Weekend update- May 28/29, 2016

NWPAC outlook, 28-29 MAY

The north region will see a mixed bag of weather as cold air sides across the north and summer settles into the rest of the region. The central region will continue to deal with the méiyǔ front and additional moisture from the remnants of 90W. The south will clear out just a bit, but the rainy season is underway as moisture is still plentiful. The tropics remain quiet, with a current lull in activity that will be our last break before storm formation starts to become a real possibility.

NORTH

A mass of colder air is clipping the extreme northernmost portions of the north region, creating a wild temperature ride for those in Mongolia. Today will see a high of only 11C (52F) in the nation’s capital, following a warm 26C (79F) high yesterday. This will be followed by a strong rebound tomorrow, back to the lower 20’s (lower 70’s F). The frontal system bringing in the colder air is relatively dry, generating clouds and just a few spotty showers. Most of the inclement weather is located in the eastern portions of the region, where overriding moisture brings cloudiness to Japan, and a trailing cold front combines with incoming tropical moisture to help generate lots of rain for eastern China.

CENTRAL

Although the central region is getting a bit of a break from méiyǔ front energy this weekend, tropical moisture associated with the remnants of 90W will slowly drift northward across the region and bring a good chance for showers and thunderstorms across the region, especially to the east and south. Temperatures will be very warm across the region, with lower readings where rainfall is more plentiful.

 SOUTH

The remnants of 90W are moving out of the region, but a couple of strong trough features remain over the south region, especially over the Southeast Asian peninsula. Wet conditions will persist over Vietnam, Cambodia, Laos, and Thailand as this energy works with the developing monsoonal flow to bring widespread shower and thunderstorm activity to the area. The Philippines will also see some showers and thunderstorms as a weak trough gives the afternoon heating some lifting to work with. Tropical moisture is well in pace across the entirety of the region, so everyone can expect even the slightest possibility of a showers through the weekend.

 TROPICS

With the demise of 90W, the tropics offer up nothing else in the way of significantly disturbed weather. A couple of very weak easterly wave features are drifting along the general westward flow of the I.T.C.Z. (Inter-Tropical Convergence Zone) in Micronesia, and general convergence and tropical cloudiness is present over much of the region. Except for the more northerly island locations, just about everyone can expect a good chance for afternoon showers and thunderstorms through the weekend.

Have a wonderful weekend!

Courtesy: CIMSS, Tropical Tidbits, Intellicast, WUnderground.com

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