Bloody Awful Weather

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Lunar Eclipse April 2015
Wikimedia, taken by Alfredo Garcia, Jr.

It’s enough to make a superstitious person hide under a blanket for the rest of the year. A week after a “blood moon” came a “blood rain”.

All of this occurred within 3 weeks of a total solar eclipse. If you don’t know the science, then all you know is that the sun disappeared, the moon turned red and then bloody-looking red rain fell from the skies.

Yikes!

Sometimes the weather is scary!

Most people understand eclipses. The solar eclipse was the moon passing between the earth and the sun. The “blood moon” was a lunar eclipse, the moon passing through the Earth’s shadow. The Earth’s atmosphere focuses some light on the moon, but some of the shorter wavelengths of light (blues and violets) are scattered so the moon turns a bloody red.

On April 4, 2015, a “blood moon” floated through the skies. Source: Wikimedia, taken by Alfredo Garcia, Jr.

Blood rains, however, are more mysterious.  Ever since Homer wrote about the Greek gods raining blood as a warning of death and warfare, Europe has recorded red rains that left bloody looking stains on clothing and buildings. In Germany, showers of blood rain warned villages of the outbreak of the Black Death in 1348 – 1349. For centuries, these red showers were regarded as the ultimate bad omen.

So does that mean that England is doomed because red rain fell from the skies during the second weekend of April?

Actually, what most scientists think is happening is that typical British rain is colliding with a very untypical large dust storm from the Sahara desert. The iron rich oxide dust is rusty red, so when it gets caught up in raindrops, the water turns red as well. In Texas, which had a similar dusty rain storm in San Antonio in 2008, locals call it “mud rain”, which is browner and much less spooky. However, Europe usually gets its desert dust from the reddish Sahara sands, so they have ominous “blood” events.

The Karala blood rain. Source: Wikipedia contributed by Godfrey Louis and A. Santhosh Kumar.

In some rare cases, the red in the rain hasn’t been dust. In Karala India, a “blood rain” in 2006 was colored by algae and fungus cells. Yeech!

Still, you can come out from under the blanket. The only danger you face from the bloody bad weather is a mud bath.

~ By  Evelyn Browing Garriss and James J. Garriss

About This Blog

Evelyn Browning Garriss doesn't just blog about the weather forecast; she provides insight on WHY extreme weather is happening--and a heads up on weather to watch out for. A historical climatologist, Evelyn blogs about weather history, interesting facts about the weather, and upcoming climate events that affect your life--from farming to your grocery bill. Every week, we look forward to another great weather column from Evelyn. We encourage our weather watchers to post their comments and questions--and tell us what they think!

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WOW! Certainly a very

WOW! Certainly a very fascinating coincidence!! Thank you for explaining. I hope nothing like this ever happens with a worm moon!

Yes but how can you say it's

Yes but how can you say it's nothing when the sand storm has to be at the time of the eclipse. What are the chances of these two things coming together at the same time.

It certainly was a spooky

It certainly was a spooky coincidence. If I were superstitious, I would be hiding the women, children and grandmother’s silver!

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