Weather Alert in Oregon
Flood Advisory issued July 9 at 5:42PM MDT until July 9 at 8:45PM MDT by NWS Boise ID
AREAS AFFECTED: Malheur, OR
DESCRIPTION: * WHAT...Small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast Oregon, including the following county, Malheur. * WHEN...Until 845 PM MDT. * IMPACTS...Rises in small streams and normally dry washes and arroyos. * ADDITIONAL DETAILS... - At 542 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause small stream flooding. Between 1 and 2 inches of rain have fallen. - This includes the following streams and drainages... Low Line Ditch, Willow Creek, Cow Creek, Pole Creek, High Line Ditch, Becker Creek and Black Creek. - Some locations that may experience flooding include... Highway 26 between Brogan and Ironside. - https://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Dry washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall.
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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.
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Weather Topic: What is Drizzle?
Home - Education - Precipitation - Drizzle
Next Topic: Evaporation
Drizzle is precipitation in the form of water droplets which are
smaller than raindrops.
Drizzle is characterized by fine, gently falling droplets and typically does not
impact human habitation in a negative way. The exception to this is freezing drizzle,
a condition where drizzle freezes immediately upon reaching earth's surface.
Freezing drizzle is still less dangerous than freezing rain, but can
potentially result in hazardous road conditions.
Next Topic: Evaporation
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