Hainan/ China/ Vietnam: Typhoon Rammasun/ Glenda (09W): 181800Z near 21.0N 109.4E, moving NW at 20kmh (11kt)(JMA) – Updated 180714 2012z (UTC)

THIS IS NOW OUT OF DATE

Typhoon

Rammasun/Glenda was from 17 to 19 July 2014

Typhoon Rammasun/Glenda (09W)

(Equivalent to a CATEGORY 4 Hurricane on the Saffir-Simpson Hurricane Wind Scale)

TY 1409 (RAMMASUN) (JMA)

Rammasun has rapidly intensified into a Category 4 Super Typhoon (1-min sustained winds) and is now affecting Hainan and other parts of Southern China. This highly catastrophic storm is one of the strongest cyclones to ever hit Southern China and will affect as much as 20 million people over the next 24 hours – WestPacWx

 Vietnam
        probability for CAT 1 or above is 85% within 12 hours
        probability for TS is 100% within 12 hours – TSR

(Image: wunderground.com) 5 day forecast (Click image for source)

 

(Image: wunderground.com) Satellite (Click image for source)

 

Japan Meteorological agency

TY 1409 (RAMMASUN)
Issued at 18:45 UTC, 18 July 2014

<Analyses at 18/18 UTC>
Scale
Intensity Very Strong
Center position N21°00′(21.0°)
E109°25′(109.4°)
Direction and speed of movement NW 20km/h(11kt)
Central pressure 945hPa
Maximum wind speed near the center 45m/s(85kt)
Maximum wind gust speed 60m/s(120kt)
Area of 50kt winds or more ALL130km(70NM)
Area of 30kt winds or more E330km(180NM)
W220km(120NM)
<Forecast for 19/06 UTC>
Intensity Strong
Center position of probability circle N21°55′(21.9°)
E107°35′(107.6°)
Direction and speed of movement WNW 20km/h(10kt)
Central pressure 950hPa
Maximum wind speed near the center 40m/s(80kt)
Maximum wind gust speed 60m/s(115kt)
Radius of probability circle 90km(50NM)
Storm warning area ALL200km(110NM)
<Forecast for 19/18 UTC>
Intensity
Center position of probability circle N22°35′(22.6°)
E105°50′(105.8°)
Direction and speed of movement WNW 15km/h(9kt)
Central pressure 990hPa
Maximum sustained wind speed 23m/s(45kt)
Maximum wind gust speed 35m/s(65kt)
Radius of probability circle 130km(70NM)
<Forecast for 20/18 UTC>
Intensity
TD
Center position of probability circle N23°05′(23.1°)
E104°20′(104.3°)
Direction and speed of movement WNW Slowly
Central pressure 1002hPa
Radius of probability circle 200km(110NM)

Unit:
1KT(knot) = 1.852 km/h = 0.5144 m/s
1NM(nautical mile) = 1.852 km

Hong Kong

Tropical Cyclone Warnings
Bulletin issued at 03:45 HKT 19/Jul/2014

Tropical Cyclone Bulletin

Here is the latest Tropical Cyclone Bulletin issued by the Hong Kong Observatory.

All signals were cancelled at 3:40 a.m.

At 4 a.m., Severe Typhoon Rammasun was centred about 540 kilometres west-southwest of Hong Kong (near 21.3 degrees north 109.1 degrees east) and is forecast to move northwest or west-northwest at about 22 kilometres per hour across Beibu Wan towards the coast of Guangxi.

Rammasun is moving across Beibu Wan and will soon make landfall over the coast of Guangxi. As Rammasun gradually moves away from Hong Kong, local winds continue to moderate. Yet there will still be squally showers today.

Since there will be swells, members of the public should remain on the alert.

Super Typhoon RAMMASUN
at 02:00 HKT 19 July 2014

Position: 20.9 N, 109.5 E (about 510 km west-southwest of Hong Kong)
Maximum sustained wind near centre: 185 km/h
Forecast moving direction and speed: northwest or west-northwest, 22 km/h

Tropical Cyclone Track at 02:00 HKT 19 July 2014

Tropical Cyclone Track at 02:00 HKT 19 July 2014

Forecast Positions and Intensities

Date time Position Classification Maximum sustained wind near centre
23:00 HKT 19 July 2014 22.5 N 106.1 E Typhoon 120 km/h
23:00 HKT 20 July 2014 22.7 N 103.0 E Low Pressure Area 40 km/h

( Past Positions and Intensities )

Notes

  • The symbol low pressure area symbol will be displayed when the tropical cyclone is expected to weaken into a low pressure area or transform into an extratropical low.
  • Past track is in black, forecast track is in red.
  • The accuracies, based on average errors, of the latest analysed and forecast positions are of the order of:
    Analysed Position 30 km
    24-hour forecast position 150 km
    48-hour forecast position 250 km
    72-hour forecast position 350 km

     

  • The centres of the red, blue and grey circles are the forecast positions of the tropical cyclone at different times (as shown at the upper left corner of the figure). The radii of the circles are the respective accuracies.
  • The analysed tropical cyclone position (the symbol tropical cyclone symbol ) is based on Hong Kong Observatory’s hourly bulletin for public derived from the real-time satellite or radar-based positions.
  • The tropical cyclone track, analysed positions and maximum sustained wind near centre are updated every hour. Meanwhile, the webpage will also display other information, including distance and bearing of the tropical cyclone relative to Hong Kong, and forecast moving direction and speed.
  • The past tropical cyclone track, analysed positions and maximum sustained wind near centre may be updated when additional data is received.
  • Short-term erratic departures of the tropical cyclone from the general direction of movement may occur from time to time. These departures are partly due to uncertainties in locating the centre of the tropical cyclone, and partly due to actual short-term variations in the direction and speed of movement of the tropical cyclone itself.

Joint Typhoon Warning Center (JTWC)

 

https://i0.wp.com/www.usno.navy.mil/NOOC/nmfc-ph/RSS/jtwc/satshots/09W_181132sair.jpg

 

 

WTPN32 PGTW 181500

MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TYPHOON 09W (RAMMASUN) WARNING NR 033
DOWNGRADED FROM SUPER TYPHOON 09W
02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY

WARNING POSITION:
181200Z — NEAR 20.3N 110.3E
MOVEMENT PAST SIX HOURS – 295 DEGREES AT 10 KTS
POSITION ACCURATE TO WITHIN 020 NM
POSITION BASED ON EYE FIXED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS – 125 KT, GUSTS 150 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS – 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS – 070 NM NORTHEAST QUADRANT
070 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS – 115 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
100 NM SOUTHWEST QUADRANT
115 NM NORTHWEST QUADRANT
REPEAT POSIT: 20.3N 110.3E

FORECASTS:
12 HRS, VALID AT:
190000Z — 21.5N 108.3E
MAX SUSTAINED WINDS – 110 KT, GUSTS 135 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS – 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS – 070 NM NORTHEAST QUADRANT
070 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS – 125 NM NORTHEAST QUADRANT
110 NM SOUTHEAST QUADRANT
110 NM SOUTHWEST QUADRANT
125 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 300 DEG/ 11 KTS

24 HRS, VALID AT:
191200Z — 22.6N 106.3E
MAX SUSTAINED WINDS – 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 36 HR POSIT: 290 DEG/ 11 KTS

36 HRS, VALID AT:
200000Z — 23.4N 104.1E
MAX SUSTAINED WINDS – 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND

REMARKS:
181500Z POSITION NEAR 20.6N 109.8E.
TYPHOON 09W (RAMMASUN), LOCATED APPROXIMATELY 251 NM EAST OF
HANOI, VIETNAM, HAS TRACKED WEST-NORTHWESTWARD AT 10 KNOTS OVER
THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 181200Z IS 35
FEET. NEXT WARNINGS AT 182100Z, 190300Z, 190900Z AND 191500Z.
REFER TO TROPICAL STORM 10W (MATMO) WARNINGS (WTPN31 PGTW) FOR SIX-
HOURLY UPDATES.//
NNNN

Prognostic Reasoning

TSR logoNW Pacific: Storm Alert issued at 18 Jul, 2014 12:00 GMT

Typhoon RAMMASUN (09W) currently located near 20.3 N 110.3 E is forecast to strike land to the following likelihood(s) at the given lead time(s):

Red Alert Country(s) or Province(s)
   China
        probability for CAT 1 or above is 100% currently
        probability for TS is 100% currently
    Vietnam
        probability for CAT 1 or above is 85% within 12 hours
        probability for TS is 100% within 12 hours
Red Alert City(s) and Town(s)
Haikou (20.0 N, 110.4 E)
        probability for CAT 1 or above is 100% currently
        probability for TS is 100% currently
    Beihai (21.6 N, 109.2 E)
        probability for CAT 1 or above is 85% within 12 hours
        probability for TS is 100% within 12 hours
    Zhanjiang (21.2 N, 110.3 E)
        probability for CAT 1 or above is 80% within 12 hours
        probability for TS is 100% currently

Yellow Alert City(s) and Town(s)
Nanning (22.8 N, 108.3 E)
        probability for TS is 95% within 12 hours
    Maoming (21.9 N, 110.9 E)
        probability for TS is 95% within 12 hours
    Qionghai (19.2 N, 110.5 E)
        probability for TS is 95% currently

Note that
Red Alert (Severe) is CAT 1 or above to between 31% and 100% probability.
Yellow Alert (Elevated) is CAT 1 or above to between 10% and 30% probability, or TS to above 50% probability.
CAT 1 means Typhoon strength winds of at least 74 mph, 119 km/h or 64 knots 1-min sustained.
TS means Tropical Storm strength winds of at least 39 mph, 63 km/h or 34 knots 1-min sustained.

For graphical forecast information and further details please visit http://www.tropicalstormrisk.com/

 

Rammasun has rapidly intensified into a Category 4 Super Typhoon (1-min sustained winds) and is now affecting Hainan and other parts of Southern China. This highly catastrophic storm is one of the strongest cyclones to ever hit Southern China and will affect as much as 20 million people over the next 24 hours.

Watch WxCaster PAT’s latest Video Update below for more in-depth analysis and forecasts for Super Typhoon Rammasun.

China Meteorological Administration (CMA) confirmed landfall at the city of Wenchang on the Northeastern part of Hainan Island. A weather station in this city recorded winds of 180kph to as much as 220kph! The city of Haikou is also reporting sustained typhoon-force winds of up to 130kph and gusts of up to 165kph! Another highly-populated city that this system is affecting is Zhanjiang which is home to nearly 1.2 million people (nearly 7 million people metro-wide).

CCTV has now reported at least one confirmed death due to the storm. 

Radar Image from CMA

rammasun radar hainan

Latest radar image out of Hainan shows the perfectly symmetrical eye now moving into Leizhou Peninsula. Widespread heavy rains

Via CCTV

are affecting much of Hainan and parts of Guangdong Province. Outer rain bands are moving as far away as Hong Kong bringing light to moderate rains in the area. We are expecting anywhere from 200 to as much as 300mm of rainfall over the next 24 hours for Hainan and Leizhou. This will only compound to the already damaging winds in the area. Furthermore, coastal areas will also be dealing with significant storm surge especially along the eastern portions of Leizhou Peninsula.

For the latest radar images and warnings from China, please click HERE (CMA Website)

As many as 40,000 people have been told to evacuate ahead of the storm in the area.

 

Super Typhoon Rammasun will continue moving slowly northwestward and will continue to bring damaging weather conditions across Southern China for the next 12 hours. It will move into the Gulf of Tonkin and will weaken slightly but will still be a significant threat for Guangxi Province and Northern Vietnam.

——

Storm

Before the storms impact on China Typhoon Glenda (Sawyerean name Gøring, International name Rammasun) struck Metro Manila and is probably the strongest to hit Metro Manila since Typhoon Milenyo of 2006.

The storm has now caused at least 64 deaths, as tallied by the National Risk Reduction and Management Council (NDRRMC).

In Metro Manila, damage has been extensive. Until now power is yet to be restored in many areas, and Meralco announced of rotating blackout as the power supply in Luzon areas are insufficient to meet demands, due to damaged transmission lines and substations.

The rotating blackouts will ensue until the power supply stabilized, and Meralco has not yet established a definite timetable for this.

The strongest winds pummeled the Metro between 6 to 9 in the morning, where ferocious winds battered the metro. Lots of old trees, some as old as hundred years, fell, and many power lines were knocked out.

Roxas BLVD Via Rappler

 

We’ll continue to have updates on Rammasun as well as on the newest Tropical Storm (Matmo or Bagyong Henry) out in the Philippine Sea. Please stay safe and always heed the warnings of your local officials!

” –

NEWS

Australia Network News

At least one person killed after southern China’s strongest typhoon in four decades: state media

Updated 1937 UTC 18 July 2014

China’s state media says at least one person has been killed after southern China’s strongest typhoon in four decades made landfall in Hainan.

The National Meteorological Centre says Super Typhoon Rammasun ploughed into Wengtian, a town on the northeastern tip of the island, yesterday afternoon.

It was packing winds of up to 216 kilometres an hour.

Ahead of the typhoon’s arrival, hundreds of thousands of people were evacuated and hundreds of flights cancelled.

Super Typhoon Rammasun has already killed at least 54 people in the Philippines and is bringing heavy rains.

 

The Hainan government says it has ordered fishermen back to port while many flights, and all train services, are cancelled.

State television says access to all scenic spots on the island, which styles itself as China’s answer to Hawaii, had been closed, and 30,000 people evacuated from low-lying coastal areas.

Premier Li Keqiang, describing the situation as severe, says people’s lives must be put first.

“Prevent any accidents that may be caused (by the typhoon) and reduce disaster losses as much as possible,” the Hainan government cites Premier Li as saying.

Typhoons are common at this time of year in the South China Sea, picking up strength from the warm waters and dissipating over land.

Flooding across a large swathe of southern China in the past week has already killed at least 34 people.

Reuters/AFP

Preparing for a storm

  • Prepare an emergency kit based on the list here.
  • Make a note of the location of any item not in your kit.

During a Storm

  • Monitor your local emergency broadcaster for updates, warnings and advice
  • While conditions are severe, remain indoors and stay clear of windows
  • Make contact with neighbours and family members to ensure they’re safe and prepared
  • If you’re in your car, don’t drive into water without knowing the strength of the current and depth
  • Slow down, turn on your headlights and be aware of hazards on the roads such as powerlines and trees

After a Storm

  • Stay clear of creeks, drains and other water ways, as there’s a risk of flooding including flash floods
  • Be careful of fallen trees, powerlines and damaged buildings
  • Don’t go sightseeing, you could hamper the efforts of emergency services
  • Check on your neighbours as soon as it’s safe to do so

For more information, see ABC Emergency’s storm plan page

MARITIME

METAREA11 / TYPHOON_WARNING_JAPAN / 1800

WTJP21 RJTD 181800
WARNING 181800.
WARNING VALID 191800.
WARNING IS UPDATED EVERY 6 HOURS.
TYPHOON WARNING.
TROPICAL STORM 1410 MATMO (1410) 994 HPA
AT 11.1N 132.3E SEA EAST OF PHILIPPINES MOVING WESTNORTHWEST 12
KNOTS.
POSITION FAIR.
MAX WINDS 40 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 120 MILES.
FORECAST POSITION FOR 191800UTC AT 13.5N 130.0E WITH 70 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
975 HPA, MAX WINDS 65 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 201800UTC AT 16.6N 127.4E WITH 110 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
965 HPA, MAX WINDS 75 KNOTS NEAR CENTER.
FORECAST POSITION FOR 211800UTC AT 19.2N 123.6E WITH 210 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
940 HPA, MAX WINDS 90 KNOTS NEAR CENTER.

JAPAN METEOROLOGICAL AGENCY.=

 

METAREA11 / HIGH_SEAS_FORECAST_JAPAN / 0600

WWJP25 RJTD 181200
WARNING AND SUMMARY 181200.
WARNING VALID 191200.
WARNING IS UPDATED EVERY 6 HOURS.
WARNING.
DENSE FOG OBSERVED LOCALLY OVER SEA OF OKHOTSK NORTHERN PART OF SEA
OF JAPAN MIDDLE OF SEA OF JAPAN YELLOW SEA EAST CHINA SEA.
WARNING.
DENSE FOG OBSERVED LOCALLY OVER WATERS BOUNDED BY 35N 141E 43N 142E
51N 157E 60N 164E 60N 180E 35N 180E 31N 172E 43N 165E 36N 157E 35N
141E.
SUMMARY.
LOW 1012 HPA AT 35N 150E SE 10 KT.
LOW 1010 HPA AT 31N 172E ENE 20 KT.
HIGH 1016 HPA AT 30N 142E EAST SLOWLY.
HIGH 1026 HPA AT 49N 163E WEST 10 KT.
REMARKS.
TYPHOON 1409 RAMMASUN (1409) 940 HPA AT 20.3N 110.2E : SEE TROPICAL
CYCLONE WARNING.
TROPICAL STORM 1410 MATMO (1410) 1000 HPA AT 10.6N 133.5E : SEE
TROPICAL CYCLONE WARNING.

JAPAN METEOROLOGICAL AGENCY.=

 

METAREA11 / HIGH_SEAS_FORECAST_CHINA / 1200

WWCI50 BABJ 181200
2:31:11:11:00
BT
PAN PAN=
MESSAGE FOR NAVAREA XI(IOR) ISSUED BY NMC BEIJING
AT 1530UTC JUL.18 2014=
MESSAGE IS UPDATED EVERY 06 HOURS=
SYNOPSIS VALID 1200UTC JUL. 18=
FORECAST VALID 1200UTC JUL. 19=
WARNNING=
SUPERTY RAMMASUN 1409(1409) 915HPA AT 20.3N 110.3E
MOVING WNW 22KM/H AND MAX WINDS 55M/S NEAR CENTER
(SEAS UP TO 12.0M) AND RADIUS OF 30KTS WINDS
260KM NORTHEAST
300KM SOUTHEAST
300KM SOUTHWEST
260KM NORTHWEST
AND RADIUS OF 50KTS WINDS
140KM NORTHEAST
160KM SOUTHEAST
140KM SOUTHWEST
140KM NORTHWEST
AND RADIUS OF 64KTS WINDS
60KM NORTHEAST
60KM SOUTHEAST
60KM SOUTHWEST
60KM NORTHWEST
FORECAST FOR 191200UTC AT 22.6N 106.4E 995HPA
AND MAX WINDS 18M/S NEAR CENTER=
TS MATMO 1410(1410) 994HPA AT 10.9N 133.5E
MOVING NW 10KM/H AND MAX WINDS 20M/S NEAR
CENTER (SEAS UP TO 3.5M) AND RADIUS OF 30KTS WINDS
130KM NORTHEAST
230KM SOUTHEAST
300KM SOUTHWEST
280KM NORTHWEST
FORECAST FOR 191200UTC AT 12.7N 131.9E 985HPA
AND MAX WINDS 28M/S NEAR CENTER=
SUMMARY=
WINDS FROM 26 TO 34M/S GUST 38 TO 44M/S SEAS UP TO
8.5M OVER NORTHWEST PART OF SOUTH CHINA SEA AND
QIONGZHOU STRAIT=
WINDS FROM 42 TO 55M/S SEAS UP TO 12.0M OVER
SEA NEAR CENTER OF RAMMASUN=
SE WINDS FROM 14 TO 18M/S GUST 22M/S SEAS UP TO
4.5M OVER NORTHEAST PART OF SOUTH CHINA SEA=
WINDS FROM 18 TO 24M/S GUST 26 TO 30M/S SEAS UP
TO 5.5M OVER MID-WEST PART OF SOUTH CHINA SEA=
WINDS FROM 20 TO 25M/S SEAS UP TO 5.0M OVER
NORTHEAST PART OF BEIBU GULF=
SW WINDS FROM 10 TO 16M/S SEAS UP TO 3.0M OVER
SOUTH PART OF SOUTH CHINA SEA=
CYCLONIC WINDS FROM 14 TO 20M/S SEAS UP TO 3.5M
OVER SEA WEST OF GUAM=
HORIZONTAL VISIBILITY LESS THAN 10KM OVER PART
OF BOHAI SEA AND BOHAI STRAIT AND YELLOW SEA AND
NORTHWEST PART OF SOUTH CHINA SEA AND QIONGZHOU
STRAIT AND SEA WEST OF GUAM AND ANDAMAN SEA AND
SEA WEST OF SUMATERA AND SEA EAST OF SINGAPORE
AND SUNDA STRAIT AND LAUT MALUKU AND LAUT BANDA=
FORECAST=
WINDS FROM 25 TO 34M/S SEAS UP TO 8.5M OVER
NORTH PART OF BEIBU GULF AND QIONGZHOU STRAIT=
WINDS FROM 20 TO 25M/S GUST 30 TO 35M/S SEAS UP
TO 7.0M OVER AND SOUTH PART OF BEIBU GULF AND
NORTHWEST PART OF SOUTH CHINA SEA=
WINDS FROM 40 TO 48M/S SEAS UP TO 11.0M OVER SEA
NEAR CENTER OF RAMMASUN=
SE WINDS FROM 12 TO 20M/S GUST 24M/S SEAS UP TO
4.5M OVER NORTHEAST PART OF SOUTH CHINA SEA=
SW WINDS FROM 12 TO 20M/S GUST 24M/S SEAS UP TO
4.5M OVER MID-WEST AND SOUTHWEST PARTS OF SOUTH
CHINA SEA=
SW WINDS FROM 10 TO 16M/S GUST 20M/S SEAS UP TO
3.5M OVER SOUTHEAST PART OF SOUTH CHINA SEA=
CYCLONIC WINDS FROM 18 TO 24M/S GUST 25 TO 32M/S
SEAS UP TO 5.0M OVER SEA WEST OF GUAM=
WINDS FROM 25 TO 30M/S SEAS UP TO 7.5M OVER SEA
NEAR CENTER OF MATMO=

METAREA11 / HIGH_SEAS_FORECAST_HONG_KONG_CHINA / 1200

WWHK82 VHHH 181200
40:1:31:11:01:00
HONG KONG METEOROLOGICAL SERVICE PROVIDES THE FOLLOWING
WARNING/INFORMATION FOR THE SOUTH CHINA SEA.
WARNINGS
SUPER TYPHOON (SUPERT) RAMMASUN(1409):
RADIUS OF GALES :150NM N SEMICIRCLE, 120NM ELSEWHERE.
RADII OF STORMS, HURRICANES:90NM, 45NM.
SYNOPSIS (181200UTC) AND 24-HOUR FORECAST
AT 181200UTC, SUPERT RAMMASUN (1409) WITH CENTRAL PRESSURE
925 HPA AND MAXIMUM WINDS 105 KT WAS CENTERED WITHIN 10 NM
OF 20.3N 110.3E AND IS FORECAST TO MOVE NW OR WNW AT ABOUT
12 KT FOR THE NEXT 24 HOURS.
FORECAST POSITION AT 191200UTC: 22.4N, 106.5E
SIGNIFICANT SWELL/HIGH SEAS
SEAS 6M, 10M, 14M OVER GALE, STORM, HURRICANE WARNING AREAS.
SWELL S TO SE 3-5 M OVER NORTHERN PART OF SOUTH CHINA SEA
(SCS).
SWELL SW 3-5 M OVER CENTRAL PART OF SCS.
THUNDERSTORMS/SEVERE WEATHER
FREQUENT HEAVY SQ SH AND TS WITHIN 360 NM FROM CENTRE OF
RAMMASUN(1409).
SCATTERED SQ SH AND TS OVER SEAS NEAR PHILIPPINES.
SEA FOG/REDUCED VISIBILITY
VIS DOWN TO 500 M IN SQ SH AND TS.=

METAREA XI

PassageWeather is a FREE sailing weather website:

 http://www.passageweather.com/maps/chinasea/mappage.htm

Do not use any information on this site for life or death decisions. All information is intended as supplementary to official sources. Kindly refer to your country’s official weather agency/government website for local warnings, advisories and bulletins.

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