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Latest Thunderstorm Stories

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2013-12-20 04:00:11

redOrbit Meteorologist Joshua Kelly Big Story Weather from December 19: A powerful storm system developed over the Rockies and left a good swath of snowfall over the Dakotas along with very cold temps that were well below zero overnight. Big Story Weather Discussion for December 20: Surface Map 11AM: Low pressure pushing into the Great Lakes is going to be the focus of a wide array of weather today. Snow showers will extend from Maine through Southeast Canada and back into...

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2013-12-18 04:00:33

redOrbit Meteorologist Joshua Kelly Big Story Weather from December 17: The Great Lakes and the Northeast dealt with another day of heavy snowfall and a new storm entered into the Northern Rockies. Big Story Weather Discussion for December 18: Surface Map 11AM: High pressure will slide into the Southeast US allowing for the slow return of southerly flow along the Gulf Coast which will warm temps back up today. Low pressure will begin to develop in the Rockies this afternoon...

Green Lightning Explained
2013-12-11 05:43:47

redOrbit Staff & Wire Reports - Your Universe Online Mysterious green lightning, seen emerging from an ash cloud in images of a May 2008 volcanic eruption in Chile, is likely more common than we realize, according to research presented Monday during the annual fall meeting of the American Geophysical Union in San Francisco. Green lightning had not really been observed before photographer Carlos Gutierrez snapped photographs of the Chaiten volcano eruption, according to Olive...

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2013-12-05 04:00:30

redOrbit Meteorologist Joshua Kelly Big Story Weather from December 4: The big news from yesterday included the heavy snowfall from the Plains to the Rockies with some places seeing over 9 inches. Cold air settled in over the North with places from Montana to South Dakota seeing temps around -15 to -25F. Heat was in place over the Southeast with temps rising to near 80F. This has been leading to one of the largest temp contrasts that I have seen in a very long time. From north to south...

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2013-12-03 03:30:03

redOrbit Meteorologist Joshua Kelly Big Story Weather from December 2: The potent winter storm has already started to deliver heavy snowfall over the Rockies and into the Plains. Some places have already seen 6+ inches. The other big story overnight was the fog. A large area from the Great Lakes to the Gulf Coast is seeing fog which is due to the southerly winds ahead of a very powerful winter storm. Big Story Weather Discussion for December 3: Surface Map 11AM: Low pressure...

Pollution Causes Thunderstorms To Leave Lingering Clouds
2013-11-26 15:18:22

Pacific Northwest National Laboratory Study shows why pollution results in larger, deeper and longer lasting storm clouds, leading to colder days and warmer nights A new study reveals how pollution causes thunderstorms to leave behind larger, deeper, longer lasting clouds. Appearing in the Proceedings of the National Academy of Sciences November 26, the results solve a long-standing debate and reveal how pollution plays into climate warming. The work can also provide a gauge for the...

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2013-11-22 04:00:03

redOrbit Meteorologist Joshua Kelly Big Story Weather from November 21: Cold air plunged across the Plains yesterday with temps in the single digits and wind chill values well below zero. Snowfall was limited to mostly the Rockies over the past 24 hours. Big Story Weather Discussion for November 22: Surface Map 11AM: Low pressure and the associated cold front will push through the Mid-Mississippi River Valley bringing rain, snow and thunderstorms to the region. High pressure...

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2013-11-19 04:00:07

redOrbit Meteorologist Joshua Kelly Big Story Weather from November 18: The top stories of yesterday included heavy snowfall that made its way across the Cascades and also the strong winds over the Great Lakes. There was also heavy rainfall along the Gulf Coast with some places getting over 1 inch along the frontal boundary. Big Story Weather Discussion for November 19: Surface Map 11AM: High pressure over the Great Lakes will bring cool and dry weather to the region. This...

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2013-11-18 04:00:53

redOrbit Meteorologist Joshua Kelly Big Story Weather from November 15-17: The biggest story of the weekend occurred on Sunday was a significant severe weather outbreak across a good portion of the Midwest. Here are just some of the reports from Sunday. First, the largest tornado that has been noted so far occurred in Washington IL. The initial reports are of an EF-4 rating on that storm. If you look at images coming out of the region, you will see complete devastation with no...

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2013-11-15 03:30:11

redOrbit Meteorologist Joshua Kelly Big Story Weather from November 14: High pressure dominated most of the country with tranquil weather yesterday. The colder weather pushed into the East Coast, while the Plains began to warm back up. Big Story Weather Discussion for November 15: Surface Map 11AM: High pressure will push into the Atlantic today and a new storm system will push into the Pacific Northwest bringing rain and snow to the region. Surface Map 11PM: Low pressure...


Latest Thunderstorm 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...

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 has both updrafts and downdrafts; finally it goes into the dissipating stage where you see only the...

Weather Education - Super-cell Thunderstorms
2013-01-13 09:51:18

In this lesson we are going to take a look at super-cell thunderstorms and what they mean and how they impact our daily lives. First, a super-cell thunderstorm is formed from a cumulus-nimbus cloud.  Super-cell thunderstorms are the most advanced form of thunderstorms known on earth. This is because these types of thunderstorms need so many things to come together in the atmosphere at the same time. The first thing they need is the warm moist air at or near the surface. Secondly, is...

Weather Education - Orographic Thunderstorms
2013-01-13 09:40:16

Orographic thunderstorms are formed when the air is pushed up a mountain side. This type of thunderstorm is found only on the windward side of a mountain range. In the United States we would find these types of thunderstorms on the western slopes of the Rocky Mountains and also on the western slopes of the Appalachians. Things that make this thunderstorm important: First of all they only form in certain geographical places on the earth as mentioned above. But they can form anywhere in the...

Post Weather Report From September 5, 2012
2012-09-06 08:00:50

September 5: The southwest was encompassed in the monsoon rains yesterday bringing areas of flash flooding to portions of Arizona. Another smaller but large flooding event occurred along the Mississippi Gulf Coast where places in Jackson County received 7inches of rainfall in 2 1/2hours which lead to large flooding problems of already saturated grounds from Isaac-1. The heat persisted in Eastern Texas and into Louisiana and northward into Arkansas as some places felt temps hit the100’s with...

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Word of the Day
snash
  • To talk saucily.
  • Insolent, opprobrious language; impertinent abuse.
This word is Scots in origin and probably imitative.