Weather Alert in Arizona
Severe Thunderstorm Warning issued August 21 at 4:05PM MST until August 21 at 5:00PM MST by NWS Tucson AZ
AREAS AFFECTED: Graham, AZ; Greenlee, AZ
DESCRIPTION: SVRTWC The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... East Central Graham County in southeastern Arizona... Central Greenlee County in southeastern Arizona... * Until 500 PM MST. * At 405 PM MST, a severe thunderstorm was located 9 miles northeast of Clifton, moving southwest at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Clifton, Morenci, York, Guthrie and Three Way. This includes the following highways... Route 78 between mile markers 155 and 174. Route 191 between mile markers 144 and 193. Route 75 between mile markers 386 and 398.
INSTRUCTION: Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. Continuous cloud to ground lightning is occurring with this storm. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning.
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Weather Topic: What is Condensation?
Home - Education - Precipitation - Condensation
Next Topic: Contrails
Condensation is the process which creates clouds, and therefore
it is a crucial process in the water cycle.
Condensation is the change of matter from a state of gas into a state of liquid,
and it happens because water molecules release heat into the atmosphere and
become organized into a more closely packed structure, what we might see as
water droplets.
Water is always present in the air around us as a vapor, but it's too small for
us to see. When water undergoes the process of condensation it becomes organized
into visible water droplets. You've probably seen condensation happen before on the
surface of a cold drink!
Next Topic: Contrails
Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
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