443
WTPQ81 PGUM 270400
HLSPQ1
URGENT - IMMEDIATE BROADCAST REQUESTED
TROPICAL STORM KROSA (12W) LOCAL STATEMENT
NATIONAL WEATHER SERVICE TIYAN GU
200 PM CHST SUN JUL 27 2025
...TROPICAL STORM KROSA MOVING NORTH-NORTHEAST AS IT SLOWLY
STRENGTHENS...
NEW INFORMATION
NONE.
AREAS AFFECTED
THIS LOCAL STATEMENT PROVIDES INFORMATION AND RECOMMENDED ACTIONS
FOR PEOPLE IN THE FAR NORTHERN MARIANAS.
WATCHES/WARNINGS
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR AGRIHAN, PAGAN, AND
ALAMAGAN.
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS,
INCLUDING WINDS OF 39 TO 73 MPH, ARE IMMINENT OR OCCURRING.
STORM INFORMATION
AT 100 PM CHST..THE CENTER OF TROPICAL STORM KROSA (12W) WAS LOCATED
NEAR LATITUDE 20.7N AND LONGITUDE 145.2E. STORM MOTION WAS NORTH-
NORTHEAST AT 12 MPH. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO
70 MPH.
SITUATION OVERVIEW
TROPICAL STORM KROSA IS EXPECTED TO MAKE A SLIGHT TURN TO THE NORTH
WITH LITTLE CHANGE IN FORWARD SPEED THROUGH MONDAY, REMAINING NEAR
ENOUGH TO THE FAR NORTHERN CNMI TO MAINTAIN TROPICAL STORM FORCE
WINDS AT ALAMAGAN AND PAGAN THIS AFTERNOON, AND AT AGRIHAN INTO
EARLY EVENING. TROPICAL STORM FORCE WINDS ARE ALREADY OCCURRING.
PRECAUTIONARY/PREPAREDNESS ACTIONS
REMAIN IN SUITABLE SHELTER, SUCH AS A HARDENED STRUCTURE OR CAVE,
WELL-PROTECTED FROM TROPICAL STORM WIND EXPOSURE. DO NOT LEAVE
SHELTER UNTIL INSTRUCTED TO DO SO BY EMERGENCY MANAGEMENT OFFICIALS.
STRONG MONSOON WINDS WILL LIKELY PERSIST AFTER THE PASSAGE OF
TROPICAL STORM KROSA.
NEXT UPDATE
THE NEXT LOCAL STATEMENT WILL BE ISSUED AT 9 PM CHST, OR SOONER IF
CONDITIONS WARRANT.
..AGRIHAN
..A TROPICAL STORM WARNING REMAINS IN EFFECT
PRECAUTIONARY/PREPAREDNESS ACTIONS
REMAIN IN A SUITABLE HARDENED SHELTER, IDEALLY A CONCRETE STRUCTURE
OR CAVE. SUFFICIENT FOOD AND WATER FOR EACH PERSON FOR A DAY OR TWO
SHOULD BE AVAILABLE, BECAUSE A MONSOON SURGE IS LIKELY TO CONTINUE
FOR A WHILE AFTER TROPICAL STORM KROSA HAS PASSED.
..WIND INFORMATION
THE LATEST FORECAST TRACK SHOWS KROSA MOVING NORTH-NORTHEAST, HAVING
JUST PASSED EAST OF FARALLON DE PAJAROS EARLIER THIS AFTERNOON.
KROSA WILL TURN TOWARDS THE NORTH MONDAY AND THEN NORTHWEST MONDAY
NIGHT. LATEST FORECAST PROJECTIONS SHOW SOUTHWEST TROPICAL STORM
WINDS 35 TO 45 MPH ARE OCCURRING AT AGRIHAN. WIND SPEEDS WILL
CONTINUE TO DIMINISH AS THE AFTERNOON CONTINUES, LIKELY FALLING BELOW
TROPICAL STORM STRENGTH THIS EVENING. WIDESPREAD LOCALLY HEAVY
SHOWERS AND THUNDERSTORMS WILL BRING FREQUENT STRONGER GUSTS. AFTER
TS KROSA DEPARTS THE AREA, A STRONG SOUTHWEST MONSOON PATTERN WILL
PROLONG WINDY CONDITIONS THROUGH MONDAY.
COASTAL INUNDATION AND SURF INFORMATION
DANGEROUS SURF ALONG SOUTH AND WEST FACING REEFS IS PEAKING BETWEEN 15
TO 20 FEET AT AGRIHAN, BUT WILL START SUBSIDING LATER THIS AFTERNOON,
POSSIBLY FALLING BELOW DANGEROUS LEVELS BY TONIGHT. SURF ALONG SOUTH
AND WEST FACING REEFS WILL LIKELY REMAIN AT HAZARDOUS LEVELS OF 10
TO 14 FEET INTO MONDAY. RIP CURRENTS DURING THIS TIME WILL BE STRONG
AND LIFE THREATENING. STAY OUT OF THE WATER. WIND AND WAVE-DRIVEN
COASTAL INUNDATION OF 3 TO 5 FT WILL BE LIKELY ALONG WINDWARD SHORES,
ESPECIALLY AROUND TIMES OF HIGH TIDE.
OTHER STORM EFFECTS
WIDESPREAD LOCALLY HEAVY SHOWERS WILL CONTINUE TODAY AS TS KROSA
CONTINUES NORTH, WITH THE BULK OF RAINFALL EXPECTED INTO EARLY
AFTERNOON, WITH 2 TO 4 INCHES POSSIBLE BY MID-AFTERNOON. ADDITIONAL
RAINFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE THROUGH MONDAY.
EVEN AFTER KROSA MOVES FARTHER AWAY TODAY AND MONDAY, A WET MONSOON
PATTERN WILL PROLONG SHOWERS ACROSS THE ISLANDS....
..ALAMAGAN AND PAGAN
..A TROPICAL STORM WARNING REMAINS IN EFFECT
PRECAUTIONARY/PREPAREDNESS ACTIONS
REMAIN IN A SUITABLE HARDENED SHELTER, IDEALLY A CONCRETE STRUCTURE
OR CAVE. SUFFICIENT FOOD AND WATER FOR EACH PERSON FOR A DAY OR TWO
SHOULD BE AVAILABLE, BECAUSE A MONSOON SURGE IS LIKELY TO CONTINUE
FOR A WHILE AFTER TROPICAL STORM KROSA HAS PASSED.
WIND INFORMATION
THE LATEST FORECAST TRACK SHOWS KROSA MOVING NORTH-NORTHEAST, HAVING
JUST PASSED EAST OF FARALLON DE PAJAROS EARLIER THIS AFTERNOON.
KROSA WILL TURN TOWARDS THE NORTH MONDAY AND THEN NORTHWEST MONDAY
NIGHT. LATEST FORECAST PROJECTIONS SHOW SOUTHWEST TROPICAL STORM
WINDS UP TO 40 MPH ARE OCCURRING AT ALAMAGAN AND PAGAN. WIND SPEEDS
WILL CONTINUE TO DIMINISH AS THE DAY CONTINUES, LIKELY FALLING BELOW
TROPICAL STORM STRENGTH BY LATE THIS AFTERNOON. WIDESPREAD LOCALLY
HEAVY SHOWERS AND THUNDERSTORMS WILL BRING FREQUENT STRONGER GUSTS.
AFTER TS KROSA DEPARTS THE AREA, A STRONG SOUTHWEST MONSOON PATTERN
WILL PROLONG WINDY CONDITIONS THROUGH MONDAY.
COASTAL INUNDATION AND SURF INFORMATION
DANGEROUS SURF ALONG SOUTH AND WEST FACING REEFS PEAKED AT 15 TO 20
FEET EARLY THIS MORNING. SURF HEIGHTS ARE NOW SUBSIDING AND COULD
FALL BELOW DANGEROUS LEVELS THIS EVENING. SURF ALONG SOUTH AND WEST
FACING REEFS WILL LIKELY REMAIN AT HAZARDOUS LEVELS OF 10 TO 14 FEET
INTO MONDAY. RIP CURRENTS DURING THIS TIME WILL BE STRONG AND LIFE
THREATENING. STAY OUT OF THE WATER. WIND AND WAVE-DRIVEN COASTAL
INUNDATION OF 2 TO 4 FT WILL BE LIKELY ALONG WINDWARD SHORES,
ESPECIALLY AROUND TIMES OF HIGH TIDE.
OTHER STORM EFFECTS
WIDESPREAD LOCALLY HEAVY SHOWERS WILL CONTINUE TODAY AS TS KROSA
CONTINUES NORTHWARD, WITH THE BULK OF RAINFALL EXPECTED THROUGH
TONIGHT. TOTAL RAINFALL ACCUMULATIONS OF 3 TO 5 INCHES ARE POSSIBLE
THROUGH MONDAY. EVEN AFTER KROSA MOVES FARTHER AWAY TODAY AND
MONDAY, A WET MONSOON PATTERN WILL PROLONG SHOWERS ACROSS THE
ISLANDS.
SLAGLE
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