Alert archive / Tennessee / Tornado Warnings in 2012
Tornado Warning 8, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at Feb 29, 2012, 11:50 PM EST for Hawkins County, Sullivan County, Tennessee; Scott County, Virginia. It was in force for 25 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
- Feb 29, 2012, 11:50 PM EST (04:50 UTC)
- Expired
- Mar 1, 2012, 12:15 AM EST
- In force
- 25 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
Counties Hawkins County, TN, Sullivan County, TN, Scott County, VA
The radar
The Knoxville radar (KMRX), 88 km from the middle of the area, began a volume at 04:49 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 1, 12:00 AM EST | TSTM WND DMG | 1 W Gate City, VA | TREES AND POWER LINES DOWN. |
| Mar 1, 12:05 AM EST | TSTM WND DMG | 1 W Gate City, VA | POSSIBLE TORNADO DAMAGE IN GATE CITY. A FEW TREES AND POWER LINES DOWN. A SMALL STORAGE SHED WAS BLOWN INTO THE ROAD AT BENTON DR AND STARNES ST. A PORCH COLLAPSED THAT WAS ATTACHED TO THE BACK OF A MOBILE HOME ON DANIEL BOONE RD. |
| Mar 1, 12:05 AM EST | TSTM WND DMG | Gate City, VA | POSSIBLE TORNADO DAMAGE IN GATE CITY. A FEW TREES AND POWER LINES DOWN. A SMALL STORAGE SHED WAS DESTROYED AND A MOBILE HOME ROOF WAS BLOWN OFF. |
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, 4.8 hours before the alert went out and 254 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
- 62 J/kg
- Mixed-layer CIN
- -165 J/kg
- Mixed-layer LCL
- 686 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 271 m²/s²
- 0-3 km storm-relative helicity
- 241 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
345 WFUS54 KMRX 010450 TORMRX TNC073-163-VAC169-010530- /O.NEW.KMRX.TO.W.0008.120301T0450Z-120301T0530Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MORRISTOWN TN 1150 PM EST WED FEB 29 2012 THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A * TORNADO WARNING FOR... EXTREME EASTERN HAWKINS COUNTY IN EAST TENNESSEE... WESTERN SULLIVAN COUNTY IN EAST TENNESSEE... SCOTT COUNTY IN SOUTHWEST VIRGINIA... * UNTIL 1230 AM EST * AT 1145 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES SOUTHEAST OF PENNINGTON GAP...OR 14 MILES EAST OF JONESVILLE. DOPPLER RADAR SHOWED THIS TORNADO MOVING EAST AT 40 MPH. * LOCATIONS IN THE WARNING INCLUDE... GATE CITY...KINGSPORT...WEBER CITY...OKOLONA...CLINCHPORT AND MOUNT CARMEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 3674 8247 3647 8254 3665 8292 3676 8279 TIME...MOT...LOC 0450Z 278DEG 35KT 3668 8280 $$ DGS
2 follow-up statements
512 WWUS54 KMRX 010502 SVSMRX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 1202 AM EST THU MAR 1 2012 TNC073-163-VAC169-010530- /O.CON.KMRX.TO.W.0008.000000T0000Z-120301T0530Z/ SULLIVAN TN-HAWKINS TN-SCOTT VA- 1202 AM EST THU MAR 1 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM EST FOR SCOTT... EXTREME EASTERN HAWKINS AND WESTERN SULLIVAN COUNTIES... AT 1159 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR CLINCHPORT...OR NEAR GATE CITY...MOVING EAST AT 45 MPH. LOCATIONS IN THE WARNING INCLUDE... GATE CITY...KINGSPORT AND WEBER CITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE. && LAT...LON 3674 8247 3647 8254 3665 8292 3676 8279 TIME...MOT...LOC 0502Z 281DEG 37KT 3664 8264 $$ DGS
416 WWUS54 KMRX 010515 SVSMRX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 1215 AM EST THU MAR 1 2012 TNC073-163-VAC169-010525- /O.CAN.KMRX.TO.W.0008.000000T0000Z-120301T0530Z/ SULLIVAN TN-HAWKINS TN-SCOTT VA- 1215 AM EST THU MAR 1 2012 ...THE TORNADO WARNING FOR SCOTT...EXTREME EASTERN HAWKINS AND WESTERN SULLIVAN COUNTIES IS CANCELLED... THE STORMS THAT PROMPTED THE WARNING HAVE EXITED THE WARNED AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED. THE TORNADO WARNING FOR SOUTHEASTERN SCOTT COUNTY...SOUTHWESTERN WASHINGTON COUNTY...SULLIVAN COUNTY...AND CITY OF BRISTOL REMAINS IN EFFECT. LAT...LON 3674 8247 3647 8254 3665 8292 3676 8279 TIME...MOT...LOC 0515Z 281DEG 37KT 3661 8248 $$ DGSD
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 29, 7:20 PM EST | Tornado Warning | MRX | Blount, Loudon, Monroe, Sevier | 40 min |
| Feb 29, 7:58 PM EST | Severe Thunderstorm Warning | MRX | Blount, Cocke, Sevier | 17 min |
| Feb 29, 10:46 PM EST | Severe Thunderstorm Warning | MRX | Campbell, Scott | 29 min |
| Feb 29, 11:02 PM EST | Tornado Warning | MRX | Campbell, Claiborne, Scott, Union | 43 min |
| Feb 29, 11:39 PM EST | Severe Thunderstorm Warning | MRX | Hawkins | 36 min |
| Mar 1, 12:12 AM EST | Tornado Warning | MRX | Sullivan | 33 min |
| Mar 1, 1:16 AM EST | Areal Flood Advisory | MRX | Sullivan | 119 min |
| Mar 1, 2:44 AM EST | Severe Thunderstorm Warning | MRX | Cocke, Sevier | 31 min |
| Feb 29, 7:08 PM EST | Severe Thunderstorm Warning | MRX | Russell | 30 min |
Nearby
Tornado Warnings in Tennessee, 2012Tornado Warnings in Virginia, 2012Every tornado warning in 2012Tornadoes in 2012
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.