As of 11:00 am (September 26, 2015), Tropical Storm Niala is now 265 miles southeast of the Big Island. The storm has made turn to the west, continuing on a track to pass south of the Main Hawaiian Islands, and the storm could possibly bring heavy rainfall to the Big Island of Hawaii. Please pray for the safety of all on the Big Island who could be be dealing with possible flash floods and mudslides associated with the storm.
SUMMARY OF 1100 AM HST INFORMATION ———————————————–
LOCATION…17.1N 152.1W ABOUT 265 MI…430 KM SE OF HILO HAWAII ABOUT 475 MI…765 KM SE OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS…65 MPH…100 KM/H PRESENT MOVEMENT…W OR 270 DEGREES AT 7 MPH…11 KM/H MINIMUM CENTRAL PRESSURE…992 MB…29.30 INCHES
WATCHES AND WARNINGS ——————–
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY… NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT… A TROPICAL STORM WATCH IS IN EFFECT FOR… * HAWAII COUNTY A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA…GENERALLY WITHIN 48 HOURS OF THE INITIAL ISSUANCE. INTERESTS ELSEWHERE IN THE MAIN HAWAIIAN ISLANDS SHOULD MONITOR THE PROGRESS OF TROPICAL STORM NIALA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA…PLEASE MONITOR PRODUCTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN HONOLULU HAWAII.
DISCUSSION AND 48-HOUR OUTLOOK ——————————
AT 1100 AM HST…2100 UTC…THE CENTER OF TROPICAL STORM NIALA WAS LOCATED NEAR LATITUDE 17.1 NORTH…LONGITUDE 152.1 WEST. NIALA IS MOVING TOWARD THE WEST NEAR 7 MPH…11 KM/H…AND THIS MOTION IS EXPECTED TO CONTINUE THROUGH MONDAY MORNING. ON THE CURRENT FORECAST TRACK…NIALA WILL PASS 120 TO 150 MILES SOUTH OF THE BIG ISLAND LATE SUNDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH…100 KM/H…WITH HIGHER GUSTS. NIALA WILL SLOWLY WEAKEN THROUGH MONDAY MORNING. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 90 MILES…150 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 992 MB…29.30 INCHES.
HAZARDS AFFECTING LAND ———————-
RAINFALL…STORM TOTAL RAINFALL OF 6 TO 12 INCHES…WITH ISOLATED MAXIMUM AMOUNTS TO 16 INCHES…ARE EXPECTED WITHIN THE WATCH AREA. THESE RAINFALL AMOUNTS COULD CAUSE LIFE-THREATENING FLASH FLOODS…AS WELL AS ROCKSLIDES AND MUDSLIDES. SURF…SWELLS ASSOCIATED WITH TROPICAL STORM NIALA WILL PRODUCE LARGE SURF ALONG SOUTHEAST FACING SHORES OF MAINLY THE BIG ISLAND THIS WEEKEND AND CONTINUE INTO EARLY NEXT WEEK. WIND…TROPICAL STORM CONDITIONS ARE POSSIBLE ON THE BIG ISLAND ON SUNDAY.
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