TROPICAL STORM DANNY INTERMEDIATE ADVISORY NUMBER 18A
NWS NATIONAL HURRICANE CENTER MIAMI FL AL042015
800 PM AST SAT AUG 22 2015
…DANNY WEAKENS TO A TROPICAL STORM…
SUMMARY OF 800 PM AST…0000 UTC…INFORMATION
ABOUT 505 MILES OR 936 KM ESE OF ST.KITTS & NEVIS.
MAXIMUM SUSTAINED WINDS…65 MPH…105 KM/H
PRESENT MOVEMENT…W OR 280 DEGREES AT 14 MPH…22 KM/H
MINIMUM CENTRAL PRESSURE…997 MB…29.44 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Watch is in effect for…
* Antigua, Barbuda, Montserrat, St. Kitts, Nevis, and Anguilla
* Saba and St. Eustatius
* St. Maarten
* Guadeloupe, St. Barthelemy, and St. Martin
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.
Interests elsewhere in the U. S. and British Virgin Islands, Puerto
Rico, and the Dominican Republic should monitor the progress of
Danny. Additional watches or warnings may be required for portions
of these areas tonight or Sunday.
For storm information specific to your area, please monitor products
issued by your national meteorological service.
DISCUSSION AND 48-HOUR OUTLOOK
At 800 PM AST (0000 UTC), the center of Tropical Storm Danny was
located near latitude 15.6 North, longitude 54.1 West. Danny is
moving toward the west near 14 mph (22 km/h). This general motion
is expected to continue through Monday. On the forecast track, the
center of Danny is expected to be near the Leeward Islands by Sunday
night or Monday morning.
Recent reports from a NOAA Hurricane Hunter aircraft indicate that
Danny has weakened below hurricane strength, and the maximum
sustained are estimated to be 65 mph (105 km/h) with higher gusts.
Additional weakening is forecast during the next 48 hours.
Tropical storm force winds extend outward up to 60 miles (95 km)
from the center.
The latest minimum central pressure estimated from NOAA aircraft
data is 997 mb (29.44 inches).
HAZARDS AFFECTING LAND
RAINFALL: Danny is expected to produce 2 to 4 inches of rain over
the Leeward Islands through Monday.