000
AXPZ20 KNHC 221525
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC SAT MAR 22 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...

ITCZ AXIS IS CENTERED ALONG  2N78W 3N110W 3N125W 1N140W. 
SCATTERED MODERATE CONVECTION WITHIN 75 NM OF THE POINT 3N87.5W.
SCATTERED MODERATE CONVECTION IS WITHIN 60 NM OF THE POINTS 
2N104W AND 3.5N121W. SCATTERED MODERATE WITH ISOLATED STRONG 
CONVECTION WITHIN 60 NM OF THE POINT 6N124.5W.

OTHER NEAR ITCZ CONVECTION...SCATTERED MODERATE CONVECTION IS 
WITHIN 60 NM OF THE POINT 7N100W.

...DISCUSSION...
UPPER LEVELS...
MAINLY UPPER TROUGH IS MOVING EAST OVER EASTERN MEXICO AND 
NORTHERN CENTRAL AMERICA. TROUGH AXIS IS ALONG LINE 8N100W 
10N95W TO 22N89W. NARROW...180 NM...WIDE BAND OF MIDDLE AND 
UPPER MOISTURE AND SOME CLOUDS PRECEDES THE TROUGH AND IS 
FLOWING OVER THE SOUTHEAST GULF OF MEXICO AND THE STRAITS OF 
FLORIDA. DRY AND CLOUD FREE MIDDLE AND UPPER LEVELS IS WEST OF 
THE TROUGH TO ABOUT 110W.

DEEP LAYER TROUGH WEST OF THE AREA EXTENDS OVER THE NORTHWEST 
PART OF THE AREA TO THE NORTHWEST OF A LINE 30N110W TO 22N130W 
16N140W. THIS AREA IS CLOUD FREE IN THE MIDDLE AND UPPER LEVELS 
WITH SOME MOISTURE NORTHWEST OF A LINE 30N110W 29N130W 23N140W. 
A BROAD PLUME...600 NM WIDE...EXTENDS SOUTHEAST OF THE TROUGH 
WITH SOME PATCHY MAINLY UPPER LEVEL CLOUDS.

REMAINDER OF THE AREA IS COVERED BY BROAD ANTICYCLONIC FLOW.

SURFACE...
WEAK TO MODERATE RIDGE IS NORTH OF 10N WEST OF 105W. REMAINDER 
OF THE AREA IS ANALYZED AS A BROAD TROUGH.

GAP NORTHERLY WINDS OF NEAR 20 KNOTS IN THE GULF OF PANAMA WILL 
DECREASE TODAY.

GAP NORTHEAST TO EAST WINDS IN THE GULF OF PAPAGAYO REGION OF 20 
TO 25 KNOTS WILL DECREASE TO OCCASIONAL 20 KT WINDS THIS EVENING 
AND WILL CONTINUE THROUGH 48 HOURS.

GAP NORTHERLY WINDS IN THE GULF OF TEHUANTEPEC REGION IF 20 TO 
25 KNOTS WILL DECREASE TODAY. NORTHERLY WINDS OF 20 TO 30 KNOTS 
WILL RETURN EARLY MONDAY.

$$
LL