This product is updated at approximately
5 AM, 11 AM, 5 PM, and 11 PM PDT
from May 15 to November 30, with special outlooks issued at any time as conditions warrant.
The graphic describes potential new tropical cyclone formation only;
currently active cyclones are not shown.
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Tropical Weather Outlook Text
ZCZC MIATWOEP ALL
TTAA00 KNHC DDHHMM
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 AM PDT SUN MAY 24 2015
For the eastern North Pacific...east of 140 degrees west longitude:
1. The area of low pressure located about 1400 miles southeast of the
Big Island of Hawaii has degenerated into a trough. The associated
shower activity remains limited, and development of this system is
* Formation chance through 48 hours...low...10 percent
* Formation chance through 5 days...low...10 percent
2. A broad and elongated area of low pressure located about 1550 miles
west-southwest of the southern tip of Baja California is moving
west-northwestward at 10 to 15 mph. Although showers and
thunderstorms have increased this morning, the activity remains
disorganized. Environmental conditions are forecast to become less
favorable for development during the next day or so, and the chance
of this system becoming a tropical cyclone is decreasing.
* Formation chance through 48 hours...medium...40 percent
* Formation chance through 5 days...medium...40 percent
3. An area of low pressure is expected to form several hundred
miles south of the coast of Mexico during the next couple of days.
Environmental conditions are expected to be conducive for
gradual development of the system by mid-week while it moves
west-northwestward to northwestward.
* Formation chance through 48 hours...low...near 0 percent
* Formation chance through 5 days...medium...50 percent