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Tropical Depression HENRI Advisory Number 31
 
Issued 15:00Z Aug 23, 2021
 
Advisory Selection
View advisory number:  34   33   32   31   30   


BULLETIN
Tropical Depression Henri Advisory Number  31
NWS Weather Prediction Center College Park MD   AL082021
1100 AM EDT Mon Aug 23 2021

...SLOW-MOVING HENRI BEGINNING TO TURN EAST...
...HEAVY RAINFALL AND FLOODING EXPECTED TO CONTINUE ACROSS PORTIONS
OF SOUTHERN NEW ENGLAND AND THE NORTHERN MID-ATLANTIC STATES
THROUGH TODAY...


SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...41.4N 73.7W
ABOUT 45 MI...70 KM NNE OF NEW YORK CITY
ABOUT 60 MI...95 KM WSW OF HARTFORD CONNECTICUT
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...E OR 90 DEGREES AT 6 MPH...9 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES


WATCHES AND WARNINGS
--------------------
Flood watches are in effect across northeast Pennsylvania,
southeast New York, northeast New Jersey, Long Island, and portions
of New England.


DISCUSSION AND OUTLOOK
----------------------
At 1100 AM EDT (1500 UTC), the center of Tropical Depression Henri
was located near latitude 41.4 North, longitude 73.7 West. The
depression is moving toward the east near 6 mph (9 km/h) and this
motion is expected to continue before accelerating later tonight.

Maximum sustained winds are near 30 mph (45 km/h) with higher gusts.
Little change in strength is forecast during the next 48 hours.

The estimated minimum central pressure is 1005 mb (29.68 inches).


HAZARDS AFFECTING LAND
----------------------

RAINFALL: Henri is expected to produce additional rainfall of 1 to
locally 2 inches in New Jersey, and eastern Pennsylvania through
today and 1 to 3 inches, with locally higher amounts possible, over
far southeast New York, Long Island, and southern to central New
England through tonight. Heavy rainfall from Henri will continue to
result in limited to considerable flash, urban, and small stream
flooding impacts, along with isolated minor to moderate river
flooding.

For the latest rainfall reports and wind gusts associated with
Tropical Depression Henri at the following link:
available at www.wpc.ncep.noaa.gov/discussions/nfdscc3.html

TORNADOES: A isolated tornado or two is possible across Southern
New England this afternoon into the evening.

SURF: Swells are expected to continue across much of the east
coast of the U.S. and Atlantic Canada through today. These swells
could cause life-threatening surf and rip current conditions.
Please consult products from your local weather office.

NEXT ADVISORY
-------------
Next complete advisory at 500 PM EDT.


Forecaster Churchill

FORECAST POSITIONS AND MAX WINDS

INIT  23/1500Z 41.4N  73.7W   25 KT  30 MPH...INLAND
 12H  24/0000Z 41.5N  72.7W   25 KT  30 MPH...INLAND
 24H  24/1200Z 42.0N  70.0W   25 KT  30 MPH...INLAND
 36H  25/0000Z 42.9N  65.6W   20 KT  25 MPH...POST-TROPICAL
 48H  25/1200Z...DISSIPATED