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Tropical Storm HENRI (Text)


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BULLETIN
Tropical Storm Henri Advisory Number  28
NWS National Hurricane Center Miami FL       AL082021
500 PM EDT Sun Aug 22 2021
 
...HENRI WEAKENS A LITTLE MORE WHILE MOVING WEST-NORTHWESTWARD
ACROSS CENTRAL CONNECTICUT...
...HEAVY RAINFALL AND FLOODING EXPECTED ACROSS PORTIONS OF SOUTHERN
NEW ENGLAND AND THE NORTHERN MID-ATLANTIC STATES THROUGH MONDAY...
 
 
SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...41.6N 72.4W
ABOUT 100 MI...160 KM NE OF NEW YORK CITY
ABOUT 20 MI...35 KM SE OF HARTFORD CONNECTICUT
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
All coastal Tropical Storm Warnings have been discontinued.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
There are no coastal watches or warnings in effect.
 
For storm information specific to your area, including possible
inland watches and warnings, please monitor products issued by your
local National Weather Service forecast office.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 500 PM EDT (2100 UTC), the center of Tropical Storm Henri was 
located by surface observations and and NOAA Doppler weather radars 
near latitude 41.6 North, longitude 72.4 West. Henri is moving 
toward the west-northwest near 7 mph (11 km/h), and this general 
motion with a decrease in forward speed is expected through early 
Monday morning. A slow turn toward the north is expected Monday 
morning, followed by a motion toward the east-northeast Monday 
afternoon. On the forecast track, Henri is expected to slow down 
further and possibly stall near the Connecticut-New York border 
tonight, then move across northern Connecticut or southern 
Massachusetts by Monday afternoon.
 
Maximum sustained winds have decreased to near 40 mph (65 km/h) with 
higher gusts. Additional weakening is forecast during the next 
couple of days, and Henri is expected to become a tropical 
depression this evening and degenerate into a post-tropical remnant 
low by Monday afternoon.
 
Tropical-storm-force winds extend outward up to 35 miles (55 km)
from the center, mainly over Long Island Sound. A sustained wind of 
29 mph (47 km/h) and a gust to 42 mph (68 km/h) were recently 
measured by a private weather station at Orient Point on eastern 
Long Island.
 
The estimated minimum central pressure based on nearby surface 
observations is 997 mb (29.44 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
Key messages for Henri can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDAT3, WMO header WTNT43 KNHC
and on the web at
www.hurricanes.gov/graphics_at3.shtml?key_messages.
 
RAINFALL:  Henri is expected to produce storm total rainfall of 3 to
6 inches with locally higher amounts expected over portions of Long
Island, New England, southeast New York, New Jersey, and northeast
Pennsylvania Sunday into Monday. Isolated maximum totals of 10 to 12
inches are possible across northern New Jersey into southern New
York. Heavy rainfall from Henri will continue to result in
considerable flash, urban, and small stream flooding, along with the
potential for additional minor to isolated moderate river flooding.
 
For the latest rainfall reports and wind gusts associated with
Henri at the following link: 
www.wpc.ncep.noaa.gov/discussions/nfdscc3.html
 
WIND:  Wind gusts to tropical storm force are possible along 
coastal areas of Connecticut and northern Long Island during the 
next few hours. 
 
SURF:  Swells are expected to continue across much of the east
coast of the U.S. and Atlantic Canada today and continue into
Monday.  These swells could cause life-threatening surf and rip
current conditions.  Please consult products from your local
weather office.
 
 
NEXT ADVISORY
-------------
Next intermediate advisory at 800 PM EDT.
Next complete advisory at 1100 PM EDT.
 
$$
Forecaster Stewart
 
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Page last modified: Monday, 29-Nov-2021 12:09:19 UTC