A tornado, it is expected that at the top of April recording

Severe weather forecast this week expected to heap more Tornadoes in the month that has seen a record number of Tornadoes that destroyed airport, destroyed homes and killed dozens of people. , Jeff Roberson, AP

The neighborhood is damaged by a tornado on Saturday. Several cities were damaged in the District of St. Louis.

By Jeff Roberson, AP

The neighborhood is damaged by a tornado on Saturday. Several cities were damaged in the District of St. Louis.

And, it is usually worse than April, forecasters say. 292 Confirmed Tornadoes so far this month, more than previous record 267 in April 1974 and nearly doubled in April average 163, said severe weather expert Greg Forbes Weather Channel. And worse, may be still to come, because normally the number of Tornadoes in may double the number in April, Forbes says: We're not yet at that time of year when these types of Tornadoes are the most active, he says This month s storms. are the result of surging jetstreamcombined with slow stormfront, which stretched from Oklahoma as the far East, Virginia, said Greg Carbin, warning coordination meteorologist for the National Weather Service's Storm Prediction Center NormanFront Okla. The formed where warm humid air from the South on cold dry air converges with the Northby becoming a basis for severe storms and Tornadoes and heavy precipitation development Carbin says .that front isn t going anywhere, so that you get repeat storms and torrential rains, "he said, such systems are typically. and move, but this one's in a rut, which is expected to continue in the coming days. More storms and heavy rain, expected to hit today and Tuesday from Northeast Texas Southwest Ohio, Eventually Carbin says., the system will be moved to the East, but it s do it slowly, most likely in severe weather the Carolinas and Virginias and sreduCarbin said Tuesday. This is about as bad as you can get in terms of ECHO storm activity comments.but Carbin said it s not clear whether the trend is truly historic. a large number of Tornadoes reported an increase seen with Tornado records began 60 years ago. April Tornado reports on average for the decade has increased from 74 in the 1950s in 163 in the 2000s, with only one lower in the 1980s, he says: More people are reporting Tornadoes than ever before, said Carbin is maybe more TornadoesBut how do we know? The string of Tornadoes this month have killed at least 45 people and destroyed hundreds of homes from Manhattan, Kan., Raleigh, N.C.Lambert International Airport-St. Louis was closed for 24 hours after the twister raked it Friday night. Airport security videos Show trash cans, ceiling tiles and clouds and rain blowing through airport hubs, with passengers and staff to cover the Agency's transport safety, protecting them from debris. The storm knocked out more than 50% of the airport s main terminal Windows and showered with broken glass and raining, according to airport Director Rhonda Hamm-Niebruegge .the airport which has daily departures, 256 operates at 60% capacity Sunday. For more information about Reprint permissions, visit our FAQ &. Report corrections and clarifications, contact standards editor Brent Jones. For consideration of publication in the newspaper, send comments to letters@usatoday.com. Include name, phone number, city and State to check. To view our corrections, go to corrections usatoday.com. We have updated the guidelines talk. Changes include a brief overview of the approval process and explains how to use the button "report abuse". For More Information.