Weather Alert in Virginia
High Wind Watch issued February 5 at 1:07PM EST until February 7 at 7:00PM EST by NWS Baltimore MD/Washington DC
AREAS AFFECTED: Northern Virginia Blue Ridge; Central Virginia Blue Ridge
DESCRIPTION: * WHAT...For the High Wind Watch, northwest winds 25 to 35 mph with gusts up to 65 mph possible. For the Extreme Cold Warning, dangerously cold wind chills as low as 20 to 30 degrees below zero expected. * WHERE...Central Virginia Blue Ridge and Northern Virginia Blue Ridge. * WHEN...For the High Wind Watch, from late Friday night through Saturday evening. For the Extreme Cold Warning, from 4 AM Saturday to 10 AM EST Sunday. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. The cold wind chills as low as 15 below zero could result in hypothermia or frostbite if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.
INSTRUCTION: Monitor the latest forecasts and warnings for updates. Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
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Weather Topic: What is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
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