China/Taiwan: Severe Tropical Storm Nepartak (1601, 02W) 082100Z POSITION near 23.7N 119.5E, moving N 01 Knot (JTWC) – Updated 08 Jul 2016 2040Z (GMT/UTC)

Severe Tropical Storm  Nepartak/ Butchoy in PH (1601, 02W)

MAXIMUM SIGNIFICANT WAVE HEIGHT AT 081800Z IS 18 FEET

Image: @wunderground 5 Day Forecast

Image: @wunderground 5 Day Forecast

Image: @wunderground Satellite

Image: @wunderground Satellite

 Japan Meteorological agency

1601-00 8

 

1601-00 enlarged.png 8

STS 1601 (Nepartak)
Issued at 18:45 UTC, 8 July 2016

<Analysis at 18 UTC, 8 July>
Scale
Intensity
Center position N23°40′ (23.7°)
E119°25′ (119.4°)
Direction and speed of movement NW 10 km/h (6 kt)
Central pressure 980 hPa
Maximum wind speed near center 30 m/s (60 kt)
Maximum wind gust speed 45 m/s (85 kt)
≥ 50 kt wind area ALL 90 km (50 NM)
≥ 30 kt wind area NE 330 km (180 NM)
SW 280 km (150 NM)
<Forecast for 18 UTC, 9 July>
Intensity
Center position of probability circle N25°30′ (25.5°)
E117°20′ (117.3°)
Direction and speed of movement NW 15 km/h (7 kt)
Central pressure 992 hPa
Maximum sustained wind speed 20 m/s (40 kt)
Maximum wind gust speed 30 m/s (60 kt)
Radius of probability circle 90 km (50 NM)
<Forecast for 18 UTC, 10 July>
Intensity
TD
Center position of probability circle N28°10′ (28.2°)
E117°30′ (117.5°)
Direction and speed of movement N 15 km/h (7 kt)
Central pressure 996 hPa
Radius of probability circle 200 km (110 NM)

Joint Typhoon Warning Center (JTWC)

Tropical Storm 02W (Nepartak) Warning #24
Issued at 08/2100Z

wp0216 8a

WTPN31 PGTW 082100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL STORM 02W (NEPARTAK) WARNING NR 024
DOWNGRADED FROM TYPHOON 02W
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY

WARNING POSITION:
081800Z — NEAR 23.4N 119.7E
MOVEMENT PAST SIX HOURS – 360 DEGREES AT 01 KTS
POSITION ACCURATE TO WITHIN 030 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND RADAR
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS – 060 KT, GUSTS 075 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS – 030 NM NORTHEAST QUADRANT
025 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS – 080 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
075 NM NORTHWEST QUADRANT
REPEAT POSIT: 23.4N 119.7E

FORECASTS:
12 HRS, VALID AT:
090600Z — 24.4N 119.0E
MAX SUSTAINED WINDS – 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS – 070 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
060 NM SOUTHWEST QUADRANT
060 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 320 DEG/ 06 KTS

24 HRS, VALID AT:
091800Z — 25.3N 118.2E
MAX SUSTAINED WINDS – 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 36 HR POSIT: 335 DEG/ 05 KTS

36 HRS, VALID AT:
100600Z — 26.2N 117.7E
MAX SUSTAINED WINDS – 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 48 HR POSIT: 015 DEG/ 06 KTS

EXTENDED OUTLOOK:
48 HRS, VALID AT:
101800Z — 27.3N 118.0E
MAX SUSTAINED WINDS – 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND

REMARKS:
082100Z POSITION NEAR 23.7N 119.5E.
TROPICAL STORM 02W (NEPARTAK), LOCATED APPROXIMATELY 142 NM
SOUTHWEST OF TAIPEI, TAIWAN, HAS TRACKED NORTHWARD AT 01 KNOTS
OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 081800Z
IS 18 FEET. NEXT WARNINGS AT 090300Z, 090900Z, 091500Z AND 092100Z.//
NNNN

NW Pacific: TSR Storm Alert issued at  6 Jul, 2016 6:00 GMT

NW Pacific: Storm Alert issued at 8 Jul, 2016 18:00 GMT

Tropical Storm NEPARTAK is currently located near 23.4 N 119.7 E with maximum 1-min sustained winds of 60kts (69 mph). NEPARTAK is forecast to affect land to the following likelihood(s) at the given lead time(s):
Red Alert Country(s) or Province(s)
    Taiwan
        probability for CAT 1 or above is 35% currently
        probability for TS is 100% currently

Yellow Alert Country(s) or Province(s)
    China
        probability for TS is 80% within 12 hours
Yellow Alert City(s) and Town(s)
    T’aichung (24.1 N, 120.7 E)
        probability for TS is 85% within 12 hours
    Quanzhou (25.0 N, 118.5 E)
        probability for TS is 80% in about 24 hours
    Putian (25.6 N, 119.0 E)
        probability for TS is 65% within 12 hours
    Kao-hsiung (22.6 N, 120.3 E)
        probability for TS is 60% currently
    Zhangzhou (24.5 N, 117.8 E)
        probability for TS is 55% within 12 hours

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/

Image: TSR

Image: TSR

 

MARITIME/ SHIPPING

METAREA11 / TYPHOON_WARNING_JAPAN / 081800

WTJP21 RJTD 081800
WARNING 081800.
WARNING VALID 091800.
WARNING IS UPDATED EVERY 6 HOURS.
STORM WARNING.
SEVERE TROPICAL STORM 1601 NEPARTAK (1601) DOWNGRADED FROM TYPHOON
980 HPA
AT 23.7N 119.4E TAIWAN STRAIT MOVING NORTHWEST 06 KNOTS.
POSITION FAIR.
MAX WINDS 60 KNOTS NEAR CENTER.
RADIUS OF OVER 50 KNOT WINDS 50 MILES.
RADIUS OF OVER 30 KNOT WINDS 180 MILES NORTHEAST SEMICIRCLE AND 150
MILES ELSEWHERE.
FORECAST POSITION FOR 091800UTC AT 25.5N 117.3E WITH 50 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
992 HPA, MAX WINDS 40 KNOTS.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 101800UTC AT 28.2N 117.5E WITH 110 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
996 HPA.
BECOMING TROPICAL DEPRESSION.

JAPAN METEOROLOGICAL AGENCY.=

END

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