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Topic: Ice

NASA’s Mars Exploration Rover Opportunity continues to make discoveries on Mars

 

NASA Headquarters

NASA - National Aeronautics and Space AdministrationWashington, D.C. – NASA’s Mars Exploration Rover Opportunity keeps providing surprises about the Red Planet, most recently with observations of possible “rock stripes.”

The ground texture seen in recent images from the rover resembles a smudged version of very distinctive stone stripes on some mountain slopes on Earth that result from repeated cycles of freezing and thawing of wet soil. But it might also be due to wind, downhill transport, other processes or a combination.

Textured rows on the ground in this portion of "Perseverance Valley" are under investigation by NASA's Mars Exploration Rover Opportunity, which used its Navigation Camera to take the component images of this downhill-looking scene. The rover reaches its 5,000th Martian day, or sol, on Feb. 16, 2018. (NASA/JPL-Caltech)

Textured rows on the ground in this portion of “Perseverance Valley” are under investigation by NASA’s Mars Exploration Rover Opportunity, which used its Navigation Camera to take the component images of this downhill-looking scene. The rover reaches its 5,000th Martian day, or sol, on Feb. 16, 2018. (NASA/JPL-Caltech)

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Dodging the Roadkill: Cabin Fever

 

Dodging the Roadkill - A Biker's JourneyClarksville, TN – I’ve been dealing with a major winter snowstorm here in Middle Tennessee. We’ve had a couple of inches of ice, and now a few inches of snow.

It’s treacherous.

My friends who actually LIVE in harsh winter weather, just sit back a chuckle at us southerners, and I don’t blame them. We’re just not built for this.

That means I’m dealing with cabin fever. I’ve spent the entire day watching YouTube videos about motorcycles, motorcycle trips and various motorcycle infomercials. Now I want to ride. But can’t!

Winter Snowstorm

Winter Snowstorm

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NASA’s Mars Reconnaissance Orbiter discovers eroding slopes with exposed Ice

 

Written by Laurie Cantillo / Dwayne Brown
NASA Headquarters

NASA - National Aeronautics and Space AdministrationWashington, D.C. – Researchers using NASA’s Mars Reconnaissance Orbiter (MRO) have found eight sites where thick deposits of ice beneath Mars’ surface are exposed in faces of eroding slopes.

These eight scarps, with slopes as steep as 55 degrees, reveal new information about the internal layered structure of previously detected underground ice sheets in Mars’ middle latitudes.

The ice was likely deposited as snow long ago.

A cross-section of underground ice is exposed at the steep slope that appears bright blue in this enhanced-color view from the HiRISE camera on NASA's Mars Reconnaissance Orbiter. The scene is about 550 yards wide. The scarp drops about 140 yards from the level ground in the upper third of the image. (NASA/JPL-Caltech/UA/USGS)

A cross-section of underground ice is exposed at the steep slope that appears bright blue in this enhanced-color view from the HiRISE camera on NASA’s Mars Reconnaissance Orbiter. The scene is about 550 yards wide. The scarp drops about 140 yards from the level ground in the upper third of the image. (NASA/JPL-Caltech/UA/USGS)

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Clarksville Police announces Winter Weather accident numbers

 

Clarksville Police Department - CPDClarksville, TN – Clarksville Police say there have been no reports of major road closures Saturday morning but, that doesn’t mean the roads are totally clear or that it is a good idea to be on the roadway, unless you absolutely have to be.

The road crews are working hard to clear the over 700 plus miles of road in Clarksville-Montgomery County, but there are still a lot of icy and treacherous road conditions.

A lot of roads in Clarksville-Montgomery County remain hazardous today.

A lot of roads in Clarksville-Montgomery County remain hazardous today.

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City of Clarksville Departments work the Winter Storm

 

Clarksville Police report 22 vehicle crashes since 5:00am, Friday

City of Clarksville - Clarksville, TNClarksville, TN – City of Clarksville Government offices were closed Friday because of the winter storm that brought ice, snow and hazardous travel conditions to Middle Tennessee.

But the City’s street, transportation and public safety departments remained fully staffed and engaged to provide services and protection to Clarksville residents.

Clarksville City Hall

Clarksville City Hall

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Dangerous Travel Conditions Tonight for Clarksville-Montgomery County due to Snow and Ice

 

National Weather ServiceNashville, TN – The National Weather Service reports that as a result of the ice and snow that fell across Clarksville-Montgomery County and Middle Tennessee today, dangerous travel conditions have developed tonight, especially along and north of I-40 where the most ice and snow fell.

With temperatures falling into the teens overnight, any snow, ice, or water remaining on roadways will freeze creating very hazardous driving conditions. Dozens of vehicle accidents have already occurred today with portions of I-40, I-24, and I-65 west and north of Nashville closed.

Hazardous road conditions exist tonight across Clarksville-Montgomery County.

Hazardous road conditions exist tonight across Clarksville-Montgomery County.

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Montgomery County Government offices close Friday

 

Montgomery County Government TennesseeMontgomery County, TN – Montgomery County Offices will be closed today, Friday, January 12th, 2018 due to Winter Storm in the area.

Road conditions are expected to worsen all day.

Please be safe everyone.

Office Closed

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City of Clarksville offices closed Friday

 

Winter storm brings ice, snow to region

City of Clarksville - Clarksville, TNClarksville, TN – Clarksville City Government offices will be closed Friday, January 12th, 2018 because of the winter storm that is bringing ice and snow and hazardous travel conditions to Middle Tennessee, Clarksville Mayor Kim McMillan announced.

City offices also will be closed Monday as scheduled to observe the national Martin Luther King Day Holiday.

Clarksville City Hall

Clarksville City Hall

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City of Clarksville offices to open at 10:00am Friday

 

City leaders continue to evaluate impact of winter storm

City of Clarksville - Clarksville, TNClarksville, TN – Clarksville City Government offices will open at 10:00am Friday, January 12th, 2018 — two hours later than normal — as City leaders continue to evaluate the impact of the winter storm that is forecast to bring ice and snow to our area.

If weather conditions worsen this morning, Clarksville Mayor Kim McMillan may choose to close City Offices for the day.

Clarksville City Hall

Clarksville City Hall

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Clarksville Street Department prepared for Winter Storm

 

Fleet of 30 trucks ready to spread salt, clear roadways

City of Clarksville - Clarksville, TNClarksville, TN – The Clarksville Street Department on Thursday prepared its equipment and workforce to battle the wintry mix of ice and snow forecast to hit the area on Friday morning.

Scott Bibb, Street Department Operations Manager, said Thursday that the department has 24 dump trucks fitted with snow plows and salt boxes, and six lighter trucks with similar equipment, ready to hit the streets Friday morning, as necessary.

Clarksville City Hall

Clarksville City Hall

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