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Summary

  1. Hamilton fastest in wet-dry first and second practice
  2. Rosberg crashes in the wet, ending his session
  3. Get involved: #moreconfusingthanqualifying or #bbcf1

Live Reporting

By Gary Rose

All times stated are UK

Get involved

What did we learn today? Not a lot, but as Tom Clarkson said, we effectively have a two-day grand prix weekend. We've also got a new qualifying format to look forward to, so things are sure to be interesting either way tomorrow.

Here's Andrew Benson's report and I'll see you tomorrow at 02:30 GMT.

Cheerio!

Vote result

We asked you to vote on who you think will be Lewis Hamilton's biggest threat this season, and 55% of you said it will be Sebastian Vettel.

Not many backed Nico Rosberg, who took 24% of the votes.

As is the way, Albert Park is bathed in sunshine now that the chequered flag has fallen.

The interchangeable weather meant it was a bit of a write off today, but there was an air of familiarity with how things panned out for the two Mercedes drivers.

Lewis Hamilton spent much of second practice relaxing, before popping out for a solitary timed lap and immediately put himself at the top of the timesheet. In contrast, Nico Rosberg crashed out of the session.

How will that affect their mentality going into the weekend, if at all?

Second practice result

1) Hamilton 2) Hulkenberg 3) Raikkonen 4)  Ricciardo 5) Sainz 6) Alonso 7) Button 8) Vettel 9) Perez 10) Kvyat

11) Gutierrez 12) Wehrlein 13) Grosjean 14) Haryanto 15) Rosberg 

No time: Magnussen, Palmer, Massa, Bottas, Ericsson, Nasr, Verstappen

Tom Clarkson

BBC Radio 5 live pit-lane reporter in Melbourne

"In a way I have always been an advocate of two-day GP weekends and that is effectively what we have got now."

Chequered flag

Lewis Hamilton finishes fastest in second practice for the Australian Grand Prix.

Kimi Raikkonen is on a very determined walk down the pitlane. Not quite sure where he is off to but wherever it is, he wants to get there quickly. That's his session over.

In fact, the session is over for everyone as the chequered flag is waved.

Felipe Massa and Valtteri Bottas have left it late before deciding to get involved, probably because of the weather. Five minutes of practice remains and the two Williams cars head out for their first few laps of the session.

How are the McLarens getting on?

Fernando Alonso is sixth fastest with 1:39.895 while Jenson Button is P7, one tenth off his team-mates fastest time. 

Meanwhile, the rookies are racking up the mileage. Rio Haryanto has completed 22 laps, with Pascal Wehrlein just on his 21st of the session.

Why does it always rain on me?

Poor Jennie Gow is copping the worst of the weather. 

While Jack Nicholls and Tom Clarkson are basking in glorious sunshine in the BBC comms box, it is raining on the pitlane, where Jennie is stood. 

Strange, strange weather.

"It's ok. Greasy but drivable. Bit of a river across T5. Not far from crossover" Feedback underway for @LewisHamilton back in the box... #F1

Damp patches are still catching out one or two of the drivers. Sergio Perez had a brief trundle onto the grass, before Esteban Gutierrez locks up and is straight into the gravel at Turn 1.

Meanwhile, Nico Hulkenberg has moved to within four tenths of a second of timesheet topping Lewis Hamilton.

Gutierrez runs onto the gravel at Turn 1 but manages to avoid beaching his Haas #AusGP #FP2

Gutierrez runs onto the gravel at Turn 1 but manages to avoid beaching his Haas #AusGP #FP2

Meanwhile, #NR6 has made it back to base. Now keeping a watching brief on the final phase of #FP2... #F1 #AusGP

Meanwhile, #NR6 has made it back to base. Now keeping a watching brief on the final phase of #FP2... #F1 #AusGP

Not that a dab of the paintbrush will slow him down... straight to P1 for @LewisHamilton! That's multi-tasking at its fastest! ;) #F1 #AusGp

Up to the top of the timesheet Lewis Hamilton goes. 

The world champion is leisurely swinging the Mercedes round the circuit and is straight into P2 with his first timed effort, going six tenths of a second quicker than Kimi Raikkonen with 1:38.841.