Weather Alert in Minnesota
Special Weather Statement issued July 4 at 6:08AM CDT by NWS Duluth MN
AREAS AFFECTED: North St. Louis; Northern Cook/Northern Lake
DESCRIPTION: Strong to severe thunderstorms are expected to affect the Boundary Waters Canoe Area Wilderness late this afternoon and tonight. The storms may produce gusty winds, large hail, frequent cloud- to- ground lightning, and locally heavy rainfall. Thunderstorms could happen as early as 2 PM this afternoon with the most likely time for thunderstorms between 6 PM to 11 PM tonight. Now is the time to prepare in case thunderstorms threaten. Campers should take extra precautions in order to secure campsites and make a plan in case of severe weather. In case of lightning, sit on your personal floatation devices or sleeping pads to minimize your risk to lightning. Monitor NOAA Weather Radio for updates and possible warnings.
INSTRUCTION: N/A
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Weather Topic: What are Altocumulus Clouds?
Home - Education - Cloud Types - Altocumulus Clouds
Next Topic: Altostratus Clouds
Similar to cirrocumulus clouds, altocumulus clouds are
characterized by cloud patches. They are distinguished by larger cloudlets
than cirrocumulus clouds but are still smaller than stratocumulus clouds.
Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km)
and may resemble, at times, the shape of a flying saucer.
These uncommon formations, called altocumulus lenticularis, are created by uplift
in the atmosphere and are most often seen in close proximity to mountains.
Next Topic: Altostratus Clouds
Weather Topic: What are Cirrocumulus Clouds?
Home - Education - Cloud Types - Cirrocumulus Clouds
Next Topic: Cirrostratus Clouds
Cirrocumulus clouds form at high altitudes (usually around 5 km)
and have distinguishing characteristics displayed in a fine layer of
small cloud patches. These small cloud patches are sometimes referred to as
"cloudlets" in relation to the whole cloud formation.
Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the
water droplets in the cloud freeze into ice crystals and the cloud becomes a
cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud
formations generally pass rapidly.
Next Topic: Cirrostratus Clouds
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