The Pudong New Area Meteorological Observatory released it at 17:10 on the 14thBlue warning signal for cold spell: Affected by the strong cold air in the north, the temperature in this area will drop significantly, the minimum temperature in 48 hours can drop by 11-13, and the minimum temperature on the morning of the 17th is minus 5 to minus 3, there is freezing or severe freezing, please pay attention to precautions.
Affected by the cold wave weather, the minimum temperature in Pudong New Area in 48 hours from 15 to 17 can drop by 11 13;Extreme minimum temperatures around minus 4 with freezing or severe freezing;The maximum gust on land is 6 7, 7 8 in coastal areas along the river, and 9 10 in Yangshan port. In addition, there will be a short period of light rain during the day on the 15th, and a short period of sleet may occur around the morning of the 16th. It is expected that the winter in the area will start on December 16 (December 5 in normal years), and the temperature in the area will be low for 5 or 7 days, and the daily maximum temperature will be below 10.
The temperature drops violently and there is freezing, and the low temperature lasts in the later period
Under the influence of the warm air mass, the highest temperature in the region during the day today was 248. Breaking the record of mid-December in Pudong since 1959 (December 16, 2019, 216℃）；On the morning of the 15th, the strong cold air began to affect the region, and the temperature will drop significantly, and the minimum temperature in 48 hours from the 15th to the 17th can drop by up to 11 13;The extreme minimum temperature of this process occurred on the morning of the 17th, with an extreme minimum temperature of about minus 4, with freezing or severe freezing. It is expected that the winter in this area will enter on December 16 (December 5 in normal years), and the temperature in this area will be low for 5 7 days, and the daily maximum temperature will be below 10.
Weather forecast for Pudong in the next few days
Gale duration is longer
From the morning of the 15th, the northwest wind began to increase, and the maximum gust on land was 6 7 on the 15th and 16th, 7 8 in the coastal areas along the Yangtze River, and 9 10 in the Yangshan port area. The wind weakened from the afternoon of the 17th.
Precipitation is weak
There was a brief period of light rain during the day on the 15th, and as the temperature dropped, a short period of sleet may occur around the morning of the 16th.
Cold wave is a disastrous weather phenomenon in winter, simply put, cold air from high latitudes, under a specific weather situation, quickly strengthens and invades the middle and low latitudes, causing severe cooling, strong winds, rain and snow along the way. There are certain criteria for this southward cold air to reach the cold wave level, such as after the cold air transits, the temperature in a certain area drops by more than 8 within 24 hours, and the minimum temperature drops below 4;or the temperature drops by more than 10 within 48 hours, and the minimum temperature drops below 4;Or the temperature has dropped by more than 12 consecutive times in 72 hours, and the minimum temperature is below 4. Only cold air that meets this standard can be called a cold wave by us.
Cold wave weather warning information
According to the "Cold Wave Warning Signal and Defense Guide", there are four levels of cold wave warning signals.
Guidance on Graded Protective Measures
In view of the level of cold wave warning signals, we put forward suggestions for graded population protection measures.
Cold Wave Defense Guide
The cold wave is coming, the temperature plummets, let's see the warm tips for dealing with the cold wave.
1.Wear adequate clothing, especially for the head, neck, hands and feet, increase the indoor temperature appropriately, use heating or air conditioning, and keep warm. For some elderly people with underlying diseases, try to minimize going out, such as patients with cardiovascular and cerebrovascular diseases or respiratory diseases, and must strengthen personal protection.
2.Pay attention to the safety of fire, electricity and gas to prevent carbon monoxide poisoning. Check the water pipes and valves in your home to prevent freezing and crackingAvoid overloading appliances and use old wires and socketsEnsure the safety of gas pipelines and valves, paying special attention to the freeze protection of gas pipes.
3.Keep away from dangerous areas such as high-altitude billboards and temporary structures;Take care to put away the items on the balcony to avoid being blown off by the wind;Keep doors and windows closed at home to keep the indoor environment comfortable and safe.
4.Eat more high-calorie foods to increase the body's resistanceKeep indoor air fresh and properly ventilated;Get a good night's sleep and boost your body's immunity.
All walks of life also need to take measures.
Prepare for this cold wave.
1.It is necessary to pay attention to the impact of strong winds and precipitation on traffic, especially on weekends and winter solstice festivals, so please take precautions in advance and strengthen safety work.
2.It is recommended to take relevant measures such as pipeline burst prevention, electricity and gas protection, and strengthening agricultural field management in advance, especially to pay attention to anti-freezing protection measures for cash crops such as strawberries.
3.During this cold wave, the gale lasted for a long time, and it is recommended to strengthen the prevention of the impact of gale on facility agriculture, water and aerial workDo a good job of windproof reinforcement measures for simple structures, outdoor items and outdoor billboards.
4.Under the influence of the cold wave, the risk of respiratory and cardiovascular and cerebrovascular diseases is increased, which may cause a peak in medical treatment, and it is recommended that medical and health departments take countermeasures.
Editor: Zou Ying.
Contributed by: Regional Meteorological Bureau.
*Please indicate that it is from the official WeChat of Pudong Release.
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