The warmest March in USA history

According to the "U.S. climate highlights - March," published by the U.S. National Oceanic and Atmospheric Administration (NOAA), "record-breaking temperatures and near-record dominated the eastern two-thirds of the nation and contributed to the warmest March on record for "contiguous United States", "that the U.S. excluding Alaska and Hawaii. But temperatures in Alaska in March are the top ten warmest in history.

 The results of the warmest March since 1895, since when the temperatures are registered in the U.S., come from 15.272 records. "Every state in the nation has experienced a record warm temperatures in all the days in the month of March." The average temperature of 51.1 ° F (10.6 degrees Celsius) was 8.6 degrees F above the middle of March of the twentieth century and 0.5 ° F (or, 3 ° C) warmer than warmer than the previous March, the one of 1910. Over the past 117 years, in the first quarter of the year was recorded only a month of January 2006 warmest in March 2012. The middle of March was 4.78 ° C well above the average of the month of March of the twentieth century. The 25 U.S. states east of the Rocky Mountains have been the month of March the warmest on record, 15 other states have had temperatures in the 10 highest in their history. The same phenomenon has instead resulted in below average temperatures in the West Coast: California, Washington and Oregon.Hundreds of U.S. localities have had a hot time record in March, a situation that has produced conditions favorable to hurricanes and tornadoes. According to the center of the hurricane forecast NOAA preliminary reports speak of 223 tornadoes in March 2012 when the previous average was 80. The majority of these tornadoes occurred during the disruption of 2:03 March in the Ohio Valley and southern U.S., the "tornado out break", who made 40 victims and damage of at least $ 1.5 billion, making the first of this weather event of 2012 to exceed one billion dollars in damage and loss.On March 9, a front of bad weather has brought thunderstorms and extreme rainfall in Hawaii and a rare tornado "EF-0" has hit the towns of Kailua and Lanikai Oahu, with a strong hailstorm.But NOAA points out that it was not until March to be hot: the entire first quarter of 2012 has seen record temperatures in the "contiguous United States", with an average temperature of 5.56 ° C, 3.6 ° C much more of the long-term average.On average in March in the U.S. has rained more: 2.73 inches (0.33 inches above average) with the north-west Pacific and the plains of the South much wetter than average in March, while the drought struck the western interior areas and Florida. The Colorado has beaten the record of drought in March.According to the 'U.S. Drought Monitor April 3, "36.8% of the" contiguous United States "was in drought, down from 38.7% percent at the end of February and an increase from 28.8% since years ago April 5, 2011. " Fortunately the increased rainfall above average in the southern plains in the long term.The entire cold season, from October 2011 to March 2012, was the second warmest recorded in the U.S. "contiguous" with temperatures of 3.8 ° F above the national average. Only the winter of 1999-2000 was warmer, but last winter autuno-21 states in the Midwest and Northeast, colder states, have had the warmest winter 6 months of their history. The last 12 months (April-March), which included the hottest summer quarter (June-August) and the fourth warmest winter (December-February), have been the warmest period for "contiguous United States," with an average temperature of 55.4 ° F, 2.6 ° F above the average of the twentieth century.