Alert archive / Tennessee / Special Weather Statements in 2021
Special Weather Statement, NWS Morristown, TN
NWS Morristown, TN issued this special weather statement at Jul 10, 2021, 1:42 PM EDT for Campbell County, Tennessee. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 10, 2021, 1:42 PM EDT (17:42 UTC)
- Expired
- Jul 10, 2021, 2:15 PM EDT
- In force
- 33 min
- Issued by
- NWS Morristown, TN
County Campbell County, TN
The radar
The Knoxville radar (KMRX), 80 km from the middle of the area, began a volume at 17:45 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
Nashville Metro, TN (KBNA), launched 12:00Z, 5.7 hours before the alert went out and 221 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
- 1536 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 721 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jul 10, 1:28 PM EDT, 14 minutes earlier.
Area forecast discussion, Jul 10, 1:28 PM EDT, 14 minutes before
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</html>Hazardous weather outlook, Jul 10, 3:26 AM EDT, 10 hours 16 minutes before
Hazardous Weather Outlook National Weather Service Morristown TN 326 AM EDT Sat Jul 10 2021 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-110730- 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- 326 AM EDT Sat Jul 10 2021 /226 AM CDT Sat Jul 10 2021/ This Hazardous Weather Outlook is for portions of southwest North Carolina...east Tennessee and southwest Virginia. .DAY ONE...Today and Tonight An isolated strong-to-severe storm is possible this afternoon along with the possiblity of isolated flash flooding. .DAYS TWO THROUGH SEVEN...Sunday through Friday Showers and thunderstorms on Sunday, Monday, and Tuesday will have the potential to produce heavy rainfall, which may cause localized flooding. .SPOTTER INFORMATION STATEMENT... Spotter activation is not needed at this time.
In the hours before
Special weather statement, Jul 10, 11:41 AM EDT, 2 hours 1 minute before
Special Weather Statement National Weather Service Morristown TN 1141 AM EDT Sat Jul 10 2021 TNZ067-068-084>086-101615- Northwest Monroe TN-Roane TN-Loudon TN-Meigs TN-McMinn TN- 1141 AM EDT Sat Jul 10 2021 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN LOUDON... NORTHEASTERN MEIGS...NORTHEASTERN MCMINN...NORTHWESTERN MONROE AND SOUTHWESTERN ROANE COUNTIES UNTIL 1215 PM EDT... At 1140 AM EDT, Doppler radar was tracking a strong thunderstorm near Sweetwater, moving east at 20 mph. Winds in excess of 40 mph will be possible with this storm. Locations impacted include... Sweetwater, Madisonville, Niota, Philadelphia, Murray Store and Ten Mile. 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. && LAT...LON 3551 8468 3571 8467 3570 8433 3545 8435 TIME...MOT...LOC 1540Z 275DEG 17KT 3559 8452 BW
Special weather statement, Jul 10, 11:59 AM EDT, 1 hour 43 minutes before
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</html>Special weather statement, Jul 10, 1:04 PM EDT, 38 minutes before
Special Weather Statement
National Weather Service Morristown TN
104 PM EDT Sat Jul 10 2021
TNZ072-087-101730-
Blount Smoky Mountains TN-Southeast Monroe TN-
104 PM EDT Sat Jul 10 2021
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN BLOUNT AND EAST
CENTRAL MONROE COUNTIES UNTIL 130 PM EDT...
At 103 PM EDT, Doppler radar was tracking a strong thunderstorm near
Smoky Mountains-Twentymile Creek, or 13 miles northwest of
Robbinsville, moving east at 20 mph.
Half inch hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Smoky Mountains-Twentymile Creek, Smoky Mountains-Fontana Area and
Deals Gap.
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.
&&
LAT...LON 3543 8409 3549 8408 3551 8405 3557 8399
3558 8374 3556 8374 3556 8377 3552 8383
3552 8388 3547 8392 3547 8394 3545 8397
3541 8402
TIME...MOT...LOC 1703Z 273DEG 18KT 3548 8396
BWSpecial weather statement, Jul 10, 1:13 PM EDT, 29 minutes before
Special Weather Statement National Weather Service Morristown TN 113 PM EDT Sat Jul 10 2021 TNZ012-013-101745- Scott TN-Campbell TN- 113 PM EDT Sat Jul 10 2021 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CAMPBELL AND NORTHEASTERN SCOTT COUNTIES UNTIL 145 PM EDT... At 113 PM EDT, Doppler radar was tracking a strong thunderstorm 9 miles east of Huntsville, or 10 miles southeast of Oneida, moving east at 20 mph. Half inch hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... La Follette, Jacksboro, Huntsville, Jellico, Caryville, Winfield, Elk Valley and Royal Blue. 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. && LAT...LON 3639 8446 3653 8446 3657 8413 3633 8414 TIME...MOT...LOC 1713Z 273DEG 18KT 3644 8434 BW
Special weather statement, Jul 10, 1:42 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Morristown TN
142 PM EDT Sat Jul 10 2021
TNZ013-101815-
Campbell TN-
142 PM EDT Sat Jul 10 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN CAMPBELL COUNTY UNTIL
215 PM EDT...
At 142 PM EDT, Doppler radar was tracking a strong thunderstorm near
Lot, or 10 miles north of La Follette, moving east at 20 mph.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
Jellico, White Oak, Elk Valley, Indian Mountain State Park and
Fincastle.
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.
&&
LAT...LON 3659 8399 3654 8398 3650 8395 3641 8397
3644 8434 3645 8435 3650 8433 3651 8433
3650 8428 3651 8426 3653 8426 3653 8425
3659 8426
TIME...MOT...LOC 1742Z 269DEG 17KT 3653 8412
BWThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 11:03 AM EDT | Special Weather Statement | MRX | Meigs | 42 min |
| Jul 10, 11:36 AM EDT | Special Weather Statement | MRX | McMinn | 24 min |
| Jul 10, 11:41 AM EDT | Special Weather Statement | MRX | McMinn | 34 min |
| Jul 10, 11:59 AM EDT | Special Weather Statement | MRX | McMinn | 31 min |
| Jul 10, 12:26 PM EDT | Special Weather Statement | MRX | McMinn | 49 min |
| Jul 10, 1:13 PM EDT | Special Weather Statement | MRX | Campbell | 32 min |
| Jul 10, 3:17 PM EDT | Special Weather Statement | MRX | Hancock | 43 min |
| Jul 10, 3:57 PM EDT | Special Weather Statement | MRX | Hancock, Hawkins | 48 min |
| Jul 10, 5:16 PM EDT | Special Weather Statement | MRX | Anderson | 44 min |
| Jul 10, 5:33 PM EDT | Areal Flood Advisory | MRX | Anderson, Morgan, Roane | 3 hr |
| Jul 10, 7:00 PM EDT | Special Weather Statement | MRX | Johnson | 45 min |
| Jul 10, 1:04 PM EDT | Special Weather Statement | MRX | Graham | 26 min |
Nearby
Special Weather Statements in Tennessee, 2021Every special weather statement in 2021
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.