Alert archive / Tennessee / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 64, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Jun 5, 2013, 5:34 PM EDT for Blount County, Sevier County, Tennessee. It was in force for 41 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 5, 2013, 5:34 PM EDT (21:34 UTC)
- Expired
- Jun 5, 2013, 6:15 PM EDT
- In force
- 41 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
Counties Blount County, TN, Sevier County, TN
The radar
The Knoxville radar (KMRX), 56 km from the middle of the area, began a volume at 21:36 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, 9.6 hours before the alert went out and 273 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
- 1227 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 558 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- -34 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 Jun 5, 4:30 PM EDT, 1 hour 4 minutes earlier.
Area forecast discussion, Jun 5, 4:30 PM EDT, 1 hour 4 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 430 PM EDT WED JUN 5 2013 .SHORT TERM (TONIGHT AND THURSDAY)...A MOIST AIR MASS WILL BE BUILDING OVER THE AREA THROUGH THE SHORT TERM...WITH SEVERAL VORT MAXES MOVING THROUGH A BROAD TROUGH OVER THE REGION. WITH A LACK OF SYNOPTIC SCALE FORCING MECHANISMS...THESE DISTURBANCES WILL BE THE MAIN FACTORS IN INITIATING SHOWERS AND THUNDERSTORMS...AND UNFORTUNATELY THE MODELS ARE NOT IN GOOD AGREEMENT ON THEIR TIMING. GENERALLY...THE BEST PRECIP CHANCES APPEAR TO BE IN SOUTHERN AND WESTERN PORTIONS OF THE AREA AS THE DISTURBANCES TRACK TO THE NE...AND A SE 850 MB FLOW SUPPLIES LOW LEVEL MOISTURE. SCATTERED SHOWERS WILL BE POSSIBLE THROUGH THE NIGHT...BUT IT APPEARS THAT RAIN CHANCES WILL INCREASE THURSDAY AS THE MIDLEVEL TROUGH AXIS GETS A LITTLE CLOSER. WILL HAVE CHANCE TO LIKELY POPS IN THE MORNING...RISING TO LIKELY TO CATEGORICAL IN THE AFTERNOON. SEVERE THREAT LOOKS LOW THROUGH THE PERIOD...BUT SLOW MOVING OR TRAINING STORMS COULD PRODUCE SOME LOCALIZED FLOODING IN THE PLATEAU BOTH THIS EVENING AND TOMORROW. .LONG TERM (THURSDAY NIGHT THROUGH WEDNESDAY)...WILL BE IN A RATHER UNSETTLED WEATHER PATTERN FOR THE EXTENDED. THURSDAY NIGHT THROUGH SATURDAY...A FRONTAL BOUNDARY MOVING THROUGH THE AREA AND AN AREA OF LOW PRESSURE MOVING NORTHWARD JUST EAST OF THE MRX CWA WILL GENERATES LIKELY TO CATEGORICAL POPS. WILL BE BETWEEN WEATHER SYSTEMS ON SUNDAY. FOR THE REST OF THE EXTENDED...MODELS TRENDING TOWARDS KEEP THE STATIONARY BOUNDARY TO OUR NORTH ALONG THE OHIO RIVER VALLEY. THIS COMBINED WITH DIURNAL HEATING SHOULD PROVIDE ISOLATED TO SCATTERED THUNDERSTORM EACH DAY. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 68 80 67 83 64 / 60 70 70 60 40 KNOXVILLE AIRPORT, TN 67 81 65 81 62 / 50 70 70 70 50 OAK RIDGE, TN 67 79 65 80 62 / 60 80 70 70 50 TRI CITIES AIRPORT, TN 64 80 62 78 59 / 40 80 80 80 70 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && DGS/MJB
Hazardous weather outlook, Jun 5, 3:55 AM EDT, 13 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 355 AM EDT WED JUN 5 2013 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-060800- 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- 355 AM EDT WED JUN 5 2013 /255 AM CDT WED JUN 5 2013/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT... THERE MAY BE SOME BRIEF ISOLATED SEVERE STORMS THIS AFTERNOON...WITH HAIL UP TO QUARTER SIZE AND DAMAGING WINDS IN EXCESS OF 60 MPH. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... A WEAK COLD FRONT WILL APPROACH THE SOUTHERN APPALACHIAN REGION LATER THIS WEEK...AS TROPICAL MOISTURE MOVES NORTHWARD FROM THE GULF OF MEXICO. AS A RESULT...LOCALLY HEAVY RAINFALL LEADING TO THE POTENTIAL FOR FLOODING WILL BE POSSIBLE FROM THURSDAY THROUGH FRIDAY. .SPOTTER INFORMATION STATEMENT... THIS AFTERNOON...THERE MAY BE A BRIEF PERIOD FOR LOCAL SPOTTER ACTIVATION.
In the hours before
Special weather statement, Jun 5, 4:37 PM EDT, 57 minutes before
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</html>Local storm report, Jun 5, 4:56 PM EDT, 38 minutes before
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</html>Special weather statement, Jun 5, 4:59 PM EDT, 35 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 459 PM EDT WED JUN 5 2013 TNZ016-017-042-044-052145- HAWKINS TN-NORTHWEST GREENE TN-SULLIVAN TN-WASHINGTON TN- 459 PM EDT WED JUN 5 2013 ...SIGNIFICANT WEATHER ADVISORY FOR GREENE...EASTERN HAWKINS... WASHINGTON AND WESTERN SULLIVAN COUNTIES UNTIL 545 PM EDT... AT 459 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 11 MILES WEST OF GRAY...OR 13 MILES SOUTHWEST OF KINGSPORT...MOVING NORTH AT 20 MPH. SMALL HAIL AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...KINGSPORT...FALL BRANCH...SULLIVAN GARDENS...CHURCH HILL...MOUNT CARMEL AND BLOOMINGDALE. AMP.23
Local storm report, Jun 5, 5:09 PM EDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
509 PM EDT WED JUN 05 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0245 PM TSTM WND DMG 4 SE SWEETWATER 35.56N 84.42W
06/05/2013 MONROE TN 911 CALL CENTER
A FEW TREES DOWN ACROSS NORTHEN END OF COUNTY
&&Special weather statement, Jun 5, 5:12 PM EDT, 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 512 PM EDT WED JUN 5 2013 TNZ071>074-087-052200- BLOUNT SMOKY MOUNTAINS TN-NORTH SEVIER TN-NW BLOUNT TN-SEVIER SMOKY MOUNTAINS TN-SOUTHEAST MONROE TN- 512 PM EDT WED JUN 5 2013 ...SIGNIFICANT WEATHER ADVISORY FOR BLOUNT...SEVIER AND MONROE COUNTIES UNTIL 600 PM EDT... AT 512 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8 MILES SOUTHEAST OF MARYVILLE...MOVING NORTHEAST AT 15 MPH. SMALL HAIL AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...MARYVILLE...ALCOA... SEVIERVILLE...EAGLETON VILLAGE...CADES COVE...TOWNSEND...WALLAND... WILDWOOD...ELKMONT...SEYMOUR...WEARS VALLEY AND MCMAHAN. AMP.23
Local storm report, Jun 5, 5:16 PM EDT, 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
516 PM EDT WED JUN 05 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0430 PM HAIL 4 NE JEFFERSON CITY 36.16N 83.44W
06/05/2013 E1.00 INCH HAMBLEN TN PUBLIC
ONE INCH HAIL IN TALBOTT
&&The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 2:36 PM EDT | Severe Thunderstorm Warning | MRX | Monroe | 24 min |
| Jun 5, 2:50 PM EDT | Areal Flood Advisory | MRX | Monroe | 115 min |
| Jun 5, 3:37 PM EDT | Areal Flood Advisory | MRX | McMinn | 113 min |
| Jun 5, 3:46 PM EDT | Flash Flood Warning | MRX | Loudon, McMinn, Monroe | 3 hr |
| Jun 5, 4:26 PM EDT | Areal Flood Advisory | MRX | Hamilton | 109 min |
| Jun 5, 4:30 PM EDT | Severe Thunderstorm Warning | MRX | Grainger, Hamblen, Jefferson | 45 min |
| Jun 5, 4:55 PM EDT | Areal Flood Advisory | MRX | Blount, Hamblen, Jefferson, Knox, Sevier | 3 hr |
| Jun 5, 5:30 PM EDT | Severe Thunderstorm Warning | MRX | Grainger, Hancock, Hawkins | 30 min |
| Jun 5, 5:48 PM EDT | Severe Thunderstorm Warning | MRX | Polk | 42 min |
| Jun 5, 5:59 PM EDT | Areal Flood Advisory | MRX | Grainger, Hancock, Hawkins | 3 hr |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2013Every severe thunderstorm warning in 2013
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.