Alert archive / Tennessee / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 430, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Sep 23, 2006, 7:21 PM EDT for Morgan County, Tennessee. It was in force for 39 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
- Sep 23, 2006, 7:21 PM EDT (23:21 UTC)
- Expired
- Sep 23, 2006, 8:00 PM EDT
- In force
- 39 min
- Issued by
- NWS Morristown, TN
- Area
- Counties, with a storm outline in the text
County Morgan County, TN
The radar
The Knoxville radar (KMRX), 111 km from the middle of the area, began a volume at 23:24 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 |
|---|---|---|---|
| Sep 23, 7:30 PM EDT | TSTM WND DMG | Wartburg, TN | FROM 730 TO AROUND 750 PM EDT...NUMEROUS TREES...POWERLINES AND A FEW TELEPHONE LINES DOWN COUNTYWIDE. REPORTED BY THE CLINTON UTILITIES...THE HARRIMAN UTILITY BOARD AND PLATEAU ELECTRIC. |
| Sep 23, 7:50 PM EDT | TSTM WND DMG | Petros, TN | TREE DOWN ON PETROS ROAD IN PETROS. REPORTED BY SHERIFFS OFFICE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 11.4 hours before the alert went out and 176 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
- 836 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -276 m²/s²
- 0-3 km storm-relative helicity
- -66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS54 KMRX 232321
SVRMRX
TNC129-240000-
/O.NEW.KMRX.SV.W.0430.060923T2321Z-060924T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
721 PM EDT SAT SEP 23 2006
THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MORGAN COUNTY IN EAST TENNESSEE
THIS INCLUDES THE CITY OF WARTBURG
* UNTIL 800 PM EDT
* AT 616 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 13
MILES WEST OF WARTBURG...AND MOVING NORTHEAST AT 40 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
6 MILES NORTHWEST OF WARTBURG BY 735 PM EDT
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 PRIMARY KILLERS. REMEMBER...
IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY
LIGHTNING.
LAT...LON 3628 8462 3628 8458 3623 8457 3620 8447
3615 8446 3606 8435 3601 8443 3592 8468
3608 8478 3615 8490 3629 8486 3629 8479
3632 8479 3637 8470
$$
TG2 follow-up statements
000
WWUS54 KMRX 232349
SVSMRX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
747 PM EDT SAT SEP 23 2006
TNC129-240000-
/O.CON.KMRX.SV.W.0430.000000T0000Z-060924T0000Z/
MORGAN TN-
747 PM EDT SAT SEP 23 2006
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR MORGAN COUNTY...
AT 745 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING UP TO PENNY SIZE
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR
WARTBURG...MOVING NORTHEAST AT 40 MPH...AND HAD WEAKENED SLIGHTLY
FROM EARLIER INTENSITY.
IN ADDITION TO HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY
LIGHTNING IS ONE OF NATURES PRIMARY KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
LOCALLY HEAVY RAINS IN EXCESS OF ONE INCH PER HOUR MAY OCCUR WITH
THIS AND OTHER STORMS IN MORGAN COUNTY. NEVER DRIVE THROUGH WATERS
OF UNKNOWN DEPTH...TURN AROUND DONT DROWN
LAT...LON 3628 8462 3628 8458 3623 8457 3620 8447
3615 8446 3606 8435 3601 8443 3592 8468
3608 8478 3615 8490 3629 8486 3629 8479
3632 8479 3637 8470
$$
TG000
WWUS54 KMRX 232356
SVSMRX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
755 PM EDT SAT SEP 23 2006
TNC129-240005-
/O.EXP.KMRX.SV.W.0430.000000T0000Z-060924T0000Z/
MORGAN TN-
755 PM EDT SAT SEP 23 2006
...THE SEVERE THUNDERSTORM WARNING FOR MORGAN COUNTY EXPIRES AT 800
PM EDT...
THE STORMS THAT PROMPTED THE WARNING HAD WEAKENED BELOW SEVERE
LEVELS...OR EXITED MORGAN COUNTY. THEREFORE...THE WARNING WILL BE
ALLOWED TO EXPIRE.
LAT...LON 3628 8462 3628 8458 3623 8457 3620 8447
3615 8446 3606 8435 3601 8443 3592 8468
3608 8478 3615 8490 3629 8486 3629 8479
3632 8479 3637 8470
$$
TGThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 23, 8:32 AM EDT | Severe Thunderstorm Warning | MRX | Campbell, Claiborne | 28 min |
| Sep 23, 11:51 AM EDT | Flash Flood Warning | MRX | Knox, Loudon | 114 min |
| Sep 23, 12:18 PM EDT | Flash Flood Warning | MRX | Roane | 117 min |
| Sep 23, 1:45 PM EDT | Flash Flood Warning | MRX | Knox, Loudon | 60 min |
| Sep 23, 2:19 PM EDT | Flash Flood Warning | MRX | Roane | 3 hr |
| Sep 23, 2:45 PM EDT | Flash Flood Warning | MRX | Knox, Loudon | 3 hr |
| Sep 23, 2:58 PM EDT | Flash Flood Watch | MRX | Anderson, Blount, Campbell, Claiborne, Cocke, Grainger and 13 more | 12 hr |
| Sep 23, 3:46 PM EDT | Severe Thunderstorm Warning | MRX | Marion | 18 min |
| Sep 23, 4:14 PM EDT | Flash Flood Warning | MRX | McMinn, Monroe | 3 hr |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2006Every severe thunderstorm warning in 2006
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.