Weather Alert in Oklahoma
Severe Thunderstorm Warning issued April 29 at 4:03AM CDT until April 29 at 4:45AM CDT by NWS Norman OK
AREAS AFFECTED: Alfalfa, OK; Garfield, OK; Grant, OK
DESCRIPTION: SVROUN The National Weather Service in Norman has issued a * Severe Thunderstorm Warning for... Southeastern Alfalfa County in northwestern Oklahoma... Southwestern Grant County in northern Oklahoma... Northwestern Garfield County in northern Oklahoma... * Until 445 AM CDT. * At 403 AM CDT, a severe thunderstorm was located 4 miles southeast of Nash, moving east at 40 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Helena, Pond Creek, Goltry, Jet, Nash, Hillsdale, and Jefferson.
INSTRUCTION: For your protection move to an interior room on the lowest floor of a building.
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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
Weather Topic: What is Evaporation?
Home - Education - Precipitation - Evaporation
Next Topic: Fog
Evaporation is the process which returns water from the earth
back to the atmosphere, and is another crucial process in the water cycle.
Evaporation is the transformation of liquid into gas, and it happens because
molecules are excited by the application of energy and turn into vapor.
In order for water to evaporate it has to be on the surface of a body of water.
Next Topic: Fog
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