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ASOS DTS-1 dew point sensor. In contrast, the dew point measurement is considerably more complex. The original dew point sensor deployed on ASOS systems utilized a chilled mirror that is cooled to the point where a fine film of condensation forms on the mirror's surface. The temperature of the mirror at this condition is equal to the dew point ...
The dew point temperature equals the air temperature when the air is saturated with water; in all other cases the dew point will be less than the air temperature. [ 6 ] : 129 In technical terms, the dew point is the temperature at which the water vapor in a sample of air at constant barometric pressure condenses into liquid water at the same ...
The official record high for Chicago for July 11 is also from 1936—but is recorded as just 97 °F (36 °C). Further west in what would today be the near and far suburbs (e.g. DuPage County and westward), temperatures reached a blistering 110 °F (43 °C) or still higher at points during this massive heat wave. These extreme temperatures are ...
Fox Weather 2 hours ago The Daily Weather Update from FOX Weather: South braces for possible 'significant' severe weather threat. Top weather news for Thursday, Feb. 27, 2025: The chances of a ...
“Dense fog continues across the area this morning, but is expected to gradually improve going into this afternoon,” US National Weather Service Chicago Illinois said in a Facebook post ...
10 ° F-12 ° C Dew Point. ... Hawaii volcano produces tall lava fountaining in latest episode of Kilauea eruption ... Dangerous ice storm to impact travel from Chicago to Boston. Top weather news ...
A typical METAR contains data for the airport identifier, time of observation, wind direction and speed, visibility, current weather phenomena such as precipitation, cloud cover and heights, temperature, dew point, and barometric pressure. This information forms the body of the report, consisting a maximum of 11 groups of information.
Highest dew point temperature: A dew point of 35 °C (95 °F) — while the temperature was 42 °C (108 °F) — was observed at Dhahran, Saudi Arabia, at 3:00 p.m. on 8 July 2003. [201] Highest heat index: In the observation above at Dhahran, Saudi Arabia, the heat index ("feels like" temperature) was 81.1 °C (178.0 °F). [201]