Weather Alert in Iowa
Flash Flood Warning issued July 11 at 7:39PM CDT until July 12 at 4:00AM CDT by NWS Quad Cities IA IL
AREAS AFFECTED: Scott, IA; Rock Island, IL
DESCRIPTION: FFWDVN The National Weather Service in Quad Cities has extended the * Flash Flood Warning for... Southern Scott County in east central Iowa... Rock Island County in northwestern Illinois... * Until 400 AM CDT Saturday. * At 739 PM CDT, local law enforcement reported life threatening flash flooding of many roads, including main thoroughfares, in and near Davenport. There were numerous stalled vehicles as well as flooded first floors of residences and businesses. Duck Creek and Goose Creek are both well over their banks. Between 2 and 4 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are expected in the warned area, with indications the major flooding will persist into the overnight, so the Warning has been extended. This is a FLASH FLOOD EMERGENCY for Davenport and Bettendorf. This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW! HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Law enforcement reported. IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW! Life threatening flash flooding of low water crossings, small creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Davenport, Moline, Rock Island, Bettendorf, East Moline, Silvis, Le Claire, Hampton, Port Byron, Blue Grass, Buffalo, Rapids City, Riverdale, Panorama Park, Rock Island Arsenal, Mississippi Valley Fairgrounds, Credit Island, West Lake Park, and Campbells Island. This includes the following streams and drainages... Black Hawk Creek, Mud Creek, Sand Creek, Walnut Creek, Duck Creek, Silver Creek, Zuma Creek, Sugar Creek, Bud Creek, Rock River, Spencer Creek and Goose Creek.
INSTRUCTION: Move to higher ground now! This is an extremely dangerous and life-threatening situation. Do not attempt to travel unless you are fleeing an area subject to flooding or under an evacuation order. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
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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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