Alert archive / Tennessee / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 80, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Jun 19, 2015, 5:49 PM EDT for Greene 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 19, 2015, 5:49 PM EDT (21:49 UTC)
- Expired
- Jun 19, 2015, 6:30 PM EDT
- In force
- 41 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Greene County, TN
The radar
The Knoxville radar (KMRX), 50 km from the middle of the area, began a volume at 21:51 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, 9.8 hours before the alert went out and 265 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
- 32 J/kg
- Mixed-layer CIN
- -222 J/kg
- Mixed-layer LCL
- 1354 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 43 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 19, 3:40 PM EDT, 2 hours 9 minutes earlier.
Area forecast discussion, Jun 19, 3:40 PM EDT, 2 hours 9 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 340 PM EDT FRI JUN 19 2015 .SHORT TERM...(TONIGHT THROUGH SUNDAY)...THE CIRCULATION FROM THE REMNANTS OF BILL CONTINUE TO MOVE NORTHEAST INTO THE MID MS AND LOWER TN VALLEYS THIS AFTERNOON. MOISTURE IS BEING DRAWN INTO THE FORECAST AREA WITH SCATTERED SHOWERS AND AND ONLY A FEW THUNDERSTORMS...SOME STRONG MAINLY OVER CENTRAL EAST TN AND SOUTHWEST VIRGINIA. TEMPERATURES HAVE FLUCTUATED WIDELY WITH THE STORMS. OUTSIDE OF STORMS HIGHS HAVE REACHED THE LOWER TO MID 80S NORTH AND UPPER 80S AND A FEW LOWER 90S CENTRAL AND SOUTH. COVERAGE OF PRECIPITATION SEEMS TO HAVE ACTUALLY INCREASED NORTH AND WEST AND DECREASED OVER THE FORECAST AREA THE LAST COUPLE HOURS. EXPECT ACTIVITY TO POSSIBLY INCREASE AGIN THE NEXT FEW HOURS BUT DECREASE WITH THE HEATING OF THE DAY. SHORT RANGE MODELS THEN SHOW ACTIVITY INCREASE AGAIN LATE TONIGHT OR EARLY SATURDAY AROUND 9-12Z AS LEFTOVER CIRCULATION OF BILL MOVES INTO CENTRAL KY INTO MIDDLE TN. WILL DECREASE PRECIPITATION TO SLIGHT CHANCE LATER TONIGHT AND THEN INCREASE POPS AGAIN AROUND SUNRISE. WILL HAVE LIKELY TO CATEGORICAL POPS SATURDAY FOR MOST OF THE AREA. ALSO MOST HIGHS WILL BE IN THE 80S WITH INCREASED CLOUD COVER. AS CIRCULATION FROM BILL MOVES FASTER TO THE EAST SATURDAY NIGHT WILL DECREASE POPS FROM SW TO NE. SUNDAY LOOKS SEVERAL DEGREES WARMER AS CIRCULATION SHIFTS NE AND UPPER LEVEL RIDGING TRIES TO BUILD BACK IN FROM THE SOUTH AND WEST. WENT A LITTLE ABOVE GUIDANCE SUNDAY WITH SLIGHT CHANCE SOUTH AND CHANCE NORTH. HEAT INDEX VALUES WILL CREEP BACK UP TO THE LOWER TO MID 90S NORTH AND THE MID TO UPPER 90S SOUTH. RAINFALL AMOUNTS MAY REACH FROM AROUND ONE TO TWO INCHES SATURDAY WHICH COULD CAUSE SOME LOCALIZED FLOODING. .LONG TERM...(SUNDAY NIGHT THROUGH FRIDAY)... LONG TERM BEGINS WITH THE REMNANTS OF TROPICAL DEPRESSION BILL CONTINUING TO MOVE NORTHEAST ALONG THE ATLANTIC COAST OF THE UNITED STATES. THEN BEGINS A SUMMER-LIKE PATTERN THAT INVOLVES ISOLATED AFTERNOON/EVENING THUNDERSTORM CHANCES, AND HOT TEMPERATURES ACROSS THE AREA. MODERATE RIDGE SETS UP OVER THE SOUTHEASTERN UNITED STATES AND TRAPS HOT TEMPS AND RELATIVELY HUMID AIR OVER THE AREA. THIS WILL LEAD TO HIGHS IN THE MID TO EVEN UPPER 90'S ACROSS THE AREA. FORECAST CALLS FOR THE HOTTEST DAY TO COME ON WEDNESDAY WITH FORECAST HIGHS ACROSS THE AREA TO RANGE FROM 90 TO NEAR TRIPLE DIGITS. THE RELATIVELY HUMID AIR WILL CAUSE HEAT INDEX VALUES TO RISE TO ALMOST TRIPLE DIGITS MOST DAYS THIS UPCOMING WORK WEEK. SOME PLACES WILL GET LUCKY TO SEE A ROGUE AFTERNOON THUNDERSTORM POP UP TO HELP THEM COOL OFF, BUT MOST WILL BE LEFT HOT AND DRY. HOPEFULLY SOME RELIEF WILL BE IN STORE AT THE VERY END OF THE 7-DAY FORECAST AS A FRONT IS SLATED TO MOVE INTO THE VICINITY AND HOPEFULLY BRING IN INCREASED RAIN CHANCES AND COOLER TEMPERATURES. SINCE THIS IS STILL WELL OFF IN THE FORECAST, THE MODELS HAVE NOT COME INTO GREAT AGREEMENT WITH LOCATION OF FRONT AND BEST PRECIPITATION CHANCES. FINGERS CROSSED FOR COOLER AND WETTER WEATHER TO MOVE IN SOMETIME NEXT WEEKEND. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 73 90 73 95 / 40 60 20 20 KNOXVILLE MCGHEE TYSON AIRPORT, TN 71 87 71 93 / 30 70 50 20 OAK RIDGE, TN 71 87 71 93 / 40 70 60 20 TRI CITIES AIRPORT, TN 67 86 67 89 / 30 70 60 20 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && TD/ABM
Hazardous weather outlook, Jun 19, 3:47 PM EDT, 2 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE MORRISTOWN TN 347 PM EDT FRI JUN 19 2015 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-202000- 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- 347 PM EDT FRI JUN 19 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA. .DAY ONE...THIS AFTERNOON AND TONIGHT... SCATTERED THUNDERSTORMS ARE EXPECTED TROUGH THIS EVENING. A FEW STORMS MAY BECOME STRONG TO SEVERE WITH THE MAIN THREATS BEING WIND GUSTS OF 40 TO 60 MPH...AS WELL AS PEA TO QUARTER SIZED HAIL WITH THE STRONGEST STORMS. LOCALLY HEAVY RAINFALL IS POSSIBLE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... COVERAGE OF SHOWERS AND THUNDERSTORMS IS EXPECTED TO INCREASE SATURDAY MORNING AND THROUGH THE EVENING HOURS. A FEW STORMS MAY BECOME STRONG TO SEVERE WITH THE PRIMARY THREATS BEING STRONG WINDS...MODERATE HAIL...AND TORRENTIAL DOWNPOURS LEADING TO LOCALIZED FLOODING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED AT TONIGHT THROUGH SATURDAY NIGHT. TD
In the hours before
Special weather statement, Jun 19, 4:18 PM EDT, 1 hour 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
418 PM EDT FRI JUN 19 2015
TNZ035-067-192100-
ROANE TN-MORGAN TN-
418 PM EDT FRI JUN 19 2015
SIGNIFICANT WEATHER ADVISORY FOR ROANE...AND MORGAN COUNTIES UNTIL
500 PM EDT...
AT 417 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
ROCKWOOD...MOVING EAST AT 10 MPH.
WINDS IN EXCESS OF 40 MPH AND PEA SIZED HAIL WILL BE POSSIBLE WITH
THIS STORM.
LOCATIONS IMPACTED INCLUDE...KINGSTON...ROCKWOOD...OLIVER
SPRINGS...MIDTOWN... HARRIMAN...OAKDALE...FROZEN HEAD
S.P....COALFIELD...DEARMOND...PETROS AND PINE ORCHARD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO LOCALIZED FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH
FLOODED ROADWAYS.
&&
LAT...LON 3590 8469 3591 8468 3598 8471 3602 8474
3615 8445 3614 8445 3613 8443 3611 8442
3610 8438 3605 8434 3599 8432 3591 8427
3586 8467
TIME...MOT...LOC 2017Z 251DEG 9KT 3595 8463
AMP.23Special weather statement, Jun 19, 4:21 PM EDT, 1 hour 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
421 PM EDT FRI JUN 19 2015
VAZ006-192100-
RUSSELL VA-
421 PM EDT FRI JUN 19 2015
SIGNIFICANT WEATHER ADVISORY FOR RUSSELL COUNTY UNTIL 500 PM EDT...
AT 420 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
CLEVELAND VA...OR NEAR LEBANON...MOVING EAST AT 30 MPH.
DIME SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.
LOCATIONS IMPACTED INCLUDE...
LEBANON...CLEVELAND VA...HONAKER...ST. PAUL...ROSEDALE...DYE AND
CASTLEWOOD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO LOCALIZED FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH
FLOODED ROADWAYS.
&&
LAT...LON 3704 8182 3696 8178 3695 8182 3689 8189
3687 8194 3688 8198 3686 8204 3689 8235
3690 8232 3691 8232 3691 8230 3697 8233
3700 8229 3699 8226 3704 8217 3705 8204
3708 8202 3709 8186
TIME...MOT...LOC 2020Z 270DEG 25KT 3697 8215
AMP.23Special weather statement, Jun 19, 4:33 PM EDT, 1 hour 16 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 |
|---|---|---|---|---|
| Jun 18, 8:04 PM EDT | Severe Thunderstorm Warning | MRX | Blount, Knox, Sevier | 41 min |
| Jun 18, 8:22 PM EDT | Severe Thunderstorm Warning | MRX | Cocke, Greene, Hamblen, Jefferson | 23 min |
| Jun 18, 8:38 PM EDT | Special Weather Statement | MRX | Sevier | 37 min |
| Jun 18, 8:44 PM EDT | Special Weather Statement | MRX | Hamblen, Jefferson | 46 min |
| Jun 18, 8:47 PM EDT | Special Weather Statement | MRX | Greene | 43 min |
| Jun 18, 8:56 PM EDT | Severe Thunderstorm Warning | MRX | Cocke, Grainger, Greene, Hamblen, Jefferson | 49 min |
| Jun 18, 9:36 PM EDT | Special Weather Statement | MRX | Hawkins | 39 min |
| Jun 18, 9:39 PM EDT | Severe Thunderstorm Warning | MRX | Greene, Hamblen, Hawkins | 51 min |
| Jun 18, 10:30 PM EDT | Special Weather Statement | MRX | Sullivan | 45 min |
| Jun 18, 11:14 PM EDT | Special Weather Statement | MRX | Sullivan | 46 min |
| Jun 19, 2:37 AM EDT | Special Weather Statement | MRX | Campbell | 38 min |
| Jun 19, 3:11 AM EDT | Special Weather Statement | MRX | Campbell | 49 min |
| Jun 19, 11:48 AM EDT | Special Weather Statement | MRX | Bradley, Hamilton | 42 min |
| Jun 19, 12:21 PM EDT | Special Weather Statement | MRX | Rhea | 39 min |
| Jun 19, 12:26 PM EDT | Special Weather Statement | MRX | Bradley | 34 min |
| Jun 19, 12:42 PM EDT | Special Weather Statement | MRX | Morgan | 33 min |
| Jun 19, 12:47 PM EDT | Severe Thunderstorm Warning | MRX | Bradley, McMinn, Polk | 43 min |
| Jun 19, 12:58 PM EDT | Special Weather Statement | MRX | Rhea | 32 min |
| Jun 19, 1:28 PM EDT | Special Weather Statement | MRX | McMinn | 47 min |
| Jun 19, 1:45 PM EDT | Special Weather Statement | MRX | Scott | 45 min |
| Jun 19, 2:21 PM EDT | Special Weather Statement | MRX | Anderson | 24 min |
| Jun 19, 2:38 PM EDT | Special Weather Statement | MRX | Knox | 37 min |
| Jun 19, 3:05 PM EDT | Special Weather Statement | MRX | Union | 40 min |
| Jun 19, 3:40 PM EDT | Special Weather Statement | MRX | Grainger, Union | 35 min |
| Jun 19, 4:18 PM EDT | Special Weather Statement | MRX | Roane | 42 min |
| Jun 19, 5:06 PM EDT | Special Weather Statement | MRX | Blount | 39 min |
| Jun 19, 5:12 PM EDT | Special Weather Statement | MRX | Greene | 48 min |
| Jun 19, 6:06 PM EDT | Special Weather Statement | MRX | Sevier | 39 min |
| Jun 19, 6:22 PM EDT | Special Weather Statement | MRX | Washington | 38 min |
| Jun 19, 6:33 PM EDT | Severe Thunderstorm Warning | MRX | Cocke, Jefferson, Sevier | 42 min |
| Jun 19, 6:40 PM EDT | Special Weather Statement | MRX | Scott | 50 min |
| Jun 19, 7:45 PM EDT | Special Weather Statement | MRX | Campbell | 45 min |
| Jun 18, 8:50 PM EDT | Special Weather Statement | MRX | Washington | 40 min |
| Jun 19, 4:21 PM EDT | Special Weather Statement | MRX | Russell | 39 min |
| Jun 19, 4:33 PM EDT | Special Weather Statement | MRX | City of Norton | 42 min |
| Jun 19, 5:15 PM EDT | Special Weather Statement | MRX | Washington | 45 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2015Every severe thunderstorm warning in 2015
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.