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DONATEIota – Final Advisory Issued 11-18-2020 – 2020 Hurricane Season
ATTENTION: The NHC has issued it's last advisory on Iota as of 11-18-2020. All Graphics and Information on this page will eventually cease to update.
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- Wed, 25 Jun 2025 02:45:14 +0000: Atlantic Post-Tropical Cyclone Andrea Advisory Number 3 - Atlantic Post-Tropical Cyclone Andrea Advisory Number 3
617
WTNT31 KNHC 250244
TCPAT1
BULLETIN
Post-Tropical Cyclone Andrea Advisory Number 3
NWS National Hurricane Center Miami FL AL012025
1100 PM AST Tue Jun 24 2025
...ANDREA BECOMES A REMNANT LOW...
...THIS IS THE FINAL ADVISORY...
SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...38.7N 45.2W
ABOUT 985 MI...1585 KM W OF THE AZORES
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...ENE OR 60 DEGREES AT 20 MPH...31 KM/H
MINIMUM CENTRAL PRESSURE...1015 MB...29.98 INCHES
WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.
DISCUSSION AND OUTLOOK
----------------------
At 1100 PM AST (0300 UTC), the center of Post-Tropical Cyclone
Andrea was located near latitude 38.7 North, longitude 45.2 West.
The post-tropical cyclone is moving toward the east-northeast near
20 mph (31 km/h) and this motion is expected to continue until the
circulation opens up into a trough.
Maximum sustained winds have decreased to near 35 mph (55 km/h) with
higher gusts. Additional weakening is expected and the remnant low
is expected to degenerate into a trough l.
The estimated minimum central pressure is 1015 mb (29.98 inches).
HAZARDS AFFECTING LAND
----------------------
None.
NEXT ADVISORY
-------------
This is the last public advisory issued by the National Hurricane
Center on this system. Additional information on this system can be
found in High Seas Forecasts issued by the National Weather Service,
under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and online at
ocean.weather.gov/shtml/NFDHSFAT1.php
$$
Forecaster Papin
- Wed, 25 Jun 2025 02:44:46 +0000: Atlantic Post-Tropical Cyclone Andrea Forecast/Adv... - Atlantic Post-Tropical Cyclone Andrea Forecast/Advisory Number 3
350
WTNT21 KNHC 250244
TCMAT1
POST-TROPICAL CYCLONE ANDREA FORECAST/ADVISORY NUMBER 3
NWS NATIONAL HURRICANE CENTER MIAMI FL AL012025
0300 UTC WED JUN 25 2025
POST-TROPICAL CYCLONE CENTER LOCATED NEAR 38.7N 45.2W AT 25/0300Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR 60 DEGREES AT 17 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1015 MB
MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT.
4 M SEAS.... 0NE 0SE 60SW 0NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
REPEAT...CENTER LOCATED NEAR 38.7N 45.2W AT 25/0300Z
AT 25/0000Z CENTER WAS LOCATED NEAR 38.3N 45.7W
FORECAST VALID 25/1200Z 40.1N 41.1W...POST-TROP/REMNT LOW
MAX WIND 25 KT...GUSTS 35 KT.
FORECAST VALID 26/0000Z...DISSIPATED
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 38.7N 45.2W
THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE
CENTER ON THIS SYSTEM. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE
FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER
SERVICE...UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC.
$$
FORECASTER PAPIN
- Wed, 25 Jun 2025 02:46:06 +0000: Atlantic Post-Tropical Cyclone Andrea Discussion Number 3 - Atlantic Post-Tropical Cyclone Andrea Discussion Number 3
404
WTNT41 KNHC 250245
TCDAT1
Post-Tropical Cyclone Andrea Discussion Number 3
NWS National Hurricane Center Miami FL AL012025
1100 PM AST Tue Jun 24 2025
Andrea is now a remnant low. The system has lacked deep convection
since earlier this morning and is unlikely to redevelop any while
traversing increasingly cold sea-surface temperatures, strong
northeasterly vertical wind shear, and very dry mid-level air.
Therefore, this will be the final advisory on Andrea. Scatterometer
data received after the last advisory also indicates winds have
decreased to about 30 kt. The remnant low should continue to spin
down, with the various global and regional model guidance showing
the circulation opening up into a surface trough in about 24 hours.
The initial motion is 060/17 kt. This motion is expected to continue
until the remnant low dissipates. Additional information on this
system can be found in High Seas Forecasts issued by the National
Weather Service, under AWIPS header NFDHSFAT1, WMO header FZNT01
KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php
FORECAST POSITIONS AND MAX WINDS
INIT 25/0300Z 38.7N 45.2W 30 KT 35 MPH...POST-TROP/REMNT LOW
12H 25/1200Z 40.1N 41.1W 25 KT 30 MPH...POST-TROP/REMNT LOW
24H 26/0000Z...DISSIPATED
$$
Forecaster Papin
2 Day Tropical Weather Outlook
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