Weather Alert in North Carolina
High Surf Advisory issued August 18 at 4:30AM EDT until August 23 at 12:00AM EDT by NWS Newport/Morehead City NC
AREAS AFFECTED: East Carteret; Northern Outer Banks; Ocracoke Island; Hatteras Island
DESCRIPTION: * WHAT...For the Beach Hazards Statement, dangerous rip currents. For the High Surf Advisory, large breaking waves of 15 to 20+ feet expected in the surf zone. For the Coastal Flood Watch, significant oceanside inundation above ground level likely in low- lying areas near shorelines and tidal waterways. * WHERE...East Carteret County, and Northern Outer Banks, Ocracoke Island and Hatteras Island. * WHEN...For the Beach Hazards Statement, through this evening. For the High Surf Advisory, from noon Tuesday to midnight EDT Friday night. For the Coastal Flood Watch, from Tuesday afternoon through Friday evening. * IMPACTS...Extreme beach and coastal damage is likely along the oceanside, resulting in a significant threat to life and property. Large dangerous waves will likely inundate and destroy protective dune structures. Severe flooding will likely extend inland from the waterfront causing flooding of many homes and businesses with some structural damage possible. Numerous roads will likely be impassable under several feet of water and vehicles will likely be submerged. Actions will need to be taken to protect life and property. Very dangerous swimming and surfing conditions expected, as well as the wave action resulting in significant beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...This is expected to be a prolonged duration event, with the potential for portions of NC-12 and secondary roads along the Outer Banks, in particular on Hatteras and Ocracoke Islands, to be impassable and/or inaccessible for several days due to significant wave run up and overwash. Minor soundside flooding will also be possible if stronger winds develop over the Pamlico Sound.
INSTRUCTION: If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Life-threatening rip currents. If caught in a rip current, remain calm. Swim in a direction following the shoreline. If tired, float or tread water until out of the rip current. If unable to escape, face the shore and call or wave for help.
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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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