English term
Chile
Your translation right away!
Native in: Portuguese 
Works in: English to Portuguese, Spanish to Portuguese
storming and norming
Proposed translations
Portugal
Maria Teresa Borges de Almeida 
30+ years translating EU documents
Native in: Portuguese (Variant: European/Portugal) 
Works in: English to Portuguese, French to Portuguese, Spanish to Portuguese, and 1 more.
tempestade e bonança
turbulência e normalidade
Brazil
German, English, Spanish to Portuguese!
Native in: German (Variant: Germany) , Portuguese (Variant: Brazilian)
Works in: German to Portuguese, English to Portuguese, English to German, and 2 more.
colisão e normatização
Portugal
Native in: Portuguese (Variant: European/Portugal)
Works in: English to Portuguese, Portuguese to English, French to Portuguese, and 1 more.
conflito/debate e normalização/consenso
Resumidamente, a fase de "storming" é a fase de conflitos e debate de ideias ("brainstorming"), e a fase de "norming" é a fase de normalização e consensos.
Naturalmente, ocorrem diferentes traduções para estes termos.
vd links:
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Note added at 39 mins (2015-02-13 20:14:03 GMT)
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1. ("Forming – Storming – Norming – Performing"): http://en.wikipedia.org/wiki/Tuckman's_stages_of_group_devel...
2. ("formação, tempestade; normalização; e desempenho"): https://www.google.pt/url?sa=t&rct=j&q=&esrc=s&source=web&cd...
3. ("Storming ou fase “tempestuosa”; Norming ou fase de normalização"): http://www.trabalhosfeitos.com/ensaios/Psicologia/65571442.h...
4. ("Storming (Confusão); Norming (Normalização)): http://www.portalwebmarketing.com/PlataformasColaborativas/A...
5. ((Pág.16)"Storming/Conflito; Normng/Acordo"): http://www.slideshare.net/gugpsucesu/gestao-depessoasemproje...
6. ("Storming-Conflito de ideias; Norming-Consenso"): http://projetointerativo.blogspot.pt/2012/06/formacao-de-gru...
Will do!
Native in: Portuguese (Variant: European/Portugal)
Works in: English to Portuguese, French to Portuguese, German to Portuguese, and 1 more.
discussão e consenso (discussões e consensos)
Fases do trabalho de formação de equipas.
http://www.mindtools.com/pages/article/newLDR_86.htm
Brazil
32 years engineering/law/contracts
Native in: English (Variant: US) , Portuguese (Variant: Brazilian)
Works in: English to Portuguese, Portuguese to English
confronto e normalização
https://www.google.com.br/search?q=retardo no pulso&rlz=1C1M...
http://www.mindtools.com/pages/article/newLDR_86.htm
http://www1.umn.edu/ohr/toolkit/workgroup/norming/
http://www.ispor.org/meetings/invitational/QALY/Portuguese/M...
http://blog.lambda3.com.br/2013/05/qual-o-estagio-de-maturid...
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Note added at 2 hrs (2015-02-13 21:51:50 GMT)
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Desculpe, postei o link do Google incorreto acima:
https://www.google.com.br/search?q=storming, norming perform...
Discussion
http://www.3pta.com.br/downloads/CompConflitos3pta.pdf
https://www.google.com.br/search?q=storming, norming perform...