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The present study evaluates the performance of three numerical weather forecasting models: Global Forecast System (GFS), Brazilian Regional Atmospheric Modelling System (BRAMS) and ETA Regional Model (ETA), by means of the Mean Error (ME) and the Root Mean Square Error (RMSE), during the most rainy four months period (January to April 2012) on Eastern Amazonia. The models displayed errors of superestimation and underestimation with respect to the observed precipitation, mainly over center-north of Pará and all of Amapá, where the precipitation is higher. Among the analyzed models, GFS shows the best performance, except during January and March, when the model to underestimated precipitation, possibly due to the anomalously high values recorded.
Pyoderma gangrenosum is a rare ulcerative cutaneous
disorder commonly associated with systemic diseases such as inflammatory
bowel diseases. This paper reports a case of pyoderma gangrenosum affecting
the mouth and the skin associated with ulcerative colitis. A Medline search in
English literature from 1961 to 2012 revealed only 11 documented cases of
pyoderma gangrenosum with oral involvement. Previous reported cases of oral
cavity involvement have shown that the most common sites of manifestation are
the tongue, palate, and tonsillar fauces. This case emphasizes the importance
of including inflammatory bowel diseases and their manifestations in the differential diagnosis of ulcerative lesions in the oral cavity.