000 AXPZ20 KNHC 042127 TWDEP TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 2205 UTC WED SEP 05 2007 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 2100 UTC. ...SPECIAL FEATURE... HURRICANE HENRIETTE CENTERED NEAR 23.1N 109.6W NEAR SAN JOSE DEL CABO MEXICO...OR 25 NM NE OF CABO SAN LUCAS...AT 04/2100 UTC MOVING NNW 9 KT. MAXIMUM SUSTAINED WIND SPEED IS 70 KT WITH GUSTS TO 85 KT. ESTIMATED MINIMUM CENTRAL PRESSURE IS 972 MB. SEE LATEST NHC FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS MIATCMEP1/WTPZ21 KNHC FOR MORE DETAILS. HENRIETTE HAS JUST MADE LANDFALL OVER THE SOUTHERN TIP OF BAJA CALIFORNIA ACCORDING TO SATELLITE IMAGERY AND RADAR IMAGERY FROM LOS CABOS. HENRIETTE HAS A NEARLY SOLID CORE WITH A LITTLE EROSION ON THE W SIDE... AND ONE PRONOUNCED SPIRAL BAND TO THE N AND NW EXTENDING ACROSS SRN BAJA CALIFORNIA. HENRIETTE IS EXPECTED TO MOVE NNW OVER THE NEXT DAY OR TWO MOVING BACK OVER THE WATERS OF THE GULF OF CALIFORNIA THEN EXPECTED TO MAKE A SECOND LANDFALL OVER THE STATES OF SINALOA OR SONORA WED EVENING. UP TO 5 TO 10" OF RAIN WITH ISOLATED AMOUNTS OF 15" IS EXPECTED OVER PORTIONS OF BAJA CALIFORNIA...AND 3 TO 5" IS EXPECTED OVER PARTS OF MAINLAND NW MEXICO. NUMEROUS MODERATE/STRONG CONVECTION WITHIN 60 NM OF THE CENTER...AND SCATTERED MODERATE/STRONG ELSEWHERE WITHIN 150 NM S AND 240 NM N SEMICIRCLES. ...TROPICAL WAVES... TROPICAL WAVE ALONG 93W N OF 5N TO SE MEXICO MOVING W 10-15 KT. THIS WAVE REMAINS NEARLY INVISIBLE DUE TO THE DOMINATING CIRCULATIONS OF HURRICANE FELIX AND THE TROPICAL WAVE FARTHER W. WIDELY SCATTERED SHOWERS EXTEND N OF 7N BETWEEN 94W-97W. TROPICAL WAVE ALONG 101W N OF 5N TO NEAR ACAPULCO MEXICO MOVING W 10 KT. A WELL-DEFINED INVERTED-V SIGNATURE IS NOTED IN VISIBLE IMAGERY SW OF THE GULF OF TEHUANTEPEC...WITH A POSSIBLE WEAK LOW FORMING ALONG THE ITCZ AXIS NEAR 9N101W. THE ATMOSPHERE IS QUITE DRY IN THE VICINITY AND THUS THERE IS NO SIGNIFICANT RELATED CONVECTION. ...ITCZ... ITCZ AXIS IS CENTERED ALONG 10N85W 9N100W 6N110W 13N133W 12N140W. WIDELY SCATTERED MODERATE CONVECTION N OF 6N E OF 91W. ...DISCUSSION... E OF 110W... AN UPPER RIDGE AXIS REMAINS ORIENTED ACROSS MEXICO ALONG A NE/SW AXIS FROM THE TEXAS COAST TO JUST S OF HURRICANE HENRIETTE. THE RIDGE IS AIDING IN THE UPPER OUTFLOW OF THE HURRICANE WITH SOME OF THIS MOISTURE BEING PULLED NE INTO CENTRAL TEXAS. THE UPPER TROUGH WHICH HAD BEEN OVER NRN MEXICO HAS BEEN PUSHED TO THE NW AND NOW EXTENDS FROM NEAR EL PASO TEXAS TO THE NRN GULF OF CALIFORNIA...THEN CONNECTING TO AN UPPER LOW NEAR 25N123W. FARTHER SE...AN UPPER LOW HAS DEVELOPED OVER THE BAY OF CAMPECHE WITH A WEAK INVERTED TROUGH EXTENDING SW ACROSS THE ISTHMUS OF TEHUANTEPEC NEAR 10N103W. A PATCH OF DRY AIR CONTINUES TO MOVE W WITH THE TROUGH...COVERING THE AREA S OF 14N BETWEEN 98W-108W. HURRICANE FELIX MADE LANDFALL THIS MORNING OVER NE NICARAGUA AND IS NOW APPROACHING THE NICARAGUA/HONDURAS BORDER. A FEW BANDS OF TSTMS ARE BEGINNING TO SPREAD SW TO THE PACIFIC COAST...AND THESE STORMS COULD SPREAD W TO THE EL SALVADOR AND GUATEMALA COAST TONIGHT. W OF 110W... THERE IS VERY LITTLE ACTIVE WEATHER ACROSS THE REST OF THE TROPICAL PACIFIC. A MASSIVE AMOUNT OF DRY AIR EXTENDS W OF 115W WITH A LARGE UPPER HIGH CENTERED NEAR 18N130W AND AN UPPER LOW NEAR 25N124W. VISIBLE IMAGERY SHOWS A LARGE PATCH OF NEARLY CLOUDLESS SKIES N OF 20N E OF 134W TO THE BAJA PENINSULA...BUT THE AIR MASS IS BEGINNING TO MODIFY ABOVE THE COOL PACIFIC WATERS WITH A FEW STRATOCUMULUS CLOUDS BEGINNING TO FORM. A WEAKENING COLD FRONT LIES ACROSS THE FAR NW CORNER OF THE AREA AND SHOULD DIE LATER TONIGHT AS A SURFACE RIDGE BUILDS IN FROM THE N. $$ BERG