Strong snowfall in the central and eastern parts of the Jiangnan region needs to be prevented from adversely affecting facility agriculture
At 05:00 yesterday, at 05 o'clock in the morning, snowfall or sleet occurred in southern Anhui, central and eastern Hunan, north-central Jiangxi, north-central Zhejiang, and northwestern Fujian. The precipitation was 5-15 mm, in central Hunan and northeastern Jiangxi. The western part of central Zhejiang reaches 20-30 mm; moderate to heavy rain occurs in the central and western parts of Chongqing, southern Jiangnan and most of southern China, and heavy rains occur in parts of southeastern Hunan, northwestern Fujian and eastern Hainan.
At 07 o'clock today, the depth of snow in central Hunan, southern Anhui, Shanghai, Zhejiang, and northwestern Fujian was 3 to 7 cm, and the southeastern part of Anhui and parts of central Zhejiang reached 10 to 18 cm.
At 0500 hours today, the temperature of the 0°C line southward to the southern part of Guizhou, southern Hunan, southwestern Jiangsu and northern Fujian. The temperature in the central and northern parts of the Yangtze River is generally below minus 2 to minus 4 °C; the temperature in the southern suburb of Beijing is minus 7.5 °C (Figure). At 05:00 today, at 05 o'clock in the morning, the temperature in eastern Yunnan, western Guizhou, southern Hunan, most of Guangxi, Guangdong, Zhejiang, and Fujian dropped by 6-8 °C, and some areas in the central and western parts of Fujian and eastern Guangdong cooled by 11-12 °C; Inner Mongolia The temperature in the central and western parts of the Northeast and the northern part of North China rose.
There is strong snowfall in the central and eastern parts of the Jiangnan region, and the temperature is generally below 0 °C this morning. Rain and snow weather, snow and road icing will have a major adverse impact on transportation, electricity, agriculture and municipal facilities. And coping with work. 
Figure National Temperature Map (December 16, 2010 at 05 o'clock)
This cold air impact tends to end local areas should strengthen field management
At present, the strong cold air that affects China's large area has come to an end, and the snowfall in the south of the Yangtze River will also be significantly weakened. Therefore, the Central Meteorological Observatory will release the cold wave and heavy snow warning this morning. In the next three days, most of China will be dominated by sunny days, and temperatures will gradually rise; fog will occur in parts of Jiangnan, southern Jianghan, and southwestern regions.
It is expected that during the day, there will be small to medium snow or sleet in southern Zhejiang, northern and western Fujian (precipitation 1 to 3 mm, snow depth increased by 1 to 3 cm); today day to night, eastern Inner Mongolia, southern Heilongjiang, Jilin In most parts of Liaoning, eastern Shandong, Shandong Peninsula, southern Zhejiang, Fujian, and central and eastern Yunnan, there are small to medium snow (rain) or sleet; there are light rain or showers in central and southern Guangdong, Hainan and Taiwan. There are 4 to 6 winds in most parts of Inner Mongolia and South China. The Taiwan Strait, the north-central South China Sea, the Beibu Gulf have 7 to 9 grades, and the gusts of 10 to 11 northeast winds; the southern part of the East China Sea has 6 to 8 grades and the gusts of 9 grades; the Bohai Sea and the northern part of the Yellow Sea have 5 to 7 grades. The gust of wind 8 is the west wind.
Agricultural production advice
1. Overwintering crops, vegetables, flue-cured tobacco, etc. should adopt cold straw and film covering methods to prevent cold and freeze, and at the same time increase the application of hot phosphorus and potassium fertilizer to improve the cold resistance of crops and reduce the impact of cold (freezing).
2. Fruit trees can adopt measures such as whitening of tree trunks, covering with tree shrouds and cultivating trees, so as to enhance the ability of plants to resist cold and freeze, and to prevent fumigation at night; for bananas, alfalfa and other fruits can be bagged to prevent cold (frozen) .
3, poultry house should take measures to do wind and warm work, to maintain appropriate temperature, to ensure the safety of livestock. Aquaculture areas should promptly overhaul oxygenation and heating equipment, properly deepen the pool water, and do a good job of heat preservation and antifreeze.
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