Summary of Significant Severe Thunderstorm Events in NSW -
30 March 2003
Wind gusts in excess of 100 km/h were reported near Evans Head at 5:30pm. A report of hailstones large enough to damage car windscreens was received from Tullymorgan [NW of Maclean] and another indicated that some trees had been uprooted and lay over the Pacific Highway near Tabbimoble.
22 February 2003
Torrential rain in the hills near Tamworth caused flash flooding. Walls of water rushed through the Tamworth CBD flooding businesses and homes and washing away roads. The SES respoded to more than 300 calls for assistance when more than 40 homes affected. Some district rainfalls (24 hrs to 9am 22nd) include 77.2mm at Wellington and 54.6mm at Dubbo (Mentone). At nearby Upper Horton 153 mm was recorded, the wettest day on record for that site. Five day rainfall totals (20th to 24th) included 281mm at Upper Horton and 238mm at Bingara Post Office.
21-22 February 2003
Flash flooding in Mudgee
Flash flooding occurred in the Mudgee area after 118mm fell in 6 hours. This was Mudgee's wettest day on record for any month.
24 December 2002
Violent thunderstorm at Lismore
Violent rain and very strong winds caused flash flooding and damage to homes and trees in Lismore.
10 December 2002
Torrential rain and strong winds unroofed houses, damaged buildings, caravans and downed trees in the Ballina and Alstonville area.
The SES received 30 calls for assistance in the Tweed area.
13 October 2002
Tornado at Niangala
A tornado destroyed 2 houses in Niangala on the North West Slopes and damaged hundreds of trees. Hail up to 6cm was reported from nearby Walcha on the Northern Tablelands.