| 1998-03-31 | Early spring warm episode sent temperatures in the 80s in later March 1998. Some record highs were set. The event ended with a severe weather event on 1 April 1998. |
| 1998-04-01 | Severe weather event of 1 April 1998 which ended the early season heat epsisode. |
| 1998-06-02 | Severe weather and tornado event of 2 June 1998. A day of many supercells and an F3 tornado in Somerset County. |
| 1998-05-31 | Severe weather and tornado event of 31 May 1998. A day of many supercells and an F2 tornado. Radar loops and storm maps included. |