000
AXPZ20 KNHC 250930
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC TUE JAN 25 2011

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...

AXIS EXTENDS FROM 05N77W TO 07N88W TO 04N114W TO 06N140W. 
NO SIGNIFICANT CONVECTION.

...DISCUSSION...

1027 MB HIGH CENTERED NEAR 35N140W EXTENDS A SURFACE RIDGE SE TO 
NEAR 15N105W. SMALL AREA OF 20 KT TRADES AT SOUTHERN PERIPHERY 
OF THE RIDGE FROM 08N TO 13N W OF 130W IS EVIDENT FROM ASCAT 
PASSES...WITH SEAS 10-11 FT OVER THIS AREA FROM LONG PERIOD NW 
SWELL. THE NW SWELL CONTINUES TO PROPAGATE SE ACROSS THE AREA 
WITH 8 TO 10 FT SEAS PREVAILING W OF 100W. HIGH PRES WILL REMAIN 
NEARLY STATIONARY OVER THE NEXT 48 HOURS AND BEGIN TO GRADUALLY 
WEAKEN BY EARLY WED. UPPER LEVEL SHORTWAVE TROUGH AND ASSOCIATED 
LOW NW OF THE AREA WILL INTRODUCE A WEAK COLD FRONT INTO THE NW 
CORNER LATE THU. SEAS 10 TO 11 FT IN NW SWELL ARE EXPECTED TO 
OCCUPY THE AREA N OF 20N W OF 135W AS THE SYSTEM DEEPENS AND 
MOVES NORTH INTO THE GULF OF ALASKA.

GAP WINDS...
A STRONG COLD FRONT EXPECTED IN THE GULF OF MEXICO TODAY WILL 
RAPIDLY MOVE EASTWARD...REACHING THE BAY OF CAMPECHE TONIGHT. N 
WINDS FUNNELING THROUGH THE CHIVELA PASS INTO THE GULF OF 
TEHUANTEPEC WILL INCREASE SIGNIFICANTLY LATER TONIGHT...WITH 
STRONG TO NEAR-GALE FORCE WINDS 20-30 KT EXPECTED THROUGH THU.

$$
MUNDELL