000 ABPZ30 KNHC 011548 TWSEP MONTHLY TROPICAL WEATHER SUMMARY NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 AM PST FRI DEC 1 2006 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. TROPICAL CYCLONE ACTIVITY DURING NOVEMBER WAS BUSY FOR SO LATE IN THE YEAR AND IT SET SEVERAL RECORDS. THREE TROPICAL CYCLONES FORMED... WITH TWO OF THESE SYSTEMS BECOMING TROPICAL STORMS AND ONE OF THE STORMS INTENSIFYING INTO A HURRICANE. TWO TROPICAL STORMS FORMING IN NOVEMBER HAS ONLY BEEN NOTED ONCE BEFORE (1966) IN THE OFFICIAL RECORD WHICH STARTS IN 1949. USING THE ACCUMULATED CYCLONE ENERGY (ACE) INDEX... WHICH MEASURES THE STRENGTH AND DURATION OF NAMED STORMS AND HURRICANES... NOVEMBER 2006 WAS THE MOST ACTIVE SINCE RECORDS BEGAN. HURRICANE SERGIO WAS THE STRONGEST HURRICANE OBSERVED IN NOVEMBER AND ALSO LASTED AS A TROPICAL STORM FOR A RECORD 5.5 DAYS DURING NOVEMBER. OVERALL...THE 2006 EASTERN NORTH PACIFIC HURRICANE SEASON HAD 18 TROPICAL STORMS...10 OF WHICH WERE HURRICANES...WITH 5 OF THE HURRICANES BECOMING MAJOR HURRICANES (CATEGORY 3 OR HIGHER ON THE SAFFIR-SIMPSON SCALE). THIS ACTIVITY IS A LITTLE ABOVE THE 1971-2005 YEAR MEAN OF 15 TROPICAL STORMS...9 HURRICANES AND 4 MAJOR HURRICANES. IN TERMS OF ACE...2006 HAD 107% OF THE PREVIOUS 35 YEAR MEAN. THREE TROPICAL DEPRESSIONS ALSO FORMED DURING THE SEASON. ONE MAJOR HURRICANE (LANE)...ONE HURRICANE (JOHN) AND ONE TROPICAL DEPRESSION (PAUL) MADE LANDFALL IN MEXICO DURING 2006. ALETTA FORMED AS A RESULT OF THE INTERACTION OF A WESTWARD-MOVING TROPICAL WAVE WITH A LOW-LEVEL TROUGH NEAR THE GULF OF TEHUANTEPEC. THIS INTERACTION EVENTUALLY PRODUCED A BROAD LOW PRESSURE AREA LOCATED SEVERAL HUNDRED MILES SOUTH OF ACAPULCO MEXICO ON 25 MAY. THE SYSTEM EVENTUALLY ORGANIZED INTO A TROPICAL DEPRESSION CENTERED ABOUT 165 N MI SOUTHWEST OF ACAPULCO EARLY ON 27 MAY. THE TROPICAL CYCLONE MOVED SLOWLY WHILE STRENGTHENING INTO A TROPICAL STORM LATER THAT SAME DAY. ALETTA DRIFTED ERRATICALLY...EXECUTING A COUNTERCLOCKWISE LOOP ABOUT 100 N MI SOUTHWEST OF ACAPULCO ON 28 MAY. THE CYCLONE BEGAN DRIFTING WESTWARD ON 29 MAY WHILE WEAKENING TO A TROPICAL DEPRESSION. ALETTA CONTINUED TO WEAKEN...AND DISSIPATED ABOUT 170 N MI SOUTH-SOUTHEAST OF MANZANILLO MEXICO ON 30 MAY. ALETTA PRODUCED SOME LOCALLY HEAVY RAINS OVER PORTIONS OF SOUTHERN MEXICO WITH A 24-HOUR TOTAL 3.6 INCHES IN THE STATE OF OAXACA. THERE WERE NO REPORTS OF CASUALTIES OR DAMAGES. TROPICAL DEPRESSION TWO-E DEVELOPED FROM A TROPICAL WAVE ABOUT 125 N MI SOUTHWEST OF ZIHUATANEJO MEXICO ON 3 JUNE. EVEN THOUGH THE CYCLONE NEVER REACHED TROPICAL STORM STRENGTH...THE PROXIMITY TO LAND AND THE UNCERTAINTY IN THE INTENSITY FORECAST PROMPTED THE ISSUANCE OF TROPICAL STORM WARNINGS ALONG THE COAST OF MEXICO. THE DEPRESSION SLOWLY MEANDERED OFF THE COAST OF MEXICO FOR A COUPLE OF DAYS AND BROUGHT HEAVY RAINFALL...FLASH FLOODS...AND MUD SLIDES OVER PORTIONS OF MEXICO. THE DEPRESSION DISSIPATED ON 5 JUNE AS IT INTERACTED WITH LAND. BUD DEVELOPED FROM A TROPICAL WAVE THAT EMERGED OFF THE COAST OF AFRICA ON 27 JUNE AND REACHED THE EASTERN PACIFIC BY 7 JULY. AN AREA OF LOW PRESSURE FORMED ALONG THE WAVE ON 9 JULY APPROXIMATELY 550 N MI SOUTH OF MANZANILLO MEXICO. SHOWERS AND THUNDERSTORMS ASSOCIATED WITH THE LOW PRESSURE AREA GRADUALLY BECAME BETTER ORGANIZED...AND EARLY ON 11 JULY A TROPICAL DEPRESSION FORMED APPROXIMATELY 700 N MI SOUTH OF CABO SAN LUCAS MEXICO. INITIALLY...THE DEPRESSION ENCOUNTERED NORTHERLY SHEAR WHICH LIMITED DEVELOPMENT. HOWEVER...THE SHEAR DECREASED LATER ON 11 JULY AND THE CYCLONE DEVELOPED RAPIDLY OVER WARM WATERS...REACHING HURRICANE STRENGTH LATE THAT EVENING. THE INTENSIFICATION CONTINUED ON 12 JULY AND BUD REACHED ITS ESTIMATED MAXIMUM INTENSITY OF 110 KT THE NEXT DAY WHILE CENTERED ABOUT 650 N MI WEST-SOUTHWEST OF CABO SAN LUCAS. THEREAFTER...BUD BEGAN ENCOUNTERING INCREASINGLY COOLER WATERS AND STABLE AIR WHICH INITIATED WEAKENING. THIS TREND CONTINUED AND BUD DROPPED BELOW HURRICANE STRENGTH EARLY ON 14 JULY. MOST OF ITS DEEP CONVECTION DISSIPATED LATER THAT DAY AND THE CYCLONE DEGENERATED INTO A REMNANT LOW PRESSURE AREA ON 15 JULY. THE LOW DISSIPATED ON 17 JULY ABOUT 650 N MI EAST-NORTHEAST OF HAWAII. CARLOTTA FORMED FROM A TROPICAL WAVE THAT ENTERED THE EAST PACIFIC BASIN ON 9 JULY. THUNDERSTORM ACTIVITY GRADUALLY BECAME BETTER ORGANIZED OVER THE NEXT COUPLE OF DAYS AND A TROPICAL DEPRESSION FORMED EARLY ON 12 JULY ABOUT 250 N MI SOUTH OF ZIHUATANEJO. MOVING WEST-NORTHWESTWARD...THE DEPRESSION QUICKLY REACHED TROPICAL STORM STRENGTH AND CONTINUED TO INTENSIFY...BECOMING A HURRICANE THE NEXT DAY ABOUT 375 N MI SOUTH OF THE SOUTHERN TIP OF BAJA CALIFORNIA AND REACHING A PEAK INTENSITY OF 75 KT. ON 14 JULY... CARLOTTA WEAKENED BACK TO A TROPICAL STORM AS ITS CIRCULATION BEGAN TO SPREAD OVER COOLER WATERS TO THE NORTHWEST OF SOCORRO ISLAND... HOWEVER THE CYCLONE REGAINED HURRICANE STRENGTH THE FOLLOWING DAY. BY LATE ON 15 JULY...CARLOTTA BEGAN A SECOND AND FINAL WEAKENING TREND OVER COOLER WATERS...AND BY 16 JULY CARLOTTA HAD WEAKENED TO A DEPRESSION ABOUT 640 N MI WEST-SOUTHWEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA. THE CYCLONE DEGENERATED TO A NON-CONVECTIVE REMNANT LOW EARLY ON 17 JULY. DANIEL DEVELOPED FROM A TROPICAL WAVE THAT MOVED WESTWARD FROM THE COAST OF AFRICA ON 2 JULY. THE WAVE REACHED THE EASTERN PACIFIC ON 12 JULY AND SHOWED SIGNS OF ORGANIZATION STARTING ON 15 JULY. A TROPICAL DEPRESSION FORMED FROM THE SYSTEM ON 16 JULY ABOUT 455 N MI SOUTH-SOUTHWEST OF MANZANILLO. THE CYCLONE MOVED WESTWARD IN DEEP-LAYER EASTERLY FLOW AND BECAME A TROPICAL STORM ON 17 JULY AND A HURRICANE ON 18 JULY. DANIEL TURNED WEST-NORTHWESTWARD ON 20 JULY AS IT BECAME THE FIRST MAJOR HURRICANE OF THE 2006 SEASON. IT REACHED AN ESTIMATED PEAK INTENSITY OF 130 KT...CATEGORY 4 ON THE SAFFIR-SIMPSON HURRICANE SCALE...ON 22 JULY ABOUT 1170 N MI WEST-SOUTHWEST OF CABO SAN LUCAS. DANIEL TURNED WESTWARD ON 22 JULY...THEN RESUMED A WEST-NORTHWESTWARD MOTION THE NEXT DAY. THIS MOTION BROUGHT DANIEL OVER COOLER SEA SURFACE TEMPERATURES...WHICH RESULTED IN A GRADUAL WEAKENING DURING THE NEXT TWO DAYS. THE HURRICANE CROSSED INTO THE CENTRAL PACIFIC BASIN ON 24 JULY WITH WINDS ESTIMATED AT 80 KT. OVER THE CENTRAL PACIFIC...DANIEL WEAKENED TO A REMNANT LOW ON 27 JULY...WITH THE LOW DISSIPATING THE NEXT DAY. EMILIA FORMED ON 21 JULY ABOUT 350 N MI SOUTH-SOUTHWEST OF ACAPULCO. THE DEPRESSION STRENGTHENED AND BECAME A TROPICAL STORM THE NEXT DAY ABOUT 350 N MI SOUTH OF MANZANILLO. EMILIA WOBBLED BACK AND FORTH ABOUT A GENERAL NORTHWESTWARD TRACK FOR THE NEXT SEVERAL DAYS AND STEADILY STRENGTHENED TO 55 KT ON 23 JULY. AFTER REACHING PEAK INTENSITY...EMILIA ENCOUNTERED UNFAVORABLE VERTICAL SHEAR CONDITIONS THE NEXT DAY... WHICH CAUSED THE CYCLONE TO WEAKEN TO 45 KT THE NEXT DAY. HOWEVER...BEFORE EMILIA REACHED COLDER WATER AND BEGAN ITS FINAL WEAKENING TREND...THE VERTICAL SHEAR DECREASED AND EMILIA RE-INTENSIFIED TO 55 KT ON 26 JULY. EMILIA BRUSHED PORTIONS OF SOUTHERN AND WESTERN BAJA CALIFORNIA CAUSING TROPICAL STORM CONDITIONS AND LOCALLY HEAVY RAINFALL IN MANY AREAS. AFTER REACHING COLDER WATER LATE ON 26 JULY...EMILIA BEGAN TO RAPIDLY WEAKEN AND IT BECAME A TROPICAL DEPRESSION EARLY ON 27 JULY. THE SYSTEM TURNED WESTWARD AND DEGENERATED INTO A NON-CONVECTIVE LOW PRESSURE AREA THE NEXT DAY ABOUT 280 N MI WEST OF PUNTA EUGENIA ON THE BAJA CALIFORNIA PENINSULA. THE REMNANT LOW CONTINUED SLOWLY WESTWARD BEFORE DISSIPATING. FABIO FORMED FROM A TROPICAL WAVE THAT EMERGED FROM THE COAST OF AFRICA ON 15 JULY AND CROSSED CENTRAL AMERICA ON 23 JULY. CONVECTION BEGAN TO INCREASE ALONG THE WAVE ON 28 JULY AT WHICH TIME A WEAK AREA OF LOW PRESSURE FORMED APPROXIMATELY 500 N MI SOUTHWEST OF MANZANILLO. SHOWERS AND THUNDERSTORMS ASSOCIATED WITH THE LOW SLOWLY ORGANIZED OVER THE NEXT THREE DAYS AS IT MOVED NORTHWESTWARD...AND BY 31 JULY THE SYSTEM ACQUIRED SUFFICIENT DEEP CONVECTION TO BE DESIGNATED AS A TROPICAL DEPRESSION ABOUT 975 N MI SOUTHWEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA. THE CYCLONE BECAME THE SIXTH TROPICAL STORM OF THE SEASON 6 HOURS LATER AND REACHED ITS PEAK INTENSITY OF 45 KT ON 1 AUGUST. AS FABIO MOVED WESTWARD UNDER THE INFLUENCE OF A MID-TROPOSPHERIC RIDGE TO THE NORTH...THE CYCLONE WAS AFFECTED BY INCREASING EASTERLY VERTICAL SHEAR AND A MORE STABLE AIRMASS. THESE ENVIRONMENTAL FACTORS ULTIMATELY RESULTED IN THE CYCLONE WEAKENING BACK TO A DEPRESSION ON 3 AUGUST ABOUT 1400 N MI EAST OF HILO HAWAII. FABIO DEGENERATED INTO A REMNANT LOW ON 4 AUGUST AND CONTINUED WESTWARD...BECOMING AN OPEN WAVE BY 6 AUGUST. GILMA DEVELOPED FROM A TROPICAL WAVE THAT MOVED OFF THE WEST COAST OF AFRICA ON 17 JULY. IT ENTERED INTO THE EASTERN NORTH PACIFIC OCEAN ON 25 JULY WITH CONVECTION INCREASING ON 29 JULY. BY 1 AUGUST...THE SYSTEM HAD ACQUIRED ENOUGH DEEP CONVECTION AND SUFFICIENT ORGANIZATION TO BE CONSIDERED A TROPICAL DEPRESSION ABOUT 360 N MI SOUTHWEST OF ACAPULCO. DESPITE MODERATE EASTERLY SHEAR...THE DEPRESSION STRENGTHENED TO A TROPICAL STORM ON 1 AUGUST. GILMA WAS A SHORT-LIVED TROPICAL STORM AND PERSISTENT EASTERLY SHEAR PREVENTED FURTHER INTENSIFICATION. BY 2 AUGUST THE LOW-LEVEL CENTER BECAME COMPLETELY EXPOSED AND GILMA WEAKENED TO A TROPICAL DEPRESSION. GILMA DEGENERATED TO A REMNANT LOW ON 4 AUGUST ABOUT 375 N MI WEST-SOUTHWEST OF MANZANILLO. THE LOW DISSIPATED ON 5 AUGUST ABOUT 325 N MI SOUTH-SOUTHWEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA. HECTOR FORMED FROM A TROPICAL WAVE THAT EXITED THE WEST COAST OF AFRICA ON 31 JULY AND REACHED THE EASTERN PACIFIC OCEAN ON 10 AUGUST. SHOWER ACTIVITY GRADUALLY INCREASED AS THE WAVE PASSED SOUTH OF THE GULF OF TEHUANTEPEC AND A BROAD LOW PRESSURE AREA DEVELOPED ABOUT 375 N MI SOUTH OF ACAPULCO ON 13 AUGUST. THE SYSTEM CONTINUED TO GAIN ORGANIZATION AND A TROPICAL DEPRESSION FORMED ON 15 AUGUST ABOUT 650 N MI SOUTH-SOUTHWEST OF THE SOUTHERN TIP OF THE BAJA PENINSULA. MOVING WEST-NORTHWESTWARD...THE DEPRESSION QUICKLY ACHIEVED TROPICAL STORM STRENGTH AND INTENSIFIED INTO A HURRICANE ON THE 17 AUGUST. WHILE LOCATED ABOUT 900 N MI SOUTHWEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA... IT IS ESTIMATED THAT HECTOR REACHED PEAK INTENSITY OF 95 KT...CATEGORY 2 ON THE SAFFIR-SIMPSON HURRICANE SCALE...ON 18 AUGUST. HECTOR CONTINUED WEST-NORTHWEST TO NORTHWESTWARD REACHING COOLER WATERS ON 20 AUGUST AND WEAKENED BELOW HURRICANE STRENGTH. DESPITE PASSING OVER COOLER WATERS...THE CYCLONE CONTINUED TO PRODUCE CONVECTION AND TROPICAL STORM FORCE WINDS FOR ANOTHER TWO DAYS. HECTOR TURNED WESTWARD AND LOST MOST OF ITS DEEP CONVECTION ON 22 AUGUST...THEN FINALLY WEAKENED INTO A DEPRESSION EARLY THE NEXT DAY. THE REMNANT LOW CONTINUED WESTWARD AND DISSIPATED ABOUT 750 N MI EAST OF THE HAWAIIAN ISLANDS ON 24 AUGUST. ILEANA FORMED ON 21 AUGUST ABOUT 300 N MI SOUTH-SOUTHWEST OF ACAPULCO FROM A WESTWARD-MOVING TROPICAL WAVE THAT HAD EMERGED INTO THE EASTERN NORTH PACIFIC SEVERAL DAYS EARLIER. LATER THAT DAY...THE CYCLONE STRENGTHENED INTO A TROPICAL STORM AS IT MOVED WEST-NORTHWESTWARD. ILEANA BECAME A HURRICANE ON 22 AUGUST...AND STRENGTHENED TO AN ESTIMATED PEAK INTENSITY OF 105 KT...CATEGORY 3 STATUS...ON 23 AUGUST. THE HURRICANE THEN TURNED NORTHWESTWARD WHILE A GRADUAL WEAKENING TREND COMMENCED. ILEANA TURNED BACK TO THE WEST-NORTHWEST AND BECAME A TROPICAL STORM ON 26 AUGUST. THE SYSTEM WEAKENED TO A DEPRESSION ABOUT 550 N MI WEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA ON 27 AUGUST AND DETERIORATED INTO A LARGE REMNANT LOW LATER THAT DAY. THE LOW DRIFTED GENERALLY WESTWARD FOR A FEW DAYS BEFORE LOSING ITS IDENTITY. JOHN ORIGINATED FROM AN AREA OF DISTURBED WEATHER ASSOCIATED WITH A TROPICAL WAVE THAT ENTERED THE EASTERN NORTH PACIFIC ON 25 AUGUST AND ALMOST IMMEDIATELY SHOWED SIGNS OF ORGANIZATION. HOWEVER... THE SYSTEM DID NOT DEVELOP INTO A TROPICAL DEPRESSION UNTIL 28 AUGUST WHILE CENTERED ABOUT 235 N MI SOUTH OF SALINA CRUZ MEXICO. THE CYCLONE QUICKLY STRENGTHENED INTO A TROPICAL STORM AND MOVED WEST-NORTHWESTWARD PARALLELING THE COAST OF MEXICO. THE STORM INTENSIFIED INTO A HURRICANE ON 29 AUGUST AND STRENGTHENED RAPIDLY INTO A CATEGORY 3 HURRICANE LATER THAT DAY WHILE CENTERED ABOUT 140 N MI SOUTH OF ACAPULCO. JOHN REACHED CATEGORY 4 STRENGTH ON 30 AUGUST BUT WEAKENED TO CATEGORY 2 STATUS THE NEXT DAY AS IT CONTINUED MOVING ROUGHLY PARALLEL TO THE SOUTHWESTERN COAST OF MEXICO. JOHN MOVED NORTHWESTWARD AND MADE LANDFALL AS A CATEGORY 2 HURRICANE EARLY ON 2 SEPTEMBER IN SOUTHERN BAJA CALIFORNIA ABOUT 40 N MI NORTHEAST OF CABO SAN LUCAS. JOHN THEN MOVED ALONG THE BAJA PENINSULA...PASSING NEAR LA PAZ WHILE WEAKENING TO A CATEGORY 1 HURRICANE. THE CYCLONE CONTINUED TO WEAKEN AS IT MOVED UP THE BAJA PENINSULA AND WEAKENED TO A TROPICAL STORM LATE ON 2 SEPTEMBER. JOHN'S WINDS DIMINISHED BELOW STORM STRENGTH OVER THE CENTRAL BAJA PENINSULA BY EARLY ON 4 SEPTEMBER. LATER THAT DAY...JOHN DISSIPATED NEAR THE EAST COAST OF THE NORTH-CENTRAL BAJA PENINSULA. A 24-HOUR RAINFALL OF CLOSE TO 11 INCHES WAS REPORTED AT SAN JOSE DE LOS PLANES...NEAR THE LANDFALL POINT IN BAJA CALIFORNIA. OVER 250 HOMES WERE DAMAGED OR DESTROYED BY FLOODING IN MULEGE...AND HEAVY RAINS CAUSED THE OVERFLOW OF THE IGUAGIL DAM IN COMUNDU ISOLATING 15 TOWNS DUE TO FLOOD WATERS. MOISTURE AND LOCALLY HEAVY RAINS FROM JOHN OR ITS REMNANTS SPREAD OVER NORTHWESTERN MEXICO AND THE SOUTHWESTERN UNITED STATES. WIND GUSTS TO 57 KT WERE REPORTED AT LA PAZ IN SOUTHERN BAJA CALIFORNIA. ALTHOUGH THE EYE REMAINED OFFSHORE WHILE IT WAS PARALLELING MAINLAND MEXICO...JOHN'S CIRCULATION AFFECTED THE COAST WITH VERY HEAVY RAINS AND STRONG WINDS. THERE WAS ALSO SIGNIFICANT COASTAL FLOODING DUE TO HIGHER THAN NORMAL TIDES AND WAVE ACTION IN THE ACAPULCO AREA DUE TO JOHN. FIVE DEATHS WERE REPORTED IN ASSOCIATION WITH JOHN. KRISTY DEVELOPED FROM AN AREA OF DISTURBED WEATHER ASSOCIATED WITH A TROPICAL WAVE ON 30 AUGUST ABOUT 520 N MI SOUTHWEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA...AND REACHED TROPICAL STORM INTENSITY LATER THAT DAY. MOVING NORTHWESTWARD...IT BECAME A HURRICANE AND REACHED ITS PEAK INTENSITY OF 70 KNOTS ON 31 AUGUST. THEREAFTER...THE STEERING CURRENTS COLLAPSED AND KRISTY BEGAN TO MEANDER WHILE IT WEAKENED DUE TO VERTICAL WIND SHEAR CAUSED BY HURRICANE JOHN. KRISTY FLUCTUATED IN INTENSITY BETWEEN STORM AND DEPRESSION STRENGTH AS IT MOVES WESTWARD. IT FINALLY BECAME A REMNANT LOW ON 8 SEPTEMBER AND DEGENERATED INTO A TROUGH OF LOW PRESSURE ON 9 SEPTEMBER. LANE DEVELOPED IN ASSOCIATION WITH A TROPICAL WAVE AND BECAME A TROPICAL DEPRESSION ON 13 SEPTEMBER WHILE CENTERED ABOUT 100 N MI SOUTHWEST OF ACAPULCO. THE CYCLONE REACHED TROPICAL STORM STRENGTH EARLY THE NEXT DAY. LANE MOVED NORTHWESTWARD...ROUGHLY PARALLEL TO THE PACIFIC COAST OF MEXICO...ON 14 SEPTEMBER AS IT SLOWLY STRENGTHENED. INTENSIFICATION WAS MORE RAPID ON 15 SEPTEMBER AND LANE REACHED HURRICANE STATUS AS IT TURNED TOWARD THE NORTH-NORTHWEST...WITH ITS CENTER PASSING ABOUT 30 N MI WEST OF CABO CORRIENTES MEXICO LATER THAT DAY. THE CENTER THEN PASSED JUST WEST OF THE ISLAS MARIAS VERY EARLY ON 16 SEPTEMBER WHILE THE HURRICANE WAS AT CATEGORY 2 INTENSITY...AND THE EASTERN EYEWALL DIRECTLY IMPACTED THOSE ISLANDS. LANE PROCEEDED NORTHWARD AND STRENGTHENED SOME MORE...REACHING ITS PEAK INTENSITY OF 110 KT A FEW HOURS LATER. IT CHANGED LITTLE IN STRENGTH BEFORE MAKING LANDFALL LATER ON 16 SEPTEMBER ON THE PACIFIC COAST OF MAINLAND MEXICO...IN THE STATE OF SINALOA ALONG THE PENINSULA DE GUEVEDO OR ABOUT 15 N MI SOUTHEAST OF EL DORADO...AS A CATEGORY 3 HURRICANE WITH WINDS OF 110 KT. THE RELATIVELY SMALL CYCLONE WEAKENED QUICKLY AFTER MOVING INLAND OVER THE RUGGED TERRAIN OF WESTERN MEXICO. LANE WEAKENED TO A TROPICAL STORM EARLY ON 17 SEPTEMBER... AND THE CIRCULATION DISSIPATED LATER THAT DAY. SOME OF THE REMAINING MOISTURE CONTRIBUTED TO ENHANCED RAINFALL OVER PORTIONS OF INTERIOR NORTHERN MEXICO AND SOUTHERN TEXAS. LANE PRODUCED COASTAL FLOODING...STRONG WINDS...AND HEAVY RAINFALL...FLOODS...AND MUD SLIDES OVER MANY AREAS NEAR THE PACIFIC COAST OF MEXICO...INCLUDING LOCATIONS WELL SOUTH OF THE LANDFALL LOCATION SUCH AS ACAPULCO. FOUR FATALITIES HAVE BEEN REPORTED AS BEING DIRECTLY ATTRIBUTABLE TO HURRICANE LANE. MIRIAM DEVELOPED WITHIN A BROAD AREA OF DISTURBED WEATHER TO THE WEST OF HURRICANE LANE...BECOMING A TROPICAL DEPRESSION EARLY ON 16 SEPTEMBER ABOUT 440 N MI SOUTHWEST OF CABO SAN LUCAS. THE DEPRESSION MOVED SLOWLY NORTHEASTWARD...BECAME A STORM LATER THAT DAY...AND REACHED ITS PEAK INTENSITY OF 40 KT EARLY ON 17 SEPTEMBER. NORTHEASTERLY WIND SHEAR AND AN INFLOW OF RELATIVELY COOL AIR LIMITED FURTHER DEVELOPMENT...AND MIRIAM BEGAN TO LOSE ORGANIZATION LATER ON 17 SEPTEMBER. MIRIAM WEAKENED TO A DEPRESSION AND THEN DEGENERATED TO A REMNANT LOW THE NEXT DAY. THE REMNANTS OF MIRIAM MOVED GENERALLY NORTHWARD TOWARD THE BAJA CALIFORNIA PENINSULA BEFORE DISSIPATING ON 21 SEPTEMBER A SHORT DISTANCE OFFSHORE. NORMAN ORIGINATED FROM A TROPICAL WAVE THAT REACHED THE EASTERN NORTH PACIFIC ON 1 OCTOBER. THE WAVE MOVED WESTWARD AND FIRST SHOWED SIGNS OF ORGANIZATION ON 8 OCTOBER. THE SYSTEM SPAWNED A TROPICAL DEPRESSION ON 9 OCTOBER ABOUT 665 N MI SOUTHWEST OF CABO SAN LUCAS. THE CYCLONE BECAME A TROPICAL STORM LATER THAT DAY AS IT MOVED SLOWLY NORTH-NORTHWESTWARD. NORMAN REACHED AN ESTIMATED PEAK INTENSITY OF 45 KT ON 10 OCTOBER...THEN WEAKENED TO A DEPRESSION LATER THAT DAY DUE TO SOUTHWESTERLY VERTICAL WIND SHEAR. THE CYCLONE TURNED EAST-NORTHEASTWARD AND DEGENERATED TO A NON-CONVECTIVE REMNANT LOW ON 11 OCTOBER ABOUT 460 N MI SOUTHWEST OF CABO SAN LUCAS. THE REMNANTS OF NORMAN MOVED GENERALLY EAST-SOUTHEASTWARD FOR THE NEXT THREE DAYS...BECOMING INVOLVED WITH A LARGE AREA OF DISTURBED WEATHER NEAR THE COAST OF MEXICO. THIS LED TO NORMAN REGENERATING INTO A TROPICAL DEPRESSION ON 15 OCTOBER ABOUT 175 N MI SOUTH-SOUTHEAST OF MANZANILLO. THE CYCLONE ABRUPTLY DISSIPATED LATER THAT DAY ABOUT 20 N MI SOUTH OF MANZANILLO. WHILE THE REGENERATED NORMAN PRODUCED LOCALLY HEAVY RAINS IN PORTIONS OF SOUTHWESTERN MEXICO...THERE WERE NO REPORTS OF CASUALTIES OR DAMAGES. OLIVIA DEVELOPED FROM A WEST-AFRICAN TROPICAL WAVE THAT MOVED INTO THE EASTERN PACIFIC ON 29 SEPTEMBER. THE WAVE MOVED WESTWARD AND DEVELOPED INTO A TROPICAL DEPRESSION LATE ON 9 OCTOBER ABOUT 1180 N MI WEST-SOUTHWEST OF CABO SAN LUCAS. SHORTLY THEREAFTER...THE DEPRESSION TURNED NORTHWARD AND BECAME A TROPICAL STORM EARLY ON 10 OCTOBER. OLIVIA THEN MOVED NORTHEASTWARD AND REACHED AN ESTIMATED PEAK INTENSITY OF 40 KT LATE THAT SAME DAY. HOWEVER... INCREASING SOUTHWESTERLY VERTICAL SHEAR INDUCED RAPID WEAKENING...AND OLIVIA BECAME A DEPRESSION ON 11 OCTOBER ABOUT 900 N MI WEST-SOUTHWEST OF CABO SAN LUCAS. OLIVIA TURNED EAST-SOUTHEASTWARD AND GRADUALLY DEGENERATED INTO A REMNANT LOW EARLY ON 13 OCTOBER. BY 15 OCTOBER ITS REMNANTS WERE ABSORBED BY THE LARGE DISTURBANCE THAT INCLUDED THE REMNANTS OF NORMAN. THERE WERE NO REPORTS OF CASUALTIES OR DAMAGES ASSOCIATED WITH OLIVIA. PAUL FORMED FROM A TROPICAL WAVE THAT EMERGED OFF THE COAST OF AFRICA ON 4 OCTOBER. THE WAVE CROSSED CENTRAL AMERICA ON 18 OCTOBER AND MOVED INTO A PRE-EXISTING AREA OF DISTURBED WEATHER OVER THE EASTERN PACIFIC THE NEXT DAY. THIS RESULTED IN A LARGE AREA OF DISORGANIZED SHOWERS AND THUNDERSTORMS EXTENDING FROM THE ITCZ NORTHWARD TO THE SOUTHERN COAST OF MEXICO. AN AREA OF LOW PRESSURE DEVELOPED ON 20 OCTOBER...WHICH IS ESTIMATED TO HAVE BECOME A TROPICAL DEPRESSION EARLY ON 21 OCTOBER ABOUT 230 N MI SOUTH-SOUTHWEST OF MANZANILLO. THE DEPRESSION STRENGTHENED INTO A TROPICAL STORM SHORTLY THEREAFTER. AS PAUL MOVED WESTWARD... EASTERLY SHEAR PREVENTED FURTHER DEVELOPMENT FOR THE NEXT 24 HOURS. PAUL REACHED THE WESTERN END OF THE SUBTROPICAL RIDGE ON 22 OCTOBER...WHERE DECREASING SHEAR ALLOWED RAPID STRENGTHENING. PAUL BECAME A HURRICANE ON 23 OCTOBER AND REACHED AN ESTIMATED PEAK INTENSITY OF 90 KT LATER THAT DAY. PAUL TURNED NORTHWARD LATE THAT DAY DUE TO A LARGE TROUGH OFF THE WEST COAST OF THE UNITED STATES...AND WESTERLY SHEAR ASSOCIATED WITH THE TROUGH INDUCED WEAKENING. PAUL ACCELERATED NORTHEASTWARD ON 24 OCTOBER AS IT WEAKENED INTO A TROPICAL STORM. THE CENTER PASSED JUST SOUTH OF CABO SAN LUCAS AS A MINIMAL TROPICAL STORM EARLY ON 25 OCTOBER...THEN WEAKENED INTO A DEPRESSION LATER THAT DAY. PAUL TURNED NORTHWARD WITH A DECREASE IN FORWARD SPEED AS IT APPROACHED THE SOUTHWESTERN COAST OF MAINLAND MEXICO...THEN MOVED INLAND AND DISSIPATED EARLY ON 26 OCTOBER ABOUT 50 N MI NORTHWEST OF CULIACAN. MEDIA ACCOUNTS INDICATE THAT PAUL WAS RESPONSIBLE FOR FOUR DEATHS IN MEXICO. TROPICAL DEPRESSION EIGHTEEN-E WAS A SHORT-LIVED TROPICAL CYCLONE THAT FORMED ABOUT 135 N MI SOUTH OF MANZANILLO ON 26 OCTOBER. THE DEPRESSION MOVED SOUTHWESTWARD FOR A DAY OR SO AND ENCOUNTERED UNFAVORABLE UPPER LEVEL WINDS. ASSOCIATED THUNDERSTORM ACTIVITY GRADUALLY DECREASED AND THE SYSTEM BECAME A REMNANT LOW EARLY ON 28 OCTOBER ABOUT 210 N MI SOUTH-SOUTHWEST OF MANZANILLO. THE REMNANT LOW CONTINUED TO MOVE WESTWARD FOR ABOUT A DAY UNTIL IT DISSIPATED AROUND 0600 UTC 29 OCTOBER. ROSA FORMED FROM A TROPICAL WAVE THAT ENTERED THE EASTERN NORTH PACIFIC OCEAN ON 3 NOVEMBER. SHORTLY THEREAFTER...SHOWER AND THUNDERSTORM ACTIVITY BEGAN TO INCREASE AND A BROAD LOW PRESSURE AREA DEVELOPED SEVERAL HUNDRED MILES SOUTH OF THE GULF OF TEHUANTEPEC ON 5 NOVEMBER. THE CONVECTIVE ACTIVITY REMAINED DISORGANIZED THE NEXT DAY...BUT GRADUALLY INCREASED NEAR THE CENTER LATE ON 7 NOVEMBER...WHICH LEAD TO THE FORMATION OF A TROPICAL DEPRESSION AT 0600 UTC 8 NOVEMBER WHILE LOCATED ABOUT 385 N MI SOUTH OF MANZANILLO. THE TROPICAL CYCLONE MOVED SLOWLY NORTHWESTWARD DURING ITS ENTIRE LIFETIME. ADDITIONAL DEVELOPMENT OF THE SYSTEM WAS SLOW DUE TO SOUTHWESTERLY WIND SHEAR. DESPITE THE SHEAR...CONVECTION ONCE AGAIN INCREASED NEAR THE CENTER EARLY ON 9 NOVEMBER WHICH ALLOWED THE DEPRESSION TO STRENGTHEN TO A MINIMAL TROPICAL STORM BY 0600 UTC WHILE CENTERED ABOUT 260 N MI SOUTH-SOUTHWEST OF MANZANILLO. THE SHEAR HALTED FURTHER INTENSIFICATION AND ROSA REMAINED A TROPICAL STORM FOR ONLY 18 HOURS. ROSA WEAKENED TO A TROPICAL DEPRESSION AT 0000 UTC 10 NOVEMBER AND THE CIRCULATION GRADUALLY DEGENERATED INTO AN OPEN TROUGH LATER THAT DAY WHILE LOCATED ABOUT 215 N MI SOUTHWEST OF MANZANILLO. SHORT-LIVED TROPICAL DEPRESSION TWENTY-E WAS SPAWNED BY A TROPICAL WAVE THAT ENTERED THE PACIFIC ON 2 NOVEMBER. THE ASSOCIATED DISTURBED WEATHER WAS SLOW TO ORGANIZE...BUT A TROPICAL DEPRESSION EVENTUALLY FORMED ON 11 NOVEMBER WHILE CENTERED ABOUT 565 N MI SOUTHWEST OF MANZANILLO. THE SYSTEM MOVED WEST-SOUTHWESTWARD AND DISSIPATED LATER THAT DAY. SERGIO WAS THE STRONGEST EASTERN NORTH PACIFIC HURRICANE FOR SO LATE IN THE SEASON. IT DEVELOPED FROM A TROPICAL WAVE THAT CROSSED CENTRAL AMERICA AND ENTERED THE PACIFIC ON 7 NOVEMBER. A TROPICAL DEPRESSION FORMED ON 13 NOVEMBER ABOUT 415 N MI TO THE SOUTH OF MANZANILLO. THE SYSTEM BECAME A TROPICAL STORM ON 14 NOVEMBER AND STRENGTHENED INTO A HURRICANE ON 15 NOVEMBER. SERGIO REACHED ITS PEAK INTENSITY OF 95 KT LATER THAT SAME DAY. THE SYSTEM HAD BEEN MOVING SLOWLY SOUTHEASTWARD...BUT IT THEN TURNED TOWARD THE NORTHEAST AND NORTH-NORTHEAST AND BEGAN TO WEAKEN DUE TO INCREASING WESTERLY SHEAR. SERGIO WEAKENED TO A TROPICAL STORM EARLY ON 17 NOVEMBER. THE CYCLONE TURNED TOWARD THE WEST AND WEST-SOUTHWEST WHILE CONTINUING TO WEAKEN...AND DISSIPATED LATE ON 20 NOVEMBER ABOUT 315 N MI SOUTHWEST OF MANZANILLO. THERE WAS NO DIRECT OR SIGNIFICANT IMPACT ON LAND. SUMMARY TABLE NAME DATES MAX WIND (KT) DEATHS ------------------------------------------------------- TS ALETTA 27-30 MAY 40 0 TD TWO-E 3-5 JUN 30 0 H BUD 11-16 JUL 110 0 H CARLOTTA 12-16 JUL 75 0 H DANIEL 17-26 JUL 130 0 TS EMILIA 21-28 JUL 55 0 TS FABIO 31 JUL-3 AUG 45 0 TS GILMA 1-3 AUG 35 0 H HECTOR 15-23 AUG 95 0 H ILEANA 21-27 AUG 105 0 H JOHN 28 AUG-4 SEP 115 5 H KRISTY 30 AUG-8 SEP 70 0 H LANE 13-17 SEP 110 4 TS MIRIAM 16-18 SEP 40 0 TS NORMAN 9-15 OCT 45 0 TS OLIVIA 9-12 OCT 40 0 H PAUL 21-26 OCT 90 4 TD EIGHTEEN-E 26-27 OCT 30 0 TS ROSA 8-10 NOV 35 0 TD TWENTY-E 11 NOV 30 0 H SERGIO 13-20 NOV 95 0 ------------------------------------------------------- NOTE...DATES BASED ON COORDINATED UNIVERSAL TIME (UTC) $$ FORECASTER PASCH/BLAKE/AVILA/BEVEN/BROWN/FRANKLIN/KNABB/ MAINELLI/RHOME/STEWART
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Page last modified: Friday, 01-Dec-2006 18:42:59 UTC