The Prayers of Signs
Question :

When does Prayer of Signs becomes obligatory?

Answer :

The Prayer of Signs (Salat al-Ayat) is performed when the following events take place: lunar eclipses and solar eclipses, even if they do not cause fear; and every celestial event that causes fear, like thunderbolts and black storms; similarly, during earthquakes as an obligatory precaution, as well as during every earthly event that causes fear, such as great destruction, landslides, etc.

Qunoot of the Prayer of Signs
Question :

In the prayers of signs, when do I offer the Qunoot?

Answer :

It is recommended before the second, fourth, sixth, eighth and the tenth Ruku.

How to Perform the Prayer
Question :

I know that in the prayers of signs one can recite Surat-ul Fatiha and then divide the other chapter like Surat-ul-Ikhlas in five parts. Do you raise your hands up and offer Takbir after each part of the surah before doing Ruku?

Answer :

It is recommended to do so, although not obligatory.

Lunar Eclipse
Question :

When can I start performing Ayat prayer for the lunar eclipse? At the beginning of the penumbral eclipse or at the beginning of umbral eclipse?

Answer :

The time of the Prayer of Signs starts when the beginning of lunar eclipse becomes visible - and this may not be during the penumbral stage of the eclipse - and it ends when the moon returns to its normal state.