Written by Alan Buis
Pasadena, CA – A new study by NASA and several partners has found that in California’s Sierra Nevada, atmospheric river storms are two-and-a-half times more likely than other types of winter storms to result in destructive “rain-on-snow” events, where rain falls on existing snowpack, causing it to melt. Those events increase flood risks in winter and reduce water availability the following summer.
The study, based on NASA satellite and ground-based data from 1998 through 2014, is the first to establish a climatological connection between atmospheric river storms and rain-on-snow events. Partnering with NASA on the study were UCLA; Scripps Institution of Oceanography, San Diego; and the Earth System Research Laboratory, Boulder, Colorado.
Nashville, TN – The National Weather Service (NWS) reports light snow accumulations are possible over Clarksville-Montgomery County and parts of the mid state tonight and freezing temperatures will also arrive.
The atmosphere will remain chocked full of moisture tonight as an upper level disturbance swings southeastward, out of Kentucky, across the mid state. Temperatures tonight will start above the freezing mark.
However, following the passage of the weather disturbance late this evening and overnight, temperatures will fall below the freezing mark.
Nashville, TN – The National Weather Service (NWS) reports that an intense weather system is developing southwest of the mid-state this morning and rain chances ramp up for Clarksville-Montgomery County late this afternoon. An isolated severe weather threat will become possible tonight.
While the majority of severe weather with this system is expected to remain south of Middle Tennessee, storms coming out of Alabama and Mississippi between 10:00pm and 4:00am could present a damaging straight line wind threat for those south of Interstate 40.
AAA finds two-thirds of American motorists are concerned about potholes
Knoxville, TN – As snow and ice begins to melt on roadways, the asphalt becomes compromised. Potholes are formed by water intrusion in the cracks of the asphalt. As a result, the material laid underneath the road softens causing weak spots to collapse under the weight of constant traffic.
AAA cautions drivers to remain alert to avoid pothole damage and urges state and local governments to fully fund and prioritize road maintenance to reduce vehicle damage, repair costs and driver frustration.
Nashville, TN – The National Weather Service has issued a winter weather advisory for Clarksville-Montgomery County as well as Robertson County, Stewart County, and Sumner County until midnight CT tonight, February 14th. The wintry mix will continue near the Kentucky border and in portions of the upper Cumberland tonight.
A light freezing rain is currently falling across Clarksville-Montgomery County creating hazardous road conditions.
Nashville, TN – The National Weather Service (NWS) has issued a winter weather advisory for Clarksville-Montgomery County and the northern half of Middle Tennessee today, February 14th through early Monday morning.
A weather system moving in from the west will spread a wintry mix of snow, sleet and some freezing rain across areas generally along and north of Interstate 40 Sunday and Sunday night before changing to rain.
Clarksville-Montgomery County under Winter Weather Advisory beginning Sunday
Nashville, TN – The National Weather Service (NWS) in Nashville has issued a winter weather advisory for a mixture of snow, sleet and freezing rain which is in effect from noon Sunday, February 14th, 2016 to 6:00am CT Monday for Clarksville-Montgomery County and the north half of Middle Tennessee which includes the upper Cumberland.
Complex weather system moving in from the west will spread a wintry mix of snow, sleet and freezing rain across areas generally along and north of Interstate 40 Sunday and Sunday night.
Nashville, TN – The National Weather Service (NWS) reports very cold air will be in place across Middle Tennessee on Sunday as an approaching storm system causes precipitation to develop.
Light snow will start across the northwest counties Sunday morning, then the precipitation will increase in coverage and intensity across the entire mid state Sunday midday and afternoon. Most locations will see snow, except the far southern counties along the Alabama border, where rain will fall.
Travel could become hazardous Sunday afternoon, especially for areas north of Interstate 40, where freezing surface temperatures are more likely.
Nashville, TN – The National Weather Service (NWS) reports an upper level disturbance will dive southeastward tonight, Thursday February 11th, 2016 and bring a good chance of snow across Clarksville-Montgomery County and the northeastern portion of the mid state.
The snowfall should begin after midnight and continue into Friday. Areas along the central and northern plateau could see between one half and one inch of snow accumulation.
Nashville, TN – The National Weather Service (NWS) reports snow showers have moved into the Clarksville-Montgomery County area and look to continue off to the east during the evening and early overnight hours.
Accumulations will be light, with mainly a dusting up to around a half inch across the area. With continued below freezing temperatures, some slick spots on roadways may develop and may create some hazardous travel conditions.
Use caution when traveling, especially on secondary roads.
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