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Latest Thunderstorm Stories

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2013-09-20 04:00:53

redOrbit Meteorologist Joshua Kelly Big Story Weather from September 19: Yesterday was a very cold day for many places throughout the Northern Rockies with some snow falling in the higher elevations. Severe weather occurred along the frontal boundary with one tornado in Texas. The largest hail was recorded in Minnesota at 2 inches. The strongest winds occurred in Minnesota and Iowa with gusts in between 70-80mph. The cold air was also responsible for the first frost of the season in...

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2013-09-19 04:00:37

redOrbit Meteorologist Joshua Kelly Big Story Weather from September 18: Yesterday we saw more heavy rainfall over portions of the Southwest US where flood warnings are in effect right now. There was also an increase in severe weather over the Northern Plains with many places in eastern North Dakota and South Dakota dealing with localized flooding this morning. Severe weather yesterday included 2-inch hail in both South Dakota and North Dakota. There were multiple wind damage reports...

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2013-09-18 04:00:46

redOrbit Meteorologist Joshua Kelly Big Story Weather from September 17: High pressure over the East Coast brought a very cold night to the region as temps fell to the freezing point. Rainfall was heavy over the Southwest. We saw two tornadoes in Idaho, two inch hail in Utah, and damaging winds in Montana with gusts around 80-85mph. Big Story Weather Discussion for September 18: Surface Map: High pressure over the Mid-Atlantic region will bring cool temps and partly cloudy...

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2013-09-17 04:00:08

redOrbit Meteorologist Joshua Kelly Big Story Weather from September 16: High pressure over the Great Lakes and Northeast brought another round of frost and freeze conditions to the region. The Southwest dealt with another day of heavy rainfall and flash flooding. Severe weather was limited. The largest hail was recorded in Texas at 1.0-inch. The strongest winds occurred in Montana with gusts between 60-70mph. Tropical Storm Ingrid brought heavy rainfall to Mexico and also...

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2013-09-16 04:00:10

redOrbit Meteorologist Joshua Kelly Big Story Weather from September 13-15: The big story from this weekend was the continued flooding throughout Colorado and New Mexico with both places seeing an additional 6 plus inches of rainfall. The heat continued over portions of the Plains with temps in the upper 90’s again. Tropical impacts started to move in over Southern Texas with higher seas, flooding rains and gusty winds. Severe weather was limited this past weekend to 1.0-inch hail on...

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2013-09-13 04:00:57

redOrbit Meteorologist Joshua Kelly Big Story Weather from September 12: The heat continued from Ohio to the Upper Mississippi River Valley and southward into the Southern Plains. Severe weather was quite active yesterday. The biggest story and the most dangerous story is the flooding that is taking place in Colorado. What is happening here is that we have warm moist air moving in from the Southwest US converging with cooler air from the high pressure to the north and both air...

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2013-09-12 04:00:25

redOrbit Meteorologist Joshua Kelly Big Story Weather from September 11: The heat continued over the Plains and into the Mid-Atlantic yesterday with high temps in the 90-100F range. Severe weather included one tornado in Northern Minnesota and 1.75in hail in Illinois. The strongest winds occurred in Upstate New York with gusts around 60-70mph. Big Story Weather Discussion for September 12: Surface Map: Low pressure moving through Southeast Canada will bring a cold front...

NASA Firestation To Track Strange Things Produced By Thunderstorms
2013-09-11 12:32:12

[ Watch the Video: Firestation To Investigate Thunderstorm Tops ] Lee Rannals for redOrbit.com - Your Universe Online A new experiment aboard the International Space Station (ISS) is looking into the strange things that come from the tops of thunderstorms. The experiment, called "Firestation" consists of a package of sensors designed to explore how the Earth mimics a supernova during thunderstorms. About 50 times a second bolts of lightning heat up the air to a temperature five times...

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2013-09-11 04:00:31

redOrbit Meteorologist Joshua Kelly Big Story Weather from September 10: The heat wave was in full force yesterday from the Ohio River Valley back into the Plains with many places near 100F along with heat index values near 105F. Flooding rains continued over portions of the Southwest. Severe weather was very limited with no tornadoes or hail reported. The strongest winds came from Iowa with 60-70mph gusts. Big Story Weather Discussion for September 11: Surface Map: Low...

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2013-09-10 04:00:10

redOrbit Meteorologist Joshua Kelly Big Story Weather from September 9: Yesterday was another hot day over the middle of the United States with temps soaring into the upper 90’s and heat index values near 105F. Flooding rains were also a big concern as places in the Rockies saw well over 3-5 inches of rainfall leading to large flash flooding events. Cold weather was a big impact as well with some places in the Northeast getting into the lower 30’s last night. Severe weather...


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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