Tropical Depression Henri Advisory Number 29
NWS National Hurricane Center Miami FL AL082021
1100 PM EDT Sun Aug 22 2021
...SLOW-MOVING HENRI EXPECTED TO CONTINUE TO PRODUCE HEAVY RAINFALL
AND FLOODING ACROSS PORTIONS OF SOUTHERN NEW ENGLAND AND THE
NORTHERN MID-ATLANTIC STATES THROUGH MONDAY...
SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION
ABOUT 85 MI...140 KM NNE OF NEW YORK CITY
ABOUT 25 MI...45 KM WNW OF HARTFORD CONNECTICUT
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES
WATCHES AND WARNINGS
There are no coastal watches or warnings in effect.
DISCUSSION AND OUTLOOK
At 1100 PM EDT (0300 UTC), the center of Tropical Depression Henri
was located near latitude 41.9 North, longitude 73.2 West. The
depression is moving toward the west-northwest near 8 mph (13 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. A faster motion toward the
east-northeast is expected on Tuesday. On the forecast track, Henri
is expected to slow down further and possibly stall near the
Connecticut-New York border tonight, then move across Massachusetts
on Monday afternoon and Monday night and over the Atlantic on
Maximum sustained winds are near 30 mph (45 km/h) with higher gusts.
Some additional slow weakening is likely during the next couple of
The minimum central pressure based on nearby surface observations is
1002 mb (29.59 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
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 through 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
Tropical Depression Henri see the following link:
SURF: Swells are expected to continue across much of the east coast
of the U.S. and Atlantic Canada tonight and into Monday. These
swells could cause life-threatening surf and rip current conditions.
Please consult products from your local weather office.
This is the last public advisory issued by the National Hurricane
Center on Tropical Depression Henri. Future information on this
system can be found in Public Advisories issued by the Weather
Prediction Center beginning at 5 AM EDT, under AWIPS header
TCPAT3, WMO header WTNT33 KWNH, and on the web at