Alert archive / Tennessee / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 193, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at May 25, 2006, 6:58 PM EDT for Campbell County, Tennessee. It was in force for 47 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
- May 25, 2006, 6:58 PM EDT (22:58 UTC)
- Expired
- May 25, 2006, 7:45 PM EDT
- In force
- 47 min
- Issued by
- NWS Morristown, TN
- Area
- Counties, with a storm outline in the text
County Campbell County, TN
The radar
The Knoxville radar (KMRX), 72 km from the middle of the area, began a volume at 23:00 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 25, 10:27 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 11.0 hours before the alert went out and 222 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
- 1538 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 975 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.0
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 May 25, 3:32 PM EDT, 3 hours 26 minutes earlier.
Area forecast discussion, May 25, 3:32 PM EDT, 3 hours 26 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 332 PM EDT THU MAY 25 2006 .SHORT TERM...(TONIGHT THROUGH FRIDAY)...CONVECTION NOW WANING OVER AREA. HAVE POPS FOR THIS EVENING HIGHER (20S AND 30S) WEST AND LOW NORTHEAST CONSIDERING CURRENT TRENDS. THINKING MAYBE ENOUGH CONVECTION CAN GET GOING OVER MIDDLE TN TO ADVECT IN THIS EVENING IN THE WEST. LATER TONIGHT SHORT WAVE TO MOVE THROUGH AFTER MIDNIGHT IN THE NORTHWEST AND THROUGH THE SOUTH AND FAR EAST AROUND DAYBREAK. FOR FRIDAY AFTERNOON...WILL PROBABLY BE PRETTY QUIET FOR MUCH OF THE CWA...BUT WITH SOME WRAP-AROUND SHOWERS IN THE NORTH. STILL HAVE SOME LOW POPS IN FOR FRIDAY AFTERNOON IN CASE THE SHORT WAVE CANNOT MOTIVATE THE CONVECTION/OUTFLOW BOUNDARY SOUTH OF THE CWA. STUCK PRETTY CLOSE TO GUIDANCE TEMPS...A LITTLE LOWER HIGHS FOR FRIDAY IN THE NORTH DUE TO HEAVIER CLOUD COVER. .LONG TERM...(FRI NIGHT THROUGH THU)...UPPER TROUGH PULLS AWAY FRI NIGHT...AND UPPER RIDGE BEGINS TO BUILD IN. THIS UPPER RIDGE WILL BE OVER THE AREA THROUGH EARLY NEXT WEEK. CAPPING MAY BE STRONG ENOUGH SATURDAY THROUGH MONDAY TO SUPPRESS CONVECTION...BUT FOR NOW WILL KEEP SLIGHT CHANCE POPS FOR SOUTHWEST ZONES SATURDAY AFTERNOON AND SOUTH AND CENTRAL SUN WHERE MODELS DEPICT DEEPER MOISTURE. WILL KEEP CURRENT DRY MONDAY FORECAST FOR NOW...BUT MAY NEED TO ADD POSSIBILITY OF ISOLATED CONVECTION FOR MON AS WELL LATER. RIDGE BEGINS TO BREAK DOWN BY MIDDLE OF THE WEEK...AND GFS DEPICTS MORE MOISTURE AVAILABLE...SO WILL GO WITH CHANCE POPS FOR TUE AFTERNOON THROUGH THU...WITH SLIGHT CHANCE NIGHTS. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 66 85 67 90 / 50 50 40 20 KNOXVILLE MCGHEE TYSON AIRPORT, TN 66 84 64 87 / 50 50 30 10 OAK RIDGE, TN 67 84 63 88 / 50 40 30 10 TRI CITIES AIRPORT, TN 61 78 59 85 / 60 40 30 10 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && GM/LDW
Hazardous weather outlook, May 25, 5:30 AM EDT, 13 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 530 AM EDT THU MAY 25 2006 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-251000- 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 VA-RUSSELL-WASHINGTON VA- 530 AM EDT (430 AM CDT) THU MAY 25 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST TENNESSEE...SOUTHWEST VIRGINIA AND EXTREME SOUTHWEST NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT A WARM FRONT ACROSS THE TENNESSEE VALLEY WILL SLOWLY LIFT NORTHEAST TODAY. INCREASING SOUTHWEST LATER TODAY WILL TRANSPORT WARM... MOIST...AND UNSTABLE AIR ACROSS THE REGION AND FOCUS ALONG THE WARM FRONT TO PRODUCE SCATTERED SHOWERS AND THUNDERSTORMS. ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND TONIGHT WITH THE MAIN CONCERN BEING DAMAGING WINDS AND LARGE HAIL UP TO PENNY SIZE. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A WEAK COLD FRONT WILL MOVE ACROSS THE REGION FRIDAY. BREEZY SOUTHWEST WINDS AHEAD OF THE FRONT WILL CONTINUE TO PULL WARM...MOIST AND UNSTABLE AIR ACROSS THE TENNESSEE VALLEY AND SOUTHERN APPALACHIANS. AS THE WEAK FRONT MOVES ACROSS THE REGION FRIDAY AFTERNOON AND EVENING...SCATTERED THUNDERSTORMS WILL DEVELOP. DUE TO THE STRONG WINDS AND COOL AIR ALOFT...SOME OF THE STORMS MAY BECOME SEVERE WITH THE MAIN CONCERN BEING LARGE HAIL AND DAMAGING WINDS. A RIDGE OF HIGH PRESSURE WILL BUILD ACROSS THE AREA THIS WEEKEND ENDING THE THUNDERSTORMS CHANCES FOR SUNDAY AND MONDAY. MORE SUMMER- LIKE AFTERNOON AND EVENING THUNDERSTORMS ARE EXPECTED FOR TUESDAY AND WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND OVERNIGHT...BUT A BETTER CHANCE EXISTS FOR FRIDAY AFTERNOON AND EVENING. DH
In the hours before
Local storm report, May 25, 1:13 PM EDT, 5 hours 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
113 PM EDT THU MAY 25 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1210 PM HAIL 6 ESE DUNLAP 35.34N 85.29W
05/25/2006 E0.25 INCH SEQUATCHIE TN LAW ENFORCEMENT
PEA SIZED HAIL ON HIGHWAY 111 ON LEWIS CHAPEL MOUNTAIN.
REPORTED BY SHERIFFS DISPATCH.
&&
FERRELLSpecial weather statement, May 25, 2:35 PM EDT, 4 hours 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 235 PM EDT THU MAY 25 2006 TNZ099-251900- HAMILTON- 235 PM EDT THU MAY 25 2006 ...A STRONG THUNDERSTORM WAS AFFECTING HAMILTON COUNTY... AT 230 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR CHATTANOOGA....MOVING EAST AT 20 MPH. SMALL HAIL...AND WINDS 30 TO 40 MPH ARE POSSIBLE WITH THIS STORM. LOCALLY HEAVY RAINS...IN EXCESS OF ONE INCH PER HOUR...MAY OCCUR WITH THIS THUNDERSTORM. MOTORISTS SHOULD BE ALERT FOR PONDING OF WATER ON ROADWAYS...AND POSSIBLE MINOR FLOODING OF LOW LYING AREAS. DO NOT DRIVE THROUGH WATERS OF UNKNOWN DEPTH. TURN AROUND DONT DROWN A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT THURSDAY EVENING FOR EAST TENNESSEE. TD
Local storm report, May 25, 2:54 PM EDT, 4 hours 4 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 |
|---|---|---|---|---|
| May 25, 10:37 AM EDT | Severe Thunderstorm Warning | MRX | Monroe, Polk | 23 min |
| May 25, 12:04 PM EDT | Severe Thunderstorm Warning | MRX | Hamilton, Sequatchie | 26 min |
| May 25, 1:18 PM EDT | Severe Thunderstorm Warning | MRX | Hamilton | 27 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.