000
AXPZ20 KNHC 120922
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC FRI MAY 12 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...
AXIS...11N85W 9N92W 7N96W 11N106W 9N116W 10N125W 6N134W 5N140W.
CONVECTION...SCATTERED MODERATE TO STRONG CONVECTION WITHIN 120 
NM OF A LINE FROM 6N78W TO 9N108W AND WITHIN 120 NM OF 8N129W. 
ISOLATED MODERATE WITHIN 30 NM OF 7N112W.

DISCUSSION...
UPPER LEVELS...

A LARGE UPPER RIDGE ANCHORED ALONG 115W WAS STATIONARY TONIGHT. 
WATER VAPOR IMAGERY SHOWS HIGH CLOUDS DISSIPATING ON THE W SIDE 
OF THE RIDGE ALONG 120W. 

A STRONG SWLY UPPER FLOW WAS EVIDENT BETWEEN 130W AND 140W WITH 
PLENTY OF HIGH CLOUDS FROM THE MID PACIFIC TROPICAL REGION 
MOVING N AND NE OVER THE TOP OF THE RIDGE NEAR 30N125W. THE 
UPPER FLOW DIVES SEWD OVER NRN MEXICO WITH 0NE WEAK SHORTWAVE 
TROUGH OVER NRN MEXICO ALONG 105W MOVING SE 40 KT. 

LOWER LEVELS..

WEAK SURFACE LOW PRES CENTER 1009 MB NEAR 8N93W MOVING SLOWLY 
WWD. CONVECTION APPEARS TO BE A LITTLE MORE ACTIVE THAN 24 HR 
AGO BUT STILL NO ORGANIZATION. THIS SYSTEM IS ALONG THE ITCZ. 

ANOTHER AREA OF CONVECTION ALSO ASSOCIATED WITH THE ITCZ IS 
LOCATED NEAR 105W WITH ACTIVE CONVECTION BUT NO ORGANIZATION AT 
THIS TIME.

THE MID PACIFIC RIDGE EXTENDS SE OVER THE AREA TO 15N110W. THE 
RIDGE AFFECTS THE AREA MAINLY W OF 130W AND SSMI IMAGERY SHOWS 
NE TRADES TO 20 KT.