Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 15, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Mar 27, 2021, 10:00 AM EDT for Cocke County, Hamblen County, Jefferson County, Tennessee. It was in force for 45 min. 2 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
- Mar 27, 2021, 10:00 AM EDT (14:00 UTC)
- Expired
- Mar 27, 2021, 10:45 AM EDT
- In force
- 45 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Cocke County, TN, Hamblen County, TN, Jefferson County, TN
The radar
The Knoxville radar (KMRX), 19 km from the middle of the area, began a volume at 14:00 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, 10:05 AM EDT | HAIL 1 | 3 Wnw Dandridge, TN | |
| Mar 27, 10:20 AM EDT | HAIL 1.5 | White Pine, TN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 2.0 hours before the alert went out and 297 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
- 2434 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 145 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
499
WUUS54 KMRX 271400
SVRMRX
TNC029-063-089-271445-
/O.NEW.KMRX.SV.W.0015.210327T1400Z-210327T1445Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Morristown TN
1000 AM EDT Sat Mar 27 2021
The National Weather Service in Morristown has issued a
* Severe Thunderstorm Warning for...
Jefferson County in east Tennessee...
Northwestern Cocke County in east Tennessee...
Southern Hamblen County in east Tennessee...
* Until 1045 AM EDT.
* At 1000 AM EDT, a severe thunderstorm was located 7 miles west of
Dandridge, moving northeast at 45 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Morristown, Jefferson City, Dandridge, White Pine, Baneberry,
Parrottsville, Bybee, Piedmont and Lowland.
This includes the following highways...
Interstate 40 in Tennessee between mile markers 410 and 430.
Interstate 81 in Tennessee between mile markers 1 and 17.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3624 8308 3619 8314 3618 8317 3616 8317
3612 8313 3612 8312 3611 8312 3612 8310
3609 8307 3609 8306 3603 8299 3593 8349
3594 8350 3597 8352 3602 8362 3629 8313
3629 8312
TIME...MOT...LOC 1400Z 247DEG 40KT 3599 8355
HAIL...1.00IN
WIND...<50MPH
$$
Garuckas1 follow-up statement
976
WWUS54 KMRX 271420
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
1020 AM EDT Sat Mar 27 2021
TNC029-063-089-271445-
/O.CON.KMRX.SV.W.0015.000000T0000Z-210327T1445Z/
Jefferson TN-Cocke TN-Hamblen TN-
1020 AM EDT Sat Mar 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 AM EDT
FOR NORTHEASTERN JEFFERSON...NORTHWESTERN COCKE AND SOUTHEASTERN
HAMBLEN COUNTIES...
At 1019 AM EDT, a severe thunderstorm was located over Baneberry, or
7 miles east of Dandridge, moving east at 45 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Morristown, Dandridge, White Pine, Baneberry, Parrottsville, Bybee
and Lowland.
This includes the following highways...
Interstate 40 in Tennessee between mile markers 420 and 429.
Interstate 81 in Tennessee between mile markers 1 and 17.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3598 8337 3610 8343 3626 8310 3624 8308
3619 8314 3618 8317 3616 8317 3612 8313
3612 8312 3611 8312 3612 8310 3609 8307
3609 8306 3603 8299
TIME...MOT...LOC 1419Z 248DEG 40KT 3605 8330
HAIL...1.00IN
WIND...<50MPH
$$
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, 7:58 AM EDT | Severe Thunderstorm Warning | MRX | Morgan | 47 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, 10:06 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.