Weather Alert in Florida
Frost Advisory issued February 23 at 11:13PM EST until February 25 at 8:00AM EST by NWS Jacksonville FL
AREAS AFFECTED: Suwannee; Baker; Inland Nassau; Union; Bradford; Gilchrist; Inland Flagler; Eastern Hamilton; Eastern Clay; Eastern Alachua; Eastern Putnam; Eastern Marion; Western Hamilton; Western Clay; Western Alachua; Western Putnam; Central Marion; Northern Columbia; Western Marion; Southeastern Columbia; Western Duval; Southwestern Columbia; Southern Inland St. Johns; Western St. Johns
DESCRIPTION: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 26 expected. For the Cold Weather Advisory, very cold wind chills as low as 23 expected. For the Frost Advisory, temperatures as low as 33 will result in frost formation. * WHERE...Portions of northeast and northern Florida. * WHEN...For the Freeze Warning and Cold Weather Advisory, until 9 AM EST Tuesday. For the Frost Advisory, from 2 AM to 8 AM EST Wednesday. * IMPACTS...The cold wind chills as low as 25 degrees could result in hypothermia or frostbite if precautions are not taken. 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. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
INSTRUCTION: Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Take steps now to protect tender plants from the cold.
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Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
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