Updated: 9:15 am SST on December 07, 2005
Occasional showers with isolated thunderstorms. Highs in the mid 80s. Variable winds 10 mph...with higher gusts in showers.
Scattered showers with isolated thunderstorms. Lows near 80. High near 90. Variable winds 10 mph.
Occasional showers. Highs in the upper 80s. Lows near 80. Variable winds 10 mph.
A few showers. Highs near 90. Northwest winds 10 to 15 mph.
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Area forecast discussion...updated National Weather Service tiyan GU 450 PM chst Monday Aug 31 2015 Updated to add micronesian discussion sections Synopsis... radar and satellite show isolated showers and thunderstorms across the area with heavier showers fueled by island effect convection. A monsoon trough runs through a weak circulation southwest of Guam near 11n143e. Also...a weak disturbance well NE of Saipan is causing showers and thunderstorms near 16n157e. VAD gradient winds are light easterly and buoys range from 3 feet at ipan to 5 to 6 feet at tanapag. && Discussion... generally fair weather is expected this week except a moist lower atmosphere and light surface winds will trigger isolated showers and thunderstorms across the marianas through Wednesday at least. Most models indicate some middle-level drying by Thursday...but also indicate the weak monsoon trough currently along 11n-12n will edge northward as this week progresses. && Marine... gentle to moderate marine conditions will continue. Wave grids were adjusted slightly based on wave watch model and wind grids were refreshed with gfs40 31/00z output. && Eastern micronesia... stream line analysis shows a monsoon trough stretching east- southeastward across the western Pacific from 15n130e through weak circulations centered just southwest of Guam near 11n143e and just southwest of Majuro near 6n171e...then heads eastward past the date line at 6n. Scattered to numerous showers and isolated thunderstorms are found across a broad area of eastern micronesia mainly east of Kosrae south of 8n. The fringes of deep convection have made progress over Majuro and Kosrae waters with unsettled weather expected to persist on Majuro through at least Tuesday and through tonight on Kosrae. For Pohnpei...models show the bulk of scattered showers staying south and east of Pohnpei all week so opted to leave isolated coverage through the long term. Active weather in general is expected to slowly fade over the next few days with skies likely remaining mostly cloudy as broad but weak low-level convergence will persist across the region. && Western micronesia... scattered showers are present within convergent monsoonal flow across Palau and Yap state. The zone of low-level convergence and associated shower activity is expected to shift south of Yap over the next 24 hours but remain over Koror through at least Tuesday night. Ridging tries to move over Palau and Yap state from the south...allowing drier conditions to move into the area by midweek. Quiet conditions are expected on Chuuk for the next couple of days. Activity from Pohnpei state will make it into Chuuk state by midweek...increasing cloud cover and possibly adding periods of scattered showers. && Gum watches/warnings/advisories... GU...none. Marianas waters...none. && $$ Simpson/Williams