, Marion, Sequatchie | 39 min |
| Mar 27, 5:47 AM EDT | Special Weather Statement | MRX | Hamilton | 43 min |
| Mar 27, 6:08 AM EDT | Severe Thunderstorm Warning | MRX | Bradley, Hamilton | 52 min |
| Mar 27, 6:41 AM EDT | Severe Thunderstorm Warning | MRX | Bradley, Polk | 49 min |
| Mar 27, 7:46 AM EDT | Special Weather Statement | MRX | Roane | 44 min |
| Mar 27, 8:27 AM EDT | Special Weather Statement | MRX | Scott | 48 min |
| Mar 27, 8:37 AM EDT | Special Weather Statement | MRX | Knox | 38 min |
| Mar 27, 8:42 AM EDT | Severe Thunderstorm Warning | MRX | Scott | 26 min |
| Mar 27, 8:58 AM EDT | Special Weather Statement | MRX | Knox, Loudon | 47 min |
| Mar 27, 9:18 AM EDT | Severe Thunderstorm Warning | MRX | Grainger, Knox, Union | 42 min |
| Mar 27, 9:39 AM EDT | Severe Thunderstorm Warning | MRX | Knox, Sevier | 30 min |
| Mar 27, 9:43 AM EDT | Severe Thunderstorm Warning | MRX | Claiborne, Grainger, Hancock, Hawkins | 47 min |
| Mar 27, 10:00 AM EDT | Severe Thunderstorm Warning | MRX | Cocke, Hamblen, Jefferson | 45 min |
| Mar 27, 10:06 AM EDT | Severe Thunderstorm Warning | MRX | Campbell, Scott | 54 min |
| Mar 27, 10:14 AM EDT | Special Weather Statement | MRX | Anderson, Campbell, Morgan, Scott | 46 min |
| Mar 27, 10:30 AM EDT | Special Weather Statement | MRX | Hawkins | 45 min |
| Mar 27, 10:33 AM EDT | Severe Thunderstorm Warning | MRX | Greene | 42 min |
| Mar 27, 10:33 AM EDT | Severe Thunderstorm Warning | MRX | Campbell, Claiborne | 42 min |
| Mar 27, 10:36 AM EDT | Flash Flood Warning | MRX | Morgan, Scott | 4 hr |
| Mar 27, 10:41 AM EDT | Severe Thunderstorm Warning | MRX | Hawkins | 49 min |
| Mar 27, 10:51 AM EDT | Special Weather Statement | MRX | Anderson, Morgan | 39 min |
| Mar 27, 11:00 AM EDT | Special Weather Statement | MRX | Claiborne | 45 min |
| Mar 27, 11:07 AM EDT | Severe Thunderstorm Warning | MRX | Sullivan | 38 min |
| Mar 27, 11:11 AM EDT | Severe Thunderstorm Warning | MRX | Unicoi, Washington | 35 min |
| Mar 27, 11:20 AM EDT | Special Weather Statement | MRX | Grainger, Hamblen, Union | 40 min |
| Mar 27, 11:30 AM EDT | Severe Thunderstorm Warning | MRX | Claiborne, Hancock | 22 min |
| Mar 27, 11:32 AM EDT | Severe Thunderstorm Warning | MRX | Carter, Johnson, Sullivan, Unicoi, Washington | 43 min |
| Mar 27, 11:45 AM EDT | Areal Flood Advisory | MRX | Hawkins, Sullivan | 3 hr |
| Mar 27, 11:46 AM EDT | Special Weather Statement | MRX | Hamblen, Jefferson | 44 min |
| Mar 27, 11:48 AM EDT | Areal Flood Advisory | MRX | Campbell, Claiborne | 3 hr |
| Mar 27, 11:50 AM EDT | Areal Flood Advisory | MRX | Carter, Greene, Washington | 3 hr |
| Mar 27, 11:56 AM EDT | Special Weather Statement | MRX | Monroe | 49 min |
| Mar 27, 12:07 PM EDT | Areal Flood Advisory | MRX | Anderson, Knox | 3 hr |
| Mar 27, 12:12 PM EDT | Areal Flood Advisory | MRX | Claiborne, Hancock | 3 hr |
| Mar 27, 12:17 PM EDT | Special Weather Statement | MRX | Johnson | 43 min |
| Mar 27, 12:23 PM EDT | Special Weather Statement | MRX | Hawkins | 52 min |
| Mar 27, 1:01 PM EDT | Severe Thunderstorm Warning | MRX | Carter, Johnson, Sullivan, Unicoi, Washington | 44 min |
| Mar 27, 3:13 PM EDT | Wind Advisory | MRX | Blount, Carter, Cocke, Greene, Johnson, Monroe and 2 more | 23 hr |
| Mar 27, 3:34 PM EDT | Special Weather Statement | MRX | Campbell, Morgan | 41 min |
| Mar 27, 5:05 PM EDT | Areal Flood Warning | MRX | Anderson, Campbell, Claiborne, Morgan, Scott, Union | 3 hr |
| Mar 27, 5:38 PM EDT | Areal Flood Warning | MRX | Claiborne, Grainger, Hancock, Hawkins, Union | 3 hr |
| Mar 27, 5:49 PM EDT | Special Weather Statement | MRX | Anderson, Morgan | 41 min |
| Mar 27, 6:13 PM EDT | Areal Flood Warning | MRX | Blount, Sevier | 3 hr |
| Mar 27, 6:59 PM EDT | Special Weather Statement | MRX | Morgan, Scott | 46 min |
| Mar 27, 7:02 PM EDT | Special Weather Statement | MRX | Marion, Sequatchie | 43 min |
| Mar 27, 7:15 PM EDT | Severe Thunderstorm Warning | MRX | Campbell, Scott | 45 min |
| Mar 27, 7:34 PM EDT | Special Weather Statement | MRX | Hancock | 41 min |
| Mar 27, 7:36 PM EDT | Special Weather Statement | MRX | Meigs | 39 min |
| Mar 27, 7:40 PM EDT | Special Weather Statement | MRX | Campbell, Scott | 50 min |
| Mar 27, 7:43 PM EDT | Severe Thunderstorm Warning | MRX | Marion | 47 min |
| Mar 27, 7:52 PM EDT | Special Weather Statement | MRX | Campbell | 53 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.