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Old 10th September 2018, 07:41
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pompeyfan United Kingdom pompeyfan is offline
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BULLETIN
Hurricane Helene Advisory Number 11
NWS National Hurricane Center Miami FL AL082018
1100 PM AST Sun Sep 09 2018

...HELENE CONTINUES TO STRENGTHEN OVER THE EASTERN ATLANTIC...


SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...13.9N 27.2W
ABOUT 195 MI...320 KM WSW OF THE SOUTHERNMOST CABO VERDE ISLANDS
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...984 MB...29.06 INCHES


WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.


DISCUSSION AND OUTLOOK
----------------------
At 1100 PM AST (0300 UTC), the center of Hurricane Helene was
located near latitude 13.9 North, longitude 27.2 West. Helene is
moving toward the west-northwest near 13 mph (20 km/h) and this
motion is expected to continue for another couple of days. A turn
to the northwest is forecast to occur on Wednesday.

Maximum sustained winds have increased to near 85 mph (140 km/h)
with higher gusts. Additional strengthening is expected during
the next day or so, but slow weakening should begin by late Tuesday.

Hurricane-force winds extend outward up to 25 miles (35 km) from the
center and tropical-storm-force winds extend outward up to 90 miles
(150 km).

The estimated minimum central pressure is 984 mb (29.06 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL: The outer bands of Helene could produce up to one inch
of additional rainfall over the southernmost Cabo Verde Islands
during the next few hours.


NEXT ADVISORY
-------------
Next complete advisory at 500 AM AST.





https://www.nhc.noaa.gov/storm_graph...png/054223.png
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David