Alert archive / Tennessee / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 65, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Jun 9, 2010, 6:33 PM EDT for McMinn County, Meigs County, Tennessee. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 9, 2010, 6:33 PM EDT (22:33 UTC)
- Expired
- Jun 9, 2010, 7:00 PM EDT
- In force
- 27 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
Counties McMinn County, TN, Meigs County, TN
The radar
The Northeast Alabama radar (KHTX), 138 km from the middle of the area, began a volume at 22:32 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
Nashville Metro, TN (KBNA), launched 12:00Z, 10.6 hours before the alert went out and 185 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
- 479 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 726 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.2
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Morristown, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 9, 6:11 PM EDT, 22 minutes earlier.
Area forecast discussion, Jun 9, 6:11 PM EDT, 22 minutes before
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</html>Hazardous weather outlook, Jun 9, 4:55 AM EDT, 13 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 455 AM EDT WED JUN 9 2010 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-100900- CHEROKEE-CLAY-SCOTT TN-CAMPBELL-CLAIBORNE-HANCOCK-HAWKINS- SULLIVAN-JOHNSON-MORGAN-ANDERSON-UNION-GRAINGER-HAMBLEN- NORTHWEST COCKE-COCKE SMOKY MOUNTAINS-NORTHWEST GREENE- SOUTHEAST GREENE-WASHINGTON TN-UNICOI-NORTHWEST CARTER- SOUTHEAST CARTER-ROANE-LOUDON-KNOX-JEFFERSON-NW BLOUNT- BLOUNT SMOKY MOUNTAINS-NORTH SEVIER-SEVIER SMOKY MOUNTAINS- SEQUATCHIE-BLEDSOE-RHEA-MEIGS-MCMINN-NORTHWEST MONROE- SOUTHEAST MONROE-MARION-HAMILTON-BRADLEY-WEST POLK-EAST POLK-LEE- WISE-SCOTT-RUSSELL-WASHINGTON- 455 AM EDT WED JUN 9 2010 /355 AM CDT WED JUN 9 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT A VERY WARM...MOIST AND UNSTABLE AIR MASS HAS MOVED BACK INTO THE SOUTHERN APPALACHIANS AND WILL RESULT IN SCATTERED TO NUMEROUS MAINLY AFTERNOON SHOWERS AND THUNDERSTORMS. SOME OF THESE STORMS COULD BE SEVERE AHEAD OF A COLD FRONT THAT WILL MOVE TOWARDS THE AREA. THE MAIN CONCERNS WILL BE DAMAGING WINDS ALONG WITH SOME LARGE HAIL. THE FRONTAL BOUNDARY WILL LINGER ACROSS THE NORTHERN SECTIONS OF TENNESSEE AND SOUTHWEST VIRGINIA INTO TONIGHT SO CONTINUED THUNDERSTORMS IN THE SAME AREA THIS AFTERNOON AND TONIGHT MAY CONTRIBUTE TO LOCALIZED FLOODING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY BOUNDARIES LEFT OVER FROM ACTIVITY TODAY IS EXPECTED TO CAUSE NEW THUNDERSTORM DEVELOPMENT THURSDAY. A FEW THUNDERSTORMS COULD BECOME SEVERE ESPECIALLY ACROSS THE CUMBERLAND PLATEAU AND SOUTHERN VALLEY WHERE THE ATMOSPHERE WILL BE MORE UNSTABLE .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THURSDAY.
In the hours before
Special weather statement, Jun 9, 6:22 PM EDT, 11 minutes before
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</html>Special weather statement, Jun 9, 6:28 PM EDT, 5 minutes before
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</html>The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 5:28 PM EDT | Severe Thunderstorm Warning | MRX | Bledsoe, Rhea | 32 min |
| Jun 9, 5:53 PM EDT | Severe Thunderstorm Warning | MRX | Bledsoe, Rhea | 52 min |
| Jun 9, 5:58 PM EDT | Areal Flood Advisory | MRX | Bledsoe, Meigs, Rhea | 73 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2010Every severe thunderstorm warning in 2010
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.