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Home Return to list Severe Thunderstorm Warning 0021 Issued by the Morristown / Knoxville Forecast Office
Action: New Issued At: 2026-03-21 16:09:13
258
WUUS54 KMRX 212108
SVRMRX
TNC025-057-063-089-173-212200-
/O.NEW.KMRX.SV.W.0021.260321T2108Z-260321T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Morristown TN
508 PM EDT Sat Mar 21 2026
The National Weather Service in Morristown has issued a
* Severe Thunderstorm Warning for...
South central Claiborne County in east Tennessee...
North central Jefferson County in east Tennessee...
Central Grainger County in east Tennessee...
East central Union County in east Tennessee...
West central Hamblen County in east Tennessee...
* Until 600 PM EDT.
* At 508 PM EDT, a severe thunderstorm was located 7 miles northwest
of Rutledge, moving southeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Jefferson City, Rutledge, Lone Mountain, Panther Creek State Park,
Joppa, Buffalo Springs, and Sandlick.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3630 8376 3642 8368 3631 8332 3612 8347
TIME...MOT...LOC 2108Z 300DEG 23KT 3633 8364
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
SR
Action: Continued Issued At: 2026-03-21 16:26:29
733
WWUS54 KMRX 212126
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
526 PM EDT Sat Mar 21 2026
TNC025-173-212135-
/O.CAN.KMRX.SV.W.0021.000000T0000Z-260321T2200Z/
Claiborne TN-Union TN-
526 PM EDT Sat Mar 21 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CLAIBORNE AND
EAST CENTRAL UNION COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
&&
LAT...LON 3631 8332 3612 8347 3625 8368 3636 8360
3635 8357
TIME...MOT...LOC 2125Z 300DEG 23KT 3627 8352
$$
TNC057-063-089-212200-
/O.CON.KMRX.SV.W.0021.000000T0000Z-260321T2200Z/
Jefferson TN-Grainger TN-Hamblen TN-
526 PM EDT Sat Mar 21 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTH CENTRAL JEFFERSON...CENTRAL GRAINGER AND WEST CENTRAL
HAMBLEN COUNTIES...
At 525 PM EDT, a severe thunderstorm was located over Rutledge,
moving southeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Jefferson City, Rutledge, Joppa, Buffalo Springs, and Panther Creek
State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3631 8332 3612 8347 3625 8368 3636 8360
3635 8357
TIME...MOT...LOC 2125Z 300DEG 23KT 3627 8352
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
SR
Action: Cancelled Issued At: 2026-03-21 16:26:29
733
WWUS54 KMRX 212126
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
526 PM EDT Sat Mar 21 2026
TNC025-173-212135-
/O.CAN.KMRX.SV.W.0021.000000T0000Z-260321T2200Z/
Claiborne TN-Union TN-
526 PM EDT Sat Mar 21 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CLAIBORNE AND
EAST CENTRAL UNION COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
&&
LAT...LON 3631 8332 3612 8347 3625 8368 3636 8360
3635 8357
TIME...MOT...LOC 2125Z 300DEG 23KT 3627 8352
$$
TNC057-063-089-212200-
/O.CON.KMRX.SV.W.0021.000000T0000Z-260321T2200Z/
Jefferson TN-Grainger TN-Hamblen TN-
526 PM EDT Sat Mar 21 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTH CENTRAL JEFFERSON...CENTRAL GRAINGER AND WEST CENTRAL
HAMBLEN COUNTIES...
At 525 PM EDT, a severe thunderstorm was located over Rutledge,
moving southeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Jefferson City, Rutledge, Joppa, Buffalo Springs, and Panther Creek
State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3631 8332 3612 8347 3625 8368 3636 8360
3635 8357
TIME...MOT...LOC 2125Z 300DEG 23KT 3627 8352
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
SR
Action: Cancelled Issued At: 2026-03-21 16:47:59
423
WWUS54 KMRX 212147
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
547 PM EDT Sat Mar 21 2026
TNC057-063-089-212157-
/O.CAN.KMRX.SV.W.0021.000000T0000Z-260321T2200Z/
Jefferson TN-Grainger TN-Hamblen TN-
547 PM EDT Sat Mar 21 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL JEFFERSON...
CENTRAL GRAINGER AND WEST CENTRAL HAMBLEN COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However, small hail and
gusty winds are still possible with this thunderstorm.
&&
LAT...LON 3631 8332 3612 8347 3625 8368 3636 8360
3635 8357
TIME...MOT...LOC 2142Z 300DEG 23KT 3620 8337
$$
SR
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