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Alastair Thompson Profile picture
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18 Apr, 4 tweets, 3 min read
تحديث الساعة 6 مساءً بالتوقيت المحلي:

# إن شاء الله

UPDATE 6pm local time:

#InshAllah
الله اعلم
الله يعلم كل شيء
الله أكبر
إن شاء الله
ثم انتهت العواصف. في الوقت الحالي على الأقل. سلام سلام كامل.

شكرًا لكArab_Storms ، كان من دواعي سروري التعرف عليك.
# العواصف_العربية

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More from @althecat

Alastair Thompson Profile picture
20 Apr
The North Atlantic is mounting a come back to this Spring is over in Europe malarkey. /1
It certainly looks and feels like it’s going to rain here. And Andre our 93 year old neighbor reckons a storm is coming. Image
Ouch.... hopefully not this storm.

I think the weather models may be getting a bit discombobulated what with all this new variability going on.
Read 9 tweets
Alastair Thompson Profile picture
20 Apr
I seriously think the @ECMWF West African Monsoon simulation model is simply broken. Every day the 24 hour it looks the same. Very loopy.

Here are the GZ 20.00 19.00 18.00 and 17.00 model runs for 10 days accumulated precipitation. ImageImageImageImage
GFS same four runs... ImageImageImageImage
KMA same four runs... ImageImageImageImage
Read 6 tweets
Alastair Thompson Profile picture
20 Apr
@MostafaELShakaa The fact of the matter is nobody knows how much water will flow down the Nile this year. Only God knows & there may be a lot more than 85 BCM. Last year and 2016 saw flooding. This year's West Africa Monsoon (WMA) looks unusually strong.
@MostafaELShakaa The small rainy season started on Ramadan, April 13th and rains have been steadily increasing.

Today's forecasts (10 days of accumulated Rain) for the Horn of Africa are below from the EU/US and Korean weather models. These show very strong rainfall. ImageImageImage
@MostafaELShakaa In response to your April 1st tweet. Ethiopia does not want to take any water from Egypt. It simply wants to generate electricity from it before it leaves Ethiopia. The storage capacity of the GERD will likely improve Egypt's ability to utilise Nile flow as it will make it even.
Read 7 tweets
Alastair Thompson Profile picture
19 Apr
@anacascao It looks as if the West African Monsoon is having an unusually strong year. Historically much of the Sahara was forested until 5000 years ago.

It's possible monsoon like conditions are spreading north into the ME - where it also used to be less arid.
@anacascao Computer modelling based on physics also predict all this.
@anacascao For the #GERD the implications are massive. This year the white Nile is already having a massive year. The little rainy season has started in Ethiopia and forecasts consistently show good rainfall for 10-16 days ahead.
Read 6 tweets
Alastair Thompson Profile picture
19 Apr
A series of images of a weekend burst of energy and water into the European weather system starting 8am on Saturday 17th.
2nd image: 3pm 17th - percussive impact as WMA water hits EU system over Aegean.
3rd image: 9.30am 18th - 5 separate weather systems. #EUClimateChange ImageImageImage
The impact of an injection of rain bearing air from West Africa northwards on Europe weather is striking.

A low pressure system is forecast to develop over Western Russia. This displaces the ridge of high pressure which had briefly reversed the flow of cold arctic air south.
This happens almost immediately - and has an immediate catastrophic impact on anticipated European temperatures which are now set to plummet and stay low for a fortnight.
Read 7 tweets
Alastair Thompson Profile picture
18 Apr
هل ستصل العواصف الرعدية إلى الكعبة اليوم؟ الله اعلم.

Will thunderstorms make it to الكعبة [@HolyKaaba] today? God knows.

شاهد هنا >>zoom.earth/#view=21.0357,…

فيديو العاصفة >>@Arab_Storms

توقعات >>meteoblue.com/en/weather/wee…
الرادار >>weatherwx.com/radar-int/sa/m…
Update: 14.45pm (local time)
لمشاهدة ما يحدث داخل الكعبة >> makkahlive.net/tvcamera.aspx

To watch what is happening inside @HolyKaaba >> makkahlive.net/tvcamera.aspx

#ArabianRains #Ramadan #RamadanRain
Read 5 tweets

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