Weather Reference Libraries

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Tristrams Storm Petrel Oceanodroma tristrami
2013-04-22 14:33:05

The Tristram’s Storm Petrel (Oceanodroma tristrami) is a species of seabird in the family of storm-petrels called Hydrobatidae. The species’ specific and common name comes from the English clergyman Henry Baker Tristram, the species can also be known as the Sooty Storm-petrel. The Tristram’s Storm Petrel is distribution across the North Pacific Ocean; mainly in tropical seas. This...

Northern Short Grasslands
2013-04-18 23:18:40

The Northern short grasslands is only 1 of 867 terrestrial ecoregions defined by the World Wide Fund for Nature. This ecoregion includes portions of the Canadian provinces of Alberta and Saskatchewan, and the American Great Plains states of Montana, North Dakota, Nebraska, South Dakota and Wyoming. The Northern short grasslands have a semi-arid climate, with the annual average precipitation...

Northern Tall Grasslands
2013-04-18 23:14:41

The Northern tall grasslands is only 1 of 867 terrestrial ecoregions defined by the World Wide Fund for Nature. This ecoregion largely follows the Red River Valley in the Canadian province of Manitoba and the American states of Minnesota and North Dakota. The grasslands have a humid continental climate with moderate precipitation, normally between 450 and 700 mm. The winters are very cold,...

High Plains United States
2013-04-18 22:49:08

The High Plains are a sub region of the Great Plains mainly in the Western United States, but also partially in the Midwest states of Kansas, Nebraska, and South Dakota, generally ecompassing the western portion of the Great Plains before the region reaches the Rocky Mountains. The High Plains are located in southeastern Wyoming, southwestern South Dakota, eastern Colorado, western Nebraska,...

Humid Pampas
2013-04-18 22:43:40

The Humid Pampa is an extensive region of flat, fertile grassland of loessic origin in Argentina. It has a precipitation average of 900 mm per year, compared to the Dry Pampas towards the west, which average less than 700 mm. Similar to the Pampas in general, the region's terrain is mostly hilly and of a temperate climate, though rich mollisols are more abundant here than to the west, where...

Baffin Bay
2013-04-18 13:21:50

Baffin Bay, which is located between Baffin Island and the southwest coast of Greenland, is a marginal sea of the North Atlantic Ocean. It’s connected to the Atlantic by Davis Strait and the Labrador Sea. A narrower Nares Strait connects the Baffin Bay with the Arctic Ocean. The Baffin Bay is an arm of the Atlantic Ocean that is bordered by Baffin Island towards the west, Greenland towards...

Caribbean Sea
2013-04-18 12:52:52

The Caribbean Sea is a sea of the Atlantic Ocean that is located in the tropics of the Western hemisphere. It’s bordered by Mexico and Central America towards the west and southwest, to the north by the Greater Antilles, to the east by the Lesser Antilles, and towards the south by South America. The whole area of the Caribbean Sea, the numerous islands of the West Indies, and neighboring...

Basic Ocean Terms
2013-02-05 12:52:11

Image Credit: Meteorologist Joshua Kelly When meteorologists are forecasting for ocean-going vessels, there are a few terms that we need to understand. The first term is wavelength. Wavelength is defined as the distance between two crests or between two troughs as seen in the image above. The example above highlights the crest to crest concept of wavelength. The next term that we use is...

Weather Model Discussion How To Use Surface Dew-points For
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...

Weather Education - Air Mass Thunderstorms
2013-01-13 10:30:47

Air mass thunderstorms are found in marine time tropical air. In short they are also known as MT Thunderstorms. Air mass thunderstorms represent what is known as the common three stage thunderstorm development. This means that an air mass thunderstorm goes through the stages of Cumulus which is represented by the updrafts only being present; secondly it moves into the mature stage where it...

Word of the Day
  • A unit of saved energy.
Coined by Amory Lovins, chairman of the Rocky Mountain Institute as a contraction of negative watt on the model of similar compounds like megawatt.