Updated: 20-03-2012
Source:
Signal |
Meaning |
Preventive Measures |
|
In 48 hours, minimum temperature will drop at least 8 degrees Celsius, with minimum temperature lower than or equal to 4 degrees, and average land wind up to scale 5; or the temperature has dropped at least 8 degrees with minimum temperature lower than or equal to 4 degrees and average land wind up to scale 5, and this is likely to continue. |
1. Government and related sectors should do preparation work for cold wave; 2. The people in affected areas should wear warm clothes; 3. Tropical plants and aquatic products should be protected; 4. Take preventive measures for wind. |
|
In 24 hours, minimum temperature will drop at least 10 degrees Celsius, with minimum temperature lower than or equal to 4 degrees, and average land wind up to scale 6; or the temperature has dropped at least 10 degrees with minimum temperature lower than or equal to 4 degrees and average land wind up to scale 6, and this is likely to continue. |
1. Government and related sectors should do preparation work for cold wave; 2. The people in affected areas should wear warm clothes; the old, weak, and sick people should be taken care. 3. Livestock, poultry, tropical/subtropical fruits and aquatic products and crops should be protected; 4. Take preventive measures for wind. |
|
In 24 hours, minimum temperature will drop at least 12 degrees Celsius, with minimum temperature lower than or equal to 0 degrees, and average land wind up to scale 6; or the temperature has dropped at least 12 degrees with minimum temperature lower than or equal to 0 degrees and average land wind up to scale 6, and this is likely to continue. |
1. Government and related sectors should do a good job for cold wave emergency; 2. The people in affected areas should wear warm clothes; 3. The sectors of agriculture, aquaculture, livestock raising, and others should take active measures for frost, icing and others; 4. Take preventive measure for wind. |
|
In 24 hours, minimum temperature will drop at least 16 degrees Celsius, with minimum temperature lower than or equal to 0 degrees, and average land wind up to scale 6; or the temperature has dropped at least 16 degrees with minimum temperature lower than or equal to 0 degrees and average land wind up to scale 6, and this is likely to continue.
|
1. Government and related sectors should do a good job for cold wave emergency and rescue; 2. The people in affected areas should wear warm clothes; 3. The sectors of agriculture, aquaculture, livestock raising, and others should take active measures for frost, icing and others; 4. Take preventive measure for wind. |