133 
AXPZ20 KNHC 172046
TWDEP 

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1723 UTC Fri Aug 17 2018

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
meteorological analysis.

Based on 1800 UTC surface analysis and satellite imagery through
2100 UTC. 

...SPECIAL FEATURE...

Hurricane Lane centered near 11.5N 134.1W at 2100 UTC, moving W 
at 14 kt. Estimated minimum central pressure is 973 mb. Maximum 
sustained winds are 95 kt with gusts to 115 kt. Numerous 
moderate to strong convection is noted within 120 nm of the 
center. Lane is expected to intensify, and move W of 140W into 
the central Pacific Sat night. See latest NHC forecast/ advisory 
under AWIPS/WMO headers MIATCPEP4/WTPZ34 KNHC for more details.

...TROPICAL WAVES...

The axis of a tropical wave is near 100W extending north of 05N,
moving W at 10 to 15 kt. Scattered moderate to strong convection
is noted from 11N to 16N between 96W and 106W.

The axis of a tropical wave is near 115N from 05N to 15N, moving
W at 10 to 15 kt. Scattered moderate isolated strong convection 
is noted from 09N to 15N between 107W and 120W.
   
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 

The monsoon trough extends from 09N85W to 10N90W to 09N98W to 
11N108W to 10N115W to 12N121W. Scattered moderate isolated strong
convection is noted from 03N to 07N E of 80W.

...DISCUSSION...

OFFSHORE WATERS WITHIN 250 NM OF MEXICO... 

Surface ridging west of the offshore waters area will support 
gentle to moderate NW winds through early next week.

No major gap wind events are expected in the Gulf of 
Tehuantepec, though nocturnal northerly drainage flow around 
15-20 kt is expected tonight.

OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND 
WITHIN 750 NM OF ECUADOR...

The monsoon trough will meander near 09N the next few days. 
Winds on both sides of the trough axis will be moderate or 
weaker. The only exception is in the Gulf of Papagayo, where 
winds will pulse to moderate to fresh each night.

REMAINDER OF THE AREA...   

Please see the Special Features section for information on 
Hurricane Lane.

Otherwise, ridging will extend from NW to SE across the waters N
of the convergence zone for the next several days. Gentle to 
moderate trades and 4-7 ft seas in mixed swell will prevail.
  
$$
AL