Weather Alert in North Carolina
High Surf Advisory issued August 3 at 4:16AM EDT until August 4 at 12:00AM EDT by NWS Newport/Morehead City NC
AREAS AFFECTED: Hatteras Island
DESCRIPTION: * WHAT...For the High Surf Advisory, large breaking waves of 4 to 9 feet in the surf zone. For the Beach Hazards Statement, dangerous rip currents, large breaking waves expected, and strong longshore currents in the surf zone. For the Coastal Flood Advisory, 1 to 2 feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE....For the High Surf advisory, the beaches north of Cape Hatteras. For the Beach Hazards Statement, all Hatteras Island beaches. For the Coastal Flood Advisory, oceanside areas of Hatteras Island. * WHEN...For the High Surf Advisory, until midnight EDT tonight. For the Beach Hazards Statement, through this evening. For the Coastal Flood Advisory, from 2 PM this afternoon to 8 PM EDT this evening. * IMPACTS...A Coastal Flood Advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. Dangerous shore break can throw a swimmer or surfer head first into the bottom causing neck and back injuries. Strong longshore currents will create dangerous swimming conditions. * ADDITIONAL DETAILS...The most likely time for strong rip currents to occur is a couple hours either side of low tide, which will occur around 9:00 AM this morning..
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, such as life-threatening rip currents, shore break and strong longshore currents.
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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
Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
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