Daily update- Tuesday, May 17, 2016

NWPAC outlook, 17 MAY

The north region continues to show signs of completely shaking off the cold chill of winter and spring, while wet weather continues to plague the central region. Wet weather is in store for much of the south region, a welcome relief from the early summer heat, and the tropics are still showing slow signs of a slowly-maturing season.

 NORTH

A relatively potent storm system is pushing through Japan today, dragging along brisk winds and some showers and thunderstorms as it slides through. Air behind the front is mostly unchanged, aside from lower humidity levels. Temperatures over inland China have rebounded well into the 30’s now, so it’s starting to feel a lot like summer there, as well as Mongolia, where high temperatures will be well into the mid 20’s (mid 70’s F) this afternoon. Aside from showers and thunderstorms in Japan with the passing cold front, the remainder of the region will see a nice, but quite warm, day today.

CENTRAL

As the latest storm system pulls out of the central region, we find another trialing cold front that has slowed down significantly along its southern end, and is draped over offshore spots in the region. Lingering moisture and energy will bring a good chance for showers and thunderstorms to the Ryukyu Islands and Taiwan this afternoon, and keep it quite cloudy over southeastern China. The rest of the region will see a warm day with lots of sunshine.

SOUTH 

Building moisture across the south region, thanks in part to the beginnings of a very slow, general shift of the seasonal monsoon flow. Parts of Indochina are already feeling the shift, as moisture gets pulled into the area from the southwest, aided by a developing cyclone in the Indian Ocean. The shift is far weaker as you travel eastward, so the Philippines hasn’t quite seen the effects of the shift, other than an overall state of increased moisture in the atmosphere, but it is also a welcome development. Most temperatures across the south region will be hot, but bearable today. Scattered showers and thunderstorms will be possible throughout the entire region, bringing welcome relief from the heat falling from the sky.

 TROPICS 

As we look out over the tropics today on satellite, we find a lot of impressive shower and thunderstorms development, in terms of coverage, but nothing in the way of organized activity anywhere in the region. Weak easterly waves are sliding along the I.T.C.Z. (Inter-Tropical Convergence Zone) from east to west, with one wave located in the west near Indonesia, and two rather impressive waves sliding through Micronesia. These pulses will continue to enhance the rainfall chances for all tropical locations through the day today.

Have a terrific Tuesday!

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

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