Bob Blog 8 Nov

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 Sun 08 Nov 2020

 

The Tropics

Tropical Cyclone ETA  has been bringing damaging wind and rain to central America recently and is now heading to Cuba. In Guatemala a remote village has been buried by landslides and around 100 people are feared dead.  In Honduras, at least 23 deaths have been confirmed.

ATSANI is about to travelling southwestwards near Hong Kong.

 

WEATHER ZONES

SPCZ=South Pacific Convergence zone.

SPCZ is somewhat north of its normal position this week from Solomon islands to Samoa, with scattered activity around French Polynesia.

Another convergence zone or upper trough is expected to be over New Caledonia on Tuesday/Wednesday and Fiji on Wednesday/Thursday.

 

Subtropical ridge (STR)

HIGH 1028hpa easing to 1020 over Tasmania today should cross central Tasman Sea and then northern NZ Thursday/Friday

 

NZ/Tasman troughs

LOW 994 over central NZ tonight expected to move off to SE Monday.

However, trailing trough is expected to linger over northern NZ and deepen into low on Monday that travels slowly southeast over NE NZ on Tuesday and off to southeast on Wednesday and in Tasman sea moving slowly east along 30S should reach northern NZ by Friday.

NW flow over South Island on Friday 13th followed by a trough on Saturday.

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Weathergram archive (with translator) is at weathergram.blogspot.co.nz.

Contact is bob@metbob.com or txt 6427 7762212

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