March 24

A rare 30 yard wide F0 tornado formed in Hawaii at 6:55 PM, doing $60,000 in damage.

April 24

An F4 tornado touched down in Missouri, killing nobody.

April 27–28

This fairly large tornado outbreak killed 6 people and inflicted ≥$224 million (2002 USD) of damage to the states of Illinois, Indiana, Kentucky, Maryland, New York, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia, Iowa, Kansas, Missouri, and Nebraska. It caused some hail damage to crops and houses as well.

May 5

34 tornadoes touchdown in US, including 19 in Texas. Three tornadoes were rated F2, including a dust filled wedge tornado that struck Happy, Texas and a killer tornado.^[5]

May 7

21 tornadoes were reported, including 17 in Kansas, with three of the tornadoes reached F3 intensity. A long-tracked F2 tornado also prompted a tornado emergency in Pratt, Kansas, but there were no fatalities.^[6][7]

May 20 (Hong Kong)

A weak tornado struck Hong Kong International Airport.^[8]

June 23

A localized outbreak of eight tornadoes struck the Dakotas over a period of only 93 minutes. One supercell thunderstorm spawned six tornadoes in Brown County, South Dakota. One was an F3 tornado that destroyed at least one home. Another was an F4 tornado that occurred four miles east of Barnard, South Dakota and destroyed a pheasant farm. There were no deaths or significant injuries with the storm. The storm was documented by at least one storm chasing team, and was featured on an episode of The Weather Channel's "Storm Stories."^[9]

July 28

A brief F1 tornado impacted Mottville, New York, which caused $2 million (2002 USD) in damage.^[10]

August 1

During the first day of August, four tornadoes were confirmed across lower Michigan, including two F1 tornadoes, the first one traveled a mile from the lakeshore in Boyne City, causing significant damage to The Landings Condos and uprooting trees across the town.^[11] The final one was half a mile wide and traveled 6 and a half miles, hitting Tustin in the early evening hours of August 1.^[12]

August 11

An F4 tornado touched down in North Dakota, injuring or killing nobody.

September 2

At approximately 4:20 PM CDT, an F3 tornado tore through the town of Ladysmith, Wisconsin, causing $25 million in damage. 27 people were injured but nobody was killed. The twister had a path of 16 miles, and was one of six to touchdown in Wisconsin that day.

September 8

An F2 tornado struck Manti, Utah; a small town located 8.5 miles from the geographical center of the state, and at 5,600 feet of elevation. The tornado touched down outside of town at about 1:49pm, and within 2 minutes it had entered the southwest corner of town. On a northeasterly path, it traversed the southern half of town and exited on the east. After crossing an empty field, it was met by the east mountain which rises 4,000 feet above the valley floor. It continued approximately halfway up the face of the mountain, before becoming disorganized and roping out. It caused significant damage to several houses, destroying one completely. Other damages include; a lumber store; uprooted trees, some of which were large; camping trailers, a semi-trailer; and downed power poles. Resulting in damages of $2,000,000. No one was killed, or injured.

September 20

An F3 tornado in Indiana became one of the longest tracked tornadoes in the state's history after it formed along a squall line and tracked 112 miles from near Ellettsville in Monroe County to northeast of Hartford City in Blackford County. A tornado emergency was issued for Marion County as the tornado passed very close to Indianapolis. The tornado injured 127 people, but none were killed.^[13]

November 9–11

The Veterans Day outbreak was an unseasonably strong and destructive severe weather event that spawned 83 tornadoes in 36 hours across a widespread swath in the Central and Eastern United States. It was the second largest tornado outbreak on record in November and also among the deadliest, killing 36 people.

December 17–19

A severe weather event spawned 48 tornadoes across a widespread swath in the Central and southern United States. On December 17, a long-track F2 tornado killed 2 people and also badly damaged the Lucky Lady Trailer Park near Springfield, MO.^[14] Tornadic activity peaked on December 18 when 39 tornadoes occurred, including an F3 tornado that passed near the town of Hamlet and destroyed several permanent and mobile homes, resulting in a fatality.^[15] Tornadic activity concluded on the 19th with 6 tornadoes, including an F2 tornado in Mississippi which resulted in no casualties.^[16]

December 23–24

An unseasonably strong severe weather event spawned 48 weak tornadoes in 43 hours across a widespread swath in the Southern United States.

December 30–January 1, 2003

A line of storms spawned 13 tornadoes.