ZCZC MIATCPEP4 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE ISELLE ADVISORY NUMBER 18 NWS NATIONAL HURRICANE CENTER MIAMI FL EP092014 200 PM PDT MON AUG 04 2014 ...ISELLE MOVING WESTWARD AS A CATEGORY 4 HURRICANE... SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...16.1N 137.4W ABOUT 1190 MI...1915 KM E OF HILO HAWAII MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...947 MB...27.97 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. INTERESTS IN THE HAWAIIAN ISLANDS SHOULD MONITOR THE PROGRESS OF ISELLE. WATCHES MAY BE REQUIRED FOR PORTIONS OF THE ISLANDS ON TUESDAY. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 200 PM PDT...2100 UTC...THE EYE OF HURRICANE ISELLE WAS LOCATED NEAR LATITUDE 16.1 NORTH...LONGITUDE 137.4 WEST. ISELLE IS MOVING TOWARD THE WEST NEAR 10 MPH...17 KM/H...BUT ITS FORWARD SPEED IS FORECAST TO DECREASE LATER TODAY. ISELLE IS THEN EXPECTED TO TURN WEST-NORTHWESTWARD AND ACCELERATE LATE TUESDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 140 MPH...220 KM/H...WITH HIGHER GUSTS. ISELLE IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. WEAKENING IS FORECAST DURING THE NEXT 48 HOURS...BUT ISELLE IS EXPECTED TO REMAIN AS A HURRICANE DURING THAT TIME. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 947 MB...27.97 INCHES. HAZARDS AFFECTING LAND ---------------------- NONE NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...800 PM PDT. $$ FORECASTER BERG NNNN
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Page last modified: Wednesday, 31-Dec-2014 12:09:35 UTC