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typhoon prasang landfall point

adjusted again?

central meteorological observatory

continue to publish today (september 19) at 10:00

typhoon yellow warning

prasant will reach tropical storm level

landing on the coast from xiangshan, zhejiang to pudong, shanghai

it is expected that "prasang" will move rapidly toward the northwest at a speed of 40-45 kilometers per hour, and its intensity will increase.landfall on the coast from xiangshan, zhejiang to pudong, shanghai (tropical storm or severe tropical storm, 9-11, 23-30 m/s), after which the intensity gradually weakened.

shanghai meteorological bureau:

the possibility of continuing to transfer north is not ruled out

the official weibo account of shanghai meteorological bureau @沪天气 forwarded @中气象台 and said: as the subtropical high pressure is significantly weakening,at present, the possibility of "prasang" continuing to move north cannot be ruled out.please continue to pay attention to the latest forecast and warning information.

it will be cloudy to overcast in shanghai with scattered showers during the day today.the rainfall will be more obvious after the evening. showers and short-term thunderstorms are expected from the evening to the first half of the night, with heavy rain (60-90 mm) in some areas, and the maximum hourly rainfall intensity of 30-50 mm.starting this afternoon, most parts of the city will have gusts of 7 to 8 levels, and high-rise buildings and areas along the river and the coast will have gusts of 8 to 9 levels.

prepare rain gear after get off work or school, and pay attention to traffic safety.

netizen:let's have a good time

the storm lasted longer than bebecca

the speedy typhoon "prasang" moves very fast, covering thousands of kilometers in one day, heading straight for east china. according to the shanghai meteorological center, "prasang" may be a tropical storm or severe tropical storm when it lands, and its impact on shanghai will not be as strong as "bebejia". however, after "prasang" lands, the atmospheric circulation situation is very complicated, sothe wind and rain it brings may last longer than "bebecca".

after "prasang" comes ashore, we should be alert to the multiple influences of typhoon superposition, cold air and astronomical tides. around the 21st, the subtropical high pressure will break, and the residual cloud system of "prasang" will combine with the cold air moving southward to "inspire" heavy rainfall in the yangtze river delta region. typhoon rain in jiangsu, zhejiang, shanghai and other places may last for about three days, and some areas will be accompanied by convective weather, and there may be heavy rain in some areas, and even strong convective weather such as tornadoes.shanghai will also experience heavy rain to torrential rain from the late 21st to the 22nd.

however, the typhoon brought strong winds and "wheel rain", and the temperature in shanghai is finally going to drop. according to the forecast, the temperature in the city will drop to the 20s next week, and the hot summer is finally coming to an end.

multiple tropical systems are causing trouble

"bebejia" just stopped being numbered yesterday, and "prasang" is here again. the atmospheric circulation situation in late september is still changing, and the tropical system at sea is also very active. at 8 am this morning, the 15th typhoon "soulik" this year was formed again, and another typhoon will be formed in the northwest pacific next week.in the coming period, shanghai will experience frequent rains and significant short-term precipitation.

why have typhoons appeared so frequently recently? zhang ling, chief forecaster of the central meteorological observatory, explained that since september, the entire subtropical high pressure has moved northward, and the tropical low-latitude areas have been "liberated". at the same time, the southwest monsoon is very active, and there is also a strong equatorial airflow in the southern hemisphere. under the "cooperation" of these conditions, tropical convection has become relatively active since september.

although there are few autumn platforms, most of them are "tough characters"

in meteorology, typhoons generated from september to november are called "autumn typhoons". according to meteorological statistics since 1949, the average number of autumn typhoons (september to november) generated per year is 11.38, of which 2.26 will land in my country. the average number of summer typhoons (june to august) generated per year is 11.62, of which 4.36 will land in my country. although the number of autumn typhoons generated is basically the same as that of summer typhoons, the number of autumn typhoons landing in my country is significantly less than that of summer typhoons.

however, compared with summer typhoons, autumn typhoons are actually more ruthless, with three characteristics: they travel southward, are powerful, and cause more damage. data shows that autumn typhoons' most "favored" landing places are guangdong, hainan, taiwan, and fujian.

why are autumn typhoons more severe? meteorological experts explain that most autumn typhoons are generated in the northwest pacific ocean, where the sea temperature is high and the distance from the land is far.give it enough space and time to develop;at the same time, with the change of seasons, autumn typhoons are less and less affected by the south china sea monsoon. although typhoons are generally not very large,the better the symmetry of the typhoon structure, the easier it is for the typhoon to develop into a stronger one;in addition,the typhoon's path is relatively southward, the sea temperature in low latitudes is higher, and the proportion of autumn typhoons developing into super typhoons is also higher.

since september this year, the frequency of autumn typhoons has been more active than in the same period in history. in the past, there were about 1.2 typhoons affecting my country in early and mid-september. now, including the upcoming "prasang", there will be three typhoons affecting my country's coastal waters.

xinmin evening news (reporter ma dan)