China: Severe Tropical Storm Hato 15W 23/1200Z nr 22.7N 115.3E, moving WNW 30 km/h (16 kt) (JMA) – Updated 23 Aug 2017 1332z (GMT/UTC)

Typhoon Hato 15W downgraded to Severe Tropical Storm by JMA

 

JAPAN MET

1713-00 jma 23

STS 1713 (Hato)
Issued at 12:50 UTC, 23 August 2017

<Analysis at 12 UTC, 23 August>
Scale
Intensity
Center position N22°40′ (22.7°)
E111°00′ (111.0°)
Direction and speed of movement WNW 30 km/h (16 kt)
Central pressure 985 hPa
Maximum sustained wind speed 25 m/s (50 kt)
Maximum wind gust speed 35 m/s (70 kt)
≥ 30 kt wind area S 330 km (180 NM)
N 170 km (90 NM)
<Forecast for 00 UTC, 24 August>
Intensity
Center position of probability circle N23°20′ (23.3°)
E107°55′ (107.9°)
Direction and speed of movement W 30 km/h (15 kt)
Central pressure 996 hPa
Maximum sustained wind speed 20 m/s (40 kt)
Maximum wind gust speed 30 m/s (60 kt)
Radius of probability circle 70 km (40 NM)
<Forecast for 12 UTC, 24 August>
Intensity
TD
Center position of probability circle N23°40′ (23.7°)
E104°30′ (104.5°)
Direction and speed of movement W 30 km/h (15 kt)
Central pressure 1000 hPa
Radius of probability circle 110 km (60 NM)

CMA CHINA typhoon_logo_v2.0
Typhoon Message
20170823 20:26

National Meteorological Center No.680
Analysis Time: Aug. 23th 12 UTC
Name of TC: HATO
Num. of TC: 1713
Current Location: 22.7°N 110.9°E
Max. 10-min Wind Speed: 25m/s(90km/h)
Central Pressure: 985hPa
Forecast movement: next 24hrs HATO will moving WNW at speed of 28km/h
Currently on land
Red Warning of Typhoon

23-08-2017Source:National Meteorological Center

The National Meteorological Center issued red warning of typhoon at 6:00 p.m. on August 23.

At 5:00 p.m. today, Typhoon Hato, this year’s 13th typhoon, centered northern parts of the South China Sea (21.3N, 115.2E), about 200 kilometers away from southeastern Zhuhai city, Guangdong province. The maximum wind near the typhoon center hit scale 13 (40m/s).

It is forecasted to move toward northwest at a speed of 25 kilometers per hour with a strengthening force. At noon today, it is predicted to make landfall in Guangdong coast ranging from Zhuhai City to Yangjiang City (40~48 m/s, scale 13~15, typhoon level or severe typhoon level). After that Hato will continue to march toward west with a shrinking strength and slip into Guangxi on the evening of August 23 (30~33 m/s, scale 11~12, severe tropical storm or typhoon level).

Gale forecast: From August 23 to 24, in portions of Taiwan Strait, northern parts of the South China Sea, Qiongzhou Strait, Beibu Gulf, Guangdong coast, southern Fujian coast, eastern and northern Hainan coast, Guangxi coast, southern Guangdong coast, and eastern Guangxi, scale 7~9 gale is forecasted. Pearl River Estuary will be battered by scale 11~13 gale. Furthermore, the sea or land areas on the way of the typhoon center are expected to be hammered by scale 14~15 gale or scale 16~17 gust.

Precipitation forecast: From August 23 to 24, in some certain locations of most of Guangxi, western and southern Guangdong, northern Hainan Island, southern Fujian coast, and western Taiwan, heavy rain or rainstorm is forecasted. Furthermore, portions of southeastern Guangxi, southwestern Guangdong, and northeastern Hainan Island will be exposed to heavy rainstorm or extraordinary rainstorm (250~350 mm). (August 23)

Editor Wu Peng

NW Pacific: TSR Storm Alert issued at 23 Aug, 2017 6:00 GMT (Final Warning)

Typhoon HATO is currently located near 22.2 N 112.9 E with maximum 1-min sustained winds of 85 kts (98 mph). HATO is a category 2 storm on the Saffir Simpson Hurricane Wind Scale. HATO is forecast to affect 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
    Macau
        probability for CAT 1 or above is 60% currently
        probability for TS is 100% currently

Yellow Alert Country(s) or Province(s)
    Hong Kong
        probability for TS is 95% currently
Yellow Alert City(s) and Town(s)
    Guangzhou (23.1 N, 113.3 E)
        probability for CAT 1 or above is 10% currently
        probability for TS is 100% currently
    Hong Kong (22.4 N, 114.2 E)
        probability for TS is 90% currently
    Maoming (21.9 N, 110.9 E)
        probability for CAT 1 or above is 15% within 12 hours
        probability for TS is 85% within 12 hours
    Zhanjiang (21.2 N, 110.3 E)
        probability for TS is 65% within 12 hours
    Nanning (22.8 N, 108.3 E)
        probability for TS is 60% in about 24 hours
    Beihai (21.6 N, 109.2 E)
        probability for TS is 55% within 12 hours

Green Alert Country(s) or Province(s)
    Vietnam
        probability for TS is 40% in about 24 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.
Green Alert (Low) is TS to between 31% and 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/
For graphical forecast information and further details please visit http://www.tropicalstormrisk.com/

201715W tsr1 23

(Image: TSR)

201715W_0 tsr2 23

(Image: TSR)

MARITIME/SHIPPING

METAREA11/ TYPHOON_WARNING_JAPAN / 231200

WTJP21 RJTD 231200
WARNING 231200.
WARNING VALID 241200.
WARNING IS UPDATED EVERY 6 HOURS.
STORM WARNING.
SEVERE TROPICAL STORM 1713 HATO (1713) DOWNGRADED FROM TYPHOON 985
HPA
AT 22.7N 111.0E SOUTH CHINA MOVING WESTNORTHWEST 16 KNOTS.
POSITION GOOD.
MAX WINDS 50 KNOTS.
RADIUS OF OVER 30 KNOT WINDS 180 MILES SOUTH SEMICIRCLE AND 90 MILES
ELSEWHERE.
FORECAST POSITION FOR 240000UTC AT 23.3N 107.9E WITH 40 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
996 HPA, MAX WINDS 40 KNOTS.
FORECAST POSITION FOR 241200UTC AT 23.7N 104.5E WITH 60 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1000 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.

China/ Hong Kong/ Macau: Tropical Depression ROKE 10W 222100Z position nr 22.1N 115.7E, moving WNW 12 knots (JTWC) – Published 22 Jul 2017 1930z (GMT/UTC)

Tropical Depression ROKE 10W

MAXIMUM SIGNIFICANT WAVE HEIGHT AT 221800Z IS 12 FEET – JTWC

Joint Typhoon Warning Center (JTWC)

Tropical Depression 10W (Roke) Warning #05
Issued at 22/2100Z

 

 

WTPN34 PGTW 222100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL DEPRESSION 10W (ROKE) WARNING NR 005
DOWNGRADED FROM TROPICAL STORM 10W
04 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY

WARNING POSITION:
221800Z — NEAR 21.9N 116.4E
MOVEMENT PAST SIX HOURS – 290 DEGREES AT 12 KTS
POSITION ACCURATE TO WITHIN 015 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND RADAR
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS – 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 21.9N 116.4E

FORECASTS:
12 HRS, VALID AT:
230600Z — 22.7N 113.6E
MAX SUSTAINED WINDS – 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 24 HR POSIT: 300 DEG/ 08 KTS

24 HRS, VALID AT:
231800Z — 23.5N 112.2E
MAX SUSTAINED WINDS – 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND

REMARKS:
222100Z POSITION NEAR 22.1N 115.7E.
TROPICAL DEPRESSION 10W (ROKE), LOCATED APPROXIMATELY 125 NM EAST
OF HONG KONG, HAS TRACKED WEST-NORTHWESTWARD AT 12 KNOTS OVER THE
PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 221800Z IS 12
FEET. NEXT WARNINGS AT 230300Z, 230900Z AND 231500Z. REFER TO
TROPICAL STORM 07W (NORU) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY
UPDATES. REFER TO TROPICAL DEPRESSION 08W (EIGHT) WARNINGS (WTPN32
PGTW) FOR SIX-HOURLY UPDATES. REFER TO TROPICAL STORM 09W (KULAP)
WARNINGS (WTPN33 PGTW) FOR SIX-HOURLY UPDATES.//
NNNN

NW Pacific: Storm Alert issued at 22 Jul, 2017 18:00 GMT

Tropical Depression ROKE is currently located near 21.9 N 116.4 E with maximum 1-min sustained winds of 30kts (35 mph). ROKE 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% within 12 hours
Green Alert City(s) and Town(s)
    Shantou (23.0 N, 116.2 E)
        probability for TS is 35% currently

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/

(Image: TSR)

(Image: TSR)

MARITIME/SHIPPING

METAREA11 / TYPHOON_WARNING_JAPAN / 1800
WARNING 221800.
WARNING VALID 231800.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 1707 ROKE (1707) 1002 HPA
AT 21.7N 117.2E SOUTH CHINA SEA MOVING WESTNORTHWEST 11 KNOTS.
POSITION FAIR.
MAX WINDS 35 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 30 MILES.
FORECAST POSITION FOR 230600UTC AT 22.8N 115.1E WITH 40 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1002 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 231800UTC AT 23.9N 112.9E WITH 60 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1006 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.