air alert


Also found in: Dictionary, Thesaurus.

air alert

A state of alertness on the part of an air-crew for meeting an air attack or for engaging in some other action, marked by getting into the air ready for immediate response to an order. The pilots may be in cockpit readiness or on standby to get into action in 2, 5, 15, or 30 min or any other specified period.
References in periodicals archive ?
Exposure to environmental information, through the air alerts, is modeled to occur in the period immediately preceding 1995.
In the table, the relocating household remaining in an area with frequent air alerts may be the most responsive to differences in environmental quality.
The household remaining within an area with fewer air alerts may be more informed of local conditions but less sensitive to environmental amenities.
(13) The logit specification uses interaction terms to estimate separate air quality effects for households relocating within the same urban area, migrating from a high information area (with many air alerts), and migrating from a low information area.
The designations are determined by the areas' estimated frequency of air alerts over 1991-1995.
The forum held under the theme "atmospheric phenomena and the role of media in society," discussed a number of topics such as development of flyers and air alerts presented to different sectors, while Abdulaziz Al-Qarawi of Kuwaiti Meteorology addressed the role of media in natural disaster.
Kaohsiung City was ranked as having the worst levels of PM2.5 air pollution out of all cities and counties in Taiwan last year, even though the city experienced a 24 decrease in unhealthy air alerts over the previous year, according to the Environmental Protection Administration (EPA).
In terms of the ranking by cities and counties in Taiwan, Kaohsiung had the most unhealthy air alerts, with 702 orange alerts and 124 red alerts, for a total of 826.
Taichung rounded out the top five, with 122 unhealthy air alerts, however this was a decrease of 25 compared to the 147 alerts seen the previous year.
Although Taoyuan City saw six fewer unhealthy air alerts than the 118 reported the previous year, it still jumped up from eight to sixth place on the list.
Flag-waving crowds jammed the streets of Geneva but two air alerts in the Swiss city of Berne meant celebrations were withheld until the official announcements.
The EPA issued red air alerts in Pingtung, Chaozhou, Daliao, Nanzi, Renwu, Zuoying, Qianjin, and Qianzhen, all of which exceeded an AQI level of 150.

Full browser ?