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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 PM PDT Thu Jul 29 2021
For the eastern North Pacific...east of 140 degrees west longitude:
1. Showers and thunderstorms are gradually becoming better organized
in association with an area of low pressure located about 600 miles
southwest of the coast of southwestern Mexico. Environmental
conditions are conducive for continued development, and a tropical
depression or tropical storm is expected to form during the next
day or two while the system moves west-northwestward at 10 to 15
mph. For more information on this system, please see High Seas
forecasts issued by the NOAA Tropical Analysis and Forecast Branch.
* Formation chance through 48 hours...high...90 percent.
* Formation chance through 5 days...high...90 percent.
2. Another area of low pressure is located about 1100 miles southwest
of the southern tip of the Baja California peninsula. At this
time, the associated shower and thunderstorm activity is poorly
organized and confined to an area southeast of the center.
Upper-level winds are expected to become more conducive for
development during the next couple of days, and a tropical
depression is likely to form over the weekend while the system moves
generally westward at 5 to 10 mph.
* Formation chance through 48 hours...medium...60 percent.
* Formation chance through 5 days...high...80 percent.
3. An area of disturbed weather has formed several hundred miles
south-southeast of the Gulf of Tehuantepec. Additional gradual
development is possible during the next several days while the
system moves west-northwestward at 10 to 15 mph.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...30 percent.
High Seas Forecasts issued by the National Weather Service can be
found under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and on
the web at ocean.weather.gov/shtml/NFDHSFEPI.php