ZCZC MIATCPEP2 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE RAYMOND INTERMEDIATE ADVISORY NUMBER 11A NWS NATIONAL HURRICANE CENTER MIAMI FL EP172013 1100 AM PDT TUE OCT 22 2013 ...AIR FORCE HURRICANE HUNTERS FIND RAYMOND WEAKER... ...HEAVY RAINFALL THREAT CONTINUES FOR PORTIONS OF SOUTH-CENTRAL MEXICO... SUMMARY OF 1100 AM PDT...1800 UTC...INFORMATION ----------------------------------------------- LOCATION...16.3N 101.8W ABOUT 100 MI...155 KM S OF ZIHUATANEJO MEXICO ABOUT 130 MI...215 KM WSW OF ACAPULCO MEXICO MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H PRESENT MOVEMENT...SE OR 145 DEGREES...AT 3 MPH...6 KM/H MINIMUM CENTRAL PRESSURE...988 MB...29.18 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * TECPAN DE GALEANA TO LAZARO CARDENAS A HURRICANE WATCH IS IN EFFECT FOR... * ACAPULCO TO TECPAN DE GALEANA A TROPICAL STORM WARNING IS IN EFFECT FOR... * ACAPULCO TO TECPAN DE GALEANA 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 HURRICANE RAYMOND WAS LOCATED BY AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT NEAR LATITUDE 16.3 NORTH...LONGITUDE 101.8 WEST. DURING THE PAST FEW HOURS RAYMOND HAS DRIFTED TOWARD THE SOUTHEAST AT AROUND 3 MPH...6 KM/H. SLOW AND ERRATIC MOTION IS EXPECTED TODAY...AND RAYMOND COULD STILL MOVE CLOSER TO THE COAST OF MEXICO WITHIN THE HURRICANE WARNING AREA. A SLOW MOTION TOWARD THE WEST-SOUTHWEST IS EXPECTED TO BEGIN ON WEDNESDAY. PRELIMINARY DATA FROM THE AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 90 MPH...150 KM/H...WITH HIGHER GUSTS. SOME WEAKENING IS FORECAST DURING THE NEXT 48 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 80 MILES...130 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON DATA FROM THE AIRCRAFT IS 988 MB...29.18 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...RAYMOND IS EXPECTED TO PRODUCE RAINFALL AMOUNTS OF 5 TO 10 INCHES WITH ISOLATED AMOUNTS OF UP TO 15 INCHES OVER THE MEXICAN STATES OF GUERRERO AND MICHOACAN. THESE RAINS COULD PRODUCE LIFE- THREATENING FLASH FLOODS AND MUD SLIDES. WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO BEGIN IN PORTIONS OF THE WARNING AREA TODAY. HURRICANE CONDITIONS MAY OCCUR IN PORTIONS OF THE HURRICANE WARNING AREA LATER TODAY IF THE CENTER OF RAYMOND MOVES CLOSER TO THE COAST THAN CURRENTLY FORECAST. STORM SURGE...A STORM SURGE IS EXPECTED TO PRODUCE SIGNIFICANT COASTAL FLOODING IN AREAS OF ONSHORE WINDS WITHIN THE WARNING AREAS. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES. SURF...SWELLS GENERATED BY RAYMOND ARE AFFECTING PORTIONS OF THE SOUTH-CENTRAL COAST OF MEXICO. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. FOR MORE INFORMATION...PLEASE CONSULT PRODUCTS FROM YOUR NATIONAL METEOROLOGICAL SERVICE. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...200 PM PDT. $$ FORECASTER BRENNAN NNNN