Сверху падали снежинки, и мне стало спокойно.

Сверху means from above, from the top, or sometimes simply down from overhead.

In this sentence, it tells you where the snowflakes were falling from:

• Сверху падали снежинки = Snowflakes were falling from above

It is an adverb, so there is no preposition before it here.

A learner might compare:

• сверху = from above / from the top
• вверху = above / up above

So here сверху emphasizes the source/direction of the falling.

Because the subject is снежинки, which is plural.

• снежинка = snowflake
• снежинки = snowflakes

Russian past-tense verbs agree with the subject in gender/number:

• падал = he/it (masculine) was falling
• падала = she/it (feminine) was falling
• падало = it (neuter) was falling
• падали = they were falling

Since snowflakes are plural, the verb must be падали.

It is nominative plural, because it is the subject of the verb падали.

You can identify it by asking: What was falling?

• снежинки = the snowflakes

So:

• Сверху падали снежинки
  = Snowflakes were falling from above

Even though the word ending -и can appear in different cases, here the role in the sentence shows it is nominative plural.

Падали is the imperfective past, and it suggests an ongoing process or background scene:

• падали снежинки = snowflakes were falling

This sounds like a gentle scene unfolding over time.

If you used упали, that would be perfective and would mean something more like:

• снежинки упали = the snowflakes fell / have fallen

That focuses on the completed result, not the ongoing atmosphere.

So падали is natural here because the sentence is painting a scene, not reporting a one-time completed event.

This is one of the most important things to notice in the sentence.

Мне стало спокойно is an impersonal construction. Literally, it is something like:

• To me it became calm

But in natural English, it means:

• I felt calm
• I became calm
• A feeling of calm came over me

Structure:

• мне = to me (dative)
• стало = became
• спокойно = calm / peaceful

Russian often uses this kind of structure to describe states, feelings, and sensations.

By contrast:

• я стал спокойным means I became calm too, but it sounds more like a description of my character/state as a person
• мне стало спокойно sounds more like I felt calm inside

So in this sentence, the impersonal version is more natural and emotional.

Because Russian often uses the dative case for the person experiencing a feeling or state.

Here, мне does not mean me as a direct object. It means something more like:

• to me
• for me
• in me, in the sense of experience

This pattern is very common:

• мне холодно = I am cold
• мне грустно = I am sad
• мне весело = I am happy / having fun
• мне стало спокойно = I became calm / I felt calm

So the dative marks the experiencer.

Because this is an impersonal sentence.

In Russian impersonal constructions, the verb is often put in:

• neuter singular in the past tense

So:

• стало is the past tense neuter singular of стать

There is no normal subject like я or он controlling the verb here. The sentence is built around a state happening to someone:

• мне стало спокойно

That is why you do not get:

• мне стала спокойно
• мне стали спокойно

The standard impersonal form is стало.

Here спокойно is best understood as a predicative word of state. For learners, it often looks like an adverb, and historically it is related to the adjective спокойный.

In this sentence, it means:

• calm
• peaceful

But it is not describing a verb like a normal adverb would. It is describing a state:

• мне стало спокойно = I felt calm

Compare:

• спокойный человек = a calm person
• спокойно говорить = to speak calmly
• мне спокойно = I feel calm

So here спокойно is part of the expression of inner state.

Good question. The difference is about change versus existing state.

мне стало спокойно

= I became calm / I started to feel calm

This shows a change of state.

мне было спокойно

= I was calm / I felt calm

This describes the state as already existing in the past.

So in your sentence:

• Сверху падали снежинки, и мне стало спокойно.

the snowflakes falling caused or accompanied a new feeling of calm.

If you said:

• Сверху падали снежинки, и мне было спокойно.

that would mean the scene existed during a time when you were already feeling calm.

Because и here joins two clauses, and each clause has its own grammatical center.

First clause:

• Сверху падали снежинки
• verb: падали

Second clause:

• мне стало спокойно
• verb: стало

So the comma is needed because these are two separate parts of the sentence:

• Snowflakes were falling from above, and I felt calm.

In Russian, a comma is usually used before и when it connects two full clauses.

No, Russian word order is fairly flexible, but changing it changes the focus or style.

The original:

• Сверху падали снежинки, и мне стало спокойно.

This sounds natural and slightly literary, with сверху placed first for atmosphere.

Other possible orders:

• Снежинки падали сверху, и мне стало спокойно.
  More neutral: Snowflakes were falling from above...

• И мне стало спокойно, сверху падали снежинки.
  This shifts the focus and sounds more marked or literary.

So the original order helps create a calm visual scene before giving the emotional reaction.

Yes, depending on context.

The word спокойно can mean:

• calm
• peaceful
• at ease

So possible translations include:

• Snowflakes were falling from above, and I felt calm.
• Snowflakes were falling from above, and I felt peaceful.
• Snowflakes were falling from above, and a sense of calm came over me.

The exact English choice depends on tone:

• calm = more direct and common
• peaceful = softer, more atmospheric
• at ease = emphasizes relief or comfort

Yes, but it would create a slightly different image.

Снежинки

= snowflakes

This is more visual, delicate, and poetic. You imagine individual flakes falling.

Снег

= snow

This is more general.

Compare:

• Сверху падали снежинки = Snowflakes were falling from above
• Сверху падал снег = Snow was falling from above

The version with снежинки creates a more vivid and gentle atmosphere, which fits well with мне стало спокойно.

It is natural Russian, but it does have a slightly descriptive and literary feel.

Why?

• сверху at the beginning helps create atmosphere
• снежинки is more picturesque than just снег
• мне стало спокойно expresses an inner emotional change in a smooth, elegant way

A native speaker would understand it easily in normal language, but it also sounds suitable for narration, memoir, or fiction.

So it is both:

• grammatically normal
• stylistically a bit evocative