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Monitoramento, Previsões e
Projeções para a
Bacia do Rio São Francisco
02 de Março de 2020
2
Chuva dos últimos 15 dias
3
Chuva dos últimos 30 dias
4
Chuva no ano hidrológico
5FONTE: INPE
Bacia do rio São Francisco
6
Situação Meteorológica atual
FONTE: INMET
7
Fonte: GFS/NOAA
Previsão de chuva próximos 7 dias
8
Fonte: GFS/NOAA
Previsão de anomalia de chuva próximos 7 dias
9
Modelo GFS/NOAA
Bacia do rio São Francisco
10
Modelo GFS/NOAA
Bacia de Sobradinho
11
Modelo GFS/NOAA
Bacia de Três Marias
Tendência para a 2a semana
Modelo GFS/NOAA
Monitoramento Três Marias
Estação Chuvosa - Out a Mar - 1194 mm
2018/2019: 1140 mm (95% da média histórica)
2019/2020: 1180 mm (99% da média histórica)
Estação Seca - Abr a Set – 186 mm
2018: 147 mm (79% da média histórica)
2019: 197 mm (6% acima da média histórica)
Fev/2020: 287 mm (71% acima da média histórica)
Mar/2020: 13 mm (média histórica: 171 mm)
Estação Chuvosa - Nov a Abr - 981 m3/s
2017/2018: 503 m3/s (51% da MLT)
2018/2019: 631 m3/s (64% da MLT)
2019/2020: 916 m3/s (93% da MLT)
Estação Seca - Maio a Out – 265 m3/s
2018: 108 m3/s (41% da MLT)
2019: 166 m3/s (63% da MLT)
Fev/2020**: 1.690 m3/s (135% da MLT)
Precipitação
Vazão
**Até 26 de Fevereiro de 2020
MLT-Media de Longo Termo (1983-2019)
*Até 01 Março de 2020
Dados de precipitação: INMET, ANA, CEMADEN.
Dados de vazão: ONS e ANA.
Três Marias: Previsão de Vazão (modelo PDM)
Dados observados de precipitação (barras pretas) para o período de 17/02 a 01/03/20 e previsão para o período de 02 a 11/03/20.
Dados observados de vazão (linha preta) para o período 17/02/ a 26/02/20 e previsão para o período de 02 a 11/03/20.
As barras coloridas correspondem às previsões da chuva para os 21 membros GEFS/NOAA e à média destes membros.
As linhas coloridas representam os membros de previsão de vazão.
Previsão média para os próximos 10 dias: 2.790 m³/s
Cenários de Vazão
MLT Vazão Mar - Set:
441 m³/s*
Cenário Prec. Crítica
(2017- 60% da climatologia)
488 m³/s ~ 111% da MLT
-25% Prec. Média 473 m³/s ~ 107% da MLT
Prec. Média 554 m³/s ~ 125% da MLT
+25% Prec. Média 640 m³/s ~ 145% da MLT
Três Marias: Projeção de Vazão (modelo PDM)
*MLT (1983-2019)

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Previsão CEMADEN - 02 mar 2020

  • 1. Monitoramento, Previsões e Projeções para a Bacia do Rio São Francisco 02 de Março de 2020
  • 4. 4 Chuva no ano hidrológico
  • 5. 5FONTE: INPE Bacia do rio São Francisco
  • 7. 7 Fonte: GFS/NOAA Previsão de chuva próximos 7 dias
  • 8. 8 Fonte: GFS/NOAA Previsão de anomalia de chuva próximos 7 dias
  • 9. 9 Modelo GFS/NOAA Bacia do rio São Francisco
  • 12. Tendência para a 2a semana Modelo GFS/NOAA
  • 13. Monitoramento Três Marias Estação Chuvosa - Out a Mar - 1194 mm 2018/2019: 1140 mm (95% da média histórica) 2019/2020: 1180 mm (99% da média histórica) Estação Seca - Abr a Set – 186 mm 2018: 147 mm (79% da média histórica) 2019: 197 mm (6% acima da média histórica) Fev/2020: 287 mm (71% acima da média histórica) Mar/2020: 13 mm (média histórica: 171 mm) Estação Chuvosa - Nov a Abr - 981 m3/s 2017/2018: 503 m3/s (51% da MLT) 2018/2019: 631 m3/s (64% da MLT) 2019/2020: 916 m3/s (93% da MLT) Estação Seca - Maio a Out – 265 m3/s 2018: 108 m3/s (41% da MLT) 2019: 166 m3/s (63% da MLT) Fev/2020**: 1.690 m3/s (135% da MLT) Precipitação Vazão **Até 26 de Fevereiro de 2020 MLT-Media de Longo Termo (1983-2019) *Até 01 Março de 2020 Dados de precipitação: INMET, ANA, CEMADEN. Dados de vazão: ONS e ANA.
  • 14. Três Marias: Previsão de Vazão (modelo PDM) Dados observados de precipitação (barras pretas) para o período de 17/02 a 01/03/20 e previsão para o período de 02 a 11/03/20. Dados observados de vazão (linha preta) para o período 17/02/ a 26/02/20 e previsão para o período de 02 a 11/03/20. As barras coloridas correspondem às previsões da chuva para os 21 membros GEFS/NOAA e à média destes membros. As linhas coloridas representam os membros de previsão de vazão. Previsão média para os próximos 10 dias: 2.790 m³/s
  • 15. Cenários de Vazão MLT Vazão Mar - Set: 441 m³/s* Cenário Prec. Crítica (2017- 60% da climatologia) 488 m³/s ~ 111% da MLT -25% Prec. Média 473 m³/s ~ 107% da MLT Prec. Média 554 m³/s ~ 125% da MLT +25% Prec. Média 640 m³/s ~ 145% da MLT Três Marias: Projeção de Vazão (modelo PDM) *MLT (1983-2019)