Thread: Post Tropical Cyclone Michael - Atlantic

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hurricane michael advisory number 29
nws national hurricane center miami fl al132012
500 am ast mon sep 10 2012

...michael weakens a little more...


summary of 500 am ast...0900 utc...information
----------------------------------------------
location...33.5n 45.2w
about 1065 mi...1715 km w of the azores
maximum sustained winds...80 mph...130 km/h
present movement...w or 265 degrees at 7 mph...11 km/h
minimum central pressure...987 mb...29.15 inches


watches and warnings
--------------------
there are no coastal watches or warnings in effect.


discussion and 48-hour outlook
------------------------------
at 500 am ast...0900 utc...the center of hurricane michael was
located near latitude 33.5 north...longitude 45.2 west. Michael is
moving toward the west near 7 mph...11 km/h. Michael is expected to
turn northwestward by tonight...and then northward or
north-northeastward at a faster forward speed on tuesday.

maximum sustained winds are decreased to near 80 mph...130
km/h...with higher gusts. Michael is a category one hurricane on
the saffir-simpson hurricane wind scale. Weakening is forecast...
and michael could become a tropical storm by tonight.

hurricane force winds extend outward up to 15 miles...30 km...from
the center...and tropical storm force winds extend outward up to 70
miles...110 km.

estimated minimum central pressure is 987 mb...29.15 inches.


hazards affecting land
----------------------
none.


next advisory
-------------
next complete advisory...1100 am ast.

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hurricane michael advisory number 31
nws national hurricane center miami fl al132012
500 pm ast mon sep 10 2012

...michael turns toward the northwest and slowly weakens...


summary of 500 pm ast...2100 utc...information
----------------------------------------------
location...34.4n 47.6w
about 1175 mi...1885 km w of the azores
maximum sustained winds...75 mph...120 km/h
present movement...nw or 305 degrees at 12 mph...19 km/h
minimum central pressure...989 mb...29.21 inches


watches and warnings
--------------------
there are no coastal watches or warnings in effect.


discussion and 48-hour outlook
------------------------------
at 500 pm ast...2100 utc...the center of hurricane michael was
located near latitude 34.4 north...longitude 47.6 west. Michael is
moving toward the northwest near 12 mph...19 km/h. A turn toward the
north-northwest and then the north with an increase in forward
speed is expected tonight and early tuesday. A turn toward the
north-northeast with further acceleration is forecast later tuesday
and wednesday.

maximum sustained winds have decreased to near 75 mph...120 km/h...
with higher gusts. Michael is a category one hurricane on the
saffir-simpson wind scale. Steady weakening is forecast...and
michael is forecast to become a tropical storm tonight.

hurricane-force winds extend outward up to 25 miles...35 km...from
the center...and tropical-storm-force winds extend outward up to 80
miles...130 km.

the estimated minimum central pressure is 989 mb...29.21 inches.


hazards affecting land
----------------------
none.


next advisory
-------------
next complete advisory...1100 pm ast.

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Michael is now a Post Tropical cyclone and this will be the last report on this system.

POST-TROPICAL CYCLONE MICHAEL FORECAST/ADVISORY NUMBER 35
NWS NATIONAL HURRICANE CENTER MIAMI FL AL132012
2100 UTC TUE SEP 11 2012

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

POST-TROPICAL CYCLONE CENTER LOCATED NEAR 41.4N 45.8W AT 11/2100Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 25 DEGREES AT 27 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT....... 70NE 70SE 0SW 0NW.
12 FT SEAS..120NE 120SE 90SW 90NW.
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 41.4N 45.8W AT 11/2100Z
AT 11/1800Z CENTER WAS LOCATED NEAR 40.2N 46.6W

FORECAST VALID 12/0600Z 45.0N 43.0W...POST-TROP/REMNT LOW
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 12/1800Z...ABSORBED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 41.4N 45.8W