---
title: A thunderstorm forms when warm, moist air rises fast and builds a ta… — Weather, storms and the changing climate · tree and pragmatics
description: A thunderstorm forms when warm, moist air rises fast and builds a tall cumulonimbus cloud, where ice and water bump together and build up electric charge. Who acts: thunderstorm, warm moist air, ice. A sentence of the lesson «Weather, storms and the changing climate» of the geography course of Mova'
---

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# Weather, storms and the changing climate, sentence 13

<!-- .ven lang=en -->
A thunderstorm forms when warm, moist air rises fast and builds a tall cumulonimbus cloud, where ice and water bump together and build up electric charge.

<!-- .vintro -->
**Who acts:** thunderstorm, warm moist air, ice · **What happens:** form, rise, build, bump, build up · **To what, where:** tall cumulonimbus cloud, electric charge

<!-- .vabout -->
This is a sentence of the lesson «Weather, storms and the changing climate» of the geography course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (thunderstorm, warm moist air, ice), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:geography:023-weather-storms-and-the-changing-climate.lesson:13
# text = A thunderstorm forms when warm, moist air rises fast and builds a tall cumulonimbus cloud, where ice and water bump together and build up electric charge.
# source = school lesson (ours)
# course = geography
# lesson = 023-weather-storms-and-the-changing-climate.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1, R6-punct-agree ×1
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	thunderstorm	thunderstorm	NOUN	NN	Number=Sing	3	nsubj	_	_
3	forms	form	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	when	when	SCONJ	WRB	_	9	mark	_	_
5	warm	warm	ADJ	JJ	Degree=Pos	8	amod	_	_
6	,	,	PUNCT	,	_	5	punct	_	_
7	moist	moist	ADJ	JJ	Degree=Pos	8	amod	_	_
8	air	air	NOUN	NN	Number=Sing	9	nsubj	_	_
9	rises	rise	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	advcl	_	_
10	fast	fast	ADV	RB	Degree=Pos	9	advmod	_	_
11	and	and	CCONJ	CC	_	12	cc	_	_
12	builds	build	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	conj	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
14	tall	tall	ADJ	JJ	Degree=Pos	16	amod	_	_
15	cumulonimbus	cumulonimbus	NOUN	NN	Number=Sing	16	compound	_	_
16	cloud	cloud	NOUN	NN	Number=Sing	12	obj	_	_
17	,	,	PUNCT	,	_	19	punct	_	_
18	where	where	ADV	WRB	PronType=Rel	22	advmod	_	_
19	ice	ice	NOUN	NN	Number=Sing	22	nsubj	_	_
20	and	and	CCONJ	CC	_	21	cc	_	_
21	water	water	NOUN	NN	Number=Sing	19	conj	_	_
22	bump	bump	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	16	acl:relcl	_	_
23	together	together	ADV	RB	_	22	advmod	_	Agree=R5-strong|Haiku=25:advmod
24	and	and	CCONJ	CC	_	25	cc	_	_
25	build	build	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	22	conj	_	_
26	up	up	ADP	RP	_	25	compound:prt	_	_
27	electric	electric	ADJ	JJ	Degree=Pos	28	amod	_	_
28	charge	charge	NOUN	NN	Number=Sing	25	obj	_	_
29	.	.	PUNCT	.	_	3	punct	_	Agree=R6-punct-agree|Haiku=10:punct
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **form** | present | a thunderstorm |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 2 | **rise** | present | warm moist air |  |  |  |  | fast *property* | vn assuming\_position-50 «NP V»: agent=Agent |
| 3 | **build** | present | warm moist air *not said here* | a tall cumulonimbus cloud |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset cloud=Product |
| 4 | **bump** | present | ice and water |  |  |  |  | together *property* | vn bump-18.4-1 «NP V together»: agent=Theme |
| 5 | **build up** | present | ice and water *not said here* | electric charge |  |  |  |  | vn caused\_calibratable\_cos-45.6.2-1 «NP V NP.patient»: agent=Causer charge=Patient |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:geography:023-weather-storms-and-the-changing-climate.lesson:13`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1, R6-punct-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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