Atlantic Tropical Update – Hurricane Bill affecting Bermuda

Updated 9AM PST Friday 8/21

Bill continues to weaken and is looking less organized.  It now has 115 mph sustained winds.

Bill is visible in the center of the image below. This satellite image will update every 30 minutes.

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The probability plot for 120 hours out shows Bill likely to make a sharp turn to the north, affecting Nova Scotia, but with no landfall. It’s remnants may affect northern England:


BULLETIN

HURRICANE BILL ADVISORY NUMBER  25...CORRECTED

NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL032009

1100 AM AST FRI AUG 21 2009

CORRECTED FOR TRACK PARAGRAPH

...LARGE HURRICANE BILL ON A STEADY NORTHWESTWARD TRACK...RAINBANDS

ALREADY AFFECTING BERMUDA...

A TROPICAL STORM WARNING AND A HURRICANE WATCH ARE IN EFFECT FOR

BERMUDA.

INTERESTS ALONG THE COAST OF NEW ENGLAND AND IN THE CANADIAN

MARITIMES SHOULD MONITOR THE PROGRESS OF BILL.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED

STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE

MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE

FORECAST OFFICE.  FOR STORM INFORMATION SPECIFIC TO YOUR AREA

OUTSIDE OF THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED

BY YOUR NATIONAL METEOROLOGICAL SERVICE.

AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE BILL WAS LOCATED

NEAR LATITUDE 27.6 NORTH...LONGITUDE 66.3 WEST OR ABOUT 335 MILES...

540 KM...SOUTH-SOUTHWEST OF BERMUDA AND ABOUT 755 MILES...1215 KM...

SOUTHEAST OF CAPE HATTERAS NORTH CAROLINA.

BILL IS MOVING TOWARD THE NORTHWEST NEAR 18 MPH...30 KM/HR. A

GRADUAL TURN TO THE NORTH-NORTHWEST AND THEN NORTH IS EXPECTED

LATER TODAY AND SATURDAY. ON THE FORECAST TRACK...THE CORE OF

HURRICANE BILL IS EXPECTED TO PASS OVER THE OPEN WATERS BETWEEN

BERMUDA AND THE EAST COAST OF THE UNITED STATES ON SATURDAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 115 MPH...185 KM/HR...WITH HIGHER

GUSTS.  BILL IS A CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON

SCALE.  SOME FLUCTUATIONS IN INTENSITY ARE LIKELY TODAY AND

SATURDAY.

BILL REMAINS A LARGE TROPICAL CYCLONE. HURRICANE FORCE WINDS EXTEND

OUTWARD UP TO 115 MILES...185 KM...FROM THE CENTER...AND TROPICAL

STORM FORCE WINDS EXTEND OUTWARD UP TO 290 MILES...465 KM. RADAR

FROM BERMUDA INDICATES THAT SOME RAINBANDS ARE ALREADY AFFECTING

BERMUDA.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 958 MB...28.29 INCHES.

BILL IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 1 TO 3

INCHES OVER BERMUDA...WITH MAXIMUM AMOUNTS OF 5 INCHES.

THE BERMUDA WEATHER SERVICE FORECAST THAT THE STORM TIDE WILL RAISE

WATER LEVELS BY AS MUCH AS 3 FEET ABOVE GROUND LEVEL ALONG THE

COAST...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...IN ADVANCE

OF BILL.

LARGE SWELLS GENERATED BY THIS HURRICANE ARE AFFECTING PUERTO

RICO...HISPANIOLA...THE BAHAMAS...AND BERMUDA...AND SHOULD BEGIN

AFFECTING MOST OF THE U.S. EAST COAST AND THE ATLANTIC MARITIMES OF

CANADA DURING THE NEXT DAY OR TWO.  THESE SWELLS WILL LIKELY CAUSE

EXTREMELY DANGEROUS SURF AND LIFE-THREATENING RIP CURRENTS.

...SUMMARY OF 1100 AM AST INFORMATION...

LOCATION...27.6N 66.3W

MAXIMUM SUSTAINED WINDS...115 MPH

PRESENT MOVEMENT...NORTHWEST OR 325 DEGREES AT 18 MPH

MINIMUM CENTRAL PRESSURE...958 MB

AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE

CENTER AT 200 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 500

PM AST.
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Jack Simmons
August 16, 2009 12:21 am

Jimmy Haigh (23:46:29) :

Why don’t they just catch all the butterflies in the world and put them in a sealed room where they can flap their wings all they want without causing all these hurricanes?
Oh. I know. The greens wouldn’t even let us do that…

But Jimmy, there is an officially (PETA no less) approved way to capture bugs:
https://www.petacatalog.org/prodinfo.asp?number=HP220

August 16, 2009 12:43 am

Jack Simmons (00:21:06) :
“… there is an officially (PETA no less) approved way to capture bugs”.
Hmmm. Not sure about this for butterflies though. It looks as though it would damage their hurricane-causing wings.
Hey – maybe it’s the other way round? Maybe ‘global warming ‘ (I don’t buy it myself) was caused by hurricanes caused by butterflies flying? I can see the headlines in the MSM: “AGW cuased by butterflies”.

August 16, 2009 12:46 am

I just know those warmist BBC hacks are salivating in anticipation…

Grumbler
August 16, 2009 2:51 am

Mike McMillan (16:45:29) :
Clive (15:54:59) :
Aha! “The Watt Effect” ☺ ☺ ☺
Reply: Watts
What?
Whats on first, whose on second….

Urederra
August 16, 2009 3:29 am

Leon Brozyna (16:43:30) :
It’s a sign!
Two named storms in twelve hours!

By using Mannian methods and climate models I can say that we´ll have over 300 storms by the end of the year,

AlanG
August 16, 2009 4:06 am

The best site I know to watch hurricanes is: http://www.stormpulse.com/
Great graphics. You can overlay Atlantic forecast model tracks, U.S. radar and clouds. They are currently showing the projected storm track for Anna. Bill is there but no track yet. You can scroll to see clouds anywhere in the world.

AlanG
August 16, 2009 4:13 am

More on stormpulse… You can also see the forecast track for Bill as well as TD4 by clicking on the active storm list. Pacific tracks are also available.

Tom in Florida
August 16, 2009 5:14 am

RACookPE1978 (20:13:18) : “even the storms over FL this afternoon had “tropical rotations” ..”
I guess they did (you could see it on local radar).
Power Grab (20:56:17) : “Why do they raise all that ruckus about piddly little systems that are little more than a brisk Oklahoma breeze? (”Where the wind comes sweepin’ down the plain”)”
Cause these piddly little systems can turn into devastating monsters very quickly.

INGSOC
August 16, 2009 5:24 am

I’ll put my money on them spinning North and away from the usual LZ’s. Perhaps doing the twist right into Nova Scotia?
I hope I am correct… (Well, maybe not the Nova Scotia bit)

Power Grab
August 16, 2009 6:09 am

Tom in Florida (05:14:22) :
Cause these piddly little systems can turn into devastating monsters very quickly.
—-
Maybe they “can” but for the past 2-1/2 seasons have not. Is it a coincidence that the 2007 and 2008 seasons were quiet–just as the sun has been quiet? The sun is still quiet.
I saw an impressive X-class flare on spaceweather.com in 2005 not long before Katrina got big. There is nothing like that happening now.
OTOH–there was an “unexpected” aurora mentioned on spaceweather.com on 8-14-09. The usual indicators were quiet before it happened. Perhaps that was the influx of power needed to zap up some storm systems.
This is such an interesting solar cycle, isn’t it? If we will, we can probably learn quite a bit about the influence of space weather on our weather. Heh–I’m beginning to think the sun is only the dashboard indicator light, reflecting the influence of the power that comes this way from elsewhere in the cosmos.

Archonix
August 16, 2009 6:10 am

Is it me, or has one of them faded away?

Novoburgo
August 16, 2009 6:25 am

Grumbler (02:51:51) :
Mike McMillan (16:45:29) :
Clive (15:54:59) :
Aha! “The Watt Effect” ☺ ☺ ☺
Reply: Watts
What?
Whats on first, whose on second….
Who’s on second!

Don't Get Out Much
August 16, 2009 7:24 am

For a little entertainment, track a storm by grabbing a copy of the 5 day cone about three times a day for the duration of the storm. Then after the storm is over, ask yourself this question. If we can predict the climate in 100 years, we should be able to predict a storm track, never mind the intensity, fairly accurately. How did we do? Cycle through the images of the 5 day cone in order and track the changes.
For a little more fun. Draw a 5 day cone all by yourself. How did you do? Better then the guys spending m/billions?

August 16, 2009 8:26 am

Looks like Claudette will be named today and make landfall near Panama City, FL tonight. I’m sure the veterans down there aren’t concerned at all. Just have to aim a little further left of the flag with that 6-iron.
Claudette should also dissipate rapidly. Plenty of rain for the SE, though.

Tom in Florida
August 16, 2009 11:23 am

Power Grab (06:09:35) : “Maybe they “can” but for the past 2-1/2 seasons have not. Is it a coincidence that the 2007 and 2008 seasons were quiet–just as the sun has been quiet? ”
You might want to ask those in Haiti and the Dominican Republic how they feel about your “quiet” 2-1/2 seasons. Perhaps you have forgotten or are just terribly US-centric.

Paul Coppin
August 16, 2009 11:46 am

“Tropical depression four” was named Claudette about an hour ago…

Milwaukee Bob
August 16, 2009 1:57 pm

gtrip (22:24:17) :
Paul Coppin (11:46:10) :
Right! And this goes to the very heart of what some of us have been saying on other threads herein. Years ago #4 probably wouldn’t have been “seen” or counted as it will be over land and dissipating in less than 24 hrs from any significant formation. Proof of this is the “No name” storm that hit Tampa area inn the mid nineties. While some of us here on the west coast of FL saw “something” out there yesterday that looked like enough mass and the start of circulation, the NHC/NOAA computers and experts did not. While a lot of people hang on every word the NHC experts say about storms ONCE THEY form, most of us fully realize their track predicting skills include VERY WIDE margins of error and their formation and strength predicting abilities are very weak. Both Charlie in 2004 and Katrina a year later are excellent examples of that fact. That is why if you live along the coast if your smart your self sufficient.

Milwaukee Bob
August 16, 2009 2:18 pm

AlanG (04:13:44) :
Thanks. That is a VERY interesting and well done website.

gtrip
August 16, 2009 3:39 pm

Tropical DISTURBANCE Ana was downgraded. That (Ana) was the biggest reach to “name” a storm I have ever seen. This is what is wrong when agencies make forecasts; they do whatever they can to make their forecasts look correct.

August 16, 2009 5:13 pm

” gtrip (15:39:26) :
Tropical DISTURBANCE Ana was downgraded. That (Ana) was the biggest reach to “name” a storm I have ever seen. This is what is wrong when agencies make forecasts; they do whatever they can to make their forecasts look correct.”
It’s Tropical Depression Ana, just to be clear, and I don’t think it was a reach. The NHC never forecasted it to develop into a hurricane and they have a tendency to be conservative when they name storms. Here’s what they said when making the decision:
DATA FROM A NOAA G-IV MISSION…NOAA BUOY 41041…AND A RECENTLY-RECEIVED ASCAT PASS INDICATES THAT THE CIRCULATION IS WELL-DEFINED.
Using three separate pieces of information, they decided to name it tropical storm Ana. There’s a lot of shadiness and agenda-pushing within the govt, but I’m not sure this was a classic example of such a conspiracy. Plus, they have a long way to go for this hurricane season to matter at all.

William
August 16, 2009 7:39 pm

As a Floridian I’ve been envious of all the record cold summer reports. The tropical cloud cover might cool things down a bit, though the humidity will be unbearable. We could use a little more rain, just hope we don’t get another loitering Fay.

gtrip
August 16, 2009 8:37 pm

Steve J (17:13:33)
Neither Ana nor Claudette have shown any cyclonic signatures or low pressure centers that one would consider when classifying (naming) a tropical storm. In my book, Bill should be Ana, Ana should be just another wave, and Claudette TD#3 or 2. Unless of course, we can bore some sediment samples and reclassify Claudette as a Cat 4 or 5 Hurricane!!!

gtrip
August 16, 2009 8:49 pm

And par for the course, as soon I say Ana is nothing, it starts to show some signs of actually becoming a TD. NOAA’s last update said: VERY FEW OF THE DYNAMICAL MODELS SHOW ANY RE-STRENGTHENING.

crosspatch
August 16, 2009 8:53 pm

Bill is the only one with any “oomph” and that storm doesn’t look like it will be much of a threat to land. It is currently forecast to turn out to sea before making landfall.

Power Grab
August 16, 2009 9:11 pm

Tom in Florida (11:23:43) :
You might want to ask those in Haiti and the Dominican Republic how they feel about your “quiet” 2-1/2 seasons. Perhaps you have forgotten or are just terribly US-centric.
Maybe I’m just tornado-centric. How many F5s have you lived to tell about?

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