000
AXPZ20 KNHC 090330
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SUN AUG 09 2009

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN
FROM THE EQUATOR TO 32N...EAST OF 140W. 

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0330 UTC.

...TROPICAL WAVES...
TROPICAL WAVE IS ALONG 82W N OF 4N MOVING W AT 20 KT. THIS WAVE 
SHOWS A MAXIMUM IN PRECIPITABLE WATER ALONG THE WAVE AXIS. 
SCATTERED SHOWERS ARE WITHIN 60 NM OF THE WAVE. 

TROPICAL WAVE IS W OF THE GULF OF TEHUANTEPEC ALONG 98W NORTH OF 
07N MOVING W AT 15 KT. CYCLONIC TURNING IS NOTED NEAR AND TO THE 
EAST OF THE WAVE AXIS. SCATTERED SHOWERS ARE WITHIN 60 NM OF THE 
WAVE AXIS.

TROPICAL WAVE IS ALONG 126W FROM 06N TO 14N MOVING W AT 10 KT. 
AN INVERTED-V LOW CLOUD SIGNATURE IS NOTED. SCATTERED SHOWERS 
ARE WITHIN 60 NM OF THE WAVE AXIS.

...ITCZ...

THE AXIS IS FROM 05N77W TO 08N82W TO 09N100W 08N110W TO 14118W 
TO 09N130W 07N140W. SCATTERED MODERATE TO ISOLATED STRONG 
CONVECTION IS FROM 04N TO 08N BETWEEN 88W AND 92W. SCATTERED 
MODERATE CONVECTION IS FROM 07N TO 09N BETWEEN 107W AND 
109W...AND FROM 08N TO 11N BETWEEN 129W AND 138W.
    
...DISCUSSION...

A MID TO UPPER LEVEL ANTICYCLONE NEAR 24N140W CONTINUES TO 
PROVIDE STEERING TO HURRICANE FELICIA NEAR 20N143W. REFER TO 
ADVISORIES ISSUED BY THE CENTRAL PACIFIC HURRICANE CENTER UNDER 
AWIPS/WMO HEADERS TCPCP2/WTPA32 PHFO...AND THE HAWAIIAN ISLANDS 
SATELLITE INTERPRETATION MESSAGE UNDER AWIPS/WMO HEADERS 
HFOSIMHI/ATHW40 PHFO. AN AREA OF STRONG SUBSIDENCE ALOFT IS 
PUSHING SWD ALONG THE E SIDE OF THE ANTICYCLONE TO 20N BETWEEN 
127W AND 135W.

A MIDDLE AND UPPER LEVEL TROUGH EXTENDS FROM A CYCLONIC 
CIRCULATION OVER WYOMING TO SOUTHERN CALIFORNIA TO A CYCLONIC 
CIRCULATION NEAR 26N127W. AT THE SURFACE...THE REMNANT LOW OF 
T.D. ENRIQUE IS NEAR 23N131W. FURTHER SE...A 1010 MB LOW IS 
CENTERED NEAR 14N118W WITH WIDELY SCATTERED MODERATE CONVECTION 
WITHIN 120 NM OF THE CENTER.

A CYCLONIC CIRCULATION IS CENTERED NEAR 14N106W WITH SIGNIFICANT 
UPPER LEVEL MOISTURE. DIFFLUENT FLOW FROM THIS CIRCULATION IS 
PRODUCING POCKETS OF CONVECTION E OF BAJA CALIFORNIA. 

$$
FORMOSA