Extreme Storms

Floods · Rain

Tropical Cyclone Maps Section Updated, and Heavy Rain and Floods

· by Michael Bath

I’ve pretty much finished my project to revamp the Tropical Cyclones section on ASW. I guess it is Version 4 !!

This all started back in 1987 when I first plotted BoM dataset maps on paper – thanks to inspiration from a couple of big NE NSW floods. In 1996 I scanned those and put them on the early version of Australia Severe Weather website.

I found some basic TC plotting software and for the next several years that’s what I’ve used. Despite searching around the net I never found another suitable and/or better program which included the Australian region and all the best track databases. Latter versions of the program made plotting even more painful.

Then three weeks ago I had an idea to try using Google Maps. Anyway I’ve pretty much got it the way I envisioned. Please use the regular URL to access the maps:

http://australiasevereweather.com/cyclones/

BoM data is 1906/07 to 2006/07 (though some of that last season is missing). JTWC data is 1944/94 to 2007/08, and season summary and individual maps based on operational data is also available 2003/04 to date.

There are Google Map options to toggle the map markers, date labels and lat/long grid as sometimes you want to see a clean map – ie. just the track.

Apart from this project, I’ve been busy with all the flood related weather the past almost 2 weeks. There’s been almost 400mm here at home though some places locally have copped well over 500mm. The flooding has resulted in a fair bit of EWN work and Richmond Tweed SES duties.

But the rainfall stand-outs are of course the flash flooding in Coffs Harbour on 31st March and then the Sunshine Coast hinterland two days later on the 2nd April. It was extraordinary to see two similar events (synoptically) occur in one week. Rainfalls of around 400mm in 3 hours were reported in both locations so some major damage particularly in the greater Coffs Harbour area.

Open the storm map around Coffs Harbour, NSW

More storms near Coffs Harbour, NSW

Ex Tropical Cyclone Alfred – The aftermath continues includes images Bellinger Valley NSW – Sunday 9 March 2025 9 Mar 2025 · Bellinger Valley, NSW Moderate to heavy rain and East Coast Low New South Wales – 25 to 28 September 2024 28 Sep 2024 · Coffs Harbour, NSW One of the big time events. After a period where storm chasing was not going to plan nailed this one perfectly. 30 minutes of hailWest of Ebor mid … 10 Jan 2023 · Ebor, NSW One of the big time events. After a period where storm chasing was not going to plan nailed this one perfectly. 30 minutes of hail West of Ebor mid … 10 Jan 2023 · Ebor, NSW Storms from South of Grafton through to Yamba with hook echo for a fair bit of a time! Not for Media Use Licensing available Call 0408020468 www… 1 Jan 2023 · Grafton to Yamba, NSW Some may recall this supercell has it been 4 years!! Storms from South of Grafton through to Yamba with hook echo for a fair bit of a time! Not fo… 1 Jan 2022 · Grafton to Yamba, NSW On this day 21 years ago, I was to memorise 2 sets of 19 maps of AVN (GFS) and targetted Coffs Harbour. A storm developed on the Dorrigo Plateau mount… 5 Nov 2021 · Coffs Harbour, NSW Today is the anniversary of Tyndale when I used to go out and get giant hail 26th October 2003. Dave Croan was with me doing his measurements – this … 26 Oct 2021 · Tyndale, NSW Severe storms and hail events – October 2021 – Eastern NSW and QLD 23 Oct 2021 · Eastern NSW & QLD hail (Coffs Harbour) Not bad for a mid north coast Earlier structure before the green tinge and further updraft history. Time-lapse of this stage should be great! Then la… 10 Apr 2021 · Kempsey (Mid North Coast), NSW Rain events and flooding – Eastern New South Wales and Queensland – 21 – 28 February 2021 27 Feb 2021 · NSW North Coast (Coffs Harbour) Extreme Storms Whiporie Supercell 5th January 2021 9 Jan 2021 · Whiporie, NSW

All storm reports from Coffs Harbour, NSW →

Also on 9 April

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