Cold air multicell approaching Leopold - Bellarine Peninsula (1745AEST).   The multicell at this time was lightning active.

Click on thumbnails below for full sized images & captions on a new page.

NB: the first 2 images are different grabs from the same second

PPI scan (showing very clear hook echo) & video captures, all  within 120 seconds of each other: 18:20:01, 18:21:00, 18:22:10.

The former Leopold tornadic cell receding over Port Phillip Bay (1845AEST). 
The base was still showing weak rotation.
No lightning was detected from the onset of the funnel stage at 1810 & throughout the tornadic stage.

Click to go to:          Leopold Tornado - Discussion, Comments & Analysis Page

Looking SW from Melbourne CBD - 6.10pm

Looking SW from Melbourne CBD - 6.20pm

Looking SW from Melbourne CBD - 6.30pm

View WSW(ish) from Sandringham Yacht Club

SW from St Kilda - 6.29pm

SW from St Kilda - 6.32pm

SW from St Kilda - 6.36pm

Melbourne 128km radar - 6.20pm

Melbourne 128km radar - 6.30pm

Melbourne 128km radar - 6.40pm

MSL - 4pm

AVN analysis 10am

MSL - 10pm

AVN analysis 10pm

850hPa flow - 3rd Oct 21Z (10am - 4th)

850hPa flow - 4th Oct 9Z (10pm)

700hPa flow - 3rd Oct 21Z (10am - 4th)

700hPa flow - 4th Oct 9Z (10pm)

500hPa flow - 3rd Oct 21Z (10am - 4th)

500hPa flow - 4th Oct 9Z (10pm)

250hPa flow - 3rd Oct 21Z (10am - 4th)

250hPa flow - 4th Oct 9Z (10pm)

500hPa heights & vorticity (7am - 4th)

Front page of the afternoon edition of the Melbourne Herald Sun (4th October 2001)

500hPa heights & vorticity (7pm - 4th)

Australian water vapour 0830Z (6.30pm)

Geelong Advertiser article 4th October 2001

Australian enhanced infra red  0830Z (6.30pm)

Vic visible image 11.30am

Location map - Leopold

Vic visible image 3.30pm

CSIRO image 5.38pm

Victorian infrared image 6.30pm

Victorian water vapour image 6.30pm

Melbourne airport Skew T 10am

Vic IR loop

Melbourne airport Skew T 10pm

Hodograph (Melb airport) - 9pm

Hodograph (Melb airport) - 9pm

In both cases the red lined wind vector is the pressure averaged wind. The value is not printed, but it's 223/31kn. The only difference in the two images is the wind profile on the left.

Download the HodoTool - Java applet  zip file here courtesy Hank de Wit

Hodograph (Melb airport) - 3pm

Many thanks to the following individuals & organisations for these making these images & analysis available: Kevin Parkyn, Hank de Wit, Harald Richter, Robert Goler, Jane ONeill, Bureau of Meterology, Omni-net, Sandringham Yacht Club, coastalwatch.com, Unisys, CSIRO Marine Research, University of Wisconsin, United States Navy Web Information Service.