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Eastern Pacific Tropical Weather Discussion (Text)



000
AXPZ20 KNHC 020902
TWDEP 

TROPICAL WEATHER DISCUSSION                                     
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
1005 UTC THU JUL 02 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC. 

...TROPICAL WAVES...

TROPICAL WAVE N OF 9N ALONG 87W MOVING W 15 KT. NO SIGNIFICANT 
CONVECTION.

TROPICAL WAVE FROM 8N TO 15N ALONG 100W MOVING W 15 KT. NO 
SIGNIFICANT CONVECTION.

TROPICAL WAVE FROM 8N TO 16N ALONG 110W MOVING W 15-20 KT.
NO SIGNIFICANT CONVECTION.

TROPICAL WAVE FROM 6N TO 14N ALONG 130W/131W IS EMBEDDED IN A 
LARGE AREA OF SHOWERS AND THUNDERSTORMS ALONG THE ITCZ RELATED 
TO UPPER LEVEL DIVERGENCE.

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

ITCZ FROM 7N86W TO 5N105W TO 7N110W TO 8N130 9N140W. SCATTERED 
MODERATE TO STRONG CONVECTION FROM 6N-15N BETWEEN 116W-140W.

...DISCUSSION...

AN UPPER LEVEL TROUGH ACROSS THE FAR NW PORTION OF THE 
DISCUSSION AREA EXTENDS FROM A CYCLONIC CIRCULATION NEAR 28N137W 
TO ANOTHER CYCLONIC CIRCULATION NEAR 29N128W TO THE SOUTHERN TIP 
OF BAJA CALIFORNIA. STRONG SUBSIDENCE WITH DRY AND STABLE AIR AT 
THE MIDDLE AND UPPER LEVELS IS N OF 20N BETWEEN 110W-125W. A 
BROAD UPPER LEVEL RIDGE IS S OF THE TROUGH...WITH A BROAD UPPER 
LEVEL ANTICYCLONIC CIRCULATION AROUND 10N120W. DIVERGENT FLOW 
ALOFT ASSOCIATED WITH THE ANTICYCLONE IS ENHANCING CONVECTION 
FROM 6N-15N BETWEEN 116W-140W.

A WEAK SURFACE RIDGE ACROSS NORTHERN PORTION OF THE AREA N OF 
16N W OF 110W. AN AREA OF NE WINDS 15-20 KT FROM 10N-16N W OF 
125W. OTHERWISE WINDS 15 KT OR LESS ACROSS THE AREA...EXCEPT IN 
THE GULF OF PAPAGAYO.                                

GULF OF PAPAGAYO...ELY WINDS 20-25 KT WINDS WITH SEAS WILL TO 8  
FT. THESE CONDITIONS WILL CONTINUE THROUGH FRI NIGHT.

NLY WINDS WILL INCREASE TO 20-25 KT WITH SEAS TO 8 FT THROUGH 
THE GULF OF TEHUANTEPEC LATER THIS MORNING...THEN DECREASE TO 20 
KT OR LESS AND SEAS LESS THAN 8 FT FRI NIGHT.

$$ 
DGS

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Page last modified: Thursday, 02-Jul-2015 09:02:34 UTC