Bom dia,<br><br>Para que não se diga que as "lindas cores" dos alertas não nos dizem nada:<br><br><a href="http://www.meteo.pt/pt/enciclopedia/o_tempo/sam/index.html?page=criterios.xml">http://www.meteo.pt/pt/enciclopedia/o_tempo/sam/index.html?page=criterios.xml</a><br>
<br><span class="tit_cont">Critérios de Emissão dos Avisos Meteorológicos</span><br><table class="tablist">
<tbody>
<tr>
<th colspan="7"><font size="2">Para o Continente e Arquipélago da Madeira</font></th>
</tr>
<tr>
<th><font size="2">Aviso</font></th>
<th><font size="2">Parâmetro</font></th>
<td class="sam1 text_center"><font size="2"><strong>Amarelo</strong></font></td>
<td class="sam2 text_center"><font size="2"><strong>Laranja</strong></font></td>
<td class="sam3 text_center"><font size="2"><strong>Vermelho</strong></font></td>
<th><font size="2">Unidade</font></th>
<th><font size="2">Notas</font></th>
</tr>
<tr class="tablelist_bg1">
<td rowspan="2"><font size="1">Vento</font></td>
<td><font size="1">Velocidade Média do Vento</font></td>
<td class="text_center"><font size="1">50 a 70</font></td>
<td class="text_center"><font size="1">71 a 90</font></td>
<td class="text_center"><font size="1">> 90</font></td>
<td><font size="1">km/h</font></td>
<td><font size="1"> </font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Rajada Máxima do Vento</font></td>
<td class="text_center"><font size="1">70 a 90</font></td>
<td class="text_center"><font size="1">91 a 130</font></td>
<td class="text_center"><font size="1">> 130</font></td>
<td><font size="1">km/h</font></td>
<td><font size="1"> </font></td>
</tr>
<tr class="tablelist_bg0">
<td rowspan="2"><font size="1">Precipitação</font></td>
<td rowspan="2"><font size="1">Chuva/Aguaceiros</font></td>
<td class="text_center"><font size="1">10 a 20</font></td>
<td class="text_center"><font size="1">21 a 40</font></td>
<td class="text_center"><font size="1">> 40</font></td>
<td><font size="1">mm/1h</font></td>
<td><font size="1">Milímetros numa hora</font></td>
</tr>
<tr class="tablelist_bg0">
<td class="text_center"><font size="1">30 a 40</font></td>
<td class="text_center"><font size="1">41 a 60</font></td>
<td class="text_center"><font size="1">> 60</font></td>
<td class="block40w"><font size="1">mm/6h</font></td>
<td><font size="1">Milímetros em 6 horas</font></td>
</tr>
<tr class="tablelist_bg1">
<td rowspan="2"><font size="1">Neve</font></td>
<td rowspan="2"><font size="1">Queda de Neve</font></td>
<td class="text_center"><font size="1">5 a 10</font></td>
<td class="text_center"><font size="1">11 a 100</font></td>
<td class="text_center"><font size="1">> 100</font></td>
<td class="block40w"><font size="1">cm</font></td>
<td><font size="1">Cota (altitude >1000 m)</font></td>
</tr>
<tr class="tablelist_bg1">
<td class="text_center"><font size="1">1 a 5</font></td>
<td class="text_center"><font size="1">6 a 30</font></td>
<td class="text_center"><font size="1">> 30</font></td>
<td class="block40w"><font size="1">cm</font></td>
<td><font size="1">Cota (altitude <1000 m)</font></td>
</tr>
<tr class="tablelist_bg0">
<td><font size="1">Trovoada</font></td>
<td><font size="1">Descargas Eléctricas</font></td>
<td class="text_center"><font size="1">a)</font></td>
<td class="text_center"><font size="1">b)</font></td>
<td class="text_center"><font size="1">c)</font></td>
<td class="block40w"><font size="1"> </font></td>
<td><font size="1">a) Frequentes e Dispersas.<br>
b) Frequentes e Concentradas.<br>
c) Muito Frequentes e excessivamente concentradas.</font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Nevoeiro</font></td>
<td><font size="1">Visibilidade</font></td>
<td class="text_center"><font size="1"> *≥ 48h</font></td>
<td class="text_center"><font size="1"> *≥ 72h</font></td>
<td class="text_center"><font size="1"> *≥ 96h</font></td>
<td class="block40w"><font size="1"> </font></td>
<td><font size="1">* - duração</font></td>
</tr>
<tr class="tablelist_bg0">
<td><font size="1">Tempo Quente</font></td>
<td><font size="1">Temperatura Máxima</font></td>
<td class="text_center"><font size="1"># a # *</font></td>
<td class="text_center"><font size="1"># a # *</font></td>
<td class="text_center"><font size="1">> # *</font></td>
<td class="block40w"><font size="1">ºC</font></td>
<td><font size="1">* - duração ≥ 48 horas</font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Tempo Frio</font></td>
<td><font size="1">Temperatura Mínima</font></td>
<td class="text_center"><font size="1"># a # *</font></td>
<td class="text_center"><font size="1"># a # *</font></td>
<td class="text_center"><font size="1">< # *</font></td>
<td class="block40w"><font size="1">ºC</font></td>
<td><font size="1">* - duração ≥ 48 horas</font></td>
</tr>
<tr class="tablelist_bg0">
<td rowspan="2"><font size="1">Agitação Marítima</font></td>
<td rowspan="2"><font size="1">Altura Significativa das Ondas</font></td>
<td class="text_center"><font size="1">4 a 5</font></td>
<td class="text_center"><font size="1">5 a 7</font></td>
<td class="text_center"><font size="1">> 7</font></td>
<td class="block40w"><font size="1">m</font></td>
<td><font size="1">Na costa Oeste</font></td>
</tr>
<tr class="tablelist_bg0">
<td class="text_center"><font size="1">2 a 3</font></td>
<td class="text_center"><font size="1">3 a 5</font></td>
<td class="text_center"><font size="1">> 5</font></td>
<td class="block40w"><font size="1">m</font></td>
<td><font size="1">Com ondulação de Sueste na costa Sul do Algarve</font></td>
</tr>
</tbody>
</table>
<p><font size="1"> </font></p>
<p><font size="1"><strong># </strong>- Valores para cada Distrito apresentados na tabela seguinte.</font></p>
<p><font size="1"> </font></p>
<table class="tablist">
<tbody>
<tr>
<td> </td>
<th colspan="3"><font size="2">Temperatura Mínima</font></th>
<th colspan="3"><font size="2">Temperatura Máxima</font></th>
</tr>
<tr>
<th><font size="2">Distrito</font></th>
<td class="sam1 text_center"><font size="2"><strong>Amarelo</strong></font></td>
<td class="sam2 text_center"><font size="2"><strong>Laranja</strong></font></td>
<td class="sam3 text_center"><font size="2"><strong>Vermelho</strong></font></td>
<td class="sam1 text_center"><font size="2"><strong>Amarelo</strong></font></td>
<td class="sam2 text_center"><font size="2"><strong>Laranja</strong></font></td>
<td class="sam3 text_center"><font size="2"><strong>Vermelho</strong></font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Viana do Castelo</font></td>
<td class="text_center"><font size="1">-1 a -3</font></td>
<td class="text_center"><font size="1">-4 a -5</font></td>
<td class="text_center"><font size="1">< -5</font></td>
<td class="text_center"><font size="1">32 a 36</font></td>
<td class="text_center"><font size="1">37 a 38</font></td>
<td class="text_center"><font size="1">> 38</font></td>
</tr>
<tr class="tablelist_bg0">
<td><font size="1">Braga</font></td>
<td class="text_center"><font size="1">-1 a -3</font></td>
<td class="text_center"><font size="1">-4 a -5</font></td>
<td class="text_center"><font size="1">< -5</font></td>
<td class="text_center"><font size="1">34 a 36</font></td>
<td class="text_center"><font size="1">37 a 38</font></td>
<td class="text_center"><font size="1">> 38</font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Porto</font></td>
<td class="text_center"><font size="1"> 1 a -1</font></td>
<td class="text_center"><font size="1">-2 a -3</font></td>
<td class="text_center"><font size="1">< -3</font></td>
<td class="text_center"><font size="1">32 a 36</font></td>
<td class="text_center"><font size="1">37 a 38</font></td>
<td class="text_center"><font size="1">> 38</font></td>
</tr>
<tr class="tablelist_bg0">
<td><font size="1">Vila Real</font></td>
<td class="text_center"><font size="1">-2 a -3</font></td>
<td class="text_center"><font size="1">-4 a -5</font></td>
<td class="text_center"><font size="1">< -5</font></td>
<td class="text_center"><font size="1">34 a 37</font></td>
<td class="text_center"><font size="1">38 a 39</font></td>
<td class="text_center"><font size="1">> 39</font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Bragança</font></td>
<td class="text_center"><font size="1">-4 a -7</font></td>
<td class="text_center"><font size="1">-8 a -10</font></td>
<td class="text_center"><font size="1">< -10</font></td>
<td class="text_center"><font size="1">34 a 36</font></td>
<td class="text_center"><font size="1">37 a 38</font></td>
<td class="text_center"><font size="1">> 38</font></td>
</tr>
<tr class="tablelist_bg0">
<td><font size="1">Viseu</font></td>
<td class="text_center"><font size="1">-2 a -4</font></td>
<td class="text_center"><font size="1">-5 a -7</font></td>
<td class="text_center"><font size="1">< -7</font></td>
<td class="text_center"><font size="1">35 a 38</font></td>
<td class="text_center"><font size="1">39 a 40</font></td>
<td class="text_center"><font size="1">> 40</font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Guarda</font></td>
<td class="text_center"><font size="1">-3 a -6</font></td>
<td class="text_center"><font size="1">-7 a -10</font></td>
<td class="text_center"><font size="1">< -10</font></td>
<td class="text_center"><font size="1">31 a 33</font></td>
<td class="text_center"><font size="1">34 a 36</font></td>
<td class="text_center"><font size="1">> 36</font></td>
</tr>
<tr class="tablelist_bg0">
<td><font size="1">Castelo Branco</font></td>
<td class="text_center"><font size="1">0 a -2</font></td>
<td class="text_center"><font size="1">-3 a -4</font></td>
<td class="text_center"><font size="1">< -4</font></td>
<td class="text_center"><font size="1">37 a 39</font></td>
<td class="text_center"><font size="1">40 a 41</font></td>
<td class="text_center"><font size="1">> 41</font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Aveiro</font></td>
<td class="text_center"><font size="1">3 a 1</font></td>
<td class="text_center"><font size="1">0 a -1</font></td>
<td class="text_center"><font size="1">< -1</font></td>
<td class="text_center"><font size="1">31 a 35</font></td>
<td class="text_center"><font size="1">36 a 38</font></td>
<td class="text_center"><font size="1">> 38</font></td>
</tr>
<tr class="tablelist_bg0">
<td><font size="1">Coimbra</font></td>
<td class="text_center"><font size="1">-1 a -3</font></td>
<td class="text_center"><font size="1">-4 a -5</font></td>
<td class="text_center"><font size="1">< -5</font></td>
<td class="text_center"><font size="1">35 a 38</font></td>
<td class="text_center"><font size="1">39 a 40</font></td>
<td class="text_center"><font size="1">> 40</font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Leiria</font></td>
<td class="text_center"><font size="1">-1 a -3</font></td>
<td class="text_center"><font size="1">-4 a -6</font></td>
<td class="text_center"><font size="1">< -6</font></td>
<td class="text_center"><font size="1">31 a 35</font></td>
<td class="text_center"><font size="1">36 a 40</font></td>
<td class="text_center"><font size="1">> 40</font></td>
</tr>
<tr class="tablelist_bg0">
<td><font size="1">Lisboa</font></td>
<td class="text_center"><font size="1">3 a 1</font></td>
<td class="text_center"><font size="1">0 a -1</font></td>
<td class="text_center"><font size="1">< -1</font></td>
<td class="text_center"><font size="1">34 a 37</font></td>
<td class="text_center"><font size="1">38 a 40</font></td>
<td class="text_center"><font size="1">> 40</font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Setúbal</font></td>
<td class="text_center"><font size="1">1 a -2</font></td>
<td class="text_center"><font size="1">-3 a -4</font></td>
<td class="text_center"><font size="1">< -4</font></td>
<td class="text_center"><font size="1">35 a 39</font></td>
<td class="text_center"><font size="1">40 a 42</font></td>
<td class="text_center"><font size="1">> 42</font></td>
</tr>
<tr class="tablelist_bg0">
<td><font size="1">Santarém</font></td>
<td class="text_center"><font size="1">1 a -1</font></td>
<td class="text_center"><font size="1">-2 a -3</font></td>
<td class="text_center"><font size="1">< -3</font></td>
<td class="text_center"><font size="1">38 a 41</font></td>
<td class="text_center"><font size="1">42 a 43</font></td>
<td class="text_center"><font size="1">> 43</font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Portalegre</font></td>
<td class="text_center"><font size="1">1 a -1</font></td>
<td class="text_center"><font size="1">-2 a -5</font></td>
<td class="text_center"><font size="1">< -5</font></td>
<td class="text_center"><font size="1">36 a 39</font></td>
<td class="text_center"><font size="1">40 a 41</font></td>
<td class="text_center"><font size="1">> 41</font></td>
</tr>
<tr class="tablelist_bg0">
<td><font size="1">Évora</font></td>
<td class="text_center"><font size="1">1 a -1</font></td>
<td class="text_center"><font size="1">-2 a -4</font></td>
<td class="text_center"><font size="1">< -4</font></td>
<td class="text_center"><font size="1">37 a 40</font></td>
<td class="text_center"><font size="1">41 a 43</font></td>
<td class="text_center"><font size="1">> 43</font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Beja</font></td>
<td class="text_center"><font size="1">1 a -1</font></td>
<td class="text_center"><font size="1">-2 a -4</font></td>
<td class="text_center"><font size="1">< -4</font></td>
<td class="text_center"><font size="1">37 a 40</font></td>
<td class="text_center"><font size="1">41 a 43</font></td>
<td class="text_center"><font size="1">> 43</font></td>
</tr>
<tr class="tablelist_bg0">
<td><font size="1">Faro</font></td>
<td class="text_center"><font size="1">4 a 1</font></td>
<td class="text_center"><font size="1">0 a -1</font></td>
<td class="text_center"><font size="1">< -1</font></td>
<td class="text_center"><font size="1">33 a 37</font></td>
<td class="text_center"><font size="1">38 a 41</font></td>
<td class="text_center"><font size="1">> 41</font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Madeira</font></td>
<td class="text_center"><font size="1">4 a 2</font></td>
<td class="text_center"><font size="1">1 a 0</font></td>
<td class="text_center"><font size="1">< 0</font></td>
<td class="text_center"><font size="1">28 a 34</font></td>
<td class="text_center"><font size="1">35 a 38</font></td>
<td class="text_center"><font size="1">> 38</font></td>
</tr>
</tbody>
</table>
<p><font size="1"> </font></p>
<table class="tablist">
<tbody>
<tr>
<th colspan="7"><font size="2">Para o Arquipélago dos Açores</font></th>
</tr>
<tr>
<th><font size="2">Aviso</font></th>
<th><font size="2">Parâmetro</font></th>
<td class="sam1 text_center"><font size="2"><strong>Amarelo</strong></font></td>
<td class="sam2 text_center"><font size="2"><strong>Laranja</strong></font></td>
<td class="sam3 text_center"><font size="2"><strong>Vermelho</strong></font></td>
<th><font size="2">Unidade</font></th>
<th><font size="2">Notas</font></th>
</tr>
<tr class="tablelist_bg1">
<td rowspan="2"><font size="1">Vento</font></td>
<td><font size="1">Velocidade Média do Vento</font></td>
<td class="text_center"><font size="1">65 - 74</font></td>
<td class="text_center"><font size="1">75 - 87</font></td>
<td class="text_center"><font size="1">> 87</font></td>
<td><font size="1">km/h</font></td>
<td><font size="1"> </font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Rajada Máxima do Vento</font></td>
<td class="text_center"><font size="1">85 a 100</font></td>
<td class="text_center"><font size="1">101 a 130</font></td>
<td class="text_center"><font size="1">> 130</font></td>
<td><font size="1">km/h</font></td>
<td><font size="1"> </font></td>
</tr>
<tr class="tablelist_bg0">
<td rowspan="2"><font size="1">Precipitação</font></td>
<td rowspan="2"><font size="1">Chuva/Aguaceiros</font></td>
<td class="text_center"><font size="1">10 a 20</font></td>
<td class="text_center"><font size="1">21 a 40</font></td>
<td class="text_center"><font size="1">> 40</font></td>
<td><font size="1">mm/1h</font></td>
<td><font size="1">Milímetros numa hora</font></td>
</tr>
<tr class="tablelist_bg0">
<td class="text_center"><font size="1">25 a 40</font></td>
<td class="text_center"><font size="1">41 a 60</font></td>
<td class="text_center"><font size="1">> 60</font></td>
<td><font size="1">mm/6h</font></td>
<td><font size="1">Milímetros em 6 horas</font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Neve</font></td>
<td><font size="1">Queda de Neve</font></td>
<td class="text_center"><font size="1">0 a 1</font></td>
<td class="text_center"><font size="1">2 a 5</font></td>
<td class="text_center"><font size="1">> 5</font></td>
<td><font size="1">cm</font></td>
<td><font size="1">Duração ≥ 48 horas e Cota (altitude >900 m)</font></td>
</tr>
<tr class="tablelist_bg0">
<td><font size="1">Trovoada</font></td>
<td><font size="1">Descargas Eléctricas</font></td>
<td class="text_center"><font size="1">a)</font></td>
<td class="text_center"><font size="1">b)</font></td>
<td class="text_center"><font size="1">c)</font></td>
<td><font size="1"> </font></td>
<td><font size="1">a) Frequentes e Dispersas.<br>
b) Frequentes e Concentradas.<br>
c) Muito Frequentes e excessivamente concentradas.</font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Nevoeiro</font></td>
<td><font size="1">Visibilidade</font></td>
<td class="text_center"><font size="1"> *≥ 48h</font></td>
<td class="text_center"><font size="1"> *≥ 72h</font></td>
<td class="text_center"><font size="1"> *≥ 96h</font></td>
<td><font size="1"> </font></td>
<td><font size="1">* - duração</font></td>
</tr>
<tr class="tablelist_bg0">
<td><font size="1">Tempo Quente</font></td>
<td><font size="1">Temperatura Máxima</font></td>
<td class="text_center"><font size="1"># a # *</font></td>
<td class="text_center"><font size="1"># a # *</font></td>
<td class="text_center"><font size="1">> # *</font></td>
<td><font size="1">ºC</font></td>
<td><font size="1">* - duração ≥ 48 horas</font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Tempo Frio</font></td>
<td><font size="1">Temperatura Mínima</font></td>
<td class="text_center"><font size="1"># a # *</font></td>
<td class="text_center"><font size="1"># a # *</font></td>
<td class="text_center"><font size="1">< # *</font></td>
<td><font size="1">ºC</font></td>
<td><font size="1">* - duração ≥ 48 horas</font></td>
</tr>
<tr class="tablelist_bg0">
<td><font size="1">Agitação Marítima</font></td>
<td><font size="1">Altura Significativa das Ondas</font></td>
<td class="text_center"><font size="1">6 a 7</font></td>
<td class="text_center"><font size="1">8 a 9</font></td>
<td class="text_center"><font size="1">> 9</font></td>
<td><font size="1">m</font></td>
<td><font size="1"> </font></td>
</tr>
</tbody>
</table>
<p><font size="1"><strong> # </strong>- Valores para cada Grupo apresentados na tabela seguinte.</font></p>
<p><font size="1"> </font></p>
<table class="tablist"><tbody><tr>
<td> </td>
<th colspan="3"><font size="2">Temperatura Mínima</font></th>
<th colspan="3"><font size="2">Temperatura Máxima</font></th>
</tr>
<tr>
<th><font size="2">Grupo</font></th>
<td class="sam1 text_center"><font size="2"><strong>Amarelo</strong></font></td>
<td class="sam2 text_center"><font size="2"><strong>Laranja</strong></font></td>
<td class="sam3 text_center"><font size="2"><strong>Vermelho</strong></font></td>
<td class="sam1 text_center"><font size="2"><strong>Amarelo</strong></font></td>
<td class="sam2 text_center"><font size="2"><strong>Laranja</strong></font></td>
<td class="sam3 text_center"><font size="2"><strong>Vermelho</strong></font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Oriental</font></td>
<td class="text_center"><font size="1">8 a 5</font></td>
<td class="text_center"><font size="1">4 a 0</font></td>
<td class="text_center"><font size="1">< 0</font></td>
<td class="text_center"><font size="1">28 a 29</font></td>
<td class="text_center"><font size="1">30 a 31</font></td>
<td class="text_center"><font size="1">> 31</font></td>
</tr>
<tr class="tablelist_bg0">
<td><font size="1">Central</font></td>
<td class="text_center"><font size="1">8 a 5</font></td>
<td class="text_center"><font size="1">4 a 0</font></td>
<td class="text_center"><font size="1">< 0</font></td>
<td class="text_center"><font size="1">28 a 29</font></td>
<td class="text_center"><font size="1">30 a 31</font></td>
<td class="text_center"><font size="1">> 31</font></td>
</tr>
<tr class="tablelist_bg1">
<td><font size="1">Ocidental</font></td>
<td class="text_center"><font size="1"> 8 a 5</font></td>
<td class="text_center"><font size="1">4 a 0</font></td>
<td class="text_center"><font size="1">< 0</font></td>
<td class="text_center"><font size="1">28 a 29</font></td>
<td class="text_center"><font size="1">30 a 31</font></td>
<td class="text_center"><font size="1">> 31</font></td></tr></tbody></table><br><br><br><br><br><br><br>Agora, é só seguir as recomendações para as diferentes condições climatéricas (por ex. vestir o tal "casaquinho")<br>
<br>Para mais ajuda a malvada da Protecção Civil, tem no seu sitio na internet uma colecção de material de informação ao público:<br><br><a href="http://www.proteccaocivil.pt/InformacaoPublica/RecInformativosPedagogicos/Pages/Folhetos.aspx">http://www.proteccaocivil.pt/InformacaoPublica/RecInformativosPedagogicos/Pages/Folhetos.aspx</a><br>
<br><br><br>É só fazer o download, e ler... e se efectivamente quiser fazer a sua parte no âmbito da PC, passe um ou dois, ou três folhetos aos seus familiares e amigos.<br>Vai ver que não custa nada.<br>Quanto ao protagonismo, cada um terá o que achar por bem. <br>
<br><br><br><br>Cumprimentos e mantenham-se agasalhados<br><br><br>Salomão Fresco<br><br><br><br><br><br>