Alert archive / Virginia / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 186, NWS Morristown, TN

July 5, 2005Scott County, Virginia

NWS Morristown, TN issued this severe thunderstorm warning at Jul 5, 2005, 2:01 PM EDT for Scott County, Virginia. It was in force for 44 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: Jul 5, 2005, 2:01 PM EDT (18:01 UTC)
Expired: Jul 5, 2005, 2:45 PM EDT
In force: 44 min
Issued by: NWS Morristown, TN
Area: Counties, with a storm outline in the text

County Scott County, VA

The radar

The Knoxville radar (KMRX), 94 km from the middle of the area, began a volume at 18:04 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.0 hours before the alert went out and 252 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: 987 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 701 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: 35 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

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 Jul 5, 10:03 AM EDT, 3 hours 58 minutes earlier.

Area forecast discussion, Jul 5, 10:03 AM EDT, 3 hours 58 minutes before

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Hazardous weather outlook, Jul 5, 5:00 AM EDT, 9 hours 1 minute before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MORRISTOWN TN
500 AM EDT TUE JUL 5 2005

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-005-
006-008-060900-
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-
500 AM EDT (400 AM CDT) TUE JUL 5 2005

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

.DAY ONE (TODAY AND TONIGHT)...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

HOWEVER...SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE
EXPECTED TO DEVELOP ACROSS THE AREA AGAIN TODAY...MAINLY THIS
AFTERNOON AND EVENING...AS A COLD FRONT APPROACHES THE SOUTHERN
APPALACHIANS. ISOLATED STORMS MIGHT REACH STRONG TO SEVERE LEVELS...
BUT MOST STORMS SHOULD REMAIN BELOW SEVERE LEVELS. THE STRONGEST
STORMS COULD PRODUCE BRIEF LOCALLY HEAVY RAINS IN EXCESS OF ONE
INCH...AS WELL AS STRONG GUSTY WINDS UP TO 45 MPH AND POSSIBLY SMALL
HAIL. REMEMBER...THAT ALL THUNDERSTORMS CAN PRODUCE DANGEROUS CLOUD
TO GROUND LIGHTNING STRIKES.

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

A TYPICAL SUMMERTIME PATTERN IS EXPECTED WITH DAYTIME HEATING AND
WEAK UPPER LEVEL DISTURBANCES COMBINING...TO PRODUCE ISOLATED TO
SCATTERED SHOWERS AND THUNDERSTORMS EACH DAY.  THE GREATEST
COVERAGE SHOULD BE PRIMARILY DURING THE AFTERNOON AND EVENING HOURS.

HOWEVER...THE REMNANTS OF A TROPICAL SYSTEM COULD AFFECT THE SOUTHERN
APPALACHIANS AND TENNESSEE VALLEY BY FRIDAY NIGHT OR SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME...ALTHOUGH A FEW STRONG
TO MARGINALLY SEVERE STORMS COULD DEVELOP ON ANY DAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS UNLIKELY AT THIS TIME.

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

LCM

Nearby

Severe Thunderstorm Warnings in Virginia, 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.