000 AXPZ20 KNHC 222225 TWDEP TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 2205 UTC SAT MAR 22 2008 TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM THE EQUATOR TO 32N...EAST OF 140W. BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 2200 UTC. ...ITCZ... ITCZ AXIS IS CENTERED ALONG...2N78W 2N84W 5N92W 3N99W 3N110W 3N122W 4N128W 2N140W. SCATTERED MODERATE TO STRONG CONVECTION EXISTS FROM 3N TO 8N BETWEEN 101.5W-107W. SCATTERED MODERATE CONVECTION IS WITHIN 120 NM N OF THE AXIS BETWEEN 121W-126W. ...DISCUSSION... A STRONG MID/UPPER LEVEL ANTICYCLONE MOVING ES ABOUT 10 KT IS LOCATED NEAR 13N110W AND CONTINUES TO BE THE DOMINATE FEATURE OF THE AREA. THE ANTICYCLONE CONTINUES TO DEFLECT EXTENSIVE MID/UPPER LEVEL MOISTURE NE AND E AROUND ITS NRN PERIPHERY AND TOWARDS SRN BAJA CALIFORNIA AND WRN MEXICO. AN UPPER LEVEL CYCLONE W OF THE AREA NEAR 25N153W HAS ADVANCED VERY LITTLE TO THE E DUE THE ANTICYCLONE CREATING A BLOCKING PATTERN. A TROUGH ASSOCIATED WITH THE CYCLONE EXETNDS SEWD INTO THE AREA AT 13N140W AND THROUGH 9N133W SE TO 1N113W. FURTHER TO THE E...A DEEP LAYER TROUGH EXTENDS SW FROM THE SW GULF OF MEXICO TO THE ISTHMUS OF THE GULF OF TEHUANTEPEC...AND FURTHER S TO NEAR 5N98W. MODERATE TO STRONG SUBSIDENCE AND RESULTING FAIR WEATHER CONDITIONS ARE PRESENT W OF THE TROUGH TO NEAR 115W. A JET STREAM BRANCH IS TO THE SE OF THE TROUGH EXTENDING FROM 6N92W NE TO ACROSS CENTRAL AMERICA...AND INTO THE WRN CARIBBEAN SEA. SATELLITE-DERIVED WINDS INDICATE THAT MAXIMUM WIND SPEEDS ASSOCIATED WITH THE JET ARE REACHING 50 KT. THESE WINDS ARE ADVECTING EXTENSIVE HIGH LEVEL MOISTURE NNE TO THE FAR SW CARIBBEAN SEA. AT THE SURFACE... A NEARLY STATIONARY 1031 MB HIGH IS ANALYZED N OF THE REGION NEAR 34N131W WITH A RIDGE STRETCHING SE THROUGH 27N127W 23N119W TO 18N111W. HIGH PRES COVERS THE AREA N OF 14N W OF 110W. THE PRES GRADIENT ASSOCIATED WITH THE RIDGE IS PRODUCING NE-E 20 KT WINDS FROM 5N-27N W OF 130W...AND N-NE 20 KT N OF 27N BETWEEN 118W-130W. SEAS HERE ARE RANGING 8-10 FT IN N-NE SWELL. GAP WINDS... NE-E 20 KT WINDS IN THE GULF OF PAPAGAYO ARE EXPECTED TO DIMINISH IN ABOUT 36 HRS. GULF OF TEHUANTEPEC WINDS HAVE DIMINISHED TO 20 KT...AND ARE FORECAST TO DIMINISH TO LESS THAN 20 KT IN 12 HRS BEFORE INCREASING ONCE AGAIN TO 20 KT BY LATE SUN NIGHT...AND UP TO GALE FORCE (25-35 KT) MON AFTERNOON AS STRONG HIGH OVER THE NRN GULF OF MEXICO CREATES A TIGHT RIDGE OVER SE MEXICO AND ITS ADJACENT COAST. $$ AGUIRRE