AXPZ20 KNHC 260132
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
0405 UTC Mon Aug 26 2019
Tropical Weather Discussion for the eastern Pacific Ocean from
the Equator to 32N, east of 140W. The following information is
based on satellite imagery, weather observations, radar, and
Based on 0000 UTC surface analysis and satellite imagery through
A tropical wave crossing Central America with axis along 88W
will move west at 10 to 15 kt into the tropical eastern Pacific
later tonight. Scattered moderate convection is from 04N to 10N
between 80W and 91W.
A tropical wave with axis along 118W from 02N to 15N is moving W
at 10 to 15 kt. Scattered moderate isolated strong convection is
from 05N to 14N between 115W and 123W.
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
The monsoon trough extends from 08N78W to 09N110W to 09N114W to
07N125W, the resumes near 15N130W to 12N136W to 14N140W. Aside
from the convection associated with the tropical waves,
scattered moderate convection is from 06N to 14N W of 134W.
OFFSHORE WATERS WITHIN 250 NM OF MEXICO...
Post-Tropical Cyclone Ivo centered near 26.1N 118.1W at 26/0000
UTC moving NNW at 6 kt. Estimated minimum central pressure is
1007 mb. Maximum sustained wind speed is 25 kt with gusts to 35
kt. A decrease in forward speed and a turn to the north is
forecast to occur later tonight or on Monday before dissipating
Tue night. Scattered showers are within 120 nm SW quadrant of
Ivo. Southwesterly swell will continue to produce seas of 8 to 9
ft through tonight over the Baja California offshore waters from
Cabo San Lazaro to Ensenada, which will lead to large and
dangerous surf. Ivo's last Forecast/Advisory can be found under
AWIPS/WMO Headers MIATCMEP5/WTPZ25 KNHC.
A broad area of low pressure developing near Las Tres Marias
Islands is supporting moderate to fresh NW winds at the entrance
and southern Gulf of California. These winds will prevail
OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND
WITHIN 750 NM OF ECUADOR...
A tropical wave moving across the tropical eastern Pacific
waters will continue to support scattered moderate isolated
strong showers north of 04N E of 91W through Mon. Higher winds
and waves are likely with this activity.
Moderate to fresh NE winds will pulse at night across the Gulf
of Papagayo region through Wed morning when winds will increase
to strong speeds with building seas. Fresh to strong winds will
then prevail through Thu.
Gentle to moderate south to southwesterly winds will dominate
the offshore waters of Colombia, Ecuador and The Galapagos
Islands through Fri along with small to moderate long period
cross-equatorial SW swell.
REMAINDER OF THE AREA...
A weak low pressure near 15N130W continue to generate scattered
showers from 11N to 16N between 129W and 133W. An earlier
scatterometer pass showed fresh winds within 60 to 75 nm of the
low center. The low is forecast to move west of the area on Mon.
Otherwise, weak high pressure will dominate the remainder
forecast waters N of 20N W of 120W where light to gentle
variable winds will dominate. Moderate NE to E winds are
forecast through Fri between the ridge and the monsoon