000
AXPZ20 KNHC 051518
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC WED NOV 05 2008

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

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

...ITCZ...

THE INTERTROPICAL CONVERGENCE ZONE AXIS ALONG 09N84W TO 07N100W 
TO 10N118W TO 07N140W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION IS LOCATED WITHIN 45 NM EITHER SIDE OF A LINE FROM 
08N130W TO 07N140W.

...DISCUSSION...

W OF 100W...
A MIDDLE/UPPER LEVEL TROUGH HAS ITS AXIS LOCATED ALONG 129W FROM 
12N TO 25N...MOVING E ABOUT 10 KT. CYCLONIC FLOW IS LOCATED W OF 
THE AXIS TO 138W AND E OF THE AXIS TO 120W. A MIDDLE/UPPER LEVEL 
CYCLONIC CIRCULATION IS FORMING AT THE N END OF THE TROUGH NEAR 
25N133W. SATELLITE CLOUD DRIFT WINDS INDICATE SPEEDS TO NEAR 50 
KT EITHER SIDE OF THE TROUGH AXIS. A SECOND MIDDLE/UPPER LEVEL 
TROUGH IS LOCATED OVER BAJA CALIFORNIA AND NW MEXICO WITH THE 
AXIS ALONG 111W N OF 25N...MOVING SE 10 TO 15 KT. AN UPSTREAM 
MIDDLE/UPPER LEVEL RIDGE IS EXPECTED TO MOVE INTO THE W PART OF 
THE DISCUSSION AREA LATER TONIGHT AND THU. AT THE SURFACE THE 
REMNANTS OF POLO IS LOCATED IN THE VICINITY OF 10N120W AND 
ANALYZED AS A 1010 MB LOW. WINDS ARE 20 TO 25 KT AND SEAS 8 TO 
10 FT WITHIN 180 NM OVER THE N SEMICIRCLE. SCATTERED MODERATE TO 
STRONG CONVECTION IS LOCATED FROM 08N TO 12N BETWEEN 116W AND 
122W.

E OF 100W...
LIGHT TO MODERATE EASTERLY WINDS ALOFT ARE LOCATED S OF 10N E OF 
100W INTO SOUTHERN CENTRAL AMERICA AND S AMERICA. WATER VAPOR 
IMAGERY INDICATES GENERALLY DRY SUBSIDENT CONDITIONS E OF 100W. 

$$
CAB