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  2. After a long lull, Covid-19 levels are surging in the US - AOL

    www.aol.com/long-lull-covid-19-levels-113003941.html

    Hoerger runs a Covid-19 forecasting model that pulls heavily from the CDC wastewater surveillance data, and his estimates suggest that without any testing or isolation policies in place, there was ...

  3. Atmospheric pressure - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_pressure

    Atmospheric pressure, also known as air pressure or barometric pressure (after the barometer), is the pressure within the atmosphere of Earth. The standard atmosphere (symbol: atm) is a unit of pressure defined as 101,325 Pa (1,013.25 hPa ), which is equivalent to 1,013.25 millibars , [ 1 ] 760 mm Hg , 29.9212 inches Hg , or 14.696 psi . [ 2 ]

  4. Hurricane Zeta - Wikipedia

    en.wikipedia.org/wiki/Hurricane_Zeta

    At 00:00 UTC on October 15, the National Hurricane Center (NHC) began to monitor the southern Caribbean Sea for the possible development of a broad area of low pressure over the region. [3] A large area of unsettled weather developed over the southwestern Caribbean by October 19 due to the combination of a tropical wave and a trough of

  5. U.S. Standard Atmosphere - Wikipedia

    en.wikipedia.org/wiki/U.S._Standard_Atmosphere

    Comparison of the 1962 US Standard Atmosphere graph of geometric altitude against air density, pressure, the speed of sound and temperature with approximate altitudes of various objects. [ 1 ] The U.S. Standard Atmosphere is a static atmospheric model of how the pressure , temperature , density , and viscosity of the Earth's atmosphere change ...

  6. CDC: Flu Activity Is High. Here’s How To Track It - AOL

    www.aol.com/news/cdc-flu-activity-high-track...

    800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. ... The CDC is also tracking COVID-19 and respiratory syncytial virus (RSV) activity on a weekly basis. ... In Other News.

  7. Pressure system - Wikipedia

    en.wikipedia.org/wiki/Pressure_system

    Map of pressure systems across North America. A pressure system is a peak or lull in the sea level pressure distribution, a feature of synoptic-scale weather.The surface pressure at sea level varies minimally, with the lowest value measured 87 kilopascals (26 inHg) and the highest recorded 108.57 kilopascals (32.06 inHg).

  8. Get the Boydton, VA local weather forecast by the hour and the next 10 days.

  9. Col (meteorology) - Wikipedia

    en.wikipedia.org/wiki/Col_(meteorology)

    A col, also called saddle point or neutral point, is in meteorology, the point of intersection of a trough and a ridge in the pressure pattern of a weather map. It takes the form of a saddle where the air pressure is relatively higher than that of the low-pressure regions, but lower than that of the anticyclonic zones. [1]