Nice now, but changes are coming

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Weather Headlines

–A nice weekend to get outside!

–Unsettled hot & humid weather will bring a better chance for scattered storms next week.

–Check out that nearly-Full Moon this weekend!

Main threats

No significant threats in sight.

Summary

We are in store for a very hot and humid weekend. Be careful if you’re out in the afternoon heat. We have only a slight chance for a storm Sunday afternoon but that looks quite slim now.

As we head into next week, the pattern becomes a bit more unsettled. That will lead to better chances for rain and storms.

Almanac

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7-Day forecast

7sY2

One year ago today

The high only reached 81 degrees, after a humid morning low of 69. Half an inch of rain fell, likely keeping those afternoon highs in check.

Records

The deadliest hurricane in US history hit Galveston, Texas in 1900. The death toll is estimated to be between 6-12,000 people. Black folks weren’t counted, so that throws off the stats.

Fifteen years later, on August 17, the city would be tested again. This time, seawalls had been constructed and the islands elevation raised (what a task!). A hurricane hit the city with 120 mph winds and a 12-foot storm surge. The storm killed 275 (big difference from 1900’s numbers!) and destroyed many homes. Of the 250 homes outside the seawall, only 10% remained standing.

Today is also the anniversary of the landfall of Hurricane Camille (1969). The cat 5 hurricane, one of only four cat 5s to ever strike the US, brought winds up to 190 mph to the Mississippi Gulf Coast. The storm surge was 24.6 feet! Storm surge is the wall of water that moves inland with the hurricane.  Some ships were carried seven miles inland on that surge! At least 256 lives were lost.

Interestingly, of the 256 lives lost, 159 were killed in West Virginia. As the storm moved north and then east, it encountered the Appalachian Mountains and brought catastrophic flash floods to that state. Entire mountain communities were simply swept away by creeks and streams that became raging torrents of rushing waters.

Tropics

Hey, there’s finally a little something to talk about! A disturbance off the Southeast coast is being monitored. Chances for development are slim and it’s headed out to sea. Still, this is the first thing we’ve had to mention in several weeks. The quite hurricane season continues.

While this system may not develop into a storm (it has a 20% chance), it will bring very heavy rainfall to the Southeast coast that will likely lead to dangerous flooding issues.

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WeatherTAP WeatherFACT

The most snowfall ever experienced within a one-year period of time was 1,224 inches on Mount Rainier in Washington State. That snow fell between February 19, 1971 and February 18, 1972. Sure would be nice if Crossville could break that record, right? Right? Hello? (haha)

Today’s WeatherTAP WeatherWORD

Today’s word is….VIRGA!

Virga is precipitation that evaporates before it hits the ground. The atmosphere is in layers, from the surface on up to the tops of the clouds. Some of those higher levels may be moist enough to support precipitation, while the lower-most layers are too dry. Meteorologist often divide the atmosphere into layers for about every 5,000 feet.

Dry surface air can lead to snow and/or rain evaporating before they hit the ground. In summer months, storms may develop, especially across the western US, and the air at the surface dries up most of their rainfall. However, that does not keep lightning strikes from making it to the ground. This can set off lots of wildfires!

In winter time, the surface air may be too cold and dry to support the snow that is falling from the clouds (though it can’t get too cold to snow!). Cold air can’t hold moisture well. This cold, dry air can evaporate snowflakes, which are 90% air, as they fall through that bone dry air.

In the image below, notice that you can see the rain falling from the clouds, but the droplets evaporate in the drier air below.

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News

Be sure and mark your calendars for September 21st! It’s time for the 2nd annual Mayland Senior Center fundraiser, hosted by yours truly. Last year was a great time and this year will be even better! We’ve had a hard year, after being swindled by a roofer out of thousands of dollars. We finally got our roof but we could sure use some help with our fund balance! Come on out and have a great time supporting a wonderful part of our community!

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YOU ALL HAVE A GREAT DAY!

7sY2

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