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24 hour rain totals
24 hour rain totals













Additionally, instrumentation problems can generate a report far in excess of the meteorological conditions. For example a “fat finger” error, such as hand-digitizing 28.0☌ as 82.0☌, would create a world record observation that every quality-control system would say was invalid. The truth be told, world records are mistakenly created all the time. The committee may also consult with a wide variety of additional experts. The committee consists of the president of the Commission for Climatology, the Chair of the CCl Open Programme Area Group (OPAG) on Monitoring and Analysis of Climate Variability and Change (the Rapporteur is part of this OPAG) and a representative of the relevant Member State’s National Meteorological or Hydrometeorological Service, as well as experts in the appropriate meteorological phenomenon and observing instrumentation as required. When a new record has been reported, the Rapporteur organizes an ad hoc extremes committee to provide an expert and unbiased recommendation as to whether the extreme in question should be added to the list. As these records amount to coveted “bragging rights” and are critical to monitoring and evaluating climate change, the Commission for Climatology decided to appoint a Rapporteur on Climate Extremes to keep an official, unbiased list. Their answers, however, do not necessarily agree. Many people ask what were the hottest, coldest, wettest, driest observations ever recorded and, interestingly, several different self-appointed experts have responded to these questions. These committees are created on an “as-needed” basis to assess the occurrence of specific potential world, hemispheric and regional weather extreme records, such as maximum and minimum temperatures, highest and lowest pressures and various rainfall amounts. In particular, can we determine, after a major weather or climate event has occurred, whether that event actually was a world weather record? Was it the hottest, the coldest, the wettest or the windiest? Puzzles of this type are now being actively investigated by members of special ad hoc world record weather extremes committees of WMO’s Commission for Climatology (CCl). We all appreciate a good mystery and, for those interested in weather, the elements of our atmosphere can often provide the most fascinating puzzles. In the heart of every meteorologist and climatologist beats the soul of a detective.

24 hour rain totals

By Randall Cerveny 1, Valentina Davydova Belitskaya 2, Pierre Bessemoulin 3, Miguel Cortez 4, Chris Landsea 5 and Thomas C.















24 hour rain totals