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TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 PM PDT WED SEP 21 2016
For the eastern North Pacific...east of 140 degrees west longitude:
1. A large area of cloudiness and thunderstorms associated with a
broad area of low pressure is located about 900 miles
south-southwest of the southern tip of the Baja California
peninsula. Although the system has changed little in organization
since yesterday, environmental conditions are expected to be
conducive for gradual development during the next several days, and
a tropical depression is likely to form later this week or over the
weekend. This system is forecast to move westward to
west-northwestward at around 10 mph for the next couple of days
and then turn northward by the weekend.
* Formation chance through 48 hours...medium...50 percent
* Formation chance through 5 days...high...80 percent
2. Showers and thunderstorms associated with a weak area of low
pressure located about 1325 miles east-southeast of the Big Island
of Hawaii have changed little in organization since this morning.
Any additional development of this system is expected to be slow to
occur while it moves slowly westward during the next few days.
* Formation chance through 48 hours...low...20 percent
* Formation chance through 5 days...low...30 percent
Forecaster Brown
Original author: NHC
