Alert archive / Virginia / Tornado Warnings in 2012
Tornado Warning 9, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at Mar 1, 2012, 12:12 AM EST for Scott County, Washington County, City of Bristol, Virginia; Sullivan County, Tennessee. It was in force for 33 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 1, 2012, 12:12 AM EST (05:12 UTC)
- Expired
- Mar 1, 2012, 12:45 AM EST
- In force
- 33 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
Counties Sullivan County, TN, City of Bristol, VA, Scott County, VA, Washington County, VA
The radar
The Knoxville radar (KMRX), 111 km from the middle of the area, began a volume at 05:12 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, 12:35 AM EST | TSTM WND DMG | Gate City, VA | SEVERAL TREES 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, 5.2 hours before the alert went out and 223 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.
736 WFUS54 KMRX 010512 TORMRX TNC163-VAC169-191-520-010545- /O.NEW.KMRX.TO.W.0009.120301T0512Z-120301T0545Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MORRISTOWN TN 1212 AM EST THU MAR 1 2012 THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A * TORNADO WARNING FOR... SULLIVAN COUNTY IN EAST TENNESSEE... SCOTT COUNTY IN SOUTHWEST VIRGINIA... WASHINGTON COUNTY IN SOUTHWEST VIRGINIA... CITY OF BRISTOL IN SOUTHWEST VIRGINIA... * UNTIL 1245 AM EST * AT 1208 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR WEBER CITY...OR NEAR GATE CITY. DOPPLER RADAR SHOWED THIS TORNADO MOVING EAST AT 45 MPH. * LOCATIONS IN THE WARNING INCLUDE... BRISTOL TN...BRISTOL VA...HILTONS...BLOUNTVILLE AND BENHAMS. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 3668 8210 3647 8215 3660 8260 3672 8255 TIME...MOT...LOC 0512Z 279DEG 38KT 3663 8250 $$ DGS
3 follow-up statements
852 WWUS54 KMRX 010524 SVSMRX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 1224 AM EST THU MAR 1 2012 TNC163-VAC169-191-520-010545- /O.CON.KMRX.TO.W.0009.000000T0000Z-120301T0545Z/ SULLIVAN TN-SCOTT VA-WASHINGTON VA-CITY OF BRISTOL VA- 1224 AM EST THU MAR 1 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 AM EST FOR CITY OF BRISTOL...WASHINGTON...SCOTT AND SULLIVAN COUNTIES... AT 1222 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED 6 MILES EAST OF HILTONS...OR 10 MILES WEST OF BRISTOL TN...MOVING EAST AT 45 MPH. LOCATIONS IN THE WARNING INCLUDE... BRISTOL TN...BRISTOL VA...BLOUNTVILLE AND BENHAMS. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. && LAT...LON 3668 8210 3647 8215 3660 8260 3672 8255 TIME...MOT...LOC 0524Z 277DEG 39KT 3662 8234 $$ DGS
038 WWUS54 KMRX 010535 SVSMRX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 1235 AM EST THU MAR 1 2012 VAC169-010545- /O.CAN.KMRX.TO.W.0009.000000T0000Z-120301T0545Z/ SCOTT VA- 1235 AM EST THU MAR 1 2012 ...THE TORNADO WARNING FOR SCOTT COUNTY IS CANCELLED... LAT...LON 3669 8225 3668 8210 3647 8215 3652 8233 TIME...MOT...LOC 0535Z 275DEG 39KT 3661 8219 $$ TNC163-VAC191-520-010545- /O.CON.KMRX.TO.W.0009.000000T0000Z-120301T0545Z/ SULLIVAN TN-WASHINGTON VA-CITY OF BRISTOL VA- 1235 AM EST THU MAR 1 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 AM EST FOR CITY OF BRISTOL...WASHINGTON AND SULLIVAN COUNTIES... AT 1231 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR BENHAMS...OR NEAR BRISTOL VA...MOVING EAST AT 45 MPH. LOCATIONS IN THE WARNING INCLUDE... BRISTOL VA. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. && LAT...LON 3669 8225 3668 8210 3647 8215 3652 8233 TIME...MOT...LOC 0535Z 275DEG 39KT 3661 8219 $$ DGS
406 WWUS54 KMRX 010540 SVSMRX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 1240 AM EST THU MAR 1 2012 TNC163-VAC191-520-010550- /O.EXP.KMRX.TO.W.0009.000000T0000Z-120301T0545Z/ SULLIVAN TN-WASHINGTON VA-CITY OF BRISTOL VA- 1240 AM EST THU MAR 1 2012 ...THE TORNADO WARNING FOR CITY OF BRISTOL...WASHINGTON AND SULLIVAN COUNTIES WILL EXPIRE AT 1245 AM EST... THE STORM THAT PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LEVELS. THEREFORE...THE WARNING HAS BEEN ALLOWED TO EXPIRE. LAT...LON 3669 8225 3668 8210 3647 8215 3652 8233 TIME...MOT...LOC 0540Z 275DEG 39KT 3660 8212 $$ DGS
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 29, 7:08 PM EST | Severe Thunderstorm Warning | MRX | Russell | 30 min |
| Feb 29, 11:39 PM EST | Severe Thunderstorm Warning | MRX | Lee, Scott | 36 min |
| Feb 29, 11:50 PM EST | Tornado Warning | MRX | Scott | 25 min |
| Mar 1, 1:16 AM EST | Areal Flood Advisory | MRX | Scott, Washington, City of Bristol | 119 min |
| 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 |
| Mar 1, 2:44 AM EST | Severe Thunderstorm Warning | MRX | Cocke, Sevier | 31 min |
Nearby
Tornado Warnings in Virginia, 2012Tornado Warnings in Tennessee, 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.