NWS Considers Miami Climate Records To Be ‘Suspect’

Was July 2017 Miami’s hottest month since records began in 1895?

Highly unlikely. Miami only has 40 years of real weather records, and even current data may be compromised by recent construction work.

According to the National Weather Service, most historical climate data recorded in Miami is considered to be either suspect or highly suspect.

Data from Miami prior to 1958 is considered to be “very suspect” by the NWS. Before that time, Miami’s temperatures were recorded from atop a series of high-rise buildings in downtown Miami.

From 1958 to 1977, weather records are still considered to be “somewhat suspect”. During this period, temperatures were recorded next to the terminal at the northeast corner of what is now Miami International Airport, and later from a building at the southeast corner.

In 1977, the official weather station was moved three miles further inland to its current location near the west end of the runways at the airport.

The NWS website states why these early readings cannot be relied on:

It must be mentioned that prior to the establishment of the airport site, the location of thermometers on top of tall buildings in downtown Miami made the accuracy of temperature records for the period 1914-1958 very suspect, especially in radiational cooling or inversion situations. Even the airport records, because of proximity to asphalt roads, parking areas, and runways, must be considered somewhat suspect until winter 1977, when instruments were moved near the west end of the runways at Miami International Airport.

Any Miami temperature record then is only going up against 40 years of valid data, according to the NWS. Miami’s official summer temperature since 1977 is also going to be hotter than before that date, since the gauge is now located much further inland.

Even considering this, many of the recent “records” at the Miami Airport aren’t matched by other nearby weather stations, including the July 2017 record. Why the sudden spike at MIA?

One possible explanation may be the construction of the 826-836 intersection. Since 2009, the project has been adding miles of hot asphalt and concrete in close proximity to the weather station, which could be amplifying the heat island effect.

 

the 826-836 interchange project is a short distance from the weather station:

 

 

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Anonymous
4 years ago

It’s hot as hell and humid for 6-7 straight months.. but I won’t live anywhere else.

marc
4 years ago

I’ve been living in Miami since 1977 and I could tell you there are definitely fewer and fewer cold fronts that make it down here and stay longer than 24-48 hours. I remember having week long cold spells and more days to go camping or play sports outdoors in the cold. Also the holidays were colder and it seems it’s always 75+ on Christmas and New Years especially the last 5-10 years. Take from that what you will.

Anonymous
4 years ago

for sure the heat island affect is real

Anonymous
4 years ago

Effect

Anonymous
4 years ago

It never gets cold more than 2-3 days now. I remember in the 90’s we had at least anywhere from a week to a month in the year that it was consistently cold.

Anonymous
4 years ago

I don’t. When I went to school growing up in the 1990s and early 2000s, it would be in the fifties or sixties in the morning, but go up to the seventies and even low eighties by lunchtime. Don’t forget we had some record-breaking cold spells in 2010 and 2013. I’m not discrediting any evidence of climate change, but twenty or something years isn’t a good benchmark to determine long-term changes, unless you’re a Third World country which cuts down all its forests and wonders why pollution and temperatures rise.

Anonymous
4 years ago

Yeah, word, man. I remember snow skiing down the hills at Tropical Park 30 years ago.

Anonymous
4 years ago

Don’t let this distract you from the fact that the entire country and world are warming at increasing rates that do not indicate “natural” or “normal” global warming

Jesus
4 years ago

I’m over in Oklahoma training and while it is hot out here, I miss the weather in Miami where it rains every day, it’s great to be at the beach, the breeze! Oh man, I can’t wait to get back home!

Anonymous
4 years ago

So climate change/global warming is man-made. What will we do about it? Tell BRIC (Brazil, Russia, India, and China) to stop polluting like crazy? Meanwhile, Algore lives in mansions consuming 21-34 times more energy than us, and zips around in a private jet to tell us how evil we are for not undermining our country’s potential while said countries continue to pollute regardless, along with other developing countries.

Anonymous
4 years ago

Oh wow, you really need to give those 2004 rightwing talking points a rest.

Anonymous
4 years ago

Okay, libtard. Tell us how to address global warming/climate change without turning us into a second-rate nation, and causing China and India to inversely pollute sevenfold. There’s an f-ing garbage patch in the Indian Ocean of their trash, which is far more likely to cause sea level rise by Archimedes’ Principle compared to not buying your produce locally and dealing with annoying hipsters who ruined weekend green markets.

Anonymous but you can call me Mike
4 years ago

Your children will leave with the consequences of the ignorance of people just like you.

Anonymous
4 years ago

“Think about the children” is the oldest tu quoque ever. At least my “2004 rightwing talking points” have some validity.

Anonymous
4 years ago

Oh wow, you’re really smart, I see that education and degree from TRUMP U. really comes in handy!

Anonymous
4 years ago

LOL, still better than MDC.

Anonymous
4 years ago

Except I don’t remember MDC settling any lawsuits for conning people out of their money.

Anonymous
4 years ago

Well they are certainly conning Miami out of its money with all their downtown real estate and letting historic heritage like Freedom Tower and the old post office rot. Maybe they should sell the former to The Trump Organization…

Trump U was never even intended as a school, rather a glorified seminar about real estate, where significant risks are faced. I suppose everybody is an idiot who invests in Miami real estate if the sea level is going to rise and turn us into Atlantis, according to your logic.

Anonymous
4 years ago

The only ones who are idiots are the ones who let this con man named Trump fool them into believing he’s not a con man.

Anonymous
4 years ago

Trump or Clinton, they’re both cons. That’s “democracy” for you.

Anonymous
4 years ago

I like how you Con-servatives lump people together when you can’t point to anything to show proof that the liberal is anywhere near as corrupt and devious as a Con-servative.

Anonymous
4 years ago

I’m very concerned with the flooding and storm surges.. this global warming is real!

Anonymous
4 years ago

Except that has to do more with ageing infrastructure. The entire United States southeast coast was swamp, so of course nature will reclaim land against failing water pumps and drainage sewers clogged with trash.

Anonymous
4 years ago

Also, the fact ocean levels are about 14 inches higher than when the infrastructure was built.

Anonymous
4 years ago

With all the technological advancements in sixty years, we can mitigate that easily. The question is whether taxpayers want to pay extra for the long-term if/when it goes higher, considering replacing the current infrastructure is reactionary based after a catastrophe occurs, and assuming the government is fiscally responsible (which is isn’t).

Anonymous
4 years ago

Funny, I remember an article from a rag also known as the Miami New Times claiming Vizcaya’s stone barge was affected from sea level rise, and was quickly debunked by the fact you could see residue from higher sea levels lined with recent images.

Anonymous
4 years ago

This article doesn’t even mention climate change. It is saying that more recent records are not comparable to older records because of the location of the measurements. Also, that recent construction at 826/836 interchange may be influencing the measurements.

Anonymous
4 years ago

I believe there may be some misunderstanding regarding the “suspect” temperatures. If the pre-1958 temps were taken downtown, that is an immense amount of concrete/asphalt which (using the article argument) would lead to higher temp readings in the past, not lower (especially at night as lows along the coast are usually a few degrees warmer than inland). If night temps were still taken right on the coast near the bay, the increased low temps recorded would be even higher than at the airport, making the records even more overwhelming and historic.

mondocondo
4 years ago

Seems to me someone should be able to figure out how to adjust the historical records for those effects. Cheers