Weather Alert in New Jersey
Severe Thunderstorm Warning issued June 30 at 4:03PM EDT until June 30 at 4:45PM EDT by NWS Mount Holly NJ
AREAS AFFECTED: Mercer, NJ; Middlesex, NJ; Monmouth, NJ; Somerset, NJ
DESCRIPTION: SVRPHI The National Weather Service in Mount Holly NJ has issued a * Severe Thunderstorm Warning for... Mercer County in central New Jersey... South central Somerset County in northern New Jersey... West central Monmouth County in central New Jersey... Southwestern Middlesex County in northern New Jersey... * Until 445 PM EDT. * At 402 PM EDT, a severe thunderstorm was located over Mercerville-Hamilton Square, or near Trenton, moving northeast at 15 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damage to roofs, siding, trees, and power lines is possible. * Locations impacted include... Trenton, South Brunswick, Ewing, Princeton, Jamesburg, Hightstown, Cranbury, Pennington, Yardley, Allentown, Roosevelt, Rocky Hill, Princeton Meadows, Windsor, Kingston, Dayton, Plainsboro Center, Belle Mead, Clearbrook Park, and White Horse.
INSTRUCTION: For your protection move to an interior room on the lowest floor of a building. In addition to large hail and damaging winds, frequent cloud to ground lightning is occurring with this storm. Move indoors immediately. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
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Weather Topic: What are Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
Weather Topic: What are Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
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