000
AXPZ20 KNHC 010352
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SAT MAR 01 2008

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

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0345 UTC.
 
...ITCZ...

ITCZ IS ALONG THE LINE...8N81W 9N120W 4N131W 6N140W. SCATTERED 
MODERATE 4N TO 8N BETWEEN 107W AND 110W. 

...DISCUSSION...
UPPER LEVELS...
TROUGH EXTENDS FROM A CYCLONIC CIRCULATION OFF THE NW BAJA 
CALIFORNIA COAST NEAR 31N118W THROUGH ANOTHER CYCLONIC 
CIRCULATION CENTER NEAR 22N125W TO A BASE NEAR 17N133W. STRONG 
UPPER LEVEL SUBSIDENCE NOTED WITHIN 240 NM OF THE TROUGH AXIS\
N OF 20N. 

BROAD ANTICYCLONIC FLOW COVERS THE REMAINDER OF THE AREA BETWEEN 
100W AND E OF THE TROUGH AXIS NOTED ABOVE. UPPER LEVEL DIFFLUENT 
FLOW WAS NOTED OVER THE DEEP TROPICS BETWEEN 105W AND 125W WITH
SOME ENHANCEMENT TO ITCZ CONVECTION BETWEEN 107W AND 110W.  

SURFACE...
A WEAK COLD FRONT HAS MOVED INTO THE FAR NW PORTION OF THE AREA 
AND EXTENDS FROM 30N138W TO 29N140W. EXCEPT FOR THIS FRONT... 
WEAK RIDGE DOMINATES THE AREA N OF 12N W OF 110W. A 1025 MB 
CENTER NEAR 30N134W HAS DISSIPATED. 

2328 UTC QUIKSCAT PASS INDICATED GAP WINDS CONTINUE IN THE GULF 
OF PAPAGAYO AND THE GULF OF PANAMA. THE WINDS IN THE GULF OF 
PANAMA WILL CONTINUE FOR ANOTHER 24 HOURS BEFORE DECREASING. 
20 TO 25 KNOT WINDS ARE EXPECTED IN THE GULF OF PAPAGAYO 
THROUGH 36 HOURS...THEN DECREASE TO AROUND 20 KT THROUGH 48 
HOURS. THE WINDS WILL EXTEND TO NEAR 100W DURING THE NEXT 12 
HOURS THEN ONLY TO ABOUT 90W THROUGH 48 HOURS. 

GAP WINDS OF 20 TO 25 KNOTS ARE EXPECTED IN THE GULF OF 
TEHUANTEPEC WITHIN THE NEXT 12 HOURS AND CONTINUE THROUGH 36 
HOURS. 

$$
COBB