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Dark Lightning And Visible Lightning May Be Connected
2013-04-25 11:02:17

Watch the video "Scientists Detect Dark Lightning Linked To Visible Lightning" Brett Smith for redOrbit.com - Your Universe Online Discovered in 1991, dark lightning is an electrical phenomenon that occurs deep within a thunderhead and is responsible for producing a powerful burst of radio waves and gamma rays. Now, new research from an international team of scientists has found that dark lightning and visible lightning may be connected, according to a report in Geophysical...

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2013-04-25 04:00:27

Daily weather forecast and wrap-up provided by redOrbit meteorologist Joshua Kelly. redOrbit Meteorologist Joshua Kelly Big Story Weather from April 24: Another day of light snow across the Northern Plains. Severe weather was seen in Louisiana and Mississippi. Another area of cold air moved over the Southern Plains with more frost and freeze warnings issued. Big Story Weather Discussion for April 25: An area of low pressure will move across the Great Lakes today bringing a...

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2013-04-24 04:00:15

Daily weather forecast and wrap-up provided by redOrbit meteorologist Joshua Kelly. redOrbit Meteorologist Joshua Kelly Big Story Weather from April 23: Unseasonably cold air struck the Central United States with places like Kansas seeing accumulating snowfall. Oklahoma and Texas dealt with a hard freeze which had implications on trees and sensitive vegetation. Places like Denver, Colorado recorded temps running about 30-35 degrees below normal, while Kansas City saw temps around...

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2013-04-23 04:00:50

Daily weather forecast and wrap-up provided by redOrbit meteorologist Joshua Kelly. redOrbit Meteorologist Joshua Kelly Big Story Weather from April 22: Heavy rain moved through the Plains and parts of the Mississippi River Valley leading to more flooding in this region. Another round of snowy winter weather also struck from Western Kansas into the Dakotas. Big Story Weather Discussion for April 23: Low pressure moving up the East Coast will bring a few showers to the...

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2013-04-22 04:00:30

Daily weather forecast and wrap-up provided by redOrbit meteorologist Joshua Kelly. redOrbit Meteorologist Joshua Kelly Big Story Weather from April 19-21: Major flooding continues to impact cities in the north as the snow melt and past heavy rain enters the river basins. Another storm system developed over the Southwest and is now moving out to the Rockies and towards the Plains. Big Story Weather Discussion for April 22: High pressure along the East Coast will bring a nice...

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2013-04-19 04:00:38

Daily weather forecast and wrap-up provided by redOrbit meteorologist Joshua Kelly. redOrbit Meteorologist Joshua Kelly Big Story Weather from April 18: Another very active day yesterday with multiple tornado warnings and damage across portions of Illinois southward to Mississippi. Lots of rain fell yesterday near Chicago leading to flooding all throughout the Midwest. The cold air has regained strength again with many places in Texas and Oklahoma feeling the wrath of another...

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2013-04-18 04:00:58

Daily weather forecast and wrap-up provided by redOrbit meteorologist Joshua Kelly. redOrbit Meteorologist Joshua Kelly Big Story Weather from April 17: Severe weather and blizzard conditions topped the weather yesterday. There were several heavy snowfall reports from Colorado into the Dakotas and severe weather with tornados from Oklahoma all the way into Illinois. Many places saw heavy rainfall and large hail as well. Big Story Weather Discussion for April 18: Low pressure...

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2013-04-17 04:00:42

Daily weather forecast and wrap-up provided by redOrbit meteorologist Joshua Kelly. redOrbit Meteorologist Joshua Kelly Big Story Weather from April 16: Another round of snow arrived in the Northern Plains and extended back towards Colorado. Severe weather also fired up over the Southern Plains. The rest of the country enjoyed a nice Spring day. Big Story Weather Discussion for April 17: Low pressure moving over Western Texas will bring showers and thunderstorms to the...

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2013-04-16 04:00:33

Daily weather forecast and wrap-up provided by redOrbit meteorologist Joshua Kelly. redOrbit Meteorologist Joshua Kelly Big Story Weather from April 15: The new storm system moving through the Southwest and Rockies has been dropping snow and rain in this region, with some places getting over six inches of snow and near one inch of rainfall. The second story was the strong thunderstorms that moved across South Florida yesterday. Last night the severe weather that started across the...


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
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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