Alert archive / Tennessee / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 241, NWS Morristown, TN

August 6, 2005Blount County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Aug 6, 2005, 2:36 PM EDT for Blount 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: Aug 6, 2005, 2:36 PM EDT (18:36 UTC)
Expired: Aug 6, 2005, 3:03 PM EDT
In force: 27 min
Issued by: NWS Morristown, TN
Area: Counties, with a storm outline in the text

County Blount County, TN

The radar

The Knoxville radar (KMRX), 71 km from the middle of the area, began a volume at 18:38 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, 6.6 hours before the alert went out and 246 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 583 J/kg
Mixed-layer CIN: -153 J/kg
Mixed-layer LCL: 1363 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 11 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Aug 6, 10:10 AM EDT, 4 hours 26 minutes earlier.

Area forecast discussion, Aug 6, 10:10 AM EDT, 4 hours 26 minutes before

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Hazardous weather outlook, Aug 6, 4:00 AM EDT, 10 hours 36 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MORRISTOWN TN
400 AM EDT SAT AUG 6 2005

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-005-
006-008-070800-
ANDERSON-BLEDSOE-BLOUNT SMOKY MTN-BRADLEY-CAMPBELL-CHEROKEE-
CLAIBORNE-CLAY-COCKE SMOKY MTN-EAST POLK-GRAINGER-HAMBLEN-HAMILTON-
HANCOCK-HAWKINS-JEFFERSON-JOHNSON-KNOX-LEE-LOUDON-MARION-MCMINN-
MEIGS-MORGAN-NORTH SEVIER-NORTHWEST CARTER-NORTHWEST COCKE-
NORTHWEST GREENE-NORTHWEST MONROE-NW BLOUNT-RHEA-ROANE-RUSSELL-
SCOTT TN-SCOTT VA-SEQUATCHIE-SEVIER SMOKY MTN-SOUTHEAST CARTER-
SOUTHEAST GREENE-SOUTHEAST MONROE-SULLIVAN-UNICOI-UNION-
WASHINGTON TN-WASHINGTON VA-WEST POLK-WISE-
400 AM EDT (300 AM CDT) SAT AUG 6 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST TENNESSEE...SOUTHWESTERN
VIRGINIA AND EXTREME SOUTHWESTERN NORTH CAROLINA.

.DAY ONE (TODAY AND TONIGHT)...

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP...MAINLY
THIS AFTERNOON AND EVENING.  THE BEST CHANCES WILL BE ACROSS
NORTHEAST PARTS OF THE CUMBERLAND PLATEAU INTO SOUTHWEST VIRGINIA...
ASSOCIATED WITH A WEAK COLD FRONT.  MOUNTAINOUS AREAS ALONG THE
TENNESSEE AND NORTH CAROLINA STATE LINE WILL ALSO BE FAVORED
LOCATIONS FOR INITIAL DEVELOPMENT.

MOST STORMS WILL MOVE SLOWLY WEST OR NORTHWEST AT 10 MPH OR LESS
...AND MAY PRODUCE LOCALLY HEAVY RAINS IN EXCESS OF TWO INCHES.
ALSO...ISOLATED STRONG STORMS COULD PRODUCE DAMAGING WINDS OF 50 MPH
OR GREATER.

.DAYS TWO THROUGH SEVEN (SUNDAY THROUGH FRIDAY)...

THERE WILL GENERALLY BE ISOLATED TO SCATTERED SHOWERS AND
THUNDERSTORMS EACH DAY...ESPECIALLY IN THE AFTERNOON AND EVENING
HOURS.  HOWEVER...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

PLEASE STAY TUNED TO NOAA WEATHER RADIO OR VISIT OUR WEBSITE AT
WWW.SRH.NOAA.GOV/MRX.

TG

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 5, 8:24 PM EDT	Severe Thunderstorm Warning	MRX	Roane	51 min
Aug 5, 9:03 PM EDT	Severe Thunderstorm Warning	MRX	Blount	27 min
Aug 5, 9:08 PM EDT	Severe Thunderstorm Warning	MRX	Meigs	34 min
Aug 5, 9:47 PM EDT	Severe Thunderstorm Warning	MRX	Knox	29 min
Aug 5, 9:53 PM EDT	Severe Thunderstorm Warning	MRX	Loudon	52 min
Aug 6, 4:21 PM EDT	Severe Thunderstorm Warning	MRX	Greene	39 min
Aug 6, 4:25 PM EDT	Severe Thunderstorm Warning	MRX	Hawkins	65 min
Aug 6, 4:32 PM EDT	Flash Flood Warning	MRX	Sevier	118 min
Aug 6, 5:07 PM EDT	Severe Thunderstorm Warning	MRX	Greene	38 min
Aug 6, 5:31 PM EDT	Severe Thunderstorm Warning	MRX	Hamblen	44 min
Aug 6, 5:44 PM EDT	Severe Thunderstorm Warning	MRX	Cocke, Jefferson	31 min
Aug 6, 5:50 PM EDT	Severe Thunderstorm Warning	MRX	Anderson	55 min
Aug 6, 7:23 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Campbell	67 min
Aug 6, 3:17 PM EDT	Severe Thunderstorm Warning	MRX	Washington	58 min
Aug 6, 5:16 PM EDT	Severe Thunderstorm Warning	MRX	Russell	29 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2005 Every severe thunderstorm warning in 2005

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.