Well, What makes dryline storms so great is they are usually easily visible, rise quickly, and can provide a clear view of the tornado from beginning to end. If you have ever chased in dew points in the middle 70's with moisture streaming in continually, usually you can't see more than 1/4 a mile ahead of you. Trying to spot a storm in low visibility is often not worth the effort. You can be 1/2 mile away from a tornado and can't see it because the humid air 'cuts' your view. Where-as Dryline storms can pop up from clear blue skies at a rapid rate, and often leave you with a full 360 degree view while they build giving you a spectacular show.
if you are around when a tornado attacks geat under a hevy piece of furnite ei.table and protect your head!!!!!!
a violent rotating column of extending air.
It varies. Based on data from the past 62 years the average F5 tornado kills 22 people. However, the F5 tornadoes in this time period had death tolls ranging from 0 to 158. The deadliest F5 tornado in U.S. history killed 695 people.
Most tornadoes in Canada do not kill at all. Those that do usually do not kill more than 2 or 3. The deadliest tornado in Canadian history killed 28 people.
Unless a killer tornado has happened fairly recently, the best data can be found at the Storm Prediction Center's Annual Fatal Tornado Summaries. For recent tornadoes, online news articles are usually fairly reliable, but sometimes fail to separate death tolls if there are several killer tornadoes in a day or fail to distinguish between tornadic and non-tornadic deaths. Wikipedia often does a fairly good job of doing that. As of June 28, 2014 the latest killer tornado is not listed by the Storm Prediction Center yet. That tornado hit Pilger, Nebraska on June 16, killing 2 people.
some of the vocabulary words for tornadoes are tornado, dry line, fujita scale, funnel cloud
The largest tornado on record (the Hallam, Nebraska tornado of May 22, 2004) was produced by a supercell thunderstorm that most likely was associated with a cold front or dry line.
The dry line can cause tornadoes. The dry line can in fact be more conducive for the formation of tornadoes than a cold front is. The area where a cold front and dry line intersect, called a triple point, is often a hot spot for tornado formation.
tornado
The relatively flat land does provide some air, as it allows the storms that spawn tornadoes easy access tot he warm, moist air that is their fuel. This is not of utmost importance, though, as major tornado outbreaks can impact hilly and even mountainous areas. Another key factor is the Rocky Mountains. Air flowing off the Rockies is typically quite dry. When it meets the moist air flowing fromt he Gulf of Mexico it forms a dry line. This dry line can act as a trigger for violent thunderstorms capable of producing tornadoes.
You can't without it
On the day of the Waco tornado a weather system pushed dry air from New Mexico across Texas, where it collided with warm, humid air from the Gulf of Mexico, forming what is called a dry line. As the moist air was force over the dry air, thunderstorms began to develop. These storms were particularly strong and, when they encountered wind shear, began to rotate and produce tornadoes. One of these storms, possibly strengthened by air flowing out of a nearby storm, became especially strong and spawned an especially violent tornado southwest of Waco. That tornado tracked right through Waco.
A tornado.
dry places like Texas and Colorado
Tornadoes usually weaken if cold or dry air starts feeding into the updraft of the thunderstorm that drives the tornado. This causes the updraft, and thus the tornado, to lose power.
Tornadoes require wind shear and thunderstorms (which can form under a number of circumstances) to occur. Typically the strong thunderstorms needed for tornadoes to occur form along a dry line or cold front. Tornadoes very often form where a cold front and dry line intersect.
A number of climatic factors come together in the region known as Tornado Alley. Warm moist air from the Gulf of Mexico moves over the region, carrying enormous amounts of energy to fuel thunderstorms. It can then collide with cool air from Canada (along a cold front) or dry air from the Rockies (along a dry line). This releases the energy carried by the warm, moist air producing thunderstorms that can become very strong. They can be especially violent where a dry line intersects a cold front. Additionally, Tornado Alley gets a lot of strong wind shear. This can intensify the storms even further and can also give the the rotation they need to produce tornadoes and generally speaking the stronger the storm, the stronger the tornado it can produce.