Sentences with phrase «moist air»

The duct should be closed in the summer to prevent the entry of warm, moist air when the air conditioning is operating.

The water molecules replace others, mainly nitrogen (76 %) and oxygen (23 %), which makes moist air lighter than dry air; the replaced molecules have to go somewhere else (up).

High pressure cells have dry air whereas low pressure cells have moist air and often bring rain, snow sleet and hail.

Based on computer models, Meehl and his colleagues expect that the regions most likely to experience the more intense storms are places where large masses of moist air converge.

Unlike thunderstorms, tornadoes need a rotational source such as when warm, moist air from the Gulf of Mexico wafts over the southeast and strong Jetstream air aloft arrives from a westerly direction, as during the tragic string of tornadoes in April 2011.

On the edges it can bring a deluge of rain, as moist air from the south is brought up to meet colder air coming down from the north.

Some areas have monsoons, seasonal winds that bring either dry or moist air.

With moist air it's the opposite, see Emagram.

Thus, natural forests not only create an ocean - to - land moist air flow, but also stabilize this flow at an optimum level and prevent its extreme fluctuations like hurricanes, tornadoes, severe droughts or floods.

So, it takes heat to evaporate the moisture from the oceans, and it generally stays warmer near the oceans, but once this moist air travels over the interior of a continent and finds cooler air, bingo, you get more snow!

Some problems the above calculation suffers from: The heat capacity of air is for dry air, moist air would be higher.

Tornadoes often form when warm, moist air near the Earth's surface rises and interacts with cooler and drier air higher in the atmosphere.

The result was that the low pressure zone was no longer there and moist air ceased to come to the Maya from the ocean.

In order to build up and intensify, hurricanes require warm ocean temperatures, moist air, and low vertical wind shear (i.e. no strong change in wind speed or direction between two different altitudes).

The rising of warm, moist air from the ocean helps to power the storm.

«On a top - loader, nature takes care of the problem for you; the moist air rises out of the machine,» Selbin explained.

There has to be continuous extraction of moist air from «wet» rooms such as the kitchen and bathroom, into rooms needing it.

In the United States, a weakened Arctic blast moving south to collide with moist air from the Gulf of Mexico can mean less rain and snow in some areas, including the drought - stricken Southeast, said Michael MacCracken, a former federal climate scientist who now heads the nonprofit Climate Institute.

Cirrus clouds — high - altitude clouds of ice crystals — typically form as a byproduct of the life cycle of cumulus towers created by rising updrafts of heated, moist air.

Differences in the molecular weights of N2 and H2O means that moist air is lighter than dry air.

I don't like the H2O is lighter than N2 explanation for the greater propensity towards convection of moist air.

The primary contribution, is that moist air, once it has cooled to the dew point has a lower lapse rate than dry air.

Convection is a common factor for many types of clouds, which need moist air to form.

Reasoning that the total energy remains constant, he differentiates the equation and uses the result to calculate the correct adiabatic lapse rate which is about 9.8 K / km (Kelvin per kilometer) for dry air and about 6.5 K / km for moist air.

Well, as we know, warm, moist air from the ocean's surface begins to rise rapidly.

They bring moist air into the Mediterranean and cold air to northern Europe.

On the other hand, warm moist air from the south may produce rainfall at these sites, making TRW at proxy for both temperature and rainfall.

Converging winds at the surface are colliding and pushing warm, moist air upward.

One of the main reasons for this is that the rate at which temperatures cool with increasing altitude (known as the lapse rate) is greater in dry air than it is in moist air.

They can happen anywhere there is enough moist air at low levels, cold dry air aloft and strong vertical wind shear.

Hurricanes and typhoons work like «giant engines that use warm, moist air as fuel.»

Mountain Barriers: Warm moist air condenses when air is lifted up over a mountain causing precipitation.

«In the Great Plains [of the USA] there is a nighttime stream of fast - moving air that separates cool, moist air near the ground from drier, warmer air above.

(Sirocco winds start blowing from Arctic, south - > to avoid vacuum - > moist air from North Atlantic goes north and replenishes the ice deficit.

They occur when cool, moist air climbs one side of any mountain range (in this case, those that rise above the Antarctic Peninsula) before tumbling down the other side.

To roughly solve the problem you use a moist air and ocean model applying basic thermodynamics and compare that to a radiant model since the surface is the issue.

Tangential entries cause the warm moist air to spin as it rises forming an anchored convective vortex.

This ensures that the mild, moist air gets wrung out of the atmosphere in the form of snow, not rain.

Surface low pressure map along with precipitable water normalized anomalies for Jan. 23, 2016, showing a corridor of moist air flowing around the East Coast blizzard.

The partial pressure of a given sample of moist air that is attributable to the water vapor is called the vapor pressure.

The second storm, fueled by a powerful, long - duration atmospheric river funneling warm and moist air from southeast of Hawaii, hit central and northern California beginning late on January 7 and pushed major rivers past flood stage levels and drove extreme gusts, leading to power outages as well as rock and mudslides.

Enhancement of westerlies bring warm and moist air from Atlantic to the Northern Eurasia causing positive temperature anomalies.

On January 3 and 4, the first of two back - to - back atmospheric river storms (wide paths of moisture in the atmosphere composed of condensed water vapor), brought heavy rain and mountain snow to central California, ahead of an even more intense round of heavy precipitation brought by a powerful, long - duration atmospheric river storm pulling warm and moist air to California from the subtropical and equatorial region southeast of Hawaii.

I think what you really need is a denser atmosphere and very dry air, moist air leads to clods and rain that hinders further warming.

A front is a boundary between two different types of air masses, these are normally warm moist air masses from the tropics and cooler drier air masses from polar regions.

Under these conditions, fog or low stratus clouds can form when warm, relatively moist air crosses over the colder, dry land.

It was largely the product of extremely warm, moist air in the Gulf of Mexico colliding with a slow - moving storm system, which drenched a swath of Louisiana over a several - day stretch.

Melt of the Greenland ice sheet is further enhanced by a prolonged inflow of warm, moist air traced back to Arctic sea ice loss.

The effect was clearly due to meridional jetstream flow patterns guiding moist air south on to the icecap.

I pointed out to the journalist that there are two key factors: warm, moist air is favorable for tornadoes, and global warming will provide more of it.