Statistical Analysis - Long term estimation of weather for winter 2015 (Chicago)

 

Long term weather forecast for winter 2015 (Chicago):

General Trend - estimation
 
Summer trend in Chicago (34 year statistical sample)
 
Trend of average temperature at 850 hPa: close to average climatic values - decreasing during the last years.
Winter 2014: average temperature at 850 hPa = -9.2 degrees Celsius.
Winter 2015: estimation of average temperature at 850 hPa = -5.4 degrees Celsius.
Winter 2015: 0.2 degrees Celsius colder than average climatic values.
 
December 2014
 
December 2014: close to average climatic values.
December 2014: average temperature at 850h Pa = -4.5 degrees Celsius.
 
January 2015
 
January 2015: 0.2 degrees colder than average climatic values.
January 2015: average temperature at 850h Pa = -6.8 degrees Celsius.
 
February 2014
 
February 2015: 0.8 degrees warmer than average climatic values.
February 2015: average temperature at 850 hPa = -5.4 degrees Celsius.
 
Summary:
-lower temperatures than climatic values/very cold weather: week before Christmas and middle of January.
-higher temperatures than climatic values: beggining of December, beggining of January and middle to end of February.
 
Dimtrios Kabolis
YouWeather.com
 
The above analysis is weather estimation and not weather forecast.
 
Data provided by the NOAA/OAR/ESRL PSD, Boulder, Colorado, USA, from their Web site at http://www.esrl.noaa.gov/psd/

Ημ/νία καταχώρησης: 4/12/2014