000 ABPZ30 KNHC 011605 TWSEP MONTHLY TROPICAL WEATHER SUMMARY NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 8 AM PST THU DEC 1 2005 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. TROPICAL CYCLONE ACTIVITY IN THE EASTERN NORTH PACIFIC BASIN IN 2005 INCLUDED 15 NAMED TROPICAL STORMS. SEVEN OF THE TROPICAL STORMS BECAME HURRICANES...WITH ONLY ONE BECOMING A MAJOR HURRICANE... CATEGORY THREE OR STRONGER ON THE SAFFIR-SIMPSON HURRICANE SCALE...IN THE EASTERN PACIFIC BASIN. ANOTHER OF THE HURRICANES REACHED MAJOR HURRICANE STATUS AFTER CROSSING INTO THE CENTRAL PACIFIC BASIN. THIS ACTIVITY COMPARES TO LONG-TERM SEASONAL AVERAGES OF 15 TROPICAL STORMS...9 HURRICANES...AND 4 MAJOR HURRICANES. THERE WAS ONE ADDITIONAL DEPRESSION THAT DID NOT REACH TROPICAL STORM INTENSITY. ADRIAN ORIGINATED FROM THE COMBINATION OF A BROAD AREA OF LOW PRESSURE SOUTH OF ACAPULCO MEXICO AND A TROPICAL WAVE THAT CROSSED CENTRAL AMERICA AND ENTERED THE EASTERN NORTH PACIFIC ON 15 MAY. A TROPICAL DEPRESSION FORMED ON 17 MAY ABOUT 400 N MI WEST-SOUTHWEST OF EL SALVADOR... AND IT STRENGTHENED INTO A TROPICAL STORM EARLY THE NEXT DAY. THE STORM MOVED GENERALLY TOWARD THE EAST-NORTHEAST AND REACHED HURRICANE STRENGTH WITH A PEAK INTENSITY OF 70 KT ON 19 MAY ABOUT 75 N MI SOUTHWEST OF EL SALVADOR. A POST-STORM ANALYSIS INDICATES THAT ADRIAN DID NOT MAKE LANDFALL AS A HURRICANE IN EL SALVADOR EARLY ON 20 MAY... AS ASSESSED OPERATIONALLY. BASED ON EXAMINATION OF SATELLITE DATA AND SURFACE OBSERVATIONS... INCLUDING SHIP DATA OBTAINED AFTER THE EVENT... IT HAS BEEN DETERMINED THAT SOUTHWESTERLY WIND SHEAR CAUSED ADRIAN TO WEAKEN JUST OFFSHORE. ADRIAN WAS A WEAKENING TROPICAL STORM EARLY ON 20 MAY AS IT MOVED EASTWARD JUST OFF THE COAST OF EL SALVADOR... AND LATER THAT DAY IT ENTERED THE GULFO DE FONSECA...EAST OF EL SALVADOR...AS A TROPICAL DEPRESSION. THE DEPRESSION THEN MADE LANDFALL ON THE PACIFIC COAST OF HONDURAS DURING THE EVENING OF 20 MAY. EVEN THOUGH THE CENTER DID NOT MAKE LANDFALL IN EL SALVADOR...REPORTS FROM THERE INDICATE THAT HEAVY RAINFALL CAUSED FLOODING AND MUD SLIDES. ONE DEATH IS DIRECTLY ATTRIBUTABLE TO ADRIAN DUE TO FLOODING IN NICARAGUA. BEATRIZ DEVELOPED FROM A TROPICAL WAVE... BECOMING A DEPRESSION ON 21 JUNE ABOUT 240 N MI SOUTH OF ZIHUATANEJO MEXICO. THE CYCLONE STRENGTHENED SLOWLY AS IT MOVED WEST-NORTHWESTWARD WELL OFFSHORE THE MEXICAN COAST...BECOMING A TROPICAL STORM ON 22 JUNE AND REACHING ITS PEAK INTENSITY OF 45 KT EARLY ON 23 JUNE. EASTERLY WIND SHEAR HALTED DEVELOPMENT AND BEATRIZ WEAKENED TO A DEPRESSION OVER COOLER WATER EARLY ON 24 JUNE. THE CYCLONE DEGENERATED INTO A NON-CONVECTIVE REMNANT LOW LATER THAT DAY ABOUT 250 N MI SOUTH-SOUTHWEST OF CABO SAN LUCAS MEXICO... ON THE SOUTHERN TIP OF BAJA CALIFORNIA. BEATRIZ DISSIPATED TWO DAYS LATER. NO REPORTS OF DAMAGES OR CASUALTIES DUE TO BEATRIZ HAVE BEEN RECEIVED. CALVIN DEVELOPED FROM A TROPICAL WAVE THAT CROSSED CENTRAL AMERICA AROUND 21 JUNE. THE AREA OF DISTURBED WEATHER ASSOCIATED WITH THE WAVE MOVED SLOWLY WESTWARD TO THE SOUTH OF EASTERN MEXICO FOR A FEW DAYS... WITH UNSTEADY DEVELOPMENT. FINALLY ON 26 JUNE... A TROPICAL DEPRESSION FORMED ABOUT 285 N MI SOUTH-SOUTHEAST OF ACAPULCO MEXICO. IT BECAME A TROPICAL STORM LATER THAT DAY AND REACHED ITS PEAK INTENSITY OF 45 KT ON 27 JUNE. SIMILAR TO BEATRIZ... THE DEVELOPMENT TREND WAS REVERSED BY EASTERLY WIND SHEAR. CALVIN WEAKENED TO A DEPRESSION ON 28 JUNE AND DEGENERATED INTO A REMNANT LOW THAT NIGHT. THE REMNANT CIRCULATION CONTINUED TOWARD THE WEST-NORTHWEST WHILE PRODUCING INTERMITTENT DEEP BUT DISORGANIZED CONVECTION THROUGH 2 JULY. THE LOW THEN TURNED WESTWARD... EVENTUALLY DISSIPATING ON 3 JULY ABOUT 680 N MI WEST-SOUTHWEST OF CABO SAN LUCAS. NO REPORTS OF DAMAGES OR CASUALTIES DUE TO CALVIN HAVE BEEN RECEIVED. DORA FORMED ON 4 JULY ABOUT 125 N MI SOUTH OF ACAPULCO... AND THE DEPRESSION BECAME A TROPICAL STORM LATER THAT DAY ABOUT 90 N MI SOUTHEAST OF ZIHUATANEJO MEXICO. DORA MOVED NORTHWESTWARD AND CAME WITHIN 35 N MI OF THE MEXICAN COAST NEAR ZIHUATANEJO BEFORE TURNING WEST-NORTHWESTWARD AND PARALLELING THE COASTLINE ON 5 JULY. DORA TURNED WESTWARD AWAY FROM MEXICO ON 6 JULY AND WEAKENED TO A DEPRESSION AND THEN A REMNANT LOW OVER COOLER WATERS. THE LOW DISSIPATED LATE THAT DAY 220 N MI WEST OF MANZANILLO. NO REPORTS OF DAMAGES OR CASUALTIES DUE TO DORA HAVE BEEN RECEIVED. EUGENE FORMED FROM A TROPICAL WAVE ON 18 JULY ABOUT 220 N MI SOUTH OF MANZANILLO. THE STORM MOVED GENERALLY NORTHWESTWARD PARALLEL TO THE COAST OF MEXICO FOR ABOUT A DAY... AND REACHED ITS PEAK INTENSITY OF 60 KT WHILE LOCATED ABOUT 180 N MI WEST-SOUTHWEST OF CABO CORRIENTES. EUGENE SOON WEAKENED TO A TROPICAL DEPRESSION OVER COOLER WATERS AND IT WAS REDUCED TO A REMNANT LOW ABOUT 100 N MI SOUTHWEST OF CABO SAN LUCAS LATE ON 20 JULY. THE REMNANT LOW CONTINUED NORTHWESTWARD AND DISSIPATED BY 22 JULY. NO REPORTS OF DAMAGES OR CASUALTIES DUE TO EUGENE HAVE BEEN RECEIVED. FERNANDA FORMED ABOUT 575 N MI SOUTH-SOUTHWEST OF CABO SAN LUCAS ON 9 AUGUST AND BECAME A TROPICAL STORM ON 10 AUGUST AS IT MOVED TOWARD THE WEST-NORTHWEST. IT BECAME A HURRICANE ON 11 AUGUST AND REACHED ITS PEAK INTENSITY OF 75 KNOTS ON 12 AUGUST BEFORE MOVING TOWARD COOLER WATERS AND A HOSTILE ENVIRONMENT. THEREAFTER... FERNANDA MOVED TOWARD THE WEST-SOUTHWEST AND GRADUALLY WEAKENED. IT DISSIPATED ON 17 AUGUST. NO REPORTS OF DAMAGES OR CASUALTIES DUE TO FERNANDA HAVE BEEN RECEIVED. GREG FORMED AS A TROPICAL DEPRESSION ABOUT 600 N MI SOUTH OF CABO SAN LUCAS ON 11 AUGUST... AND IT BECAME A TROPICAL STORM LATER THAT DAY. GREG MOVED SLOWLY TO THE WEST-NORTHWEST AND REACHED ITS PEAK INTENSITY OF 45 KT ON 12 AUGUST. A DEVELOPING RIDGE BETWEEN GREG AND FERNANDA FORCED GREG TO DRIFT TO THE SOUTH AND SOUTHWEST WHILE NORTHERLY SHEAR WEAKENED THE CYCLONE. GREG WEAKENED TO A DEPRESSION ON 14 AUGUST AND THEN DEGENERATED INTO A REMNANT LOW THE FOLLOWING DAY ABOUT 650 N MI SOUTH-SOUTHWEST OF CABO SAN LUCAS. NO REPORTS OF DAMAGES OR CASUALTIES DUE TO GREG HAVE BEEN RECEIVED. HILARY DEVELOPED INTO A TROPICAL DEPRESSION ABOUT 185 N MI SOUTH OF SALINA CRUZ MEXICO ON 19 AUGUST. IT MOVED WESTWARD AND BECAME A TROPICAL STORM THE NEXT DAY. FOR THE NEXT COUPLE OF DAYS IT TOOK A PATH ROUGHLY PARALLEL TO THE MEXICAN COAST ABOUT 225 N MI OFFSHORE. IT BECAME A HURRICANE EARLY ON 21 AUGUST...AND AS ITS WIND FIELD EXPANDED BROUGHT TROPICAL STORM FORCE WINDS TO THE COAST OF MEXICO NEAR MANZANILLO LATER THAT DAY. HILARY EDGED AWAY FROM THE MAINLAND AND STRENGTHENED...REACHING A PEAK INTENSITY OF 90 KT ON 22 AUGUST. A SLOW WEAKENING TREND ENSUED AS HILARY MOVED WEST-NORTHWEST TO NORTHWESTWARD OVER COOLER WATERS. THE CYCLONE WEAKENED TO A TROPICAL STORM ON 24 AUGUST ABOUT 435 N MI WEST OF CABO SAN LUCAS... AND TO A DEPRESSION... AND A NON-CONVECTIVE REMNANT LOW THE FOLLOWING DAY. NO REPORTS OF DAMAGES OR CASUALTIES HAVE BEEN RECEIVED IN ASSOCIATION WITH HILARY. IRWIN LIKELY ORIGINATED FROM THE SOUTHERN PORTION OF THE TROPICAL WAVE THAT SPAWNED POWERFUL ATLANTIC HURRICANE KATRINA. IT FORMED AS A DEPRESSION ON 25 AUGUST ABOUT 135 N MI SOUTH OF MANZANILLO MEXICO. THE DEPRESSION MOVED WESTWARD AND BECAME A TROPICAL STORM EARLY ON 26 AUGUST. IRWIN REACHED A PEAK INTENSITY OF 45 KT LATER THAT DAY... THEN SLOWLY WEAKENED ON 27 AUGUST. THE CYCLONE WEAKENED TO A DEPRESSION EARLY ON 28 AUGUST... AND TO A REMNANT LOW LATER THAT DAY WHILE CENTERED ABOUT 490 N MI SOUTHWEST OF CABO SAN LUCAS. THE REMNANT LOW PERSISTED UNTIL 3 SEPTEMBER. NO REPORTS OF DAMAGES OR CASUALTIES DUE TO IRWIN HAVE BEEN RECEIVED. JOVA WAS A LONG-TRACK HURRICANE THAT CROSSED INTO THE CENTRAL PACIFIC BASIN AND BRIEFLY THREATENED THE HAWAIIAN ISLANDS. JOVA FORMED EARLY ON 12 SEPTEMBER ABOUT 550 N MI SOUTH-SOUTHWEST OF CABO SAN LUCAS. HOWEVER...UPPER-LEVEL WINDS HINDERED DEVELOPMENT AND JOVA DID NOT REACH TROPICAL STORM STATUS UNTIL EARLY ON 15 SEPTEMBER ABOUT 1150 N MI WEST-SOUTHWEST OF CABO SAN LUCAS. JOVA CONTINUED ON A TRACK SLIGHTLY SOUTH OF DUE WEST FOR THE NEXT 2 DAYS AND GRADUALLY STRENGTHENED INTO A HURRICANE. EARLY ON 18 SEPTEMBER ...JOVA MADE AN ABRUPT TURN TO THE NORTHWEST NEAR 140W LONGITUDE... AND SLOWLY INTENSIFIED AND BECAME A MAJOR HURRICANE ON 20 SEPTEMBER. JOVA MAINTAINED CATEGORY 3 OR MAJOR HURRICANE STATUS FOR THE NEXT 2 DAYS. HOWEVER...THE NORTHWESTWARD MOTION GRADUALLY TOOK THE HURRICANE ACROSS COOLER WATERS...AND SLOW WEAKENING BEGAN EARLY ON 22 SEPTEMBER WHEN JOVA WAS LOCATED ABOUT 410 N MI EAST OF THE HAWAIIAN ISLANDS. JOVA WEAKENED TO A TROPICAL STORM EARLY ON 23 SEPTEMBER AS INCREASING SOUTHWESTERLY VERTICAL SHEAR ENHANCED THE WEAKENING PROCESS... AND IT BECAME A TROPICAL DEPRESSION EARLY ON 25 SEPTEMBER. JOVA DEGENERATED INTO A REMNANT LOW PRESSURE SYSTEM SHORTLY THEREAFTER AND DISSIPATED LATER THAT DAY ABOUT 220 N MI NORTHEAST OF HONOLULU HAWAII. NO REPORTS OF DAMAGES OR CASUALTIES DUE TO JOVA HAVE BEEN RECEIVED. LONG-LIVED KENNETH DEVELOPED ON 14 SEPTEMBER ABOUT 790 N MI SOUTHWEST OF CABO SAN LUCAS MEXICO...AND IT BECAME A TROPICAL STORM THE FOLLOWING DAY. KENNETH MOVED WEST-NORTHWESTWARD AND INTENSIFIED INTO A HURRICANE ON 16 SEPTEMBER. THE HURRICANE CONTINUED TO STRENGTHEN... DEVELOPING A WELL-DEFINED EYE... AND IT REACHED ITS PEAK INTENSITY OF 115 KT ON 18 SEPTEMBER. MOVING SLOWLY...KENNETH GRADUALLY WEAKENED TO BELOW HURRICANE STRENGTH ON 20 SEPTEMBER AND TO 45 KT ON 21 SEPTEMBER...AND THEN SLOWLY RE-STRENGTHENED. THE CYCLONE REGAINED HURRICANE STATUS ON 25 SEPTEMBER. KENNETH DRIFTED SOUTHWESTWARD ACROSS 140W LONGITUDE AND INTO THE CENTRAL PACIFIC HURRICANE BASIN ON 26 SEPTEMBER. SHORTLY THEREAFTER... THE CYCLONE WEAKENED BELOW HURRICANE STRENGTH. KENNETH TURNED NORTHWESTWARD AND CONTINUED TO WEAKEN AND BECAME A TROPICAL DEPRESSION ON 29 SEPTEMBER ABOUT 340 N MI EAST OF THE BIG ISLAND OF HAWAII... AND DISSIPATED JUST EAST OF THE BIG ISLAND ON 30 SEPTEMBER. THE REMNANTS OF KENNETH PASSED SOUTH OF THE HAWAIIAN ISLANDS PRODUCING SOME LOCALLY HEAVY RAINS. NO REPORTS OF DAMAGES OR CASUALTIES DUE TO KENNETH HAVE BEEN RECEIVED. LIDIA WAS A SHORT-LIVED TROPICAL CYCLONE. IT BECAME A DEPRESSION EARLY ON 17 SEPTEMBER ABOUT 680 N MI SOUTHWEST OF CABO SAN LUCAS AND BECAME A TROPICAL STORM LATER THAT DAY. LIDIA MOVED VERY LITTLE AND ON 18 SEPTEMBER IT BECAME ABSORBED BY THE MUCH LARGER CIRCULATION OF THE TROPICAL STORM THAT EVENTUALLY BECAME HURRICANE MAX... LOCATED ABOUT 200 N MI TO THE EAST. NO REPORTS OF DAMAGES OR CASUALTIES DUE TO LIDIA HAVE BEEN RECEIVED. MAX FORMED AS A TROPICAL DEPRESSION ON 18 SEPTEMBER ABOUT 500 N MI SOUTH-SOUTHWEST OF CABO SAN LUCAS. IT BECAME A TROPICAL STORM LATER THAT DAY AS IT MOVED WEST-NORTHWESTWARD WHILE ABSORBING THE SMALLER CIRCULATION OF LIDIA. MAX TURNED TOWARD THE NORTHWEST AND STRENGTHENED ON 19 SEPTEMBER... REACHING HURRICANE INTENSITY WITH 65 KT WINDS EARLY ON 20 SEPTEMBER. CONTINUING NORTHWESTWARD... MAX REACHED ITS PEAK INTENSITY OF 70 KT LATER THAT DAY... BUT THEN BEGAN TO WEAKEN AS IT REACHED COOLER WATERS. MAX TURNED WESTWARD ON 21 SEPTEMBER AND WEAKENED TO A TROPICAL DEPRESSION THE NEXT MORNING. IT DEGENERATED TO A REMANT LOW LATER ON 22 SEPTEMBER ABOUT 700 N MI WEST OF CABO SAN LUCAS. NO REPORTS OF DAMAGES OR CASUALTIES DUE TO MAX HAVE BEEN RECEIVED. NORMA DEVELOPED FROM A LARGE TROPICAL DISTURBANCE THAT LINGERED A FEW HUNDRED N MI SOUTH OF MANZANILLO MEXICO FOR SEVERAL DAYS. A TROPICAL DEPRESSION FORMED EARLY ON 23 SEPTEMBER AND IT STRENGTHENED INTO A TROPICAL STORM LATER THAT DAY. MOVING SLOWLY TO THE WEST-NORTHWEST ...NORMA GRADUALLY DEVELOPED DESPITE MODEST NORTHEASTERLY SHEAR AND REACHED ITS PEAK INTENSITY OF 55 KT ON 24 SEPTEMBER. THE VERTICAL SHEAR INCREASED AND GRADUALLY CAUSED NORMA TO WEAKEN... AND IT BECAME A TROPICAL DEPRESSION EARLY ON 27 SEPTEMBER. DEEP CONVECTION FADED AS NORMA MOVED OVER COOLER WATERS... AND THE CYCLONE DEGENERATED TO A REMNANT LOW LATER THAT DAY. NO REPORTS OF DAMAGES OR CASUALTIES DUE TO NORMA HAVE BEEN RECEIVED. OTIS FORMED FROM A TROPICAL WAVE THAT MOVED WESTWARD FROM THE COAST OF AFRICA ON 9 SEPTEMBER AND MAY HAVE SPAWNED ATLANTIC HURRICANE PHILIPPE. THE WAVE REACHED THE EASTERN PACIFIC ON 22 SEPTEMBER AND BEGAN TO SHOW SIGNS OF ORGANIZATION ON 27 SEPTEMBER. A TROPICAL DEPRESSION FORMED THE NEXT DAY ABOUT 120 N MI SOUTH OF MANZANILLO MEXICO. THE CYCLONE MOVED WESTWARD AND BECAME TROPICAL STORM OTIS ON 29 SEPTEMBER. OTIS TURNED NORTHWESTWARD AND ACHIEVED HURRICANE STATUS ON 30 SEPTEMBER... REACHING AN ESTIMATED PEAK INTENSITY OF 90 KT ON 1 OCTOBER. IT THEN WEAKENED TO A TROPICAL STORM THE NEXT DAY. A COMBINATION OF COOL SEA-SURFACE TEMPERATURES AND DRY AIR CAUSED CONTINUED WEAKENING... AND OTIS BECAME A DEPRESSION ON 3 OCTOBER. IT DEGENERATED INTO A NON-CONVECTIVE REMNANT LOW PRESSURE AREA ON 4 OCTOBER ABOUT 80 N MI NORTHWEST OF CABO SAN LAZARO MEXICO. WHILE OTIS BROUGHT TROPICAL STORM CONDITIONS AND LOCALLY HEAVY RAINS TO THE MOUNTAINOUS AREAS OF SOUTHERN BAJA CALIFORNIA... THERE ARE NO REPORTS OF DAMAGE OR CASUALTIES. TROPICAL DEPRESSION SIXTEEN-E WAS A RELATIVELY LONG-LIVED TROPICAL CYCLONE... DEVELOPING FROM AN AREA OF DISTURBED WEATHER WITHIN THE ITCZ EARLY ON 15 OCTOBER ABOUT 360 N MI SOUTH OF ACAPULCO MEXICO. THE DEPRESSION MOVED WESTWARD TO WEST-SOUTHWESTWARD FOR THE NEXT 5 DAYS... AND AT TIMES TD-16E SEEMED AS THOUGH IT WAS ABOUT TO BECOME A TROPICAL STORM. HOWEVER...UNFAVORABLE UPPER-LEVEL WINDS NEVER ALLOWED THE STRONGEST CONVECTION TO REMAIN NEAR THE LOW-LEVEL CENTER FOR MORE THAN A FEW HOURS AT A TIME. THE DEPRESSION EVENTUALLY DEGENERATED INTO A NON-CONVECTIVE REMNANT LOW PRESSURE SYSTEM ABOUT 820 N MI SOUTHWEST OF CABO SAN LUCAS MEXICO LATE ON 20 OCTOBER. THE REMNANT CIRCULATION WAS ABSORBED BACK INTO THE ITCZ THE NEXT DAY. SUMMARY TABLE NAME DATES MAX WIND (KT) DEATHS ---------------------------------------------------------- H ADRIAN 17-21 MAY 70 1 TS BEATRIZ 21-24 JUN 45 0 TS CALVIN 26-29 JUN 45 0 TS DORA 4-6 JUL 40 0 TS EUGENE 18-20 JUL 60 0 H FERNANDA 9-16 AUG 75 0 TS GREG 11-15 AUG 45 0 H HILARY 19-25 AUG 90 0 TS IRWIN 25-28 AUG 45 0 H JOVA 13-24 SEP 100 0 H KENNETH 14-30 SEP 115 0 TS LIDIA 17-19 SEP 35 0 H MAX 18-22 SEP 70 0 TS NORMA 23-27 SEP 55 0 H OTIS 28 SEP - 3 OCT 90 0 TD SIXTEEN-E 15-20 OCT 30 0 ---------------------------------------------------------- NOTE...DATES BASED ON COORDINATED UNIVERSAL TIME (UTC) FORECASTER STEWART/BEVEN/AVILA/FRANKLIN/KNABB/PASCH $$
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Page last modified: Thursday, 01-Dec-2005 17:37:40 UTC