Weather Alert in Idaho
Hydrologic Outlook issued March 11 at 10:22AM MDT by NWS Missoula MT
AREAS AFFECTED: Clearwater, ID; Idaho, ID
DESCRIPTION: ESFMSO Idaho and Clearwater Counties A prolonged Atmospheric River is expected to impact north central Idaho through Saturday, bringing moderate to heavy precipitation. Snow levels will be ranging from 3000 to 6000 feet during the event. The most likely rainfall scenario forecasts 1.25 to 2.75 inches for the valleys of Idaho and Clearwater counties in north central Idaho, and 3.00 to 5.00 inches expected in the mountains, but precipitation will be mainly in the form of snow of 2 to 6 feet. The rainfall will increase the risk of rock and landslides across north central Idaho. Continue to monitor the latest forecast updates as this system approaches.
INSTRUCTION: N/A
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Weather Topic: What is Hail?
Home - Education - Precipitation - Hail
Next Topic: Hole Punch Clouds
Hail is a form of precipitation which is recognized by large solid balls or
clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind.
As the hailstones remain in the updraft, ice is deposited onto them until their
weight becomes heavy enough for them to fall to the earth's surface.
Hail storms can cause significant damage to crops, aircrafts, and man-made structures,
despite the fact that the duration is usually less than ten minutes.
Next Topic: Hole Punch Clouds
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
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