Alastair Thompson Profile picture
Climate, Conflict, Politics, Africa. Editor https://t.co/b6HbxvmnsV (NZ) Reporting from France. https://t.co/LNVK0y9IS7 #nzpol #DesertRain

Sep 28, 2021, 6 tweets

There was a nice clear view of Ethiopia yesterday morning from @NASA's World view.

A Meskel rainfall forecast follows.

This is a 12 day accumulating rainfall forecast. Central Ethiopian areas continue to receive around 10mm of rain a day on average through the forecast period.

The reason for the late season ongoing rains is a late rainy season climate anomaly driven by persistent monsoon conditions in the Indian Ocean, including several low pressure cyclonic storms.

This animation shows the anomaly over a 16 day period from the @NOAA GFS Model.

This animation, also 16 days shows the latest GFS model predictions for atmospheric moisture (precipitable water PWAT) over the Middle East.

This shows a cyclone in the northern Arabian Sea which brings high levels of moisture west ,into the Gulf of Aden and over the highlands.

Here we see how anomalous this atmospheric moisture is for this time of year compared to the 1981-2010 30-yr reference climate data set.

As you can see the trajectory of this climate anomaly [unusual weather pattern for this time of year] is directly over Ethiopia.

Share this Scrolly Tale with your friends.

A Scrolly Tale is a new way to read Twitter threads with a more visually immersive experience.
Discover more beautiful Scrolly Tales like this.

Keep scrolling