A wet weather pattern is developing over the western half of
Micronesia. A circulation could be found near 3N143E this morning.
Satellite imagery showed spotty coverage of showers and thunderstorms
associated with this feature. The circulation is nearly stationary
but is expected to move westward and be near Palau by Saturday.
Models show showers and thunderstorms increasing in coverage as the
system moves westward. Scattered showers and isolated thunderstorms
will begin at Yap tonight and continue through Sunday. Similar
conditions will begin at Palau Thursday and also continue through
Sunday. Improving conditions are expected at these two locations
Monday. At this time models keep the circulation relatively weak but
periods of heavy showers are expected at the two locations. Models
hint at gusty winds through the period of inclement weather. The
gusty winds may create choppy seas.
2020 WPAC Season
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Re: 2020 WPAC Season
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Re: 2020 WPAC Season
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Re: 2020 WPAC Season
06Z GFS wants to develop two named systems with one strong typhoon, another Goni and Atsani duo?
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ヤンデレ女が寝取られるているのを見たい!!!
ECMWF ensemble NWPAC plots: https://ecmwfensnwpac.imgbb.com/
Multimodel NWPAC plots: https://multimodelnwpac.imgbb.com/
GFS Ensemble NWPAC plots (16 & 35 day forecast): https://gefsnwpac.imgbb.com/
Plots updated automatically
ECMWF ensemble NWPAC plots: https://ecmwfensnwpac.imgbb.com/
Multimodel NWPAC plots: https://multimodelnwpac.imgbb.com/
GFS Ensemble NWPAC plots (16 & 35 day forecast): https://gefsnwpac.imgbb.com/
Plots updated automatically
- doomhaMwx
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Re: 2020 WPAC Season
JTWC is at 6 TS's for October. Atsani didn't become a TS until Nov 2.
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Re: 2020 WPAC Season
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Re: 2020 WPAC Season
Etau on the left and Vamco on the right. Deepest run so far.
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Re: 2020 WPAC Season
Pretty remarkable agreement with the globals.
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Re: 2020 WPAC Season
A monsoon like pattern developing across Micronesia.
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Re: 2020 WPAC Season
As indicated in the previous forecast
it still looks like most of the energy from the approaching trade-
wind disturbance will pass south of the Guam coastal waters late
Thursday night through Friday. This is consistent between the various
models. One significant difference is what happens after the initial
passage where the GFS takes energy from the surface trough currently
near Pohnpei and joins the disturbance, creating trough of low
pressure that pushes south of the Marianas starting on Saturday.
Each run, though, shows the meeting farther to the west and farther
south...closer to Yap. The ECMWF does not show this impulse at all.
A broad circulation is centered near 6N141E producing widespread
spotty showers and isolated thunderstorms. Satellite imagery shows
little evidence of any organized convection within the circulation
with most of the showers occurring along the periphery. Models
indicate a tighter circulation center southeast of Yap may develop,
primarily in the GFS, on Thursday night and passing through by
Saturday. The difference is GFS is trying extend the trough back
east of Yap on Saturday in response from the arrival of the low
pressure through currently in the vicinity of Pohnpei. This would
help create an area of southwest monsoon winds for Palau and Yap
until Monday morning. The ECMWF does little with the Pohnpei energy
other than to bring in some mid-level vorticity which could trigger a
thunderstorm or two. The ECMWF does not hold the circulation back and
keeps moving it on through the southern Philippines.
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Re: 2020 WPAC Season
EURO deepens the SCS system stronger out of the two, a significant typhoon affecting Vietnam.
GFS continues with it's previous forecast.
GFS continues with it's previous forecast.
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Re: 2020 WPAC Season
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Re: 2020 WPAC Season
The second system should be interesting. GFS starts ramping it up by 66 hours and peaking at 944 mb with another Taiwan landfall.
EURO does nothing with it.
EURO does nothing with it.
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Re: 2020 WPAC Season
Literally all of the globals supports GFS's forecast of the 2nd system being stronger.
EURO is the lone model.
EURO is the lone model.
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Re: 2020 WPAC Season
Now EURO hops aboard.
GFS peak 944 mb.
GFS peak 944 mb.
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Re: 2020 WPAC Season
Ouch. EURO with a 981 mb typhoon landfall over flood ravaged Vietnam.
GFS landfalls 960 mb into Luzon.
GFS landfalls 960 mb into Luzon.
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- mrbagyo
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Re: 2020 WPAC Season
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Re: 2020 WPAC Season
euro6208 wrote:Ouch. EURO with a 981 mb typhoon landfall over flood ravaged Vietnam.
GFS landfalls 960 mb into Luzon.
That's too much Euro!....how many typhoons has that area of Vietnam experienced this season?
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- mrbagyo
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Re: 2020 WPAC Season
HWRF
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- 1900hurricane
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Re: 2020 WPAC Season
Wind shear is pretty strong across much of the open WPac east of the Philippines. That's pretty normal with seasonal but strong zonal subtropical ridging stretching across the basin. Development is more likely near the western edge of the ridge where shear lets up, near the Philippines and in the South China Sea.
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