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 is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
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