Bob Blog 25 Sep

Bob McDavitt's ideas for sailing around the South Pacific.
Disclaimer: Weather is a mix of pattern and chaos; these ideas are from the
patterned world.
Compiled Sunday 25 September 2022

TC FIONA
After devasting Puerto Rico, Tropical Cyclone Fiona travelled north and did
an extra-tropical transition with cold air wrapping around and squeezing off
the warm core. It then made land fall over Port aux Basques in Nova Scotia,
Canada, with a measured baro of 913hPa, a new Canadian record.
twitter.com/i/status/1572761254153920512
twitter.com/i/status/1573776053453164552
twitter.com/i/status/1573539748466999296
twitter.com/i/status/1573582481026162700
twitter.com/i/status/1573534734805868546

The storm surge washed away houses:
twitter.com/i/status/1573659603417579522

TROPICS
The latest cyclone activity report is at tropic.ssec.wisc.edu and Tropical
Cyclone Potential is from www.ssd.noaa.gov/PS/TROP/TCFP/index.html

We are having the late September flush with 6 cyclones.

IAN is approaching Florida, while GASTION and HERMINE are also in the
Atlantic and NEWTON is in the eastern Pacific. NORU is moving onto the
Philippines.


WEATHER ZONES
SPCZ=South Pacific Convergence zone
The SPCZ stretches from Coral Sea. L2 is forming east of Fiji and expected
to go to Tonga. Avoid.

HIGHS and LOWS
Low L1 in mid Tasman Sea is expected to go southeast to south of Aotearoa
NZ.
Low L3 east of Aotearoa NZ is expected to travel off to the northeast
followed by H1.
Low L4 is expected to form over New South Wales by mid-week and then travel
towards North Island by early October. Avoid.

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