000 WTPZ34 KNHC 221732 TCPEP4 BULLETIN TROPICAL STORM FRANK INTERMEDIATE ADVISORY NUMBER 4A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP092010 1100 AM PDT SUN AUG 22 2010 ...FRANK MOVING WESTWARD...CONTINUING TO STRENGTHEN... SUMMARY OF 1100 AM PDT...1800 UTC...INFORMATION ----------------------------------------------- LOCATION...13.9N 95.6W ABOUT 140 MI...220 KM SSE OF PUERTO ANGEL MEXICO ABOUT 165 MI...265 KM SE OF PUERTO ESCONDIDO MEXICO MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/HR PRESENT MOVEMENT...W OR 270 DEGREES AT 7 MPH...11 KM/HR MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * THE COAST OF MEXICO FROM PUERTO ANGEL WESTWARD TO PUNTA MALDONADO A TROPICAL STORM WATCH IS IN EFFECT FOR... * THE COAST OF MEXICO FROM SALINA CRUZ WESTWARD TO PUERTO ANGEL * THE COAST OF MEXICO FROM PUNTA MALDONADO WESTWARD TO TECPAN DE GALEANA A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 AM PDT...1800 UTC...THE CENTER OF TROPICAL STORM FRANK WAS LOCATED NEAR LATITUDE 13.9 NORTH...LONGITUDE 95.6 WEST. FRANK IS MOVING TOWARD THE WEST NEAR 7 MPH...11 KM/HR. A TURN TOWARD THE WEST-NORTHWEST AND A GRADUAL INCREASE IN FORWARD SPEED ARE EXPECTED OVER THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...FRANK WILL BE MOVING PARALLEL TO THE COAST OF SOUTHERN MEXICO THROUGH TUESDAY. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 50 MPH...85 KM/HR...WITH HIGHER GUSTS. SOME ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND FRANK COULD BECOME A HURRICANE BY MONDAY NIGHT OR TUESDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1002 MB...29.59 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS MAY APPROACH THE COAST WITHIN THE WARNING AREA LATER TODAY AND MONDAY. TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA FROM SALINA CRUZ TO PUERTO ANGEL TODAY...AND IN THE WATCH AREA FROM PUNTA MALDONADO TO TECPAN DE GALEANA BY LATE MONDAY. RAINFALL...FRANK IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 3 TO 6 INCHES ALONG THE SOUTHERN COASTAL REGION OF MEXICO...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 10 INCHES. THESE RAINFALL AMOUNTS MAY PRODUCE LIFE THREATENING FLASH FLOODS AND MUDSLIDES. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...200 PM PDT. $$ FORECASTER BRENNAN