​:::::::::::::::::::::::::::::::::::::
​::::::: Last Update: 04 Jul 2020 :::::::
:::::::::::::::::::::::::::::::::::::

Note:
""""
​ Quasi-Biennial Oscillation Map
""""
Analysis By: Mean of Zonal Wind, Meridional wind at 10hPa, 20hPa, 30hPa, 50hPa, 70hPa, 100hPa Levels
Computed By: Arabian Project - Data Source: ECMWF ER5 - KHALID AL-OTAIBI​
""""
​ Quasi-Biennial Oscillation Index
""""
Analysis: Zonal Winds Anomaly at 10hP​a To 100hPa [Lat -10 To 10 -  Long: 0 To 360] By PCA - Bi-variate Linear Regression [Residuals] ​​- Kernel Density.
Computed By: Arabian Project - Data Source: NOAA/ESRL Physical Sciences Division - KHALID AL-OTAIBI

1- QBO Heat Map
QBO-PCA1 Method ​​
​Analysis Date: 02 Jul 2018 To 02 Jul 2020

2- QBO Map​

A- QBO-Mean Method 
 ::::: QBO During May 2020 :::::

B- QBO-Differences Method
​ ::::: QBO During: 17 May 2020 To 17 Jun 2020 :::::

2- QBO INDEX For QBO-PCA Method ​

A- QBO PCA Index - Scatter

Analysis Date: 02 Jul 2018 To 02 Jul 2020

​B- QBO PCA Index - Time Series

​Analysis Date: 02 Jul 2018 To 02 Jul 2020

2- QBO KERNEL DENSITY INDEX

​Analysis Date: 18 Jun 2018 To 18 Jun 2020