Very Dangerous Lightning Storm

Code yellow. Saturday, August 27, 2016.
Tonight thunderstorms, locally with a strong thunderstorm. There are also some very heavy thunderstorms for . Locally some showers may be accompanied by hail , gusts around 70 km / h and heavy rainfall in a short time . Tonight pull the thunderstorms away. In addition, the National Plan of Heat RIVM operates due to a continuous period of at least 4 days with maximum temperatures (well) above 27 ° . Warnings for Utrecht . Thunderstorms. Some strong thunderstorms, locally with hail and possibly winds and heavy rainfall in a short time . Risk of lightning , hail and wind gusts. Traffic and outdoor activities can be hampered . Avoid open water and open area, hidden under trees.