000
AXPZ20 KNHC 070925
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC MON JAN 07 2008

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

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.
 
...ITCZ...
INTERTROPICAL CONVERGENCE ZONE IS ALONG THE LINE...5N77W 6N115W 
8N140W. SCATTERED MODERATE WITH ISOLATED STRONG CONVECTION IS 
WITHIN 75 NM OF THE POINT 6.7N120.4W.

...DISCUSSION...
UPPER LEVELS...
MIDDLE AND UPPER TROUGH IS NORTH OF LINE 13N140W 15N125W 
25N100W. THE AREA IS DRY AND CLOUD FREE IN THE MIDDLE AND UPPER 
LEVELS SOUTH OF 27N. THIN BROKEN MIDDLE CLOUDS ARE NORTH OF 28N 
EAST OF 130W. OTHERWISE THERE IS LITTLE WEATHER IN THIS AREA. 

ANOTHER TROUGH IS FROM 95W TO 110W SOUTH OF 13N. THIS AREA ALSO 
HAS LITTLE WEATHER ASSOCIATED WITH IT.

WEAK TROUGH IS SOUTH OF THE ITCZ ACROSS THE ENTIRE AREA IN THE 
UPPER LEVELS AND WEST OF 105W IN THE MIDDLE LEVELS.

SURFACE...
WEAK COLD FRONT IS ALONG LINE 32N123W 29N135W. WESTERLY SURFACE 
WINDS OF NEAR 20 KT NORTH OF 28N EAST OF 130W ARE ASSOCIATED 
WITH THE FRONT.

OTHERWISE MODERATE RIDGE IS NORTH OF THE ITCZ WEST OF 110W. 
REMAINDER OF THE AREA IS ANALYZED AS A WEAK TROUGH.

GAP WINDS OF 20 TO 25 KT IN THE GULF OF PAPAGAYO REGION WILL 
DECREASE TO 20 KT IN 24 HOURS AND CONTINUE THROUGH 48 HOURS.

$$
LL