TC Laurence

[David]

It's hitting WA in Australia at the moment as a Cat 5 cyclone.

Here's a BOM weather station in it's path: http://www.bom.gov.au/products/IDW60801 ... 4200.shtml

It's recorded a pressure drop of 25 hPa in 1 hour
Plus winds gusting over 200km/h.

[Manukau heads obs]

wow, gusts to 110 kts and 935hpa baro!

[NZstorm]

Incredible set of data there. What a storm!

[Nev]

TROPICAL CYCLONE TECHNICAL BULLETIN: AUSTRALIA - WESTERN REGION
Issued by PERTH TROPICAL CYCLONE WARNING CENTRE
at: 1309 UTC [9pm WST] 21/12/2009
Name: Severe Tropical Cyclone Laurence

Maximum 10-Minute Wind: 110 knots [205 km/h]
Maximum 3-Second Wind Gust: 155 knots [285 km/h]
Central Pressure: 927 hPa

REMARKS:
Severe TC Laurence crossed the coast at 5pm WST on the east Pilbara coast east
of Port Hedland and is now tracking steadily to the south southeast over land.
Observations at Mandora which experienced the eastern eye wall included a
maximum winds to 85 knots gusting to 114 knots and pressure to 929hPa...

Below is a graph from Weatherzone's Mandora Observations Page showing winds speeds as the eastern part of the eye-wall passes directly over that station. And a visual sat-pic about 1.5 hours before landfall.

[Richard]

Its amazing to see that its stayed as a TC after moving well inland also

[OzMike]

TC Laurence went on to give heavy rain over NSW and elsewhere, in a drought, too. There has been heavy rain in many catchments since, with flood warnings all over the place. The season was tipped to be very dry! So much for climate outlooks.