Limited severe convection developed ahead of a cold front late in the day in the presence of a 90 knot upper level jet. Non thunderstorm winds occurred ahead of the cold front and a few reports of severe hail were noted with the severe convection along and slightly ahead of the cold front across the area.
Every event with a place to put it; 5 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
The episode as NWS MRX wrote it up.
Limited severe convection developed ahead of a cold front late in the day in the presence of a 90 knot upper level jet. Non thunderstorm winds occurred ahead of the cold front and a few reports of severe hail were noted with the severe convection along and slightly ahead of the cold front across the area.
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 Mar 28, 2:20 AM EST, 2 hours 40 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
320 AM EDT SUN MAR 28 2010
.SHORT TERM (TODAY AND TONIGHT)...SURFACE HIGH PRESSURE HOLDING ITS
OWN EARLY TODAY EAST OF THE APPALACHIANS. LOW PRESSURE MOVES NE
THROUGH OH RVR VLY TODAY. GRADIENT WILL SQUEEZE TODAY UNTIL RIDGE
PULLS NE THIS AFTERNOON. CONDITIONS FAVORABLE FOR MNT WAVE SO UPPED
TN FOOTHILLS AND MNTS TO WARNING. LOW LEVEL JET NEAR 60 MPH WILL BE
FEEDING INTO ADVANCING LINE OF PREFRONTAL THUNDERSTORMS THIS
MORNING. INSTABILITY LACKING BUT MODERATE SHEAR VALUES PRESENT. SOME
CONVECTIVE WIND DAMAGE IS POSSIBLE. CONVECTION WILL MARCH SOLIDLY
ACROSS CWA TODAY. FRONT WILL MOVE THROUGH LATE THIS AFTN/EARLY EVE.
CLOUDY CONDITIONS WILL CONTINUE OVERNIGHT. SCATTERED POST FRONTAL
SHOWERS POSSIBLE TONIGHT. TEMPS MODERATED BY CLOUDS REMAINING ABV
NORMAL TONIGHT.
.LONG TERM (MONDAY THROUGH SATURDAY)...AN UPPER LOW WILL TRACK
THROUGH THE REGION ON MONDAY...CONTINUING A CHANCE OF SHOWERS ACROSS
THE AREA INTO MONDAY NIGHT. BEHIND THE SYSTEM...A STRONG UPPER
RIDGE WILL BUILD IN AND WE WILL MOVE INTO A QUIET WEATHER PATTERN
FOR THE REST OF THE EXTENDED. THE STRONG HIGH WILL BRING PLENTY OF
SUNSHINE...DRY CONDITIONS AND WARM TEMPS...AFTERNOON HIGHS SHOULD
REACH WELL ABOVE NORMAL BY WEEKS END. MODELS BRING THE NEXT SYSTEM
INTO THE REGION DURING THE WEEKEND. CONFIDENCE REMAINS LOW ON
TIMING AND FOR NOW WILL KEEP THINGS DRY ON SATURDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
CHATTANOOGA AIRPORT, TN 60 47 56 40 65 / 90 30 20 10 10
KNOXVILLE MCGHEE TYSON AIRPORT, TN 63 44 54 40 60 / 100 50 20 10 10
OAK RIDGE, TN 62 44 53 39 63 / 100 50 20 10 10
TRI CITIES AIRPORT, TN 61 45 53 37 58 / 100 60 30 20 10
&&
.MRX WATCHES/WARNINGS/ADVISORIES...
NC...WIND ADVISORY UNTIL 3 PM EDT THIS AFTERNOON FOR THE FOLLOWING
ZONES: CHEROKEE...CLAY.
TN...HIGH WIND WARNING UNTIL 3 PM EDT THIS AFTERNOON FOR THE
FOLLOWING ZONES: BLOUNT SMOKY MOUNTAINS...COCKE SMOKY
MOUNTAINS...JOHNSON...NW BLOUNT...NORTH SEVIER...NORTHWEST
CARTER...NORTHWEST COCKE...NORTHWEST GREENE...NORTHWEST
MONROE...SEVIER SMOKY MOUNTAINS...SOUTHEAST CARTER...
SOUTHEAST GREENE...SOUTHEAST MONROE...UNICOI...WASHINGTON
TN.
WIND ADVISORY UNTIL 3 PM EDT /2 PM CDT/ THIS AFTERNOON FOR THE
FOLLOWING ZONES: ANDERSON...BLEDSOE...BRADLEY...CAMPBELL...
CLAIBORNE...EAST POLK...GRAINGER...HAMBLEN...HAMILTON...
HANCOCK...HAWKINS...JEFFERSON...KNOX...LOUDON...MARION...
MCMINN...MEIGS...MORGAN...RHEA...ROANE...SCOTT TN...
SEQUATCHIE...SULLIVAN...UNION...WEST POLK.
VA...WIND ADVISORY UNTIL 3 PM EDT THIS AFTERNOON FOR THE FOLLOWING
ZONES: LEE...RUSSELL...SCOTT...WASHINGTON...WISE.
&&
SON/MJBHAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 511 AM EDT SUN MAR 28 2010 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-290915- 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- 511 AM EDT SUN MAR 28 2010 /411 AM CDT SUN MAR 28 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT STRONG SOUTHERLY WINDS WILL AFFECT THE AREA TODAY. SOME OF THESE WINDS MAY BECOME DAMAGING...DOWNING TREES AND POWER LINES...ESPECIALLY ALONG THE TENNESSEE MOUNTAINS AND WESTERN FOOTHILLS. THUNDERSTORMS WILL ADVANCE ACROSS THE AREA THIS MORNING IN ADVANCE OF A COLD FRONT DUE TO PASS THROUGH THE AREA BY THIS EVENING. SOME OF THESE STORMS MAY PRODUCE DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TODAY.
The Knoxville radar (KMRX), 44 km away, was scanning. The volume nearest the first event began at 22:08 UTC.
5 high wind, 1 hail. Local standard time, as filed.
The wind gust was measured at cove mountain fire tower.
Wind gust was measured at tellico raws site.
The wind gust was measured at the camp creek wind tower.
The wind gust was measured at the English mountain ETOS site.
A 58 mph wind gust was measured at the English Mountain ETOS observational site.
Quarter size hail was reported.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2010Every state in 2010This day in weather historyWarnings in Tennessee, March 2010
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: 221986, 221987, 221988, 221989, 222602, 222597.