About The Archive
Online — In 2006, the World Meteorological Organization (WMO) Commission for Climatology (CCl) WMO OPAG 2 group unanimously agreed to the creation of a world archive for verifying, certifying and storing world weather extremes.
They agreed that a set of procedures should be established such that existing record extremes are verified and made available to the general public and that future weather record extremes are verified and certified.
They agreed that future weather extremes would be evaluated by a committee consisting of the WMO CCl Rapporteur for Climate Extremes, the chair of the OPAG 2 group, the chair of the overarching CC1 group, a regional authority, and as necessary an authority associated with the specific type of record (temperature, pressure, hail, tornado, tropical cyclone, etc.).
The committee would recommend a finding to the Rapporteur. The Rapporteur for Climate Extremes would have final authority and responsibility for certifying the record.
All accepted and verified record extremes (with corresponding metadata) are to given on this website.
Inquiries for consideration of new world/regional weather records should be made to the Rapporteur for Climate Extremes: Randy Cerveny (firstname.lastname@example.org)
Temperature: Highest & Lowest Temperature
Pressure: Highest Sea Level Air Pressure Below 750 m, Highest Sea Level Air Pressure Above 750 m, and Lowest Sea Level Air Pressure (excluding tornadoes).
Rainfall: Greatest 1-Min Rainfall, Greatest 60-Min Rainfall, Greatest 12-Hr Rainfall, Greatest 24-Hr Rainfall, Greatest 48-Hr Rainfall, Greatest 72-Hr Rainfall, Greatest 96-Hr Rainfall, and Greatest 12-Mo Rainfall.
Hail: Heaviest Hailstone
Aridity: Longest Dry Period
Wind: Maximum Gust, Maximum Gust for Tropical Cyclone
Lightning :Longest Distance Lightning Flash, Longest Duration Lightning Flash
Weather-Related Mortality: Highest Mortality: Lightning, Highest Mortality: Lightning (single stroke), Highest Mortality: Tropical Cyclone, Highest Mortality: Tornado, Highest Mortality: Hailstorm
Hemispheric Weather & Climate Extremes
Continental Weather & Climate Extremes: Based on World Meteorological Organization Defined Regions
World Tornado Records
World Tropical Cyclone Records
World Meteorological-Related Phenomena Records
Members of the inaugural WMOCCL OPAG2 committee for the World:
- Craig Donlon (United Kingdom)
- Jay Lawrimore (United States)
- Rainer Hollmann (Germany)
- Thomas C. Peterson (United States)
- Wan Azli Wan Hassan (Malaysia)
- Xiaolan Wang (Canada)
- Zuqiang Zhang (China)
Current managers of the WMO Weather and Climate Extremes Archive are:
Dr. Randy Cerveny, School of Geographical Sciences, Arizona State University
Bohumil Svoma, School of Geographical Sciences, Arizona State University