000 ABPZ30 KNHC 011432 TWSEP MONTHLY TROPICAL WEATHER SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 800 AM PDT WED AUG 1 2001 SUMMARY OF TROPICAL CYCLONE ACTIVITY FOR JULY 2001... FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE... THREE TROPICAL CYCLONES FORMED IN THE EASTERN NORTH PACIFIC DURING THE MONTH OF JULY. THESE WERE TROPICAL STORM COSME...HURRICANE DALILA...AND TROPICAL STORM ERICK. COSME DEVELOPED FROM A TROPICAL WAVE INTO A DEPRESSION ON THE 13TH ABOUT 330 NMI SOUTHWEST OF MANZANILLO MEXICO. THE DEPRESSION MOVED WEST-NORTHWESTWARD AND REACHED TROPICAL STORM STRENGTH LATER THAT DAY ABOUT 425 NMI SOUTH OF CABO SAN LUCAS MEXICO. ITS PEAK INTENSITY OF 40 KT WAS REACHED LATE ON THE 13TH...AFTER WHICH POINT COSME WAS WEAKENED BY WIND SHEAR. IT WEAKENED BACK TO A DEPRESSION LATE ON THE 14TH ABOUT 400 NMI SOUTHWEST OF CABO SAN LUCAS...AND DISSIPATED EARLY ON THE 15TH. NO REPORTS OF DAMAGE OR CASUALTIES ASSOCIATED WITH COSME WERE RECEIVED BY THE NATIONAL HURRICANE CENTER. DALILA MOVED ON A FAIRLY STRAIGHT WEST-NORTHWESTWARD TRACK AT FORWARD SPEEDS VARYING FROM 5 TO 15 KNOTS FROM THE 21ST TO THE 28TH. THE TRACK PARALLELED THE PACIFIC COAST OF MEXICO. THE CENTER CAME WITHIN 150 N MI OF THE COAST FROM THE 22ND TO THE 24TH...AND A TROPICAL STORM WARNING AND HURRICANE WATCH WERE ISSUED FOR PORTIONS OF MEXICO. DALILA MAY HAVE HAVE BECOME A 65-KNOT HURRICANE ON THE 24TH WHILE MOVING AWAY FROM THE MAINLAND AND CENTERED ABOUT 300 N MI SOUTH OF THE SOUTHERN TIP OF BAJA CALIFORNIA. DALILA PASSED DIRECTLY OVER SOCORRO ISLAND ON THE 25TH. NO REPORTS OF DAMAGE OR CASUALTIES HAVE BEEN RECEIVED. ERICK WAS SHORT-LIVED TROPICAL STORM THAT NEVER THREATENED ANY LAND AREAS. ERICK DEVELOPED OVER INTO A TROPICAL DEPRESSION OVER THE OPEN PACIFIC ON THE 20TH. WHILE MOVING ON A WEST-NORTHWEST TRACK... IT BECAME A TROPICAL STORM ON THE 21ST ABOUT 825 NMI WEST-SOUTHWEST OF CABO SAN LUCAS MEXICO. ERICK MAINTAINED THAT INTENSITY BEFORE WEAKENING BACK TO A TROPICAL DEPRESSION ON THE 23RD. ERICK CONTINUED TO TRACK WEST-NORTHWEST AND DISSIPATED OVER COOL WATER ON THE 24TH ABOUT 1200 MILES WEST OF THE SOUTHERN BAJA PENINSULA. SUMMARY TABLE... NAME DATES WIND-KT DEATHS ------------------------------------------------------------ COSME 13-15 JULY 40 0 DALILA 21-28 JULY 65 0 ERICK 20-24 JULY 35 0 ------------------------------------------------------------ NOTE...DATES ARE BASED ON UNIVERSAL COORDINATED TIME...UTC. FRANKLIN/LAWRENCE/AVILA