000
AXPZ20 KNHC 262120
TWDEP 

TROPICAL WEATHER DISCUSSION                                     
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
2205 UTC FRI JUN 26 2015

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. 
 
...TROPICAL WAVES...

A TROPICAL WAVE ALONG 85W N OF 07N IS MOVING W AT 15 KT. NO 
SIGNIFICANT CONVECTION.

A WEAK TROPICAL WAVE ALONG 101W-102W N OF 13N IS MOVING W AT 10-
15 KT. NO SIGNIFICANT CONVECTION.

A TROPICAL WAVE ALONG 118W FROM 05N-15N IS MOVING W AT 10 KT. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION IS WITHIN 210 NM E 
OF THE WAVE FROM 10N TO 13N.

A TROPICAL WAVE ALONG 135W FROM 08N-17N IS MOVING W AT 10 KT. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION IS WITHIN 480 NM E 
OF THE WAVE FROM 07N TO 13N.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH EXTENDS FROM 09N85W TO 06N99W. ITCZ EXTENDS FROM 
06N99W TO 06N117W TO 09N126W TO 09N136W TO 07N140W. SCATTERED 
MODERATE CONVECTION FROM 05N TO 08N BETWEEN 99W AND 102W. 

...DISCUSSION...

AN UPPER LEVEL RIDGE EXTENDING FROM AN ANTICYCLONE CENTERED NEAR 
11N100W TO AN ANTICYCLONE CENTERED NEAR 10N135W ENHANCING DEEP 
CONVECTION ASSOCIATED WITH THE CONVERGENCE ZONE. SCATTEROMETER 
DATA SHOWS GENTLE TO MODERATE TRADE WINDS CONTINUING OVER MOST 
OF THE DISCUSSION AREA. A TIGHTER PRESSURE GRADIENT BETWEEN THE 
RIDGE AND A TROPICAL WAVE ALONG 135W SUPPORT 15-20 KT EASTERLY 
WINDS FROM 12N TO 19N BETWEEN 131W AND 138W...AND 7-8 FT SEAS. 
THIS AREA OF ENHANCED WINDS AND SEAS IS EXPECTED TO SHIFT W IN 
TANDEM WITH THE TROPICAL WAVE THROUGH SUN.
 
GULF OF TEHUANTEPEC...WINDS WILL QUICKLY DIMINISH THROUGH SAT 
WITH ANOTHER BRIEF 20-25 KT NORTHERLY SURGE LATE TONIGHT...AND 
SEAS SUBSIDING BELOW 8 FT BY SAT MORNING.

GULF OF PAPAGAYO...NE 20-25 KT NOCTURNAL PULSES E OF 89W ARE 
EXPECTED AGAIN TONIGHT...THEN ONLY 15-20 KT EASTERLY WINDS SUN 
NIGHT. RESULTANT E-NE SWELL WILL CONTINUE TO PROPAGATE W TO 92W 
MIXING WITH CROSS-EQUATORIAL SW SWELL FOR COMBINED SEAS TO 8 FT.

$$
MUNDELL