Latest Thunderstorm Stories

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2013-10-08 04:00:51

redOrbit Meteorologist Joshua Kelly Big Story Weather from October 7: A stormy pattern over the Eastern United States has led to few possible unconfirmed tornado reports in the Northeast. Wind damage was also greatly noted with many places from Maine to Maryland seeing winds gusting in the 60-70mph range along the cold front and thunderstorms. The rest of the country saw tranquil conditions as high pressure dominated a good portion of the country. The Pacific Northwest recorded...

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2013-10-07 04:00:44

redOrbit Meteorologist Joshua Kelly Big Story Weather from October 4-6: Tropical Storm Karen fizzled out before making landfall near Southern LA allowing for a few locations along the coast to get around 2-3 inches of rainfall with winds of less than 40mph. The system has been absorbed into the cold front. Severe weather was huge this past weekend. There were multiple strong tornados over Nebraska and Iowa with a few on the higher end of the scale on Friday night. Tornadoes were also...

Climate Models Help Researchers Understand Atmospheric Electricity
2013-10-04 08:51:04

April Flowers for redOrbit.com - Your Universe Online A detectable electrification of the air is caused by electrical currents born from thunderstorms. These currents flow through the atmosphere around the globe, even in places with no thunderstorm activity. Until recently, however, science has not had a good explanation for how conductivity varies throughout the atmosphere and how that may affect the path of the electrical currents. A new study led by the University of Colorado...

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2013-10-04 04:00:55

redOrbit Meteorologist Joshua Kelly Big Story Weather from October 3: Yesterday was a very active day from the perspective of severe weather and also winter weather. Severe weather consisted of 9 tornadoes over Eastern Nebraska along with hail the size of 2.75 inches and wind gusts around 60-70mph. Winter weather consisted of snowfall in excess of 1ft for parts of Wyoming. Big Story Weather Discussion for October 4: Surface Map: High pressure along the Mid-Atlantic coast...

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2013-10-03 04:00:08

redOrbit Meteorologist Joshua Kelly Big Story Weather from October 2: Severe weather was limited to hail around 1.75 inches in Nebraska along with damaging winds of 60-65mph over Nebraska. Winter weather started ramping up last night with heavy snowfall already starting to hit the Rockies of Wyoming and Montana with some places already picked up over 6 inches of snowfall. Big Story Weather Discussion for October 3: Surface Map: High pressure over the Mid-Atlantic will bring...

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2013-10-02 04:00:47

redOrbit Meteorologist Joshua Kelly Big Story Weather from October 1: No severe weather reported yesterday, however snowfall was reported over the Northern Rockies with places in Wyoming and Montana seeing around 1-3 inches and some places even more. Breezy conditions also set up over the Northern Plains with wind gusts over 50mph in Western North Dakota. Big Story Weather Discussion for October 2: Surface Map: High pressure over the Mid-Atlantic will bring partly cloudy...

Big Story Weather – October 1, 2013
2013-10-01 04:00:16

redOrbit Meteorologist Joshua Kelly Big Story Weather from September 30: Another day of higher elevation snows, strong winds, heavy coastal rains and flooding for the Pacific Northwest. Severe weather was limited, however there was a rare tornado touchdown around the Seattle area. There were also damaging winds in western South Dakota between 60-85mph. Big Story Weather Discussion for October 1: Surface Map: High pressure over the Mid-Atlantic will keep the region nice for...

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2013-09-30 04:00:50

redOrbit Meteorologist Joshua Kelly Big Story Weather from September 27-29: A powerful fall storm slammed into the Pacific Northwest bringing gale force winds, damaging winds, heavy rainfall, flooding, and snowfall to the region. Severe weather was fairly limited over this past weekend with the 27th finding 1-inch hail in Kansas and wind gusts of 70-80mph in Nebraska. On Saturday, severe weather was limited to wind gusts of 50-60mph in Washington and Oregon. Sunday was a non-severe day...

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2013-09-27 04:00:28

redOrbit Meteorologist Joshua Kelly Big Story Weather from September 26: The snow continued to fly over the Northern Rockies with some places seeing an additional foot of snow. Rainfall was heavy along the Pacific Northwest leading to flood watches as well. A cool, dry pattern was in place over most of the East, while Florida also began to dry out. Severe weather was very limited with no major events. Big Story Weather Discussion for September 27: Surface Map: High pressure...

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2013-09-26 04:00:33

redOrbit Meteorologist Joshua Kelly Big Story Weather from September 25: The first significant snowfall of the season took shape over the Northern Rockies yesterday with places seeing more than six inches over Northwest Wyoming. Severe weather was very limited to a few reports the largest hail was in Western South Dakota at 1.75 inches, while the strongest wind gusts occurred over Florida at 50-60mph. Cold weather continued to hit the Northern tier states as the transition has begun....

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
  • 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.