Two extreme weather events occurred in Geelong in April. Both were classed as severe storms and both involved high rainfalls, flash flooding, thunder, lightning and strong southwesterly winds.
In fact, the month’s total rainfall of 151 mm resulted in Geelong having the second highest figure ever recorded in April (ie, since 1871).
The first event occurred on the 8th and 9th, when almost 60 mm fell across the city (including 107 mm at Ocean Grove and 106 mm at Drysdale), and the second was on the evening of the 24th when over 50 mm fell in a violent storm across the urban area.
The whole region was well above the monthly average, with urban Geelong 380% above. Geelong’s average April rainfall is 39.8 mm.
Temperatures averaged 20.5 degrees C for maximums and 11.0 C for minimums – a mean of 15.8C. This was 0.7 C above the mean April temperature of 15.1 C. Top temperature was 29.9 C on the 8th and lowest overnight was 6.5 C on the 18th.
Two severe storms with damaging flash flooding (9th and 24th). Two hail days (24th and 26th). Three thunder/lightning days (8th, 9th and 24th). Three strong wind days (9th – 83 kph, 10th – 70 kph and 26th – 61 kph).