Characteristics of Rainfall over Jordan

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Characteristics of Rainfall over Jordan

• Jaser K. Rabadi
• Jordan Meteorological Department

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Effectiveness of Rain (meteorological factors)

• Amounts
• Distribution (events, season)
• Thermal Regime

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Meet the Season

• Span November April
• Annual Range 580 30 mm
• No. of events (gt 10 mm) 40 10
• Intensity 100 mm/24 hrs
• Types mixed (rain, snow,)

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Rain Makers

• Mid-latitude Frontal Depressions (Atlantic,
  Mediterranean, Europe )
  widespread rain, snow
• Instability (thermal, orographic)
  Local effects flash
  floods

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Spatial Distribution West-East
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North-South
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Spatial Distribution
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Inter-annual Variability
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Thermal Regime
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Annual cycle of Daily Mean Temperature
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Water Balance
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Water Balance
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Improving Rainfall network, Needs..

• Spatial Coverage Remote areas Newly developed
  Zones
• Automation Automatic weather stations, data
  loggers,
• None-routine measurements Ozone, UV radiations,
  ..
• Specialized Training Radar, Satellite, data
  processing,
• Inter-agencies cooperation

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Thank you