Historical warning of orange warning signal of cold wave
On April 20th, 2008 1 10, Qinghai Meteorological Observatory issued an orange warning signal of cold wave: within 24 hours, the daily average temperature in most parts of the province will drop by more than 8℃, and the lowest temperature will be less than or equal to 0℃, and it may continue, and the average wind power can reach more than 4. Guide to defense: 1. The government and relevant departments shall, in accordance with their duties, start the emergency plan in time and prepare for the cold wave; 2. Power and gas departments should strengthen energy dispatching; 3. Pay attention to adding clothes to keep warm; 4. Outdoor workers such as high altitude should take measures to prevent freezing and wind; 5. Agriculture, animal husbandry, etc. Take cold and antifreeze measures to do a good job in the cold protection of crops, livestock and poultry.
2. Weifang issued an orange warning signal for cold wave.
On the afternoon of February 3, 65438, citizens of Weifang, Shandong Province walked on Dongfeng Street with the wind and rain. Affected by the strong cold air from north to south, there will be a strong wind, precipitation and strong cooling process in Weifang from that day to the 5th. Weifang Meteorological Observatory issued an orange warning signal for cold wave: It is estimated that the minimum temperature in Weifang will drop by 12℃ within 24 hours, and it will drop to-10℃ to -8℃ in the morning of May-6th. The average wind power on land can reach more than 6, 7-8 in the northern sea area, and the gust 10. Remind relevant departments to prepare for wind and frost, and pay attention to the climax caused by strong winds in the northern coastal areas.
3. Anhui issued an orange warning signal for cold wave.
Anhui Meteorological Observatory changed the orange warning signal of cold wave at 0: 00 on October 22nd, 2009/kloc-0+:It is estimated that the lowest temperature in Anhui Province will drop by 12- 14℃ in the next 24 hours, and the lowest temperature in Huaibei and mountainous areas of Anhui Province will reach-12. The average wind force can reach 5-6, and the gust is 8. Please prepare relevant units and personnel, and the government and relevant departments should do a good job in cold wave emergency prevention according to their duties; Pay attention to cold and warmth; Agriculture, aquaculture, animal husbandry, etc. Anti-freezing measures should be actively taken to minimize losses; Do a good job of wind protection.
4 Tianjin issued a cold wave orange warning signal
On June 265438+1October 2 1 day, Tianjin Meteorological Observatory issued an orange warning signal of cold wave, saying that from the middle of the night after June 2 1 day, there was a strong wind cooling in Tianjin, and the lowest temperature in Tianjin was-12℃, with northerly winds of 6-7 and gusts of 8. From 22nd to 24th, the average maximum daytime temperature in Tianjin will drop below minus 2℃. According to experts from Tianjin Meteorological Observatory, this strong cold air is the third strong cold air since winter, and the other two times are the cooling in early February of 65438+and the snowstorm on February 20, 2008. Strong cold air is mainly strong wind and cooling. Because of the strong wind and long duration, and people are busy shopping for new year's goods, meteorologists remind that weather changes are easy to induce or aggravate various diseases of respiratory tract, cardiovascular and cerebrovascular systems, and medical departments should take timely countermeasures; Agricultural production departments attach importance to farmland management and do a good job in keeping warm and freezing; Water, electricity, coal and other departments should do a good job of heatstroke prevention and cooling in advance.
5 The Central Meteorological Observatory issued an orange warning of cold wave:
1October 23 16: due to the cold wave, at 08: 00 today, compared with 08: 00 yesterday, the central and eastern parts of northwest China, most parts of North China, Huanghuai, Jianghuai and other places have experienced 6 ~ 10℃ cooling and local cooling1.
It is estimated that from 0/4 on 23rd to 20: 00 on 25th, the average temperature or minimum temperature in Jianghuai, most of the south of Yangtze River, the eastern part of South China and Southwest China will drop by 6 ~ 10℃, and the cooling range in some areas such as eastern Jiangnan and eastern Yunnan can reach12 ~ 14℃. The lowest temperature in the middle and lower reaches of the Yangtze River will drop to -8 ~- 14℃, 0 ~-4℃ in north-central South China and 0 ~-7℃ in east-central Yunnan.
The daily minimum temperature in most parts of the central and eastern regions will be 6 ~ 8℃ lower than normal, and the local temperature will exceed 10℃, with northerly winds of 4 ~ 6 and gusts of 7 ~ 8. The lowest temperatures in parts of southern Anhui, northern Zhejiang, northern Fujian, northern Guangdong and eastern Yunnan may be close to or below historical extremes, and the lowest temperatures in Jianghuai and Jiangnan will appear on the 24th or the early morning of 25th.