South Korea first suffered national sand/dust storms
April 1, sand/dust storms attacked Korean peninsula, South Korea issued the first sand/dust storms warning in the country.
North America suffered a rare cold current in April
Early April, affected by the strong cold air, a west to east snowfall began from west Canada to northeast US. The snow in west Canada was the new record of the same period in history, the minimum temperature was -9 ° C, resulting two deaths; heavy snow in northeast US, caused many schools closed and traffic jam. About 180,000 houses and commercial facilities’ electricity were cut off, and killed one person.