"Siamba" will be the first typhoon to affect Guangzhou this year

  Guangzhou Daily News (all media reporter Li Tianyan, Yekas correspondent Qingyu) Yesterday morning, the tropical depression in the South China Sea intensified into typhoon "Siamba", which is expected to land on the coast of western Guangdong from the evening of July 2 to the daytime of July 3.

"Siamba" will be the first typhoon to affect Guangzhou this year, passing from the afternoon to the night of July 2 from the southwest of Guangzhou, about 340 kilometers away from Guangzhou.

"Siamba" is the closest to Guangzhou from the afternoon to the night of the 2nd, which will bring obvious wind and rain, and the central and southern regions will be greatly affected.

As of press time, the Provincial Three Defense Headquarters has activated the emergency response level IV for wind protection, and the Municipal Headquarters of the Three Defenses has activated the emergency response level 4 (wind preparedness), and 9 districts in the city have issued typhoon white warning signals.

  The tropical depression in the central part of the South China Sea has intensified into the No. 3 typhoon "Siamba" this year at 8:00 yesterday. At 14:00, its center was located on the sea 730 kilometers south of Guangzhou, with a maximum wind force of magnitude 8 (20 m/s) near the center. The central minimum pressure is 990 hPa.

  It is expected that "Siamba" will move north-westward at a speed of 10-15 kilometers per hour, and gradually tend to the Pearl River Estuary to the eastern sea surface of Hainan Island, and the intensity will continue to gradually increase.

The typhoon is likely to land on the coast of western Guangdong from the evening of the 2nd to the day of the 3rd, and it is expected to be a strong tropical storm when it makes landfall.

  In this typhoon, the accumulated rainfall (July 1-4) was 80-120 mm, local 150-200 mm, the maximum hourly rain intensity was 30-40 mm, and local 50-80 mm.

The rain is mainly in the south central and the time is on the weekend.

Among them, it was moderate rain on the 1st, with local heavy rain in Panyu and Nansha; heavy rain on the 2nd, heavy rain in the central and western regions (50-80 mm); heavy rain on the 3rd, heavy rain in the central and southern regions (50-80 mm); on the 4th, heavy rain in the southern regions Heavy rain (50-80mm).

On the 2nd and 4th, there will be gusts of magnitude 8 to 9 in Guangzhou Port, and gusts of magnitude 6 to 7 in the southern and inland highlands.

  According to the current and forecast path and intensity, it is expected that from July 1st to 2nd, there will be a storm surge of 30-70cm in the Pearl River Estuary. On July 2nd, the high tide level of the Pearl River section in the central urban area of ​​Guangzhou may reach or slightly exceed the warning value. .

  What defense measures correspond to different levels of typhoon warnings?

  Yesterday, many districts in Guangzhou issued a white typhoon warning, and Nansha Panyu still has the possibility of upgrading the warning.

What are the levels of typhoon warnings?

What defense measures correspond to different levels?

Under what circumstances do we need to suspend classes and work?

The reporter found the emergency management department to answer one by one.

  Text / Guangzhou Daily All Media Reporter Li Tianyan

  Blue alert issued

  Ships should return to port in time to take shelter

  The typhoon warning signal is divided into five levels, which are represented by white, blue, yellow, orange and red.

  The typhoon white warning signal takes effect, indicating that it will be affected by the typhoon within 48 hours and enter the typhoon attention state, and it is necessary to be alert to the impact of the typhoon on the local area.

Citizens should pay attention to the latest situation of typhoons through the dissemination channels of meteorological information.

  The blue typhoon warning signal takes effect, indicating that it will be affected by a typhoon within 24 hours, with an average wind force of level 6 or above, or a gust of level 8 or above; or has been affected by a typhoon, with an average wind force of level 6 to 7, or gust of level 8 to 9 and will continue.

  At this time, it is in a state of typhoon alert. It is necessary to strengthen the doors and windows, temporary structures such as board houses, iron houses, and scaffolding, and properly arrange outdoor shelving and hanging objects.

Marine aquaculture and offshore operators shall evacuate in a timely manner, and ships shall promptly return to the port for shelter or take other shelter measures.

  Typhoon yellow warning does not start students who do not have to come to school

  A typhoon yellow warning signal is issued, which means that it will be affected by a typhoon within 24 hours, with an average wind force of 8 or more, or a gust of 10 or more; or it has been affected by a typhoon, with an average wind of 8 to 9, or gust of 10 to 11. and will continue.

  At this time, entering the typhoon defense state, primary and secondary schools, kindergartens, and nurseries should suspend classes, and students who have not set off for school do not have to attend school; students who are on their way to or from school should go to the nearest safe place for temporary shelter or go home under safe conditions; schools should properly Place students on campus (including on school buses and boarding), and arrange for students to leave school and go home under the condition of ensuring safety.

  Residents should close doors and windows, properly arrange outdoor shelving and hanging objects, and avoid going out as much as possible; people in dangerous areas and dangerous buildings should evacuate in time to ensure they stay in a safe place.

Stop outdoor group activities, stop high-altitude and other outdoor operations.

Beaches, scenic spots, parks, and playgrounds should be closed in due course, and relevant areas should be closed.

Marine aquaculture and marine operations personnel shall evacuate, and ships returning to the port for shelter shall not leave the port without authorization.

  Red alert takes effect and employers are advised to suspend work

  The typhoon orange warning signal is issued, indicating that it will be affected by a typhoon within 12 hours, and the average wind force can reach above 10, or the gust is above 12; or it has been affected by the typhoon, the average wind is 10-11, or the gust is above 12 and will continued.

  At this time, a state of emergency typhoon defense is entered. Primary and secondary schools, kindergartens, and nurseries should suspend classes, and schools should properly accommodate boarding students.

Residents are avoiding going out, making sure to stay in safe places.

Stop large indoor gatherings and evacuate people immediately.

Beaches, scenic spots, parks and playgrounds should be closed for business.

Reinforce port facilities; implement ship defense measures to prevent anchor loss, grounding and collisions.

  A typhoon red warning signal was issued, indicating that it will be or has been affected by a typhoon within 12 hours, and the average wind force can reach above level 12, or it has reached above level 12 and will continue.

  At this time, the typhoon is in a special emergency defense state. Primary and secondary schools, kindergartens, and nurseries should be closed, and schools should properly accommodate boarding students; it is recommended that employers suspend work (except for special industries), and provide stranded personnel with a safe shelter from the wind. Residents should not go out. Make sure to stay in a safe place.

When the typhoon center passes by, the wind will decrease or be static for a period of time, and alert and defense should be maintained to prevent the strong wind from hitting again after the typhoon center passes.

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