000 ABPZ30 KNHC 011438 TWSEP MONTHLY TROPICAL WEATHER SUMMARY NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 AM PDT FRI AUG 1 2008 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. TROPICAL CYCLONE ACTIVITY DURING JULY WAS NEAR AVERAGE. FOUR TROPICAL STORMS FORMED DURING THE MONTH. THREE OF THESE BECAME HURRICANES BUT NONE BECAME A MAJOR HURRICANE. IN ADDITION...AT THE BEGINNING OF THE MONTH HURRICANE BORIS WAS ONGOING AND TROPICAL DEPRESSION CRISTINA WAS DISSIPATING. ALSO...ONE TROPICAL DEPRESSION OCCURRED THAT DID NOT REACH STORM STRENGTH. ON AVERAGE...ABOUT FOUR TROPICAL STORMS DEVELOP IN JULY...WITH TWO BECOMING HURRICANES... AND ONE BECOMING A MAJOR HURRICANE. SO FAR THE EASTERN PACIFIC HAS HAD SEVEN TROPICAL STORMS...FOUR HURRICANES...AND NO MAJOR HURRICANES. THIS IS PRETTY CLOSE TO THE LONG-TERM AVERAGE OF SEVEN TROPICAL STORMS...THREE HURRICANES...AND ONE MAJOR HURRICANE. 2008 HAS ALREADY HAD AS MANY HURRICANES AS ALL OF 2007 IN THE EASTERN PACIFIC. AT THE START OF JULY...BORIS WAS A CATEGORY ONE HURRICANE LOCATED ABOUT 1140 MILES WEST-SOUTHWEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA. ON 2 JULY...BORIS WEAKENED INTO A TROPICAL STORM DUE TO THE EFFECTS ON COOLER SEA SURFACE TEMPERATURES. SLOW WEAKENING CONTINUED AND BORIS BECAME A TROPICAL DEPRESSION ON 3 JULY... DEGENERATING INTO A REMNANT LOW THE NEXT DAY ABOUT 1420 MILES WEST-SOUTHWEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA. DOUGLAS WAS A WEAK...SHORT-LIVED TROPICAL CYCLONE THAT FORMED FROM AN AREA OF LOW PRESSURE ON 1 JULY ABOUT 280 MILES SOUTHWEST OF MANZANILLO MEXICO. DOUGLAS MOVED TOWARD THE NORTHWEST PARALLELING THE SOUTHWESTERN COAST OF MEXICO WHERE IT PRODUCED HEAVY RAINS. THE CYCLONE REACHED ITS MAXIMUM INTENSITY OF 40 MPH BEFORE MOVING OVER COOLER WATERS AND BEGAN TO WEAKEN. IT BECAME A REMNANT LOW ON 3 JULY. TROPICAL DEPRESSION FIVE-E WAS A SHORT-LIVED TROPICAL CYCLONE THAT FORMED FROM A TROPICAL WAVE ON 5 JULY ABOUT 170 MILES SOUTH-SOUTHEAST OF ACAPULCO MEXICO. THE CYCLONE INITIALLY MOVED NORTHWESTWARD BUT TURNED NORTH-NORTHWESTWARD THE NEXT DAY AND SLOWED DOWN. A VERY LARGE AREA OF SHOWERS AND THUNDERSTORMS ACCOMPANIED THE DEPRESSION ON 6 JULY...BUT MOST OF THAT ACTIVITY REMAINED OFFSHORE FROM MEXICO UNTIL LATE THAT DAY. CONTINUING SLOWLY NORTHWARD...THE CENTER OF THE DEPRESSION MADE LANDFALL VERY EARLY ON 7 JULY JUST WEST OF LAZARO CARDENAS MEXICO WITH MAXIMUM WINDS OF ABOUT 35 MPH...AND THE CIRCULATION DISSIPATED INLAND OVER MOUNTAINOUS TERRAIN A FEW HOURS LATER. HEAVY RAINS WERE DUMPED AT SOME LOCATIONS ALONG THE COAST OF MEXICO...INCLUDING MORE THAN FIVE AND A HALF INCHES AT MANZANILLO...BUT NO CASUALTIES...FLOODS...OR OTHER SIGNIFICANT IMPACTS HAVE BEEN REPORTED. ELIDA WAS A CATEGORY TWO HURRICANE THAT DID NOT AFFECT LAND. IT FIRST FORMED AS A TROPICAL DEPRESSION ON 11 JULY ABOUT 400 MILES SOUTHEAST OF ACAPULCO AND BECAME A TROPICAL STORM LATER THAT DAY. ELIDA MOVED WEST-NORTHWESTWARD ON A TRACK ROUGHLY PARALLEL TO THE PACIFIC COAST OF MEXICO WHILE GRADUALLY STRENGTHENING OVER THE NEXT COUPLE OF DAYS...BECOMING A HURRICANE ON 14 JULY ABOUT 335 MILES SOUTH-SOUTHWEST OF CABO CORRIENTES. ELIDA TURNED WESTWARD...AND VERY LITTLE ADDITIONAL STRENGTHENING OCCURRED OVER THE NEXT TWO DAYS WHILE THE CYCLONE EXPERIENCED SOME EASTERLY VERTICAL WIND SHEAR. BY 16 JULY THIS SHEAR HAD DIMINISHED...AND ELIDA BEGAN TO STRENGTHEN...REACHING ITS PEAK INTENSITY OF 105 MPH...SHORTLY BEFORE THE CENTER OF THE HURRICANE REACHED COOLER WATERS. GRADUAL WEAKENING BEGAN THE NEXT DAY...AND ELIDA BECAME A TROPICAL STORM ON 18 JULY AND A DEPRESSION ON 19 JULY. LACKING ORGANIZED THUNDERSTORM ACTIVITY...ELIDA DEGENERATED TO A REMNANT LOW LATER THAT DAY ABOUT 1570 MILES WEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA. BY 21 JULY...THE WESTWARD-MOVING REMNANT LOW HAD DISSIPATED. FAUSTO DEVELOPED FROM A TROPICAL WAVE THAT MOVED WESTWARD FROM THE COAST OF AFRICA ON ON 5 JULY. THIS SYSTEM SHOWED SIGNS OF ORGANIZATION UPON REACHING THE EASTERN PACIFIC ON 13 JULY...AND GRADUAL DEVELOPMENT CONTINUED DURING THE NEXT COUPLE OF DAYS. A TROPICAL DEPRESSION FORMED ON 16 JULY ABOUT 560 MILES SOUTHEAST OF ACAPULCO...AND THE CYCLONE REACHED TROPICAL STORM STRENGTH LATER THAT DAY. AFTER AN INITIAL WESTWARD MOTION...FAUSTO MOVED WEST-NORTHWESTWARD...BECOMING A HURRICANE ON 18 JULY. THE HURRICANE THEN TURNED NORTHWESTWARD AND UNSTEADILY STRENGTHENED TO AN ESTIMATED PEAK INTENSITY OF 100 MPH EARLY ON 21 JULY. LATER THAT DAY...A TURN TOWARD THE WEST-NORTHWEST BROUGHT FAUSTO OVER COOLER WATERS AND IT QUICKLY WEAKENED TO A TROPICAL STORM. ADDITIONAL WEAKENING CAUSED THE CYCLONE TO DECAY TO A REMNANT LOW ON 22 JULY ABOUT 750 MILES WEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA. THE LOW DISSIPATED ON 24 JULY ABOUT 1200 MILES WEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA. GENEVIEVE DEVELOPED FROM A TROPICAL WAVE THAT ALMOST PRODUCED AN ATLANTIC TROPICAL DEPRESSION NEAR THE COAST OF NICARAGUA ON 17 JULY. THE WAVE MOVED WESTWARD INTO THE PACIFIC ON 18 JULY AND THE ASSOCIATED CLOUDINESS AND THUNDERSTORMS SHOWED SIGNS OF ORGANIZATION AS THE SYSTEM MOVED WESTWARD TO THE SOUTH OF CENTRAL AMERICA AND MEXICO ON 19-20 JULY. THE DISTURBANCE EVOLVED INTO A TROPICAL DEPRESSION ON 21 JULY ABOUT 250 MILES SOUTH-SOUTHWEST OF ACAPULCO AND INTENSIFIED INTO A TROPICAL STORM LATER THAT DAY. OVER THE NEXT FEW DAYS...GENEVIEVE MOVED ON A WESTWARD TO WEST-NORTHWESTWARD TRACK WITH SOME FLUCTUATIONS IN STRENGTH. IT EVENTUALLY BECAME A HURRICANE ON 25 JULY WHILE LOCATED ABOUT 575 MILES SOUTHWEST OF CABO SAN LUCAS MEXICO. GENEVIEVE WEAKENED BACK TO A TROPICAL STORM BY EARLY THE FOLLOWING DAY. THE WESTWARD- MOVING CYCLONE CONTINUED TO SPIN DOWN...BECOMING A DEPRESSION EARLY ON 27 JULY AND DISSIPATING A LITTLE LATER THAT DAY. GENEVIEVE'S REMNANT LOW CONTINUED TO MOVE WESTWARD FOR SEVERAL DAYS AND BY MONTH'S END BECAME INDISTINCT AS IT CROSSED INTO THE CENTRAL PACIFIC HURRICANE BASIN. SUMMARY TABLE NAME DATES MAX WIND (MPH) DEATHS ----------------------------------------------------------------- H BORIS 27 JUN - 4 JUL 75 0 TS CRISTINA 27 JUN - 1 JUL 50 0 TS DOUGLAS 1 - 3 JUL 40 0 TD FIVE-E 5 - 7 JUL 35 0 H ELIDA 11 - 19 JUL 105 0 H FAUSTO 16 - 22 JUL 100 0 H GENEVIEVE 21 - 27 JUL 75 0 ----------------------------------------------------------------- NOTES...DATES BASED ON COORDINATED UNIVERSAL TIME (UTC) $$ FORECASTER AVILA/BEVEN/BLAKE/FRANKLIN/KNABB/PASCH