Hurricane Bill Shifts Up Into Cat 4
Posted by feww on August 19, 2009
For updates see Atlantic Hurricanes 2009
Bill strengthens into category 4 hurricane, eying top level
Hurricane Bill strengthened to a Cat 4 on Saffir-Simpson scale. Click image to enlarge and update. See also FEWW New Hurricane Scale.
[Meanwhile NASA’s MODIS Rapid Response Team, Goddard Space Flight Center, is still measuring Bill as he was on August 17.]
NHC: Hurricane BILL Data – Summary
5:00 AM AST Wed Aug 19 (9:00 UTC)
Location: 18.0°N 54.9°W
Max sustained: 215 km/h (135 mph)
Moving: WNW at 26 km/h (16 mph)
Min pressure: 71.1 cmHg (948 mb)
Hurricane Bill is expected to strengthen further, NHC said. Adding that, bill will create large swells which would impact the islands of the northeast Caribbean sea in the next 48 hours. Bermuda and parts of the SE coast of the US would be affected similarly, Friday and Saturday.
For background information, details of Bill’s progress and additional images, see Atlantic Hurricanes 2009.
FEWW Comments: There’s a small probability of about 0.15 that Bill could move in a westerly direction toward the Gulf of Mexico, making his first landfall on the coast of Alabama.
Related Links:
- Bill a Major Hurricane, May Strengthen Further
- Bill Becomes Hurricane, Strengthening
- Tropical Storm CLAUDETTE [Regular updates for CLAUDETTE are found in the comment section of the post]
- Meet Bill and Ana, 2009 First Named Storms [Regular updates for Bill and Ana are found in the comment section of the post]
- National Hurricane Center
- FEWW New Hurricane Scale
feww said
UPDATE:
Hurricane Bill Chemically ‘Neutered?’
https://feww.wordpress.com/2009/08/21/hurricane-bill-chemically-neutered/
For all updates see:
https://feww.wordpress.com/atlantic-hurricanes-2009/
feww said
NHC: Hurricane BILL Update
SUMMARY OF 11:00 PM AST WED AUG 19 2009 (04:00 UTC Thurs Aug 20, 2009)
BILL MAINTAINING CATEGORY FOUR STRENGTH
LOCATION…20.7N 58.9W
MAXIMUM SUSTAINED WINDS…135 MPH
PRESENT MOVEMENT…NORTHWEST OR 305 DEGREES AT 17 MPH
MINIMUM CENTRAL PRESSURE…945 MB
BILL IS ABOUT 315 MILES (505 KM) NORTHEAST OF THE LEEWARD ISLANDS AND ABOUT 880 MILES (1,415 KM) SOUTH-SOUTHEAST OF BERMUDA.
For more details and FEWW comment see: https://feww.wordpress.com/atlantic-hurricanes-2009/