NOAA shows that wind farms affect weather radar, and that affects their primary mission of forecasting and safety

“Chaotic wind velocities associated with the rotating turbine blades triggers the doppler radar mesocyclone detection algorithm” Note: this essay was written by the National Weather Service Forecast Office is Burlington, Vermont and tipped to me by a reader. Vermont’s wind farm acreage pales in comparison to places like the Texas and Oklahoma, where there are…

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Extremely Dangerous Storm Slicing Towards Alaska

From Live Science An extremely dangerous storm is slicing toward northwestern Alaska and is expected to bring blizzard conditions and hurricane-strength winds to the state’s west coast. The storm, which formed from a mix of air masses over an area of ocean prone to spinning up strong storms, could be bigger than anything ever seen…

NOAA: leaving bad data stand in Laredo

From Dr. Roger Pielke Sr.’s Climate Science blog, a story of a poorly sited weather station, followed by leaving in the bad data when it is known to be bad. I’ve located the Laredo airport AWIS, more photos below. Guest Post By Richard Berler Chief Meteorologist KGNS TV Laredo, TX With his permission, Richard Berler  who…

Inside the ASOS HO83 Temp/dewpoint sensor

HO83 ASOS Hygrothermometer (temperature/dewpoint sensor) Much has been written about problems with artificially high temperature readings due to the HO83 aspirated air temperature/dewpoint temperature sensor used on NOAA Automated Surface Observing Stations (ASOS). The most famous problem occurred in Tucson, AZ in the  mid 1980’s where a malfunctioning HO83 unit created dozens of new high…