South China Sea: Tropical Storm Merbok (1702, 04W) 11/1500Z nr 18.8N 116.0E, moving NNW 13kt (JMA) – Published 11 Jun 2017 1900z (GMT/UTC)

Tropical Storm Merbok (1702, 04W)

(Image: @wunderground)

(Image: @wunderground)

TS 1702 (Merbok)
Issued at 15:45 UTC, 11 June 2017
<Analysis at 15 UTC, 11 June>
Scale

Intensity

Center position
N18°50′ (18.8°)

E116°00′ (116.0°)
Direction and speed of movement
NNW 25 km/h (13 kt)
Central pressure
1002 hPa
Maximum wind speed near center
18 m/s (35 kt)
Maximum wind gust speed
25 m/s (50 kt)
≥ 30 kt wind area
ALL 170 km (90 NM)

<Forecast for 03 UTC, 12 June>
Intensity

Center position of probability circle
N20°40′ (20.7°)

E115°10′ (115.2°)
Direction and speed of movement
NNW 20 km/h (10 kt)
Central pressure
1000 hPa
Maximum wind speed near center
18 m/s (35 kt)
Maximum wind gust speed
25 m/s (50 kt)
Radius of probability circle
70 km (40 NM)

<Forecast for 15 UTC, 12 June>
Intensity

Center position of probability circle
N22°25′ (22.4°)

E114°50′ (114.8°)
Direction and speed of movement
N 15 km/h (9 kt)
Central pressure
998 hPa
Maximum wind speed near center
20 m/s (40 kt)
Maximum wind gust speed
30 m/s (60 kt)
Radius of probability circle
90 km (50 NM)

<Forecast for 12 UTC, 13 June>
Intensity

TD
Center position of probability circle
N25°10′ (25.2°)

E118°20′ (118.3°)
Direction and speed of movement
NE 20 km/h (11 kt)
Central pressure
1004 hPa
Radius of probability circle
280 km (150 NM)

=================================================================================

Joint Typhoon Warning Center (JTWC)

Tropical Storm 04W (Merbok) Warning #03
Issued at 11/1500Z

 

 

WTPN31 PGTW 111500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL STORM 04W (MERBOK) WARNING NR 003
UPGRADED FROM TROPICAL DEPRESSION 04W
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY

WARNING POSITION:
111200Z — NEAR 18.2N 116.3E
MOVEMENT PAST SIX HOURS – 345 DEGREES AT 10 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS – 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS – 050 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
REPEAT POSIT: 18.2N 116.3E

FORECASTS:
12 HRS, VALID AT:
120000Z — 20.2N 115.7E
MAX SUSTAINED WINDS – 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS – 055 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 350 DEG/ 09 KTS

24 HRS, VALID AT:
121200Z — 22.0N 115.3E
MAX SUSTAINED WINDS – 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS – 060 NM NORTHEAST QUADRANT
055 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
055 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 005 DEG/ 08 KTS

36 HRS, VALID AT:
130000Z — 23.6N 115.4E
MAX SUSTAINED WINDS – 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 48 HR POSIT: 040 DEG/ 10 KTS

EXTENDED OUTLOOK:
48 HRS, VALID AT:
131200Z — 25.1N 116.9E
MAX SUSTAINED WINDS – 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 075 DEG/ 17 KTS

72 HRS, VALID AT:
141200Z — 26.9N 124.1E
MAX SUSTAINED WINDS – 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS – 025 NM NORTHEAST QUADRANT
025 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
025 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 075 DEG/ 12 KTS

LONG RANGE OUTLOOK:

96 HRS, VALID AT:
151200Z — 27.9N 129.4E
MAX SUSTAINED WINDS – 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
BECOMING EXTRATROPICAL
RADIUS OF 034 KT WINDS – 025 NM NORTHEAST QUADRANT
025 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
025 NM NORTHWEST QUADRANT
VECTOR TO 120 HR POSIT: 070 DEG/ 16 KTS

120 HRS, VALID AT:
161200Z — 29.7N 136.2E
MAX SUSTAINED WINDS – 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
EXTRATROPICAL

REMARKS:
111500Z POSITION NEAR 18.7N 116.1E.
TROPICAL STORM 04W (MERBOK), LOCATED APPROXIMATELY 273 NM SOUTH-
SOUTHEAST OF HONG KONG, HAS TRACKED NORTH-NORTHWESTWARD AT 10
KNOTS OVER THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 111200Z IS 11 FEET. NEXT
WARNINGS AT 112100Z, 120300Z, 120900Z AND 121500Z.//
NNNN

================================================================================

NW Pacific: TSR Storm Alert issued at 11 Jun, 2017 12:00 GMT

Tropical Storm MERBOK is currently located near 18.2 N 116.3 E with maximum 1-min sustained winds of 35kts (40 mph). MERBOK is forecast to affect land to the following likelihood(s) at the given lead time(s):

Green Alert Country(s) or Province(s)
    China
        probability for TS is 50% in about 24 hours
    Hong Kong
        probability for TS is 45% in about 24 hours
Green Alert City(s) and Town(s)
    Shantou (23.0 N, 116.2 E)
        probability for TS is 45% in about 36 hours
    Hong Kong (22.4 N, 114.2 E)
        probability for TS is 40% in about 24 hours

Note that
Green Alert (Low) is TS to between 31% and 50% probability.
TS means Tropical Storm strength winds of at least 39 mph, 63 km/h or 34 knots 1-min sustained.

(Image: TSR)

(Image: TSR)

Other

(Image: DoctorAdvice4u.com )

MARITIME/SHIPPING

 


METAREA11 / TYPHOON_WARNING_JAPAN / 1200

WTJP21 RJTD 111200
WARNING 111200.
WARNING VALID 121200.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 1702 MERBOK (1702) 1002 HPA
AT 18.1N 116.4E SOUTH CHINA SEA MOVING NORTH 11 KNOTS.
POSITION FAIR.
MAX WINDS 35 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 90 MILES.
FORECAST POSITION FOR 120000UTC AT 20.2N 115.7E WITH 40 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1000 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 121200UTC AT 22.1N 115.1E WITH 50 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
998 HPA, MAX WINDS 40 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 131200UTC AT 25.2N 118.3E WITH 150 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1004 HPA.
BECOMING TROPICAL DEPRESSION.

JAPAN METEOROLOGICAL AGENCY.=

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.

Advertisements

One thought on “South China Sea: Tropical Storm Merbok (1702, 04W) 11/1500Z nr 18.8N 116.0E, moving NNW 13kt (JMA) – Published 11 Jun 2017 1900z (GMT/UTC)

  1. NW Pacific: TSR Storm Alert issued at 11 Jun, 2017 18:00 GMT

    Tropical Storm MERBOK is currently located near 19.5 N 115.9 E with maximum 1-min sustained winds of 35kts (40 mph). MERBOK is forecast to affect land to the following likelihood(s) at the given lead time(s):

    Green Alert Country(s) or Province(s)
    China
    probability for TS is 45% within 12 hours
    Hong Kong
    probability for TS is 40% within 12 hours
    Green Alert City(s) and Town(s)
    Shantou (23.0 N, 116.2 E)
    probability for TS is 35% in about 24 hours
    Hong Kong (22.4 N, 114.2 E)
    probability for TS is 35% within 12 hours

    Note that
    Green Alert (Low) is TS to between 31% and 50% probability.
    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/

    Like

Goaty's News welcomes your replies. Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s