Weather Alert in Florida
Freeze Watch Red Flag Warning
Freeze Watch issued February 22 at 12:02PM EST until February 24 at 9:00AM EST by NWS Jacksonville FL
AREAS AFFECTED: Coastal Nassau; Coastal Duval; Trout River; South Central Duval; Western Duval
DESCRIPTION: * WHAT...For the Wind Advisory, northwest winds around 20 mph with gusts up to 30 mph. For the Cold Weather Advisory, very cold wind chills as low as 23 expected. For the Freeze Watch, sub-freezing temperatures as low as 28 possible. * WHERE...Coastal Duval, Coastal Nassau, South Central Duval, Trout River, and Western Duval Counties. * WHEN...For the Wind Advisory, until 6 PM EST this evening. For the Cold Weather Advisory, from 4 AM to 9 AM EST Monday. For the Freeze Watch, from late Monday night through Tuesday morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. The cold wind chills as low as 25 degrees could result in hypothermia or frostbite if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure. Appropriate action should be taken to ensure tender vegetation and outdoor pets have adequate protection from the cold temperatures. Young children, the elderly and the homeless are especially vulnerable to the cold. Take measures to protect them.
INSTRUCTION: Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.
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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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