Daily update- Monday, June 13, 2016

NWPAC outlook, 13 JUN

Rainfall and summertime heat sets into the north region while showers and thunderstorms continue to batter the central region. A few showers and thunderstorms will help bring relief from the heat in the south while the tropics calm down…once again.

 NORTH

Rainy skies will cover much of the north region as cool air from the north clashes with the warm-tropical air that is building into the region slowly. This is all part of the East Asian rainy season, or the méiyǔ/baiyu front, as it slowly works its way to north as we approach the summer solstice. Temperatures are already quite warm across the southern one-third of the region, with dangerous highs expected over interior portions of China. This is due to warm air advection out ahead of a new, weak, cool surge coming down from the north. Heat indices in these areas could approach dangerous levels as air temperatures get up to 38C (100F).

CENTRAL

Lots of rain continues to fall across the central region, as ripples of energy move down from the north and team up with copious moisture from the south and west. The latest energy source is in the form of a stationary cold front, lolligagging just offshore of the region. Tropical moisture from a weak low pressure area from the South China Sea has teamed up with another tropical disturbance that has moved into the region from the Indian Ocean to the southwest. All of these features are teaming up to bring heavy rain and thunderstorms to parts of the region. The latest low pressure system moving in from the south has pulled away much of the moisture, so temperatures will get quite toasty across northern Vietnam and southern China, where a lack of cloud cover will let the intense sun shine through and heat things up considerably.

SOUTH

With the summer rainy season taking over in the south, most locations are getting into the usual pattern of daily afternoon showers and thunderstorms. Today will be no different, as ample moisture across the region will get a lift from the daytime heating of the sun, and erupt into showers and thunderstorms across much of the region. Temperatures will once again be pretty hot over the interior portions of Indochina, as slightly drier air limits cloud-cover a bit, and dangerous heat indices are likely in these locales.

TROPICS

There’s nothing in the way of significant activity to note in the tropics. General convergence is present within the I.T.C.Z. (Inter-Tropical Convergence Zone), but nothing of any importance is present. Most locations across the region can expect the daily dose of warm sunshine and scattered showers and thunderstorms.

Have a great Monday!

Courtesy: CIMSS, Tropical Tidbits, Intellicast, WUnderground.com, N.R.L., RAMMB-NOAA

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