Latest on Hurricane Bill

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Latest on Hurricane Bill

Postby Peter O'Donnell » 08/ 22/ 09 5:30 pm

Latest info on Hurricane Bill
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I am posting some links here that will show the current satellite and (by Sunday morning) radar depictions of Bill as the system tracks close to Nova Scotia on Sunday and then Newfoundland by Monday morning.

For now, here's the infra-red satellite imagery, this should update as you click on it, but refresh it to make sure.

http://www.weatheroffice.gc.ca/data/sat ... 70_100.jpg


The time stamp at the top of the map is in GMT which is also UTC or z time in meteorology.

Subtract four hours for ADT and five for EDT, etc.

The track of the storm has been northwards for the past 18 hours but is expected to be more northeast overnight, taking the centre towards the NS coast. Opinions vary as to how close the centre will get to the coast, I think it may be about 50-75 miles south of Halifax at some point and then gradually approach the Cape Breton south coast late Sunday. The town of Louisbourg could get a landfalling cat-1 hurricane. If the track is further west and therefore further north, the landfall could come at any other point in NS.

If the hurricane centre stays offshore, the rain will actually be heavier because the heavier rain is thrown about 50-100 miles north of the track by frontal dynamics. So the further north it goes, the more rain will fall in NB and PEI, but the heaviest rain axis is likely to be through central NS and this could be as much as 150 mms locally (that's six inches).

By Monday morning the storm, probably no longer a true hurricane but still blowing with that sort of force, will be heading through Newfoundland.

As time goes on, I will post some updated data and radar images to show exactly what's happening along the track.

It's the calm before the storm now in NS, if you're reading this, expect winds to increase rapidly after midnight and rain to begin falling heavily at some point around sunrise.
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Postby backhoe » 08/ 22/ 09 6:35 pm

Thanks, Peter- we take a keen interest in hurricanes down here.<P>If only we could skew it over towards Martha's Vineyard...<P><img src="http://img368.imageshack.us/img368/8922/topsecret014ie.jpg">
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Postby Winston Smith » 08/ 22/ 09 7:25 pm

We have a saying here on the island, "It'll be all talked out" by the time it gets here
2+2 =4 If that is granted, all else will follow --- Winston Smith

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Re: Latest on Hurricane Bill

Postby Treehouse » 08/ 22/ 09 11:37 pm

Peter O'Donnell wrote:.... It's the calm before the storm now in NS, if you're reading this, expect winds to increase rapidly after midnight and rain to begin falling heavily at some point around sunrise.


We've endured hurricane Juan, then "White Juan" - now, NS is about to get a "Wet Willy"
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Postby Peter O'Donnell » 08/ 22/ 09 11:56 pm

Yep, it is clearly not going to head inland anywhere east of Halifax, as the turn has already begun ... which means heavy rain and northeast winds for western and central NS ... Cape Breton could still be seeing a landfall or nearly, but that won't be until late Sunday.

The hurricane has weakened to cat-1 but presents fairly well on satellite and I think it will be fairly robust due to the warm waters being forced to near shore recently by the southerly winds.

Meanwhile, it's about to run over this ocean buoy:

http://www.ndbc.noaa.gov/station_page.php?station=44011

People reading this in the morning can look at the hourly data in the post to see what happened, it should come around 0600 UT.

Will post the Halifax radar when something interesting starts showing up on it.
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Postby Peter O'Donnell » 08/ 23/ 09 2:53 am

Can't edit this thread, so I need to correct line one of the previous post, meant to say no chance of a landfall anywhere west of Halifax ... or east to Cape Breton either. Track has now turned, as expected to a northeast direction and the centre will just make a slow approach to the coast on this track. Sable Island will be on the windy side of the hurricane and so that will be interesting later Sunday.

Meanwhile, the rain has started to move into western NS so here's the radar link, which should stay current whenever you come across this.

http://www.weatheroffice.gc.ca/radar/in ... tml?id=XGO

You'll see it can be animated by pressing the directional arrow top left.

Anyway, the heavier rain should soon be hitting this radar screen, so far it has been light.

As I may soon be asleep for a while, further updates may be coming after the storm begins to sweep in.
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Re: Latest on Hurricane Bill

Postby dpwozney » 08/ 23/ 09 1:40 pm

Peter O'Donnell wrote:I am posting some links here that will show the current satellite and (by Sunday morning) radar depictions of Bill as the system tracks close to Nova Scotia on Sunday and then Newfoundland by Monday morning.

For now, here's the infra-red satellite imagery, this should update as you click on it, but refresh it to make sure.

http://www.weatheroffice.gc.ca/data/sat ... 70_100.jpg

The time stamp at the top of the map is in GMT which is also UTC or z time in meteorology.

Subtract four hours for ADT and five for EDT, etc.

Satellite imagery is also available at this link, including a zoom option for Hurricane Bill:

http://www.ssd.noaa.gov/PS/TROP/trop-atl.html
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