Jan 26

Annual Climate Review for 2011

Hi Everone,

Very excited to pass along the Annual Climate Review for 2011 that is prepared by the National Climate Data Center. Below, I’m going to paste in some of the highlights and excerts this past year from their report.  To access the full report, click on the following link

https://www.ncdc.noaa.gov/sotc/national/2011/13


Preliminary Significant U.S Weather and Climate Events for 20112011 National Events Map

Issued January 19, 2012:The data presented in this report are final through August and preliminary from September-December. Ranks, anomalies, and percent areas may change as more complete data are received and processed.

National Temperature and Precipitation Analysis
2011 National Temperature Rank Map  2011 National Precipitation Rank Map

In 2011, the contiguous United States (CONUS) average annual temperature of 53.8 degrees F (12.1 degrees C) was 1.0 degree F (0.6 degree C) above the 20th century average, and was the 23rd warmest year on record. Since 1895, the CONUS has observed a long-term temperature increase of about 0.12 degree F (0.07 degree C) per decade. Precipitation across the CONUS in 2011 was 0.36 inch below the long-term average (LTA). Over the long-term, precipitation averaged across the CONUS, is increasing at a rate of about 0.18 inch (4.6 mm) per decade.

 

Top Ten U.S Weather/Climate Events for 2011
The following is a list for the top ten U.S. weather/climate events which occurred during 2011. These events were selected by a panel of weather/climate experts from around the country. For additional information on these events, please see our Top Ten U.S. Events webpage.

1. April 25th – 28th Tornado Super Outbreak
2. Southern U.S Drought (spring-summer)
3. Joplin, Missouri EF-5 Tornado (May 22nd)
4. Mississippi River and Ohio Rive Flooding (spring)
5. Oklahoma and Texas – Hottest 3-month Statewide Temperatures on Record (summer)
6. Hurricane Irene (August)
7. Northern Plains and Upper Midwest Flooding (early summer)
8. U.S Wildfire Season (spring-summer)
9-tie. Tropical Storm Lee (September)
9-tie. April 14th-16th Tornado Outbreak

 
Season Analysis (Below are map summaries for each season) 

Winter
Winter 2009/2011 Statewide Temperature Rank Map  Winter 2009/2011 Statewide Precipitation Rank Map

 
 
Spring
Spring 2011 Statewide Temperature Rank Map  Spring 2011 Statewide Precipitation Rank Map

Summer
Summer 2011 Statewide Temperature Rank Map  Summer 2011 Statewide Precipitation Rank Map
 

Fall
Fall 2011 Statewide Temperature Rank Map  Fall 2011 Statewide Precipitation Rank Map