{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:20.512418", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2010-Mar-15_to_2010-Mar-17_244.0_54.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2010030001709}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "March 15 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 17 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 51343.84957596965}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Canada"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.North-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North America"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 54.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 244.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "244.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 241.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 245.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 53.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 57.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-119.03, 55.03], [-118.5, 55.25], [-118.25, 55.15], [-118.18, 55.18], [-118.12, 55.3], [-118.53, 55.47], [-118.75, 56.0], [-118.53, 56.53], [-118.12, 56.7], [-118.25, 57.0], [-118.03, 57.53], [-117.5, 57.75], [-117.25, 57.65], [-117.0, 57.75], [-116.47, 57.53], [-116.32, 57.18], [-115.97, 57.03], [-115.75, 56.5], [-115.93, 56.07], [-115.5, 56.25], [-115.25, 56.15], [-115.0, 56.25], [-114.47, 56.03], [-114.32, 55.68], [-113.97, 55.53], [-113.75, 55.0], [-113.97, 54.47], [-114.5, 54.25], [-114.75, 54.35], [-114.82, 54.32], [-114.97, 53.97], [-115.5, 53.75], [-115.75, 53.85], [-116.0, 53.75], [-116.25, 53.85], [-116.32, 53.82], [-116.47, 53.47], [-116.82, 53.32], [-116.97, 52.97], [-117.5, 52.75], [-118.03, 52.97], [-118.18, 53.32], [-118.25, 53.35], [-118.5, 53.25], [-119.03, 53.47], [-119.25, 54.0], [-119.15, 54.25], [-119.25, 54.5], [-119.03, 55.03]]]]}, "2010-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-119.03, 55.03], [-118.5, 55.25], [-118.25, 55.15], [-118.18, 55.18], [-118.12, 55.3], [-118.53, 55.47], [-118.75, 56.0], [-118.53, 56.53], [-118.12, 56.7], [-118.25, 57.0], [-118.03, 57.53], [-117.5, 57.75], [-117.25, 57.65], [-117.0, 57.75], [-116.47, 57.53], [-116.32, 57.18], [-115.97, 57.03], [-115.75, 56.5], [-115.93, 56.07], [-115.5, 56.25], [-115.25, 56.15], [-115.0, 56.25], [-114.47, 56.03], [-114.32, 55.68], [-113.97, 55.53], [-113.75, 55.0], [-113.97, 54.47], [-114.5, 54.25], [-114.75, 54.35], [-114.82, 54.32], [-114.97, 53.97], [-115.5, 53.75], [-115.75, 53.85], [-116.0, 53.75], [-116.25, 53.85], [-116.32, 53.82], [-116.47, 53.47], [-116.82, 53.32], [-116.97, 52.97], [-117.5, 52.75], [-118.03, 52.97], [-118.18, 53.32], [-118.25, 53.35], [-118.5, 53.25], [-119.03, 53.47], [-119.25, 54.0], [-119.15, 54.25], [-119.25, 54.5], [-119.03, 55.03]]]]}, "2010-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-119.03, 55.03], [-118.5, 55.25], [-118.25, 55.15], [-118.18, 55.18], [-118.12, 55.3], [-118.53, 55.47], [-118.75, 56.0], [-118.53, 56.53], [-118.12, 56.7], [-118.25, 57.0], [-118.03, 57.53], [-117.5, 57.75], [-117.25, 57.65], [-117.0, 57.75], [-116.47, 57.53], [-116.32, 57.18], [-115.97, 57.03], [-115.75, 56.5], [-115.93, 56.07], [-115.5, 56.25], [-115.25, 56.15], [-115.0, 56.25], [-114.47, 56.03], [-114.32, 55.68], [-113.97, 55.53], [-113.75, 55.0], [-113.97, 54.47], [-114.5, 54.25], [-114.75, 54.35], [-114.82, 54.32], [-114.97, 53.97], [-115.5, 53.75], [-115.75, 53.85], [-116.0, 53.75], [-116.25, 53.85], [-116.32, 53.82], [-116.47, 53.47], [-116.82, 53.32], [-116.97, 52.97], [-117.5, 52.75], [-118.03, 52.97], [-118.18, 53.32], [-118.25, 53.35], [-118.5, 53.25], [-119.03, 53.47], [-119.25, 54.0], [-119.15, 54.25], [-119.25, 54.5], [-119.03, 55.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.570055701373064}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 8.066796509967457}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [4.323762055122188, 4.7158376674298665, 3.2984402264090136]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [5.660688342079652, 6.100251474349932, 4.685575546177688]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.241881691870244, 8.671239020009818, 7.287268818022316]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [10.570055701373064, 10.135536899150338, 8.009456120995424]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2699157402961079, 1.3664943640066762, 1.152604666362383]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4755154045790408, 1.5890765170618513, 1.3235202716150485]}}