Note: This report catalogs recent tropical cyclones across the North Atlantic and East Pacific and places each basin’s tropical cyclone activity in a climate-scale context. It is not updated in real time. Users seeking the real time status and forecasts of tropical cyclones should visit The National Hurricane Center.
Pacific Basin
One tropical storm and one hurricane formed in the East Pacific during November. Hurricane Sergio was a strong category 2 storm and the strongest hurricane to form or exist in November in the East North Pacific. Each of these storms is summarized below.
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Tropical Storm Rosa Satellite Image |
Tropical Storm Rosa Track map Saffir-Simpson Scale Color Legend |
On the 6th, a tropical low formed off the Central
American coast. Rosa became the first tropical cyclone to develop
in November since the 2002 season. By the 9th, the storm
strengthened and became a weak tropical storm, yet weakened back
into a depression later that same day. At the peak of the storm,
winds were approximately 35 kt (50 mph) and minimum central
pressure was 1003 millibars (29.62 inches of mercury). The ACE
value for Rosa was 0.2450 x 104 kt2. More information
on Rosa is available from the NOAA National Hurricane
Center. |
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Hurricane Sergio Satellite Image |
Hurricane Sergio Track map Saffir-Simpson Scale Color Legend |
A tropical depression formed off the coast of
Mexico on the 13th and quickly strengthened into a tropical storm
that same day. For the first time since the 1961 season, two named
storms had formed in November in the East North Pacific basin.
Tropical Storm Sergio continued to organize and was upgraded to a
hurricane by the 15th. Later that same day, the storm deepened and
the minimum central pressure dropped to 965 millibars (28.50 inches
of mercury), the strongest hurricane to form or exist in this basin
in November. Maximum sustained winds were 95 kt (110 mph). Sergio's
strength fluctuated over the next several days before dissipating
on the 20th and becoming the longest-lasting tropical cyclone on
record in the East North Pacific during November. The ACE value for
Sergio was 7.7325 x 104 kt2. More information
on Sergio is available from the NOAA National Hurricane
Center. |