Weather Alert in Arkansas
Severe Thunderstorm Warning issued March 7 at 6:01AM CST until March 7 at 6:45AM CST by NWS Little Rock AR
AREAS AFFECTED: Montgomery, AR; Polk, AR; Scott, AR
DESCRIPTION: SVRLZK The National Weather Service in Little Rock has issued a * Severe Thunderstorm Warning for... Southeastern Scott County in western Arkansas... Northeastern Polk County in western Arkansas... Northwestern Montgomery County in western Arkansas... * Until 645 AM CST. * At 601 AM CST, severe thunderstorms were located along a line extending from near Waldron to 9 miles northeast of Mena, moving east at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Cardiff... Y City... Union Hill... Nola... Needmore... Olio... Cedar Creek... Harvey... Boles... Parks...
INSTRUCTION: A Tornado Watch remains in effect until 800 AM CST for western Arkansas. For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until 800 AM CST for western Arkansas.
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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
Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
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