Alert archive / Tennessee / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 21, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Apr 19, 2015, 11:11 PM EDT for Carter County, Johnson County, Sullivan County, Tennessee; Russell County, Washington County, City of Bristol, Virginia. It was in force for 49 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
- Apr 19, 2015, 11:11 PM EDT (03:11 UTC)
- Expired
- Apr 20, 2015, 12:00 AM EDT
- In force
- 49 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Carter County, TN, Johnson County, TN, Sullivan County, TN, City of Bristol, VA, Russell County, VA, Washington County, VA
The radar
The Knoxville radar (KMRX), 141 km from the middle of the area, began a volume at 03:11 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 |
|---|---|---|---|
| Apr 19, 11:35 PM EDT | TSTM WND DMG | Damascus, VA | COUPLE TREES DOWN. |
| Apr 19, 11:35 PM EDT | TSTM WND DMG | Glade Spring, VA | TREE DOWN. |
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 00:00Z, 3.2 hours before the alert went out and 204 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
- 83 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 465 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 269 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
202
WUUS54 KMRX 200311
SVRMRX
TNC019-091-163-VAC167-191-520-200400-
/O.NEW.KMRX.SV.W.0021.150420T0311Z-150420T0400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
1111 PM EDT SUN APR 19 2015
THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN JOHNSON COUNTY IN EASTERN TENNESSEE...
NORTHEASTERN CARTER COUNTY IN EASTERN TENNESSEE...
CENTRAL SULLIVAN COUNTY IN EASTERN TENNESSEE...
WASHINGTON COUNTY IN SOUTHWESTERN VIRGINIA...
RUSSELL COUNTY IN SOUTHWESTERN VIRGINIA...
THE CITY OF BRISTOL IN SOUTHWESTERN VIRGINIA...
* UNTIL 1200 AM EDT
* AT 1110 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 8 MILES WEST OF CLEVELAND TO 9 MILES NORTHWEST OF
BRISTOL VA TO NEAR BRISTOL...MOVING NORTHEAST AT 55 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
* LOCATIONS IMPACTED INCLUDE...
ABINGDON...LEBANON...MOUNTAIN CITY...BRISTOL TN...BRISTOL VA...
BRISTOL...CLEVELAND...WALNUT HILL...BLUFF CITY...GLADE SPRING...
HONAKER...ST. PAUL...DAMASCUS...LINDELL...HANSONVILLE...LAUREL
BLOOMERY...HOLSTON...CASTLEWOOD...COLLINGWOOD AND ROSEDALE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3659 8168 3653 8171 3647 8170 3641 8174
3646 8235 3660 8234 3660 8230 3673 8234
3689 8235 3689 8234 3691 8230 3697 8232
3704 8217 3704 8208 3707 8202 3709 8187
3696 8178 3693 8184 3679 8170 3664 8161
TIME...MOT...LOC 0310Z 245DEG 46KT 3696 8231 3673 8224 3649 8223
HAIL...<.75IN
WIND...60MPH
$$
AMP.231 follow-up statement
422
WWUS54 KMRX 200333
SVSMRX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
1133 PM EDT SUN APR 19 2015
TNC019-200342-
/O.CAN.KMRX.SV.W.0021.000000T0000Z-150420T0400Z/
CARTER TN-
1133 PM EDT SUN APR 19 2015
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CARTER COUNTY IS
CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 3659 8168 3641 8174 3643 8199 3651 8199
3644 8212 3646 8235 3660 8234 3660 8230
3673 8234 3689 8235 3691 8230 3697 8232
3704 8217 3704 8208 3709 8187 3696 8178
3693 8184 3679 8170 3664 8162
TIME...MOT...LOC 0332Z 245DEG 47KT 3707 8201 3684 8192 3659 8184
$$
TNC091-163-VAC167-191-520-200400-
/O.CON.KMRX.SV.W.0021.000000T0000Z-150420T0400Z/
JOHNSON TN-SULLIVAN TN-WASHINGTON VA-RUSSELL VA-CITY OF BRISTOL VA-
1133 PM EDT SUN APR 19 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1200 AM EDT
FOR NORTHERN JOHNSON...CENTRAL SULLIVAN...WASHINGTON...RUSSELL
COUNTIES AND THE CITY OF BRISTOL...
AT 1132 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 11 MILES NORTHEAST OF CLEVELAND TO 9 MILES NORTH OF
ABINGDON TO 8 MILES NORTH OF MOUNTAIN CITY...MOVING NORTHEAST AT 55
MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
LOCATIONS IMPACTED INCLUDE...
ABINGDON...LEBANON...MOUNTAIN CITY...BRISTOL TN...BRISTOL VA...
BRISTOL...CLEVELAND...WALNUT HILL...BLUFF CITY...GLADE SPRING...
HONAKER...ST. PAUL...DAMASCUS...LINDELL...HANSONVILLE...LAUREL
BLOOMERY...HOLSTON...CASTLEWOOD...COLLINGWOOD AND ROSEDALE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3659 8168 3641 8174 3643 8199 3651 8199
3644 8212 3646 8235 3660 8234 3660 8230
3673 8234 3689 8235 3691 8230 3697 8232
3704 8217 3704 8208 3709 8187 3696 8178
3693 8184 3679 8170 3664 8162
TIME...MOT...LOC 0332Z 245DEG 47KT 3707 8201 3684 8192 3659 8184
HAIL...<.75IN
WIND...60MPH
$$
17The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 8:00 PM EDT | Special Weather Statement | MRX | Bradley, McMinn, Meigs, Polk, Rhea, Roane | 45 min |
| Apr 19, 8:23 PM EDT | Severe Thunderstorm Warning | MRX | Loudon, McMinn, Monroe | 37 min |
| Apr 19, 8:29 PM EDT | Special Weather Statement | MRX | Anderson, Knox, Loudon, Roane | 46 min |
| Apr 19, 8:50 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Blount, Knox, Sevier | 25 min |
| Apr 19, 9:03 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Claiborne, Knox, Union | 27 min |
| Apr 19, 9:15 PM EDT | Severe Thunderstorm Warning | MRX | Cocke, Grainger, Hamblen, Jefferson, Knox, Sevier and 1 more | 30 min |
| Apr 19, 9:29 PM EDT | Severe Thunderstorm Warning | MRX | Claiborne, Grainger, Hamblen, Hancock, Hawkins, Union | 31 min |
| Apr 19, 9:41 PM EDT | Severe Thunderstorm Warning | MRX | Cocke, Grainger, Greene, Hamblen, Hawkins, Jefferson and 1 more | 34 min |
| Apr 19, 9:56 PM EDT | Severe Thunderstorm Warning | MRX | Greene, Hamblen, Hancock, Hawkins | 34 min |
| Apr 19, 10:11 PM EDT | Special Weather Statement | MRX | Greene, Unicoi | 49 min |
| Apr 19, 10:21 PM EDT | Severe Thunderstorm Warning | MRX | Greene, Hancock, Hawkins, Sullivan, Unicoi, Washington | 24 min |
| Apr 19, 10:44 PM EDT | Special Weather Statement | MRX | Carter, Johnson, Sullivan, Unicoi, Washington | 46 min |
| Apr 20, 3:44 AM EDT | Severe Thunderstorm Warning | MRX | Bledsoe, Hamilton, Marion, Sequatchie | 46 min |
| Apr 20, 4:29 AM EDT | Special Weather Statement | MRX | Bledsoe, Bradley, Hamilton, Meigs, Rhea | 46 min |
| Apr 20, 5:08 AM EDT | Special Weather Statement | MRX | Anderson, Knox, Roane | 67 min |
| Apr 20, 5:11 AM EDT | Special Weather Statement | MRX | Campbell | 49 min |
| Apr 20, 5:15 AM EDT | Special Weather Statement | MRX | Bradley, McMinn, Meigs, Monroe, Polk | 45 min |
| Apr 20, 5:50 AM EDT | Special Weather Statement | MRX | Blount, Monroe, Sevier | 40 min |
| Apr 20, 5:58 AM EDT | Special Weather Statement | MRX | Grainger, Hamblen | 47 min |
| Apr 20, 7:22 AM EDT | River Flood Warning | MRX | Cocke | 9 hr |
| Apr 19, 10:00 PM EDT | Special Weather Statement | MRX | Lee, Wise, City of Norton | 45 min |
| Apr 19, 10:30 PM EDT | Severe Thunderstorm Warning | MRX | Lee, Russell, Scott, Washington, Wise, City of Bristol and 1 more | 45 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2015Severe Thunderstorm Warnings in Virginia, 2015Every severe thunderstorm warning in 2015
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.