Alert archive / North Carolina / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 414, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Aug 15, 2006, 3:38 PM EDT for Cherokee County, North Carolina. It was in force for 67 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 15, 2006, 3:38 PM EDT (19:38 UTC)
- Expired
- Aug 15, 2006, 4:45 PM EDT
- In force
- 67 min
- Issued by
- NWS Morristown, TN
- Area
- Counties, with a storm outline in the text
County Cherokee County, NC
The radar
The Knoxville radar (KMRX), 130 km from the middle of the area, began a volume at 19:38 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.6 hours before the alert went out and 200 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
- 179 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 906 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 15, 3:15 PM EDT, 23 minutes earlier.
Area forecast discussion, Aug 15, 3:15 PM EDT, 23 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 315 PM EDT TUE AUG 15 2006 .SHORT TERM (TUESDAY NIGHT THROUGH THURSDAY NIGHT)...FRONT MAKING ITS WAY ACROSS THE REGION THIS AFTERNOON WITH SOME RATHER NICE CONVECTION OCCURRING JUST AHEAD OF IT. FROPA ACROSS EXTREME SOUTHEASTERN SECTIONS INCLUDING SOUTHWEST NORTH CAROLINA WILL BE DURING THE EVENING SO KEPT SOME HIGHER POPS GOING HERE. DRIER WEATHER IN STORE FOR MOST OF THE FORECAST AREA THROUGH THE SHORT TERM PERIOD AS UPPER LEVEL RIDGING BUILDS THROUGH THE MISSISSIPPI VALLEY INTO THE SOUTHEASTERN STATES. HOWEVER SOME VORT ENERGY ROLLS AROUND THE RIDGE ACROSS SOUTHWEST NORTH CAROLINA AND SOUTHEAST TENNESSEE WEDNESDAY/THURSDAY WITH LOW LEVEL INVERTED TROF FORMATION WHICH SLOWLY SHIFTS WEST ACROSS THE APPALACHIANS AND TENNESSEE VALLEY. THIS REQUIRES THE PLACEMENT OF SLIGHT CHANCE POPS IN THE EXTREME SOUTHEAST PERIPHERY OF THE FORECAST AREA DURING THIS PERIOD. TEMPS REBOUND QUICKLY WITH ABOVE NORMAL WARMTH BACK IN THE WORKS BOTH DAYS. .LONG TERM (FRIDAY THROUGH TUESDAY)...GFS AND ECMWF ARE IN FAIRLY GOOD AGREEMENT IN RETROGRADING UPPER RIDGE ACROSS THE TENNESSEE WEST AS AN UPPER TROUGH MOVES ACROSS THE GREAT LAKES SATURDAY THEN EAST OVER THE NORTHEAST UNITED STATES. AS THE UPPER RIDGE MOVES WEST THE FORECAST AREA WITH BE UNDER STRONGER NORTHWEST FLOW ALOFT FOR THE LATTER HALF OF THE WEEKEND INTO EARLY NEXT WEEK. AT THE SURFACE...WEAK RIDGING OVER THE SOUTHERN APPALACHIANS WILL WEAKEN BY SATURDAY NIGHT ALLOWING A COLD FRONT TO MOVE ACROSS THE FORECAST AREA FOR SUNDAY. WILL CONTINUE WITH CHANCE OF SHOWERS AND THUNDERSTORMS...ESPECIALLY FOR SATURDAY AND SUNDAY AS FRONT APPROACHES AND MOVE ACROSS THE REGION. FRONT STALLS JUST SOUTH OF THE FORECAST AREA FOR MONDAY AND TUESDAY...BUT AGAIN SHOWS AN INVERTED SURFACE TROUGH ESTABLISHING ITSELF OVER EASTERN TENNESSEE. WILL MAINTAIN LOW CHANCE POPS FOR MONDAY AND TUESDAY. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 70 92 71 92 / 10 10 10 20 KNOXVILLE MCGHEE TYSON AIRPORT, TN 68 89 68 90 / 20 10 10 10 OAK RIDGE, TN 67 89 68 90 / 10 10 0 10 TRI CITIES AIRPORT, TN 64 87 62 89 / 20 10 0 10 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && 20/DH
Hazardous weather outlook, Aug 15, 5:19 AM EDT, 10 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 519 AM EDT TUE AUG 15 2006 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-005- 006-008-161000- 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- 519 AM EDT (419 AM CDT) TUE AUG 15 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST TENNESSEE...SOUTHWEST VIRGINIA AND EXTREME SOUTHWEST NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT A WEAK COLD FRONT WILL MOVE THROUGH THE REGION TODAY...BRINGING THUNDERSTORMS TO THE AREA. A FEW THUNDERSTORMS MAY BECOME SEVERE THIS AFTERNOON...WITH DAMAGING WINDS...LARGE HAIL AND HEAVY RAIN POSSIBLE. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON. GH
In the hours before
Special weather statement, Aug 15, 1:48 PM EDT, 1 hour 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 148 PM EDT TUE AUG 15 2006 TNZ036-067>069-151845- ANDERSON-KNOX-LOUDON-ROANE- 148 PM EDT TUE AUG 15 2006 ...SCATTERED STRONG THUNDERSTORMS WERE AFFECTING ANDERSON...KNOX... LOUDON AND ROANE COUNTIES... AT 139 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING SCATTERED STRONG THUNDERSTORMS 5 MILES EAST OF CLINTON....MOVING EAST AT 10 MPH. PEA SIZE HAIL...AND WINDS 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. 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. DH
Nearby
Severe Thunderstorm Warnings in North Carolina, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.