Thumbnail map of region
Middle East Rainfall Intensity
Middle East Peace Process, Multilateral Working Group on Water Resources

EXACT Home
Rainfall Intensity Home

Products
Rainfall Intensity
  Report
Software
User's Manual

Data Collection
Israeli
Jordanian
Palestinian

Israeli Rainfall-Intensity Data Collection Program

Israeli Meteorological Service (IMS)
  • 330 stations are equipped with daily-value gages. These gages are positioned beside strip-chart recorders as a quality-control check of the accuracy of the rainfall measurement.
  • 80 stations are equipped with Dynes-200 strip-chart ("floating" analog) recorders. Sources of error include misaligned chart paper, skewed instrument cylinder, plot pen irregularities, and others.
  • 40 stations are equipped with automatic tipping-bucket recorders. These data typically are transmitted automatically by modem (Lambrecht, Siella, Texas Instruments models); 12 of these stations are equipped with the Casella instrument and a data logger. Sources of error include variable opening diameters among models, very light rainfall (less than 2 mm) does not tip the bucket, and very high intensity rainfall can overload the tipping mechanism.
  • 50 stations in the West Bank / Gaza are (were) equipped with daily-value gages. Data from these stations are available through about 1997. The IMS has one full meteorological station and 11 daily-value gages in Gaza.
  • From 1967 to 1994, Israel assigned minimally-trained staff to monitor the meteorological station at Hebron. Minimal quality control occured during this time. Around 1993, Israel installed telephone data transmission capabilities to the Hebron station.
  • About 6 to 7 years of Doppler Radar data are available on tapes.
  • Historically, data processing was done with hand-written programs (Fortran, C, and Basic) on a Vax computer, and graphical processing was done using Quatropro and Excel. The historic system used a Silicon Graphics Unix server with a local area network for PCs and dumb terminals. During this time the IMS also used a Unix-based Informix database as their agency's system database.

Israeli Soil Erosion Research Station (ISERS)

  • ISERS is responsible for digitizing and processing raw rainfall-intensity datasets.
  • Historically, the ISERS has been responsible for writing computer programs to digitize rainfall-intensity data.
Maintained by:
Executive Action Team (EXACT),
Multilateral Working Group on Water Resources
Updated: August, 2006 		Information presented on this website is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credit is requested. EXACT makes every effort to provide accurate and complete information; however, data such as names, telephone numbers, etc., may change frequently. Links are provided as a source of information and do not constitute an endorsement by EXACT of materials presented. EXACT provides no warranty, expressed or implied, as to the accuracy, reliability, or completeness of furnished data.