Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 2, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Jan 17, 2012, 5:26 PM EST for Cherokee County, Clay County, North Carolina; 4 counties in Tennessee. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jan 17, 2012, 5:26 PM EST (22:26 UTC)
- Expired
- Jan 17, 2012, 6:15 PM EST
- In force
- 49 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
Counties Cherokee County, NC, Clay County, NC, Bradley County, TN, Hamilton County, TN, McMinn County, TN, Polk County, TN
The radar
The Knoxville radar (KMRX), 139 km from the middle of the area, began a volume at 22:25 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.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.4 hours before the alert went out and 202 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
- 521 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 331 m²/s²
- 0-3 km storm-relative helicity
- 408 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
353
WUUS54 KMRX 172226
SVRMRX
NCC039-043-TNC011-065-107-139-172315-
/O.NEW.KMRX.SV.W.0002.120117T2226Z-120117T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
526 PM EST TUE JAN 17 2012
THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHEROKEE COUNTY IN SOUTHWEST NORTH CAROLINA...
EXTREME WESTERN CLAY COUNTY IN SOUTHWEST NORTH CAROLINA...
BRADLEY COUNTY IN EAST TENNESSEE...
HAMILTON COUNTY IN EAST TENNESSEE...
EXTREME SOUTHERN MCMINN COUNTY IN EAST TENNESSEE...
POLK COUNTY IN EAST TENNESSEE...
* UNTIL 615 PM EST
* AT 520 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
EXCESS OF 70 MPH. THIS STORM WAS LOCATED 9 MILES SOUTH OF
CLEVELAND...AND MOVING EAST AT 60 MPH.
* LOCATIONS IN THE WARNING INCLUDE...
BENTON...DUCKTOWN...MURPHY...GAP SPRINGS...CONASAUGA...
PARKSVILLE...RELIANCE...BIG FROG MOUNTAIN...ARCHVILLE...
COPPERHILL...TURTLETOWN...HOT HOUSE...VIOLET...HIAWASSE DAM...
CULBERSON...UNAKA AND MARBLE.
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.
&&
LAT...LON 3498 8502 3525 8497 3526 8442 3521 8433
3521 8430 3526 8424 3524 8413 3525 8412
3526 8400 3522 8397 3523 8390 3498 8394
TIME...MOT...LOC 2226Z 271DEG 51KT 3506 8482
$$2 follow-up statements
961
WWUS54 KMRX 172248
SVSMRX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
548 PM EST TUE JAN 17 2012
NCC039-043-TNC011-065-107-139-172315-
/O.CON.KMRX.SV.W.0002.000000T0000Z-120117T2315Z/
CHEROKEE NC-CLAY NC-BRADLEY TN-HAMILTON TN-MCMINN TN-POLK TN-
548 PM EST TUE JAN 17 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EST
FOR POLK...EXTREME SOUTHERN MCMINN...SOUTHERN HAMILTON...BRADLEY...
EXTREME WESTERN CLAY AND CHEROKEE COUNTIES...
AT 540 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR BIG FROG
MOUNTAIN...OR 9 MILES SOUTHEAST OF BENTON...MOVING EAST AT 60 MPH.
LOCATIONS IN THE WARNING INCLUDE...
DUCKTOWN...MURPHY...COPPERHILL...TURTLETOWN...HOT HOUSE...VIOLET...
HIAWASSE DAM...CULBERSON...UNAKA AND MARBLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES PRIMARY KILLERS ASSOCIATED
WITH THUNDERSTORMS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE
CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 3498 8502 3525 8497 3526 8442 3521 8433
3521 8430 3526 8424 3524 8413 3525 8412
3526 8400 3522 8397 3523 8390 3498 8394
TIME...MOT...LOC 2248Z 271DEG 51KT 3505 8444
$$928
WWUS54 KMRX 172315
SVSMRX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
615 PM EST TUE JAN 17 2012
NCC039-043-TNC011-065-107-139-172325-
/O.EXP.KMRX.SV.W.0002.000000T0000Z-120117T2315Z/
CHEROKEE NC-CLAY NC-BRADLEY TN-HAMILTON TN-MCMINN TN-POLK TN-
615 PM EST TUE JAN 17 2012
...THE SEVERE THUNDERSTORM WARNING FOR POLK...EXTREME SOUTHERN
MCMINN...SOUTHERN HAMILTON...BRADLEY...EXTREME WESTERN CLAY AND
CHEROKEE COUNTIES HAS EXPIRED...
THE STORMS THAT PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LEVELS. THEREFORE...THE WARNING HAS BEEN ALLOWED TO EXPIRE.
LAT...LON 3498 8502 3525 8497 3526 8442 3521 8433
3521 8430 3526 8424 3524 8413 3525 8412
3526 8400 3522 8397 3523 8390 3498 8394
TIME...MOT...LOC 2248Z 271DEG 51KT 3505 8444
$$The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 17, 4:31 PM EST | Severe Thunderstorm Warning | MRX | Hamilton, Marion, Sequatchie | 29 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2012Severe Thunderstorm Warnings in North Carolina, 2012Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.