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Weather Reference Libraries

Page 11 of about 157 Articles
Polar Front Jet on the Water Vapor Image
2012-07-10 17:35:31

Water vapor satellite is used to identify moisture in the atmosphere. We can also use it to help us identify the Polar front Jetstream. The Jetstream is outlined in the above image with a red line. As you can see it travels through an area of black or what we refer to as dry air. The reason the polar front jet travels through dry air is that the winds associated with this jet can exceed...

Tornado hits Perth Australia
2012-07-10 16:50:37

June 7, 2012: Perth Australia was hit by a tornado. Tornadoes occur anywhere in the world when the conditions are right and this is a great example of hitting in a unique location. When we think of tornadoes Australia is not the first place that comes to most of our minds. However, it is not uncommon for tornadoes to hit in Australia, they just don’t hit as often as in the United States....

Marine Time Polar Air Mass
2012-07-05 11:59:33

Another air mass that we have is known as "marine time polar air". This type of air is known for its cool and moist environment. The best location in the United States to find this air mass is in the Gulf of Alaska. Due to its high moisture content it tends to create a higher amount of precipitation in the region of Southern Alaska. This air mass at times can send increased moisture into the...

Marine Time Tropical Air Mass
2012-07-05 11:07:28

Marine time tropical air mass is made up of moist and warm conditions. The warm air from the tropics and the moisture source of the ocean create this type of air mass. This air mass is responsible for creating a very moist and uncomfortable feeling during the summer months along the Gulf Coast of the United States. This air mass is at its strongest during the summer months. Marine time...

Continental Arctic Air-mass
2012-07-05 11:03:14

Continental arctic air mass is known for its very frigid and dry air. The most common place in the United States to find this air mass is in Alaska. However, in the coldest parts of the winter such as December and January along with early February it is not uncommon for this air mass to invade the Northern part of the United States. This air mass is responsible for bringing with it temps...

El-Nino impacts to Annapolis Maryland
2012-07-05 11:00:38

El-Nino is marked with having warmer waters in the Pacific Ocean, so how can it have impacts on Annapolis Maryland? Here is a look at what occurred during an EL-Nino event as we evaluate three months of the cycle. January 2012- Temperatures for the month are usually around 30-40F during a normal period. Examining what occurred during the month of January during an EL-Nino event we can see...

Continental Tropical Air Mass
2012-07-05 10:54:23

Another type of air mass that we are going to talk about is called Continental Tropical also known as CT. This type of air mass can be best described as having dry and hot conditions. The reason for this is because it forms over the land and also is found in the hot tropical regions. The best place in the United States to find this type of air mass is the Southwest portion of the United States....

One Type Of Air Mass
2012-07-05 10:49:20

As a meteorologist you are taught quickly the term Air Mass. This term means an area of relatively flat and uniform terrain with the same temp and moisture content. There are places in the world that are conducive for being air mass zones such as Siberia and also the flat plains of Canada. However, the key is to remember that air masses move. The area in Canada is known as the Canadian High...

El-Nino Impacts To Austin Texas
2012-06-18 22:12:26

El-Nino is marked with having warmer waters in the Pacific Ocean, so how can it have impacts on Austin Texas. This is a look at what occurred during an EL-Nino event as we evaluate three months of the cycle. January 2012- March 2012 La-Nina Impacts on Austin TX Climate January 2012 Normal temperatures for the month are usually around 40-60F. Examining what occurred during the month of...

A Cold Front On The Weather Map
2012-06-18 21:09:52

Looking at our weather map above we can see a cold front moving through the states of Oklahoma and Kansas. The major thing about a cold front is the weather it can bring with it. The eastern side of the cold front provides two chances to receive precipitation. The first one is known as a squall line which usually forms some 50-150 miles ahead of the cold front. The squall line can be...