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On Tuesday, 24-4-2018, the Meteorological Station in Helwan has reached the extreme rain. The precipitation rate was 300 mm/h at  9:00 pm exactly. The precipitation rate increased to reach 388 mm/h at 10:40 pm.  While this day was sunny and the amount of solar radiation recorded a peak of 900 watts per square meter. !!!

 

 Prof. Dr. Ahmed Ghitas

  • Prof. of Solar Energy Physics
  • Head of Photovoltaic Research Unit
  • Deputy Head of the Solar and Space Research Dep.
    National Research Institute of Astronomy
    and Geophysics (NRIAG)
  • El-Marsad Str. P. O. Box 138 
  • 11421 Helwan – Cairo – Egypt 
  • Tel.: +2 02 25560645 Ext. 372 
  • Fax.: +2 02 25548020
  • Mobile: +2 01096200409