Alert archive / Tennessee / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 310, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Jun 23, 2011, 6:03 PM EDT for Morgan County, Scott County, Tennessee. It was in force for 42 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
- Jun 23, 2011, 6:03 PM EDT (22:03 UTC)
- Expired
- Jun 23, 2011, 6:45 PM EDT
- In force
- 42 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
Counties Morgan County, TN, Scott County, TN
The radar
The Knoxville radar (KMRX), 119 km from the middle of the area, began a volume at 22:07 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 |
|---|---|---|---|
| Jun 23, 6:40 PM EDT | TSTM WND DMG | 5 W Oneida, TN | ONE TREE DOWN ON LEATHERWOOD RD AND ONE DOWN ON PINE HILL RD. |
| Jun 23, 6:55 PM EDT | TSTM WND DMG | Sunbright, TN | A COUPLE OF TREES DOWN IN THE SUNBRIGHT AREA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 23, 1:37 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 10.1 hours before the alert went out and 169 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
- 1096 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 529 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.2
The text
As transmitted, in the capitals the NWS used until 2016.
395
WUUS54 KMRX 232203
SVRMRX
TNC129-151-232245-
/O.NEW.KMRX.SV.W.0310.110623T2203Z-110623T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
603 PM EDT THU JUN 23 2011
THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MORGAN COUNTY IN EAST TENNESSEE...
SCOTT COUNTY IN EAST TENNESSEE...
* UNTIL 645 PM EDT
* AT 601 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 11
MILES NORTHEAST OF MONTEREY...OR 13 MILES SOUTHEAST OF
LIVINGSTON...AND MOVING EAST AT 35 MPH.
* LOCATIONS IN THE WARNING INCLUDE...
WARTBURG...ONEIDA...HUNTSVILLE...HIGH POINT...DEERLODGE...RUGBY...
BIG SOUTH FORK NATIONAL REFUGE...SUNBRIGHT...ELGIN...SLICK ROCK AND
WINFIELD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT THURSDAY EVENING
FOR CENTRAL TENNESSEE.
&&
LAT...LON 3660 8438 3599 8447 3598 8473 3607 8480
3616 8492 3618 8491 3620 8492 3630 8487
3630 8481 3634 8478 3640 8467 3659 8478
TIME...MOT...LOC 2203Z 272DEG 31KT 3627 8512
$$1 follow-up statement
177
WWUS54 KMRX 232220
SVSMRX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
620 PM EDT THU JUN 23 2011
TNC129-151-232245-
/O.CON.KMRX.SV.W.0310.000000T0000Z-110623T2245Z/
SCOTT TN-MORGAN TN-
620 PM EDT THU JUN 23 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR MORGAN AND SCOTT COUNTIES...
AT 618 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED 11 MILES NORTHWEST OF HIGH POINT...OR 12 MILES SOUTH OF
JAMESTOWN...MOVING EAST AT 35 MPH.
LOCATIONS IN THE WARNING INCLUDE...
WARTBURG...ONEIDA...HUNTSVILLE...HIGH POINT...DEERLODGE...RUGBY...
BIG SOUTH FORK NATIONAL REFUGE...SUNBRIGHT...ELGIN...SLICK ROCK...
OAKDALE AND WINFIELD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES PRIMARY KILLERS ASSOCIATED
WITH THUNDERSTORMS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE
CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT THURSDAY EVENING
FOR CENTRAL TENNESSEE.
&&
LAT...LON 3660 8438 3599 8447 3598 8473 3607 8480
3616 8492 3618 8491 3620 8492 3630 8487
3630 8481 3634 8478 3640 8467 3659 8478
TIME...MOT...LOC 2220Z 272DEG 31KT 3626 8494
$$The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 8:08 PM EDT | Severe Thunderstorm Warning | MRX | Carter, Claiborne, Grainger, Greene, Hamblen, Hancock and 5 more | 36 min |
| Jun 23, 6:46 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Claiborne, Morgan, Roane, Scott and 1 more | 59 min |
| Jun 23, 7:28 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Blount, Jefferson, Knox, Loudon, Morgan and 3 more | 47 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2011Every severe thunderstorm warning in 2011
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.