2011 Heilongjiang Province Weather Forecast

The general climate trend is expected from March to October this year: the temperature is slightly higher than normal and the precipitation is close to normal.

The temperature is normally slightly higher in spring, with an obvious phased cooling process in the early stage, and the final frost is normally slightly earlier; the temperature in summer is normally slightly higher; the temperature in autumn is slightly higher, and the first frost is normally slightly later.

Spring precipitation is normal, with more precipitation in the previous spring and less precipitation in the subsequent spring; normal precipitation in summer is slightly less; precipitation in autumn is slightly less.

Main meteorological disasters: drought from late spring to early summer, local floods, and periodic low temperatures in late summer.

1. Temperature prediction

The temperature in spring (March to May) is relatively high. The average temperature is expected to be about 7.0℃, which is 2.9℃ higher than the same period in previous years. The temperature in March is slightly higher. , the average temperature is about -5.0℃, 0.2℃ lower than the same period in previous years. The temperature in April is slightly higher, with the expected average temperature being about 9.0℃, 2.8℃ higher than the same period in previous years. The temperature in May is on the higher side, with the expected average temperature being about 17.0℃ , 3.3℃ higher than the same period in previous years.

The temperature in summer (June to August) is slightly higher, and the average temperature is expected to be about 21.3°C, 0.2°C higher than the same period in previous years. The temperature in June is slightly higher, with an average temperature of about 20.0°C, 0.4°C higher than the same period in previous years. The temperature in July is slightly higher, with an expected average temperature of about 23.0°C, 0.2°C higher than the same period in previous years. The temperature in August is slightly higher, with an expected average The temperature is about 21.0℃, 0.2℃ higher than the same period in previous years.

The temperature in autumn (September to October) is slightly higher, and the average temperature is expected to be about 10.0℃, 0.6℃ higher than the same period in previous years. The temperature in September is slightly higher, with an average temperature of about 14.0°C, which is the same as the same period in previous years. The temperature in October is slightly higher, with an expected average temperature of about 6.0°C, 1.2°C higher than the same period in previous years.

2. Precipitation forecast

Precipitation in spring is normal, and the expected precipitation is about 90.0mm, which is the same as the same period in previous years. Among them, the precipitation in March is slightly more than normal, with the expected precipitation being about 10.0mm, 9% more than the same period in previous years. The precipitation in April is slightly less, with the expected precipitation being about 20.0mm, 13% less than the same period in previous years. The precipitation in May is slightly more. The expected precipitation is about 60.0mm, 3% more than the same period in previous years.

Summer precipitation is slightly less than normal, and the expected precipitation is about 370.0mm, 7% less than the same period in previous years. Among them, there will be more precipitation in June, with an estimated precipitation of about 120.0mm, 22% more than the same period in previous years. There will be slightly less precipitation in July, with a precipitation of about 140.0mm, 25% less than the same period in previous years. In August, there will be slightly less precipitation, with an expected precipitation The volume is approximately 110.0mm, which is 17% less than the same period in previous years.

There will be slightly less precipitation in autumn. The expected precipitation is about 100.0mm, which is 3% more than the same period in previous years. There was slightly more precipitation in September, with the precipitation being about 70.0mm, which is 11% less than the same period in previous years. There was slightly less precipitation in October, with the expected precipitation being about 30.0mm, which was 12% less than the same period in previous years.

The main precipitation processes in March are: 18th to 20th and 28th to 29th.

3. Forecast of days with strong winds (≥Level 8)

The number of days with strong winds in spring is relatively low. The number of days with strong winds is expected to be about 9 days, which is about 3 days less than the same period in previous years. The number of days with strong winds in March Normally, it takes about 3 days, which is the same as the same period in previous years. The number of windy days in April was about 2, which was about 4 days less than the same period in previous years. The number of windy days in May was about 4, which was the same as the same period in previous years.

The number of windy days in summer is normal, and the number of windy days in June is normal, about 1 day, which is the same as the same period in previous years. The number of windy days in July was about 1, which was the same as the same period in previous years. The number of windy days in August was about 1, which was the same as the same period in previous years.

There are fewer windy days in autumn, with the number of windy days being about 1 day, which is about 1 day less than the same period in previous years.

4. Final and first frost forecast

The final frost is slightly earlier and is expected to occur around May 13, about 2 days earlier than in previous years. The first frost is usually slightly later, appearing around September 24, about one day later than in previous years.

V. Suggestions

1. Spring and summer precipitation are close to normal years, but the spatial and temporal distribution is uneven, and periodic droughts and floods are prominent. Relevant departments should raise prevention awareness as early as possible and do a good job Prepare for drought in late spring and early summer, and at the same time prevent short-term floods, flash floods, mudslides, hail and other disasters caused by local heavy precipitation in the rainy season.

2. The heat in this year’s growing season is less than in 2008 and 2007, but more than in 2009. There may be periodic low temperatures in August. It is recommended that relevant departments reasonably arrange agricultural production, do a good job in seed selection, and promote early maturity. , to make up for the lack of heat in the later period, which affects crop yields.