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Hurricane Bill & Ocean Temps.

Hey Folks,

Hurricane Bill is now a Category 2 Hurricane with sustained winds of 165 km/h and gusts even stronger than that.
Aug18-Bill.jpg
You can now see a nice eye wall which has developed over the past 24 hours indicating that Bill is strengthening nicely.

The forecast track of Bill hasn't changed too much over the past day or so. The forecast models are still running Bill around the High parked in the Centre of the Atlantic and then up towards the Northeast U.S. and Atlantic Canada.
Here's a look at the forecast track as of this Sunday at 1pm.
BillTrack-Aug18.JPG

Again, a lot can change when we're this early in the game. However, the threat of a Tropical Storm or Depression Bill moving into Newfoundland sometime late Sunday through Monday or Tuesday is still very much there.

OCEAN TEMPERATURES

Here's a quick fact for you about Ocean temperatures and Hurricanes. For a Hurricane to grow or sustain it's strength it needs to feed on ocean water that is AT LEAST 28 degrees... or 82 Fahrenheit. Once is passes into cooler water than that, it will start to weaken. The cooler the water... the faster it will die.

Here's the interesting part.
Everyone has been talking about the great summer we have had in Newfoundland. So warm and bright. And the proof is in the Ocean temperatures around and particularly South of the Island.
OceanTemps-Aug18.JPG

Aug18.bmp

If those temperatures are looking a little warm to you... it's because they are. The graphic below is from the National Weather Service in the U.S. It shows Ocean Surface Temperature Anomaly... or Ocean temps compared to normal.
atl_anom.gif
Take a look South of Newfoundland where temperatures are 1 to 2 degrees above normal. You may not think that's much, however it could be a factor.

If a weakening Bill moves into this water, it certainly wouldn't be anywhere close to sustaining the storm. But Bill wouldn't lose it's strength quite as fast as similar storms in past years.

As always, I'll be watching this closely over the next few days as the track of Bill becomes more clear.

Ryan

Your Comments

Tell me Ryan that either Saturday or Sunday is going to be good for the Air Show at the airport.

Posted by: Jerome on August 18, 2009 01:26 PM

Yes Ryan.....I guess we who are newfies(including myself) can't escape the Global Warming. It had to happen to us sooner or later, I guess. Stormy weather shouldn't be strange for us though as we do live on a huge rock after all! I guess we should expect to see more bad weather in the future, including remnants of tropical systems.

Posted by: Damien Bullen on August 18, 2009 02:03 PM

Ryan, I love your weather coverage, and the attention to tropical weather is important. Your coverage complements Jeff Masters' weather blog, which I have been following closely for two years. He provides great coverage of the storms as they develop and if they hit the US, but not of the remnants when they reach us.

Keep up the good work!

Posted by: Jeff P. on August 18, 2009 10:13 PM

I have been following this system closl and you are doing a Excellent job keeping us informed.

Keep up the great weather!!

Posted by: Lynn Osmond on August 19, 2009 07:05 PM

Ryan, I was never interested in the weather or the news for that matter until you came on stream. Your enthuasiam for the weather is refreshing. You are doing a great job!!

Posted by: Jennifer Hamel on August 27, 2009 08:59 AM

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