Monday, October 03, 2011

Hurricane Ophelia and The Extratropical Cyclone Update Seven










WOCN31 CWHX 031745
Tropical cyclone information statement updated by the Canadian
Hurricane Centre of Environment Canada at 3:04 PM ADT Monday
3 October 2011.
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Tropical cyclone information statement for:
      Newfoundland.

      For post-tropical storm Ophelia.

      The next intermediate statement will be issued at 6:00 PM ADT.

      Ophelia currently travelling north of the Grand Banks.  In its
      Wake, dangerous surf and large waves along parts of the south
      Coast.

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==discussion==
1. Summary of basic information at 3:00 AM ADT.

Location: near 48.9 north 48.8 west.
About 325 kilometres east northeast of st johns.
Maximum sustained winds: near 85 km/hour.
Present movement: east-northeast at 70 km/hour.
Minimum central pressure: 996 MB.

2. Public weather impacts and warnings summary.

With post-tropical storm Ophelia located well east of Newfoundland
all tropical storm watches for the Avalon Peninsula have been ended.
Brisk westerly winds in the wake of the storm will diminish toward
evening.  Coastal communities along parts of the south coast will
continue to experience large waves and pounding surf into the evening
as well.

B. Rainfall.

Rainfall rates of around 20 millimetres/hour were observed over the
Burin, Connaigre and Bonavista peninsulas this morning which
Resulted in local flooding in some communities.

C. Surge/waves.

Waves of 5 to 7 meters will continue to impact parts of the South
Coast of Newfoundland until evening. Seas will begin to subside
Later this evening over western sections of the south coast.
Coastal flooding is no longer expected as the tide continues to
recede, however dangerous surf and riptide conditions will occur and
spectators should stay well away from the wave-breaking zones.

With regard to storm surge, 40 to 60 cm was measured this morning
around the Southern Avalon Peninsula however the storm crossed the
region at low tide which alleviated potential problems.

3. Marine weather impacts and warnings summary.

Gale warnings are in effect for the south coast the Grand Banks and
Eastern Newfoundland waters.

Large waves will continue in the offshore - especially to the right
(southeast) and close to Ophelia's track.  The threat of large waves
continues for the Northern Grand Banks.  Earlier this morning wave
heights of 5 to 10 metres were observed with peak wave heights
reaching 11 to 15 metres at the mouth of Placentia Bay and at
Buoy 44251.

Visit weatheroffice.Gc.Ca/hurricane (all in lower case) for the
latest:

- forecast position, central pressure table.
- strength and predicted wind radii table.
- hurricane track information map.
- technical discussion.

Please also refer to the public and marine forecasts and warnings
issued by Environment Canada for your area.

END/COUTURIER/FOGARTY

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