Skip Navigation Links weather.gov   
NOAA logo - Click to go to the NOAA homepage National Weather Service   NWS logo - Click to go to the NWS homepage
National Hurricane Center
Local forecast by
"City, St" or "ZIP"

 
Alternate Formats
   Text     |   Mobile
   Email   |   RSS XML/RSS logo
   About Alternates
Cyclone Forecasts
   Latest Advisory
   Past Advisories
   Audio/Podcasts
   About Advisories
Marine Forecasts
   Atlantic & E Pacific
   Gridded Marine
   About Marine
Tools & Data
   Satellite | Radar
   Analysis Tools
   Aircraft Recon
   GIS Datasets
   Data Archive
Development
   Experimental
   Research
   Forecast Accuracy
Outreach & Education
   Prepare
   Storm Surge
   About Cyclones
   Cyclone Names
   Wind Scale
   Most Extreme
   Forecast Models
   Breakpoints
   Resources
   Glossary | Acronyms
   Frequent Questions
Our Organization
   About NHC
   Mission & Vision
   Staff | Q&A
   Visitors | Virtual Tour
   Library Branch
   NCEP | Newsletter
Contact Us
   Comments
Follow the National Hurricane Center on Facebook Follow the National Hurricane Center on Twitter
Subscribe the National Hurricane Center on YouTube Read the National Hurricane Center Inside the Eye blog on WordPress
FirstGov.gov is the U.S. Government's official Web portal to all Federal, state and local government Web resources and services.
 
 

Hurricane BILL


ZCZC MIATCPAT3 ALL
TTAA00 KNHC DDHHMM
BULLETIN
HURRICANE BILL ADVISORY NUMBER  17
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL032009
1100 AM AST WED AUG 19 2009
 
...POWERFUL HURRICANE BILL EXPECTED TO PASS WELL NORTH OF THE
LEEWARD ISLANDS...

INTERESTS IN THE NORTHERN LEEWARD ISLANDS AND BERMUDA 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 EYE OF HURRICANE BILL WAS LOCATED
NEAR LATITUDE 18.7 NORTH...LONGITUDE 56.3 WEST OR ABOUT 380 MILES...
610 KM...EAST-NORTHEAST OF THE LEEWARD ISLANDS AND ABOUT 1080 MILES
...1735 KM...SOUTH-SOUTHEAST OF BERMUDA.
 
BILL IS MOVING TOWARD THE WEST-NORTHWEST NEAR 18 MPH...30 KM/HR.
THIS GENERAL TRACK IS EXPECTED TO CONTINUE TODAY AND THURSDAY. A
GRADUAL TURN TO THE NORTHWEST AND NORTHWARD IS EXPECTED THEREAFTER. 
 
DATA FROM A NOAA P-3 PLANE AND SATELLITE ESTIMATES INDICATE THAT THE
MAXIMUM SUSTAINED WINDS REMAIN NEAR 135 MPH...215 KM/HR...WITH
HIGHER GUSTS.  BILL IS A CATEGORY FOUR HURRICANE ON THE
SAFFIR-SIMPSON SCALE.  SOME ADDITIONAL STRENGTHENING IS POSSIBLE
DURING THE NEXT 24 HOURS. 
 
BILL IS A LARGE HURRICANE AND HURRICANE FORCE WINDS EXTEND OUTWARD
UP TO 80 MILES...130 KM...FROM THE CENTER...AND TROPICAL STORM
FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM...PRIMARILY TO
THE NORTHEAST OF THE CENTER.
 
THE MINIMUM CENTRAL PRESSURE REPORTED BY A NOAA RECONNAISSANCE
AIRCRAFT WAS 950 MB...28.05 INCHES.

LARGE SWELLS ASSOCIATED WITH BILL WILL BE IMPACTING THE ISLANDS OF
THE NORTHEAST CARIBBEAN SEA DURING THE NEXT DAY OR TWO.  LARGE
SWELLS ASSOCIATED WITH BILL SHOULD ALSO BEGIN TO AFFECT BERMUDA AND
PORTIONS OF THE EASTERN COAST OF THE UNITED STATES FRIDAY AND
SATURDAY.

...SUMMARY OF 1100 AM AST INFORMATION...
LOCATION...18.7N 56.3W
MAXIMUM SUSTAINED WINDS...135 MPH
PRESENT MOVEMENT...WEST-NORTHWEST OR 300 DEGREES AT 18 MPH
MINIMUM CENTRAL PRESSURE...950 MB
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 PM AST.
 
$$
FORECASTER AVILA
 
NNNN


Quick Navigation Links:
Tropical Cyclone Forecasts  -  Tropical Marine Forecasts  -  Data Archive
Outreach  -  Prepare  -  About Cyclones  -  About NHC  -  Contact Us

NOAA/ National Weather Service
National Centers for Environmental Prediction
National Hurricane Center
11691 SW 17th Street
Miami, Florida 33165-2149 USA
nhcwebmaster@noaa.gov
Disclaimer
Credits
Information Quality
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities
Page last modified: Thursday, 31-Dec-2009 12:09:04 UTC