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Latest Psychrometrics Stories

Foggy Perception Causes Us To Slow Down
2012-10-31 12:43:09

Max-Planck-Gesellschaft Max Planck scientists show that, contrarily to what was previously believed, speed is overestimated in fog Fog is an atmospheric phenomenon that afflicts millions of drivers every day, impairing visibility and increasing the risk of an accident. The ways people respond to conditions of reduced visibility is a central topic in vision research. It has been shown that people tend to underestimate speeds when visibility is reduced equally at all distances, as for...

2012-10-19 04:03:59

Consumers Who Order A Non-Toxic Ladybug Steam Vapor Sanitization System Receive A Free Accessory Set Worth $30 Lake Forest, IL (PRWEB) October 18, 2012 Shoppers who purchase a Ladybug steam vapor sanitization system from 1-800-GO-VAPOR.com this fall will receive free accessories, the company announced today. “Fall is a time of the year to clean the nooks and crannies that receive little TLC the rest of the year,” says V. K. Dunlop of 1-800-GO-VAPOR.com. “But this fall is...

Sharp Ice Peaks Formed From Freezing Water Droplets
2012-10-05 08:01:01

Researchers at the University of Twente, in the Netherlands, placed water droplets on a plate chilled to -20 degrees Celsius and captured images as a freezing front traveled up the droplet. The photos are published in the American Institute of Physics' (AIP) journal Physics of Fluids. The approximately 4-millimeter diameter droplets took about 20 seconds to freeze. During the final stage of freezing, the ice drop developed a pointy tip, as can be seen in Figure 1d. The effect, which is not...

2012-09-16 23:00:11

Auramist Misting Fans are creating great waves of influence all over the internet with their high tech design outdoor cooling systems. Nashville, Tennessee (PRWEB) September 16, 2012 New technology and advanced mechanics are not the only thing that are keeping your summers cool. Cooling Fans have been around for awhile, but apparently there's a new kid on the block! Auramist has their high-tech mister and cooling fans selling on shelves nationwide throughout major brand retailers. Heat can...

2012-08-31 23:03:22

Humidifiers.com, the one-stop-shop for top quality indoor air products and solutions, offers a 100% no sweat guarantee on all of their products. (PRWEB) August 31, 2012 Humidifiers.com, the one-stop-shop for top quality indoor air products and solutions, offers a 100% no sweat guarantee on all of their products. The guarantee ensures that they will do everything possible to make their customers happy. They have a reputation of being the best retailer of Whole house humidifiers and...

2012-08-29 23:00:59

Wagner Meters (http://www.wagnermeters.com) continues to demonstrate both its market leadership as well as its commitment to the close knit flooring installation community through its donation of products designed to make moisture measuring easy. Rogue River, Oregon (PRWEB) August 28, 2012 Flooring contractors use specific tools to ensure that concrete slabs are ready for the installation of new flooring. Wagner´s donations will be used at a variety of INSTALL events to help educate...

2012-08-29 23:00:55

Wagner Electronics (http://www.wagnermeters.com/concretemoisture.php/) won the Attendees Choice Award for its Rapid RH® concrete moisture testing product. Rogue River, Oregon (PRWEB) August 28, 2012 “Rapid RH® is an extraordinary product that puts an easy to use, scientifically proven, accurate device in the hands of installers in the field at an affordable price,” said Jason Spangler, Wagner Rapid RH® product specialist. The Rapid RH® 4.0 EX concrete test...

2012-08-08 23:03:18

A weather meter for racing and automotive industries makes it easy for drivers and staff to monitor real-time updates on temperature, barometric pressure, humidity and density altitude in order to make quick decisions on the track and to analyze data post-race. (PRWEB) August 08, 2012 A weather meter for racing and automotive industry members is now available at KestrelMeters.com, the online retailer recently announced. The Kestrel Meter 4250 Racing Weather Tracker has become a favorite...


Latest Psychrometrics Reference Libraries

Weather Model Discussion:  How To Use Surface Dew-points For Weather Forecasting Purposes
2013-01-29 08:53:47

Surface Dew-points can play a huge role in weather forecasting. The first such role is that it helps determine the amount of moisture in the atmosphere for a given point. If we look at the current dew-point map above from January 28, 2013 we can note several things of interest. First, if we look at where the black circle is around the number 70, we can make note that this air right off the coast of Texas is at a dew point of 70F. The temperature outside must be above 70F, because the...

Surface Map Features
2012-07-30 10:31:28

The map above shows our dew-point temperatures which is an important temp when it comes to weather. The dew-points help us determine how much moisture is in the atmosphere. If we look at the circle placed over Southern Mississippi we can see temps in the Mid 70’s. That is considered to be very saturated and humid type of weather. When you walk outside it feels very uncomfortable. While if we look back in Nevada we see 15, this is more respectful of being very dry air. This type of air also...

The Heat Wave Of The Central United States
2012-06-26 06:00:45

So why is there so much heat and humidity rising up into the Northern Plains creating a surge of hot weather? The answer is in the weather map above. If we look over Lake Michigan we see an area of High pressure which has a clockwise flow over the region. So places on the East are having cooler weather as they are getting the air from Canada pushing down towards them. North Dakota into the Gulf Coast are on the back side of the high so there air is coming from the Gulf of Mexico. If...

0_a883504f1809bc568bef5ad20d53ef9a
2009-07-18 14:15:52

Water vapor (aqueous vapor) is the gaseous phase of water. It is one stage of the water cycle of our planet. Water vapor is formed from either evaporation or heating of liquid water, or from the sublimation of ice. In nature, water vapor is continuously produced by evaporation and removed by condensation. Along with carbon dioxide and methane gas, water vapor is one of the greenhouse gases. The release of water molecules from liquid water is considered evaporation. The transition of these...

22_c8da84dbe2308dcca223c7190a69a675
2009-07-06 16:44:13

Haze is a type of atmospheric phenomenon where dust, smoke and dry particles in the air obscure the sky's clarity. Haze is created through various activities including farming, traffic pollution,and even wildfires. The World Meteorological Organization (WMO) categorizes the obscuration of the Earth's atmosphere by a list of different types of atmospheric phenomena. One of these is haze. The other classifications are: fog, ice fog, steam fog, mist, smoke, volcanic ash, dust, sand, and snow....

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Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.