Alastair Thompson Profile picture
Climate, Conflict, Politics, Africa. Editor https://t.co/b6HbxvlPDn (NZ) Reporting from France. https://t.co/LNVK0y9b2z #nzpol #DesertRain

Jul 14, 2021, 6 tweets

This GFS weather model setup in the West Pacific (next 16 days) looks pretty hazardous beyond #Invest98W which is forecast to become a cyclone within the next three days.

Here as still images.
- 20 July - Impacting China and Southern Japan
- 21 July - Landfall China
- 24 July - Three lows near Japan (1 cyclonic)
- 30 July - Two new lows in typhoon formation zone

The PWAT forecasts show a very significant increase in precipitable water over this period. This is the first 120 hours from GFS Hourly model.

Over the following five days 120-240 hours the intensity of the West Pacific Monsoon increases further.

And then it continues. By the end the end of the month there are large areas of the monsoon with 3-4 inches or PWAT in the water column and seven visible rotating low pressure systems.

The MLSP at this point shows 9 tropical lows over water, and one depression.

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