000
AXPZ20 KNHC 240923
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC MON MAR 24 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...
ITCZ AXIS ALONG 6N78W 7N85W 3N100W 7N116W 4N140W. SCATTERED 
MODERATE CONVECTION WITHIN 60 NM OF AXIS BETWEEN 89W AND 110W. 
SCATTERED MODERATE CONVECTION WITHIN 240 NM N OF AXIS BETWEEN 
110W AND 120W. SCATTERED MODERATE ISOLATED STRONG CONVECTION 
WITHIN 240 NM N OF AXIS W OF 137W. 

...DISCUSSION...
E OF 110W...HIGH PRES IS BUILDING OVER TEXAS BEHIND AND COLD 
FRONT MOVING INTO THE SOUTHERN GULF OF MEXICO. THE HIGH PRES AND 
COLD AIR WILL FUNNEL THROUGH THE TEHUANTEPEC ISTHMUS AND PROMPT 
GALE FORCE WINDS THROUGH THE GULF OF TEHUANTEPEC THIS MORNING. 
MEANWHILE FRESH TO STRONG ELY FLOW THROUGH THE GULF OF PAPAGAYO 
WILL RESULT FROM A SURGE OF TRADES IN THE CARIBBEAN...AND 
PERSIST THROUGH AT LEAST MID WEEK. LIKEWISE NLY FLOW INTO GULF 
OF PANAMA WILL INCREASE TODAY THROUGH AT LEAST WED. 
ALOFT...CONVERGENT FLOW ASSOCIATED WITH AN UPPER TROUGH  DIGGING 
INTO CENTRAL AMERICA IS SUPPRESSING CLOUD DEVELOPMENT OFF N OF 
10N. DIVERGENCE ALOFT ALONG TROUGH AXIS IS INTERACTING WITH 
CONVERGENCE OF ITCZ TO SPARK SCATTERED CONVECTION AS MENTIONED 
ABOVE. MEANWHILE A MIX OF NW AND SW SWELL CONTINUE TO PROPAGATE 
INTO WATERS E OF 110W...AND WILL CREATE CONFUSED SEAS FOR AREAS 
NEAR ACTIVE GAP WIND FLOW.

W OF 110W...UPPER RIDGE AXIS EXTENDS FROM 10N110W TO 30N130W. AN 
ASSOCIATED 1028 MB SURFACE HIGH IS CENTERED NEAR 34N135W. THE 
UPPER RIDGE WILL DAMPEN OUT AND SHIFT E AHEAD OF A SHORT WAVE 
TROUGH NE OF HAWAII LIFTING OUT TOWARD CALIFORNIA. THE SURFACE 
HIGH WEAKENS AND SHIFTS E IN CONCERT WITH THE UPPER 
RIDGE...MAINTAINING ELY TRADES TO THE S AND PROMPTING FRESH NLY 
FLOW OFF THE N BAJA COAST OVER THE NEXT COUPLE OF DAYS. 

$$
CHRISTENSEN