Alert archive / Tennessee / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 28, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at May 18, 2019, 8:38 PM EDT for Hancock County, Tennessee; Lee County, Virginia. It was in force for 29 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 18, 2019, 8:38 PM EDT (00:38 UTC)
- Expired
- May 18, 2019, 9:07 PM EDT
- In force
- 29 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Hancock County, TN, Lee County, VA
The radar
The Knoxville radar (KMRX), 54 km from the middle of the area, began a volume at 00:39 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
Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.6 hours before the alert went out and 318 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
- 598 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1759 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 97 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 May 18, 7:41 PM EDT, 57 minutes earlier.
Area forecast discussion, May 18, 7:41 PM EDT, 57 minutes before
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</html>Hazardous weather outlook, May 18, 3:11 PM EDT, 5 hours 27 minutes before
Hazardous Weather Outlook National Weather Service Morristown TN 311 PM EDT Sat May 18 2019 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-191915- Cherokee-Clay-Scott-Campbell-Claiborne-Hancock-Hawkins-Sullivan- Johnson-Morgan-Anderson-Union-Grainger-Hamblen-Northwest Cocke- Cocke Smoky Mountains-Northwest Greene-Southeast Greene- Washington-Unicoi-Northwest Carter-Southeast Carter-Roane-Loudon- Knox-Jefferson-Northwest 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-Russell- 311 PM EDT Sat May 18 2019 /211 PM CDT Sat May 18 2019/ This Hazardous Weather Outlook is for portions of southwest North Carolina...east Tennessee and southwest Virginia. .DAY ONE...This Afternoon and Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
In the hours before
Special weather statement, May 18, 7:44 PM EDT, 54 minutes before
Special Weather Statement
National Weather Service Morristown TN
744 PM EDT Sat May 18 2019
TNZ039-190030-
Hamblen TN-
744 PM EDT Sat May 18 2019
...SIGNIFICANT WEATHER ADVISORY FOR EASTERN HAMBLEN COUNTY UNTIL 830
PM EDT...
At 744 PM EDT, Doppler radar was tracking a strong thunderstorm near
Morristown, moving northeast at 5 mph.
Pea size hail and winds in excess of 30 mph will be possible with
this storm.
Locations impacted include...
Morristown, Russellville and Lowland.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3631 8315 3624 8308 3619 8314 3617 8319
3614 8318 3613 8320 3615 8322 3613 8322
3613 8327 3621 8333 3629 8325 3628 8323
3630 8323 3629 8322 3632 8320 3632 8317
3633 8318 3635 8316
TIME...MOT...LOC 2344Z 237DEG 5KT 3618 8325
CDGSpecial weather statement, May 18, 7:56 PM EDT, 42 minutes before
Special Weather Statement
National Weather Service Morristown TN
756 PM EDT Sat May 18 2019
TNZ015-016-190045-
Hancock TN-Hawkins TN-
756 PM EDT Sat May 18 2019
...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL HAWKINS AND NORTHEASTERN
HANCOCK COUNTIES UNTIL 845 PM EDT...
At 756 PM EDT, trained weather spotters reported a strong
thunderstorm over Rogersville, moving north at 15 mph.
Half inch hail and winds in excess of 30 mph will be possible with
this storm.
Locations impacted include...
Rogersville, Surgoinsville, Okolona, Kepler, Kyles Ford and McCloud.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3636 8285 3636 8286 3635 8288 3635 8289
3633 8291 3633 8294 3635 8309 3659 8308
3659 8276
TIME...MOT...LOC 2356Z 190DEG 13KT 3641 8297
CDGSpecial weather statement, May 18, 7:59 PM EDT, 39 minutes before
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</html>Local storm report, May 18, 8:10 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
810 PM EDT SAT MAY 18 2019
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0643 PM TSTM WND DMG 1 W KNOXVILLE 35.97N 83.96W
05/18/2019 KNOX TN 911 CALL CENTER
TREE ACROSS ROAD AT THE 100 BLOCK OF
RICHMOND AVENUE.
&&
GARUCKASLocal storm report, May 18, 8:14 PM EDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
814 PM EDT SAT MAY 18 2019
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0631 PM TSTM WND DMG 2 WSW BEARDEN 35.92N 84.04W
05/18/2019 KNOX TN 911 CALL CENTER
TREES DOWN AT THE CORNER OF FOREST HILL
DRIVE AND GLEASON DRIVE.
&&
GARUCKASSpecial weather statement, May 18, 8:28 PM EDT, 10 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 18, 8:28 PM EDT | Special Weather Statement | MRX | Hancock | 47 min |
| May 19, 5:22 PM EDT | Special Weather Statement | MRX | Sullivan | 53 min |
| May 19, 2:59 PM EDT | Special Weather Statement | MRX | Scott | 46 min |
| May 19, 3:15 PM EDT | Special Weather Statement | MRX | Scott, Wise, City of Norton | 45 min |
| May 19, 3:16 PM EDT | Special Weather Statement | MRX | Scott | 44 min |
| May 19, 4:07 PM EDT | Special Weather Statement | MRX | City of Bristol | 53 min |
| May 19, 4:39 PM EDT | Special Weather Statement | MRX | Russell | 51 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2019Severe Thunderstorm Warnings in Virginia, 2019Every severe thunderstorm warning in 2019
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.