CX723-A330

1. Showers and thunderstorms continue to become better organized near
an area of low pressure located several hundred miles
south-southwest of the Gulf of Tehuantepec.  Environmental
conditions are expected to be conducive for development, and a
tropical depression could form later tonight or on Tuesday while
the low moves slowly westward to west-northwestward.
* Formation chance through 48 hours...high...60 percent.
* Formation chance through 5 days...high...80 percent.

High

CX723-A330

1. A broad area of low pressure centered a couple of hundred miles
south of the Gulf of Tehuantepec is producing some disorganized
shower and thunderstorm activity.  Environmental conditions are
forecast to become increasingly conducive for development, and
tropical cyclone formation is likely by the middle of next week
while the system drifts toward the west-northwest or northwest.
* Formation chance through 48 hours...medium...30 percent.
* Formation chance through 5 days...high...80 percent.

NHC升Medium

CX723-A330

1. Showers and thunderstorms have increased near a broad area of low
pressure centered a couple hundred miles south of the Gulf of
Tehuantepec.  Environmental conditions are forecast to become
increasingly conducive for some development after Sunday, and
tropical cyclone formation is likely by the middle of next week
while the system drifts toward the west-northwest or northwest.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 5 days...high...70 percent.

Forecaster Blake

現時NHC評Low
預料5日後為High