Boundary Layer Radar (BLR)
Observation Data


(Version 02.0212)


Please note: If you acquire Fukushima-BLR data, we ask that you acknowledge us in your use of the data. This may be done by including text such as Fukushima-BLR data provided by Fukushima University and Research Institute for Sustainable Humanosphere (RISH) of Kyoto University. We would also appreciate receiving a copy of the relevant publications. Thank you!

Archive parameters:
CSV (Comma Separated Values) formatted data are available.
File names of CSV data are composed of date and variable abbreviations: (year)(month)(day).(variable).csv

Variables File Units Comments
Zonal wind uwnd m/s Westerly wind is positive
Meridional wind vwnd m/s Southerly wind is positive
Vertical wind wwnd m/s Upflow is positive
Echo intensity for Beam 1 pwr1 dB Arbitrary unit
Echo intensity for Beam 2 pwr2 dB Arbitrary unit
Echo intensity for Beam 3 pwr3 dB Arbitrary unit
Spectral width for Beam 1 wdt1 m/s Half power full width
Spectral width for Beam 2 wdt2 m/s Half power full width
Spectral width for Beam 3 wdt3 m/s Half power full width

Beam Direction
Beam No. (Az, Ze)
1 ( 0, 0)
2 (312, 15)
3 (222, 15)
The antenna beam is switched every FFT.

Data Format

Observation Parameters
Parameter Value
Pulse length 0.67 micro sec
Sampling interval 0.67 micro sec
Inter Pulse Period 80 micro sec
Number of coherent integrations 64
Number of incoherent integrations 30
Number of FFT points 128
Pulse compression 16 bits
Sea level 204 m
Latitude 37.68 deg.
Longitude 140.46 deg.


October, 2010
GIF File: Winds , Echo intensity , Spectral width
November, 2010
GIF File: Winds , Echo intensity , Spectral width
December, 2010
GIF File: Winds , Echo intensity , Spectral width

January, 2011
GIF File: Winds , Echo intensity , Spectral width
February, 2011
GIF File: Winds , Echo intensity , Spectral width
March, 2011
GIF File: Winds , Echo intensity , Spectral width
April, 2011
GIF File: Winds , Echo intensity , Spectral width
May, 2011
GIF File: Winds , Echo intensity , Spectral width
June, 2011
GIF File: Winds , Echo intensity , Spectral width
July, 2011
GIF File: Winds , Echo intensity , Spectral width
August, 2011
GIF File: Winds , Echo intensity , Spectral width
September, 2011
GIF File: Winds , Echo intensity , Spectral width
October, 2011
GIF File: Winds , Echo intensity , Spectral width
November, 2011
GIF File: Winds , Echo intensity , Spectral width
December, 2011
GIF File: Winds , Echo intensity , Spectral width

January, 2012
GIF File: Winds , Echo intensity , Spectral width
February, 2012
GIF File: Winds , Echo intensity , Spectral width
March, 2012
GIF File: Winds , Echo intensity , Spectral width
April, 2012
GIF File: Winds , Echo intensity , Spectral width
May, 2012
GIF File: Winds , Echo intensity , Spectral width
June, 2012
GIF File: Winds , Echo intensity , Spectral width
July, 2012
GIF File: Winds , Echo intensity , Spectral width
August, 2012
GIF File: Winds , Echo intensity , Spectral width
September, 2012
GIF File: Winds , Echo intensity , Spectral width
October, 2012
GIF File: Winds , Echo intensity , Spectral width
November, 2012
GIF File: Winds , Echo intensity , Spectral width
December, 2012
GIF File: Winds , Echo intensity , Spectral width

January, 2013
GIF File: Winds , Echo intensity , Spectral width
February, 2013
GIF File: Winds , Echo intensity , Spectral width
March, 2013
GIF File: Winds , Echo intensity , Spectral width
April, 2013
GIF File: Winds , Echo intensity , Spectral width
May, 2013
GIF File: Winds , Echo intensity , Spectral width
June, 2013
GIF File: Winds , Echo intensity , Spectral width
July, 2013
GIF File: Winds , Echo intensity , Spectral width
August, 2013
GIF File: Winds , Echo intensity , Spectral width
September, 2013
GIF File: Winds , Echo intensity , Spectral width
October, 2013
GIF File: Winds , Echo intensity , Spectral width
November, 2013
GIF File: Winds , Echo intensity , Spectral width
December, 2013
GIF File: Winds , Echo intensity , Spectral width

January, 2014
GIF File: Winds , Echo intensity , Spectral width
February, 2014
GIF File: Winds , Echo intensity , Spectral width
March, 2014
GIF File: Winds , Echo intensity , Spectral width
April, 2014
GIF File: Winds , Echo intensity , Spectral width
May, 2014
GIF File: Winds , Echo intensity , Spectral width
June, 2014
GIF File: Winds , Echo intensity , Spectral width
July, 2014
GIF File: Winds , Echo intensity , Spectral width
August, 2014
GIF File: Winds , Echo intensity , Spectral width
September, 2014
GIF File: Winds , Echo intensity , Spectral width
October, 2014
GIF File: Winds , Echo intensity , Spectral width
November, 2014
GIF File: Winds , Echo intensity , Spectral width
December, 2014
GIF File: Winds , Echo intensity , Spectral width

January, 2015
GIF File: Winds , Echo intensity , Spectral width
February, 2015
GIF File: Winds , Echo intensity , Spectral width
March, 2015
GIF File: Winds , Echo intensity , Spectral width
April, 2015
GIF File: Winds , Echo intensity , Spectral width
May, 2015
GIF File: Winds , Echo intensity , Spectral width
June, 2015
GIF File: Winds , Echo intensity , Spectral width
July, 2015
GIF File: Winds , Echo intensity , Spectral width
August, 2015
GIF File: Winds , Echo intensity , Spectral width
September, 2015
GIF File: Winds , Echo intensity , Spectral width
October, 2015
GIF File: Winds , Echo intensity , Spectral width
November, 2015
GIF File: Winds , Echo intensity , Spectral width
December, 2015
GIF File: Winds , Echo intensity , Spectral width

January, 2016
GIF File: Winds , Echo intensity , Spectral width
February, 2016
GIF File: Winds , Echo intensity , Spectral width
March, 2016
GIF File: Winds , Echo intensity , Spectral width
April, 2016
GIF File: Winds , Echo intensity , Spectral width
May, 2016
GIF File: Winds , Echo intensity , Spectral width
June, 2016
GIF File: Winds , Echo intensity , Spectral width
July, 2016
GIF File: Winds , Echo intensity , Spectral width
August, 2016
GIF File: Winds , Echo intensity , Spectral width
September, 2016
GIF File: Winds , Echo intensity , Spectral width
October, 2016
GIF File: Winds , Echo intensity , Spectral width
November, 2016
GIF File: Winds , Echo intensity , Spectral width
December, 2016
GIF File: Winds , Echo intensity , Spectral width

January, 2017
GIF File: Winds , Echo intensity , Spectral width
February, 2017
GIF File: Winds , Echo intensity , Spectral width
March, 2017
GIF File: Winds , Echo intensity , Spectral width
April, 2017
GIF File: Winds , Echo intensity , Spectral width
May, 2017
GIF File: Winds , Echo intensity , Spectral width

EAR Management Group
Research Institute for Sustainable Humanosphere (RISH), Kyoto University
Gokasho, Uji, Kyoto 611-0011, Japan
Created: September 26, 2010
E-mail: ear@rish.kyoto-u.ac.jp