Weather Alert in Idaho
High Wind Watch issued February 23 at 4:56PM MST until February 25 at 8:00PM MST by NWS Pocatello ID
AREAS AFFECTED: Shoshone/Lava Beds; Arco/Mud Lake Desert; Upper Snake River Plain; Lower Snake River Plain; Eastern Magic Valley; Southern Hills/Albion Mountains; Raft River Region; Marsh and Arbon Highlands; Blackfoot Mountains; Caribou Range
DESCRIPTION: * WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake Desert, Blackfoot Mountains, Caribou Range, Lower Snake River Plain, Marsh and Arbon Highlands, Raft River Region, Southern Hills/Albion Mountains, and Upper Snake River Plain. * WHEN...From late Tuesday night through Wednesday evening. * IMPACTS...Travel could be difficult, especially for high profile vehicles. Isolated damage to trees, powerlines, signs, and outbuildings is possible, along with isolated power outages. Loose outdoor objects could be blown around.
INSTRUCTION: Monitor the latest forecasts and warnings for updates on this situation. Secure loose objects or shelter objects in a safe location prior to the onset of winds. Drivers of high profile vehicles should consider scheduling travel outside the period of expected high winds.
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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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