Weather Alert in Montana
Flood Watch issued April 28 at 2:36AM MDT until April 28 at 6:00PM MDT by NWS Billings MT
AREAS AFFECTED: Northern Stillwater; Northern Park; Red Lodge Foothills; Paradise Valley; Livingston Area; Beartooth Foothills; Absaroka/Beartooth Mountains; Crazy Mountains; Southeastern Carbon; Northern Sweet Grass; Northern Carbon; Melville Foothills
DESCRIPTION: * WHAT...Flooding caused by rain and snowmelt continues to be possible, but the threat of higher end impacts has decreased. * WHERE...A portion of south central Montana, including the following areas, Absaroka/Beartooth Mountains, Beartooth Foothills, Crazy Mountains, Livingston Area, Melville Foothills, Northern Carbon, Northern Park, Northern Stillwater, Northern Sweet Grass, Paradise Valley, Red Lodge Foothills and Southeastern Carbon. * WHEN...Through this afternoon. * IMPACTS...Excessive runoff may result in flooding of streams and other low-lying and flood-prone locations close to the foothills. Some roads may become impassable. Any heavy rainfall over the American Fork or Robertson Draw burn areas could result in Flash Flooding and Debris Flows. * ADDITIONAL DETAILS... - Heavy rainfall fell just off the snowpack last afternoon and evening. Temperatures are beginning to cool over the higher terrain turning rain to snow over the higher foothills. This will limit the higher end impact potential that was previously anticipated. However, there remains the threat of at least minor flooding in the foothills due to heavy rain that fell earlier tonight combined with continued light to moderate rainfall that is forecast through this morning. Several stream gages are rising rapidly north of Red Lodge due to this runoff. A gauge near Fishtail reported around 3 inches of rain so far. - http://www.weather.gov/safety/flood
INSTRUCTION: You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
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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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