Thunderstorm Wind, Union
- When
- May 21, 4:48 PM EST
- Where
- Union County, 5 mi NW of Maynardville
- Crop damage
- $2,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.300, -83.867
Several large limbs down on a road in northern part of county.
Damaging Wind in Tennessee, May 21, 2001
1 thunderstorm wind, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- $2,000
- Events
- 1
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What forecasters said that day
The local office's own words before the first event, 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 the first event at May 21, 2:16 PM EST, 2 hours 32 minutes earlier.
Area forecast discussion, May 21, 2:16 PM EST, 2 hours 32 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 316 PM EDT MON MAY 21 2001 COLD FRONT ACROSS EASTERN IL...MO BOOTHEEL AND INTO CENTRAL AR. UPPER SHORTWAVE TRIGGERING FAIRLY STRONG BAND OF THUNDERSTORMS OVER NORTHEAST ZONES WHERE WE HAD SOME CLEARING EARLIER...BUT IT'S MOVED TO THE EAST. JUST SOME ISOLATED SHOWERS REMAINING....WITH ANOTHER BAND NEARING THE PLATEAU. ALL MODELS IN GOOD AGREEMENT ON BRINGING A DEEP TROUGH AND COLD FRONT THROUGH OUR AREA TONIGHT. GOOD LIFT AND MOISTURE ASSOCIATED WITH IT. PW'S ALSO ABOVE 1.5 INCHES...MAY SEE SOME MUCH NEEDED MODERATE OR HEAVY RAIN. WILL KEEP THE CATEGORICAL POPS FOR TONIGHT. STILL UNSTABLE THROUGH TONIGHT... SO THUNDERSTORMS THAT FORM AHEAD OF THE FRONT WILL MAINTAIN INTO OUR AREA. SINCE FROPA IS TOWARDS MORNING...DON'T THINK WE'LL SEE MANY SEVERE STORMS. FRONT THROUGH THE AREA TOMORROW MORNING...BUT STILL STRONG LIFT AND GOOD MOISTURE LINGERING BEHIND THE FRONT...AHEAD OF THE UPPER TROUGH. WILL KEEP CATEGORICAL POPS FOR THE MORNING...THEN SCATTERED IT OUT IN THE AFTERNOON...WITH COOL AND DRY AIR PUSHING IN BEHIND THE FRONT FOR TUESDAY NIGHT. BELOW NORMAL TEMPERATURES LINGER THROUGH THE REMAINDER OF THE PERIOD. THE NEXT CHANCE OF RAIN ON WEDNESDAY NIGHT WITH ANOTHER TROUGH MOVING IN. CHA 65 70 50 71 / 100 80 0 10 TYS 63 68 49 69 / 100 90 0 10 TRI 61 66 46 67 / 100 90 0 10 OQT 63 68 49 69r / 100 90 0 10 .MRX... NC...NONE. TN...NONE. VA...NONE. GH
In the hours before
Special weather statement, May 21, 2:42 PM EST, 2 hours 6 minutes before
NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-005- 006-008-220800- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 342 PM EDT MON MAY 21 2001 ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS EVENING AND OVERNIGHT ACROSS SOUTHWEST VIRGINIA...EAST TENNESSEE...AND SOUTHWEST NORTH CAROLINA... A STRONG COLD FRONT WILL MOVE ACROSS THE AREA TONIGHT. WITH THE UNSTABLE ATMOSPHERE...AND ABUNDANT MOISTURE AROUND...THUNDERSTORMS ARE EXPECTED TO FORM AHEAD OF IT. THERE IS A RISK THAT SOME OF THE STORMS MAY BECOME STRONG OR SEVERE THIS EVENING AND OVERNIGHT. THE MAIN THREAT FROM THESE STORMS...WILL BE DAMAGING STRAIGHT LINE WINDS IN EXCESS OF 50 MPH. ISOLATED OCCURRENCES OF HAIL OF DIME SIZE OR LARGER WILL ALSO BE POSSIBLE. SOME LOCALLY HEAVY RAINS CAN ALSO BE EXPECTED WITH THE STRONGER STORMS...POSSIBLY CAUSING MINOR FLASH FLOODING OF LOW LYING OR FLOOD PRONE AREAS. SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT. EMERGENCY MANAGEMENT AND LAW ENFORCEMENT OFFICIALS SHOULD CLOSELY MONITOR WEATHER DEVELOPMENTS. STAY TUNED TO THIS STATION FOR UPDATED STATEMENTS AND FORECASTS FROM YOUR NATIONAL WEATHER SERVICE. GH
The radar
The Knoxville radar (KMRX), 44 km away, was scanning. The volume nearest the first event began at 21:49 UTC.
Event by event
1 thunderstorm wind. Local standard time, as filed.
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Damaging Wind in Michigan, May 21, 2001
- Tornadoes in Michigan, May 21, 2001
- Tornadoes and Flash Flooding in Ohio, May 21, 2001
- Tornado and Flash Flooding in Ohio, May 21 to 22, 2001
- Flooding in Iowa, May 21 to 28, 2001
- Tornadoes and Hail in Texas, May 21, 2001
- Tornado and Damaging Winds in West Virginia, May 21, 2001
- Dense Fog in Virginia, May 21, 2001
- Damaging Wind in Mississippi, May 21, 2001
- Lightning Strike in Wisconsin, May 21, 2001
- Damaging Wind in Kentucky, May 21, 2001
- Damaging Wind in Tennessee, May 21, 2001
More
Every storm in Tennessee in 2001Every state in 2001This day in weather historyWarnings in Tennessee, May 2001
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5243599.