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Get the Cedar Rapids, IA local weather forecast by the hour and the next 10 days.
Severe weather has been blasting parts of Iowa, South Dakota, Minnesota, Michigan, Wisconsin and Nebraska. USA TODAY 2 days ago 6 years after wildfire destroyed Paradise, Calif., new blaze flares ...
The primary threats for severe weather on Thursday are damaging winds and large hail, the NWS said. A tornado or two is possible. The severe weather outlook in the state ranges from marginal risk ...
National Weather Service Quad Cities is a National Weather Service forecast office. weather forecast office based in Davenport, Iowa. [1] It is tasked with providing weather and emergency information to 21 counties in east-central and southeast Iowa, 13 counties in northwest and west-central Illinois, and two counties in extreme northeast Missouri.
Weather-sensing radar systems. Weather radars can resemble search radars. This radar uses radio waves along with horizontal, dual (horizontal and vertical), or circular polarization. The frequency selection of weather radar is a performance compromise between precipitation reflectivity and attenuation due to atmospheric water vapor.
Doppler effect. The emitted signal toward the car is reflected back with a variation of frequency that depends on the speed away/toward the radar (160 km/h). This is only a component of the real speed (170 km/h). The Doppler effect (or Doppler shift), named after Austrian physicist Christian Doppler who proposed it in 1842, is the difference ...
The weather service's Storm Prediction Center issued a tornado watch for far western Iowa counties around 11:15 a.m. Tuesday. A second watch, issued around 1:15 p.m. covered the rest of the state.
April 9, 1991. Southern Great Lakes Derecho of 1991. July 7–8, 1991. Pakwash Forest Blowdown. July 18, 1991. near Ear Falls, Ontario – 191,400 hectares of forest blown down, in a line some 40 km (25 mi) long. Post-damage survey estimated peak wind speeds of over 100 mph (160 km/h) [8] 1993 Storm of the Century.