000
AXPZ20 KNHC 030914
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC WED MAY 03 2006

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 
0845 UTC

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 6N78W 8N90W 7N110W 9N125W 5N140W. 
CLUSTERS OF SCATTERED MODERATE CONVECTION ARE WITHIN 240 NM 
OF THE AXIS FROM 97W TO 112W. ELSEWHERE...SCATTERED MODERATE 
CONVECTION IS WITHIN 75 NM OF LINE 11N110W TO 12N115W. 
ISOLATED MODERATE IS WITHIN 180 NM OF THE AXIS FROM 112W TO 
128W.

...DISCUSSION...

BROAD TROUGH MOVING SEWD EXTENDS FROM THE CENTRAL CALIFORNIA 
COAST SW ALONG 33N126W TO 31N138W. BROAD CYCLONIC FLOW IS 
SEEN N OF 30N E OF 138W. THE TROUGH IS FORECAST REMAIN N OF 
30N ACROSS THE PACIFIC WATERS AS IT SWINGS EASTWARD ACROSS 
CENTRAL AND SOUTHERN CALIFORNIA IN THE NEXT 24 HOURS. 

LARGE MID/UPPER LEVEL LOW IS NOW LOCATED ABOUT 300 NM ENE OF
THE BIG ISLAND OF HAWAII.  CYCLONIC FLOW AROUND THE UPPER LOW 
GENERALLY REMAINS W OF 140W. HOWEVER...THE UPPER LOW IS 
FORECAST TO START MOVING EWD TODAY AS TROUGH NW OF THE 
HAWAIIAN ISLANDS MOVES ESE. THE UPPER LOW/TROUGH MAY 
APPROACH THE WESTERN PORTION OF THE DISCUSSION AREA IN ABOUT 
24 HOURS.
 
MID/UPPER LEVEL HIGH IS CENTERED OVER THE TROPICAL EAST PACIFIC 
NEAR 8N124W. ANTICYCLONIC FLOW AROUND THE HIGH COVERS THE AREA
S OF 25N W OF ABOUT 115W. JET STREAM AROUND THE NRN PERIPHERY OF 
THE HIGH EXTENDS ALONG 17N140W 23N131W TO THE CENTRAL BAJA COAST 
NEAR 27N114W. PLENTY OF HIGH LEVEL MOISTURE IN THE FORM OF 
CIRRUS CLOUDS ARE BEING ADVECTED NEWD AROUND THE NW SIDE OF THE 
UPPER HIGH.

E OF 115W...
MID/UPPER LEVEL TROUGH OVER SOUTHERN MEXICO EXTENDS OFFSHORE 
BETWEEN ACAPULCO AND MANZANILLO INTO THE E PACIFIC TO NEAR 
11N111W. SOME MID-LEVEL DRYING IS SEEN ALONG AND WITHIN ABOUT 
300 NM W OF THE TROUGH. 

BROAD RIDGE EXTENDS WWD FROM N SOUTH AMERICA ACROSS THE E 
PACIFIC ALONG 10N E OF ABOUT 100W. A SMALL WEAK CYCLONIC 
CIRCULATION IS SEEN SOUTH OF THE RIDGE NEAR 5.5N88W.

$$
BROWN