Weather Alert in North Carolina
Coastal Flood Watch issued August 18 at 4:30AM EDT until August 21 at 8:00PM EDT by NWS Newport/Morehead City NC
AREAS AFFECTED: West Carteret; Coastal Onslow
DESCRIPTION: * WHAT...For the High Surf Advisory, large breaking waves of 7 to 12 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...West Carteret and Coastal Onslow Counties. * WHEN...For the High Surf Advisory, from noon Tuesday to 8 PM EDT Thursday. For the Coastal Flood Watch, from Tuesday afternoon through Thursday evening. * IMPACTS...Moderate to potentially significant inundation above ground level along the oceanside. Large waves will likely cause severe beach and coastal damage. Waves will likely severely damage dune structures in some areas. This will likely result in damage to property along the oceanside including some property located immediately behind dune structures. Actions should 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 some roads along the immediate coast to be impassable at times, especially around times of high tide. Areas of greatest concern: North Topsail Beach to Atlantic Beach.
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. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
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Weather Topic: What are Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
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