For the past one week, if you are in Nigeria you would notice hot, uncomfortable weather which it is impossible to combat with an electric fan. The electric fans merely circulate hot air. The only relief could be gotten via an airconditioned environment. When we step out of such an environment, our bodies are pummeled by air so hot it is almost scalding. The scorching temperature ranges between 36-degree Celsius and 39-degree Celsius.
[Image is Free for Use]Source
This abnormally high temperature for a place that is used to high temperature is known as a heatwave.
Defining a heatwave is a bit difficult as there is no specific threshold of temperature for everyone that when temperature crosses, that is said to be a heatwave.
But if a temperature of an environment is 5 degrees above the maximum average temperature for the location, in 4 or more days in a row, it is called a heatwave.
So if 31-degree Celcius is the maximum normal temperature for a place and you suddenly have 36 or 37-degree Celcius temperature for 4 or 5 days in a row, the area is experiencing a heatwave.
Some other definition is that it is a when the temperature exceeds the top temperature of the location by 10% for a consecutive three days or more.
[A Screenshot of Temperature of Two Cities in Nigeria. Date 6th Feb 2018. Time: 3PM Local Time]Weather.com
One thing is similar in all the definition; there is a high temperature that exceeds the maximum temperature of a location for consecutive period of days.
The Dangerous High Temperature
The body operates at a normal temperature of 37-degree Celcius or 98.6 degrees Fahrenheit. In the event of it being subjected to a temperature 1 degree higher than this normal operating temperature over a period of several hours, heat exhaustion set in which may lead to hyperthermia. Hyperthermia is when the body temperature is higher than normal. The opposite of it is when it is too low which is called hypothermia.
The body regulates its temperature by sweating when you are hot; the subsequent evaporation cools the body. When the cold sets in, there is usually some shivering and shaking to make the blood flow and create heat in the process.
When the body temperature exceeds 42-degree Celcius, a phenomenon known as heat stroke occurs with the likelihood of death happening in a few hours.
How it Occurs
The heat waves occur when high pressure directs the air downwards thereby preventing the air near the ground from moving upwards.
[Wikipedia]Source: Heat wave
The warm air downwards is trapped; with its way of rising upwards blocked. The evaporation which could have taken place bringing a cooling effect can no longer take place.
Remember when evaporation occurs it takes away heat with it. This combines with the trapped air and makes it hotter.
Heat Waves Impact
Aside from the heat stroke which may lead to hyperthermia, there are other impacts heat waves may bring to the people.
The impact of a heatwave is dependent on its level of severity.
There are low, severe, and extreme heatwaves.
The low heatwaves affect mostly the babies and the elderly, while the severe heatwaves affect the adults irrespective of health status. The extreme is what affects the infrastructures such as the transportation, the power companies in the areas of generation, transmission, distribution and consumption.
Due to the heat, the electricity demand increases as more people run airconditioner at their homes. That usually overloads the system leading to blowouts or brownouts with resulting blackouts for some extended periods of time. The fuses on sensing this dangerous load demands fail, throwing the area it is protecting in a blackout.
In the area of transport, the roads under the extreme temperature may crack, shatter or be deformed as the road surface expands. Concrete roads are more at risk of breaking while asphalt may deform causing an uneven surface making for an unsafe driving condition.
The rail travel is usually the worst hit as continuous expansion of the metal due to high temperature may lead to a derailment. You can take a look here to see a severely warped rail track due to high temperature caused by heat waves here.
Even the air transport is not spared as planes lose lift during the take off as a result of heat waves. The heatwaves reduce the air density; takeoffs require longer runways to acquire enough lift in the less dense air.
How to survive a heat wave
In the absence of air conditioners, electric fans could do the trick.
[Maxpixel]Source
Though not as effective as an air conditioner. You can make yourself a homemade "air conditioner". Place a box fan behind a cooler of ice or ice in a bowl and sit in its path :)
Cross ventilation is required. Keep windows open.
Drink lots of water as one may easily get dehydrated in this situation. Foods such as caffeine and alcoholic beverages intake should be minimised as they aid dehydration.
But if it happens that your friend has an air conditioner, it is a great time to visit that friend :)
References
1.Wikipedia: Heatwaves
2.Reuters: Heatwaves Leaves Thousands of Australian Homes in Blackout
3.Extreme Temperature Effects on Transportation
4.Surviving a Heat Wave with no Airconditioner
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Now "Man's hot"
Thanks for sharing the information
Now i understand why there's so much heat.
Hope its gonna go back normal?
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Well, it usually gets back to normal after some period of time. Thanks.
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This post is very rich in information......i am a living witness to most of the facts you pointed out in this article, just 2days ago, I couldn't sleep in my room because of excessive heat at night. Our lands need to be green once more, I advocate for planting of more trees, reduction in the use of CFC's that cause ozone depletion. Your article is really fascinating, nice work.
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Thank you for your kind compliments. I can relate with how uncomfortable it gets at night.
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educative....but in Kaduna here, it's pretty cold. The harmattan still, is taking a toll on us.
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Lucky you. I hope it's cold in other parts of Nigeria too.
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Jos, Taraba, Kano atleast. The north is usually really cold at times of the harmattan. This heat wave sounds scary though
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The heat wave is very uncomfortable. I like my days cold.
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you should take a trib to Kaduna or Jos during the harmattan. You'd run home. so cold!
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I'd trade your cold with heat in a heatbeat :)
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lol. no thank you. i'm enjoying the cold
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You're lucky o
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Like its just getting too much to bear..
Air conditioners are very useful.
Alot find it difficult to afford.
In other use,,
We will survive
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I do agree on air-conditioners making it bearable.
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Nigeria now share boundary with hell on the map
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haba, don't say that now
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Yeah. Its very true.. I was even wondering what could be the cause for this frequent heat/hotness. Thanks for sharing.
And would love to suggest that we should always drink water so we would not be dehydrated cuz of the weather. And maintain a clean environment that also promotes ventilation
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Naturally I ignore spam. But I hope you know this is the definition of spam comment.
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Thanks for this great info. . Placing a box of fan behind an ice will definite produce coldness. The weather this day is too dusty and hot. ...right now I am sweating cos I just finish eating hot beans when there is no light....
Thank for this educative post. Well done
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Thank you too for reading. Maybe you should give the hot food a chance to cool down.
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Thanks for the observation, cause and solution.
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That is true. Thanks.
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The heat is unbearable.. It's so bad that roommate wanted to ask google if hell is close to Nigeria.
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I can relate. I feel the heat too.
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We have indeed been experiencing the heatwave in Ibadan. It's been unbearably hot for several days now. I have taken to spending my afternoons at the cinema where their air conditioning never fails...lol...thanks a million for the fan and bowl of ice info, I'll definitely try it out tomorrow.
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Not a bad way to go. Any air-conditioned environment is welcome. Thank you.
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lol..not a bad way to go.
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I had my bath 4 times today. I was sweating profusely today. If only i could convert it to steem
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You could if you try :)
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Lol
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This is where one should plant trees around the house. Also, deforestation should be discouraged.
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Trees around sure helps provide a cooler environment.
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Its really hot here in lagos
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The heatwave is on a rampage. Every affected city had its populace sweating.
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Heat do generate intensively after short rain fall somethings
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That do happen some of the time.
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This sudden heat is so unbearable, the fans have become completely useless as the heat gets worse by the minute. My advice is for people to take lots of water regularly to avoid dehydration
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Lots of water do help as the body loses a lot of water during this intense heat period.
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I'm having hard time witb this heat of a thing. I barely sleep at night. Whatever this heat wave is, there should be a cold wave ASAP.)
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Hehe :)
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The heat these days is unbearable, my fan would do the trick for me ☺
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I sure hope it does that. Thanks.
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Loool.. Even with air conditioner, it is either you have constant power supply or you've discovered where to buy fuel with ease and at a cheaper rate. There are mist fans too, fans that blow and sprinkle water..
Honestly with the heat and everything, these are hard times in Nigeria..hopefully the rains come soon..
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Yeah. I have a mist fan. I attached a picture below. It tries but the hot session drowns its efforts.
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I cant even sleep well this days. The worst is phcn cant give constant light.
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It affects the power too. So that may explain it.
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Help me understand how it affects the power boss
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The power consumption demand increases as more people run air-conditioners leading to overload of the system and consequent blackout as fuses melts.
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That's true sir..thanks
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I'd also recommend cold bath, light clothings, less makeup, and avoiding black shirts or dresses.
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Oh yeah, that works especially if you are stepping outside. Thanks a lot.
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Thanks for this. So many people have been complaining about the hot weather here.
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The weather is way too hot. Even my mist fan can't handle it.
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Very high temperature there stay awesome and stay safe steemians from heat wave :) and thank for sharing the post @greenrun
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Thank you @everblazing.
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guy, this your post just came in handy cause the temperature in my area is above 40 degrees. Fans are not even helping out at all. someone said the cause of it is that the last person that entered hell did not remember to close the door. hahahahahahahahahah, lwkd. thanks for sharing man
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Thanks for your contribution.
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Hotness in Nigeria is natural!
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It's so hot here I'm planning t drop an egg in water and see how long it will take for it to be ready.
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When it happens do tell me :)
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I sure will... :)
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I am so sorry to hear your going through this. Thank you for sharing this information. Is this normal in your city? I know if Reno, Nv USA we are having Spring weather temperatures when it should be snowing, but Reno has always had crazy unpredictable weather.
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Not really a normal occurrence. It's just a freak weather. "Normal is between 25 to 32 degree celsius during this season.
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I hope it is a freak occurrence and will not turn into a local weather pattern. Wish you all the best my friend.
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Sure, it is not normal.
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You always have a top notch information. I dislike heat with passion and would rather settle for cold. Thanks for sharing!
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You are most welcome.
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/Skrrrrrrrr pop-pop take off your jacket because man is hot/
Guy, leave all that your big grammar and big science of definition of heat wave. If you dey inside am, person no need to tell you 😂
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Weather is pretty hot.
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This heat is seriously unbearable coupled with the fact that there's no electricity, at least i now know that cause because i was wondering why the home tiles wasn't cool as usual....
I suppose you have ac in your house cuz I'm visiting right away
Girl'shotttt
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Only a miserly fan awaits you :)
Thanks for dropping by.
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Gosh, I thought I was the only one experiencing this terrible heat wave. It's worse at night when the lights go out.
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You are not alone :)
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That made me laugh - I can imagine this friend becoming extremely popular when extreme heat arrives!
Keep safe everyone who is currently dealing with these crazy temperatures.
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Lol. But it gets so hot you wouldn't mind visiting an area with air conditioning or a friend who has one and happened to have power :)
It is the life we live.
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Sounds tough at times. No power I guess means no fan or cold drinks too :(
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You are 100% right. That is why I'm a huge fan of renewable energy. It doesn't come cheap, but if could come up with one the energy (Sun) to power it is unlimited.
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Yes for sure.
Only money and greed has stopped renewables become common place, but one day they will be necessity. Hopefully we have not killed Mother Earth by then.
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I want Mother Earth to live longer, she's been tolerating the abuse so well :)
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