From Weather Alert@21:1/175 to All on Saturday, September 19, 2020 09:01:00
079
WTNT34 KNHC 190235
TCPAT4
BULLETIN
Post-Tropical Cyclone Alpha Advisory Number 3
NWS National Hurricane Center Miami FL AL242020
300 AM GMT Sat Sep 19 2020
...SHORT-LIVED ALPHA BECOMES A REMNANT LOW OVER THE DISTRICT OF VISEU PORTUGAL..
...THIS IS THE LAST ADVISORY...
SUMMARY OF 300 AM GMT...0300 UTC...INFORMATION ----------------------------------------------
LOCATION...40.9N 6.9W
ABOUT 1090 MI...1750 KM ENE OF THE AZORES
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...NE OR 50 DEGREES AT 16 MPH...26 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES
WATCHES AND WARNINGS
--------------------
There are no coastal tropical cyclone watches or warnings in effect.
Interests in Portugal should monitor the progress of Alpha.
Additional information on this system can be found in products from
the Portuguese Institute for Sea and Atmosphere at www.ipma.pt.
DISCUSSION AND OUTLOOK
----------------------
At 300 AM GMT (0300 UTC), the center of Post-Tropical Cyclone Alpha
was located near latitude 40.9 North, longitude 6.9 West. The
post-tropical cyclone is moving toward the northeast near 16 mph (26
km/h), and this general motion is expected to continue during the
next 12 hours or so. Alpha should move across northern Portugal and
Spain before dissipating later today.
Maximum sustained winds have decreased to near 30 mph (45 km/h)
with higher gusts. The remnant low is expected to dissipate by
Saturday night.
The estimated minimum central pressure is 1005 mb (29.68 inches).
HAZARDS AFFECTING LAND
----------------------
WIND...Information on wind hazards from Alpha can be found in
products from the Portuguese Institute for Sea and Atmosphere at
www.ipma.pt.
RAINFALL...Alpha is expected to produce storm totals of 1 to 2
inches of rainfall, with isolated amounts of 3 inches over the
northern portion of Portugal and into west-central Spain before rain
tapers off later today.
NEXT ADVISORY
-------------
This is the last public advisory issued by the National Hurricane
Center on this system.