More You Know: Classification of Bad Things

Droughts

Here are the categories of drought. 

1. Meteorological is when dry weather and other conditions like dry winds and high temperatures cause drought.
2. Agricultural is when there is a reduction of soil moisture that affects animals and crops.
3. Hydrological is when the water supply is low due to overuse of water sources.
4. Socioeconomic is when demand exceeds the supply.

Floods

Here are the categories of flooding.

1. Category 1 where sanitation issues arise from toilets, faucets, and anything that dispenses water.
2. Category 2 where contamination issues arise from dishwater and washing machine run off as well as from sink drains.
3. Category 3 where severe sanitation issues happen and may cause death due to sewer back up, overflowing rivers, stagnant water with bacteria, and overflowing toilets. 

Earthquakes

Here are the magnitudes of earthquakes.

1. 2.5 or less are usually not felt
2. 2.5 to 5.4 are minor and light earthquakes often felt with small damage
3. 5.5 to 6.0 are moderate earthquakes with slight damage
4. 6.1 to 6.9 are strong earthquakes felt with damage in heavily populated cities
5. 7.0 to 7.9 are major earthquakes with serious damage
6. 8.0 or higher are great earthquakes with destruction near epicenter

Tornadoes

Here are the categories of tornadoes on the Fujita scale.

1. F0 is 40 to 72 mph/64 to 116 km/h wind with light damage
2. F1 is 73 to 112 mph/117 to 180 km/h wind with moderate damage
3. F2 is 113 to 157 mph/181 to 253 km/h wind with significant damage
4. F3 is 156 to 205 mph/254 to 332 km/h wind with severe damage
5. F4 is 207 to 260 mph/333 to 418 km/h wind with devastating damage
6. F5 is 261 to 318 mph/419 to 512 km/h wind with devastating damage

Hurricanes and Tropical Storms

Here are the categories on the Saffir-Simpson scale.

1. One is 74 to 95 mph/119 to 153 km/h wind speed
2. Two is 96 to 110 mph/154 to 177 km/h wind speed
3. Three is 111 to 129 mph/178 to 208 km/h wind speed
4. Four is 130 to 205 mph/209 to 251 km/h wind speed
5. Five is 157 or higher mph/252 or higher km/h wind speed
6. Tropical storms is 39 to 73 mph/63 to 118 km/h wind speed

Fires

Here are the classes of fire.

1. A is for solids like wood, paper, plastic, and trash
2. B is for liquids like paint and petrol
3. C is gases like butane and methane
4. D is metals like magnesium, potassium, lithium, and zirconium
5. E is electrical like anything any appliance with a cord
6. F is cooking oils and fat should speak for itself

Here are the classes of fires extinguishers.

1. A is for solids and ordinary combustibles
2. B is for liquids and oil/oil-based paints
3. C is for electrical eqiupment
4. D is for flammable metals
5. K is for cooking oils and fats

Her are the major different types of extinguishers

1. Water
2. Foam
3. Dry powder
4. Carbon dioxide
5. Wet chemical

What extinguisher should you use for any type of fire?

1. Use any extinguisher EXCEPT CARBON DIOXIDE for solid materials.
2. Use any extinguisher EXCEPT WATER AND WET CHEMICAL on liquids.
3. Use ONLY DRY POWDER on gases. 
4. Use ONLY DRY POWDER on metal.
5. Use ONLY DRY POWDER AND CARBON DIOXIDE on electrical appliances.
6. Use ONLY WET CHEMICAL or FIRE BLANKET on cooking oils and fats.

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