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Post-Tropical Cyclone FRED Advisory Number 42
 
Issued 03:00Z Aug 20, 2021
 
Advisory Selection
View advisory number:  42   41   40   39   38   37   36   35   34   33   32   


BULLETIN
Post-Tropical Cyclone Fred Advisory Number  42
NWS Weather Prediction Center College Park MD   AL062021
1100 PM EDT Thu Aug 19 2021

...POST-TROPICAL CYCLONE FRED WILL MOVE OFF THE COAST OF MAINE BY
EARLY FRIDAY AS THE HEAVY RAINFALL THREAT CONTINUES TO DIMINISH...


SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...42.9N 71.8W
ABOUT 50 MI...85 KM WSW OF PORTSMOUTH NEW HAMPSHIRE
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...ENE OR 70 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES


WATCHES AND WARNINGS
--------------------
All Flash Flood Watches over portions of eastern New England have
expired.


DISCUSSION AND OUTLOOK
----------------------
At 1100 PM EDT (0300 UTC), the center of Post-Tropical Cyclone Fred
was located near latitude 42.9 North, longitude 71.8 West. The
post-tropical cyclone is moving toward the east-northeast near 13
mph (20 km/h), and its forward motion is expected to gradually
increase overnight.

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 1009 mb (29.80 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL:

Post-Tropical Cyclone Fred may produce 1 to 2 inches of
additional rain across Downeast Maine overnight before moving
offshore.

For the latest rainfall reports and wind gusts associated with
Post-Tropical Cyclone Fred, see the companion storm summary at
WBCSCCNS1 with the WMO header ACUS41 KWBC or at the following link:
available at www.wpc.ncep.noaa.gov/discussions/nfdscc1.html

NEXT ADVISORY
-------------
This is the last public advisory issued by the Weather Prediction
Center on this system.


Forecaster Hurley

FORECAST POSITIONS AND MAX WINDS

INIT  20/0300Z 42.9N  71.8W   25 KT  30 MPH...POST-TROP/EXTRATROP
 12H  20/1200Z 43.4N  69.1W   25 KT  30 MPH...POST-TROP/EXTRATROP