{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:17:16.948456", "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": "2022-Jan-28_to_2022-Feb-01_247.5_19.0"}, "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": 2022010002759}, "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": "January 28 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 01 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 151188.91001692132}, "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": ["Mexico"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": ["Pacific Ocean"]}, "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": 19.0}, "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": 247.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "247.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 245.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 250.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-111.32, 17.82], [-111.47, 17.47], [-111.82, 17.32], [-111.97, 16.97], [-112.32, 16.82], [-112.47, 16.47], [-113.0, 16.25], [-113.53, 16.47], [-113.68, 16.82], [-113.75, 16.85], [-114.0, 16.75], [-114.25, 16.85], [-114.5, 16.75], [-115.03, 16.97], [-115.25, 17.5], [-115.03, 18.03], [-114.68, 18.18], [-114.65, 18.25], [-114.75, 18.5], [-114.65, 18.75], [-114.75, 19.0], [-114.53, 19.53], [-114.0, 19.75], [-113.75, 19.65], [-113.68, 19.68], [-113.65, 19.75], [-113.75, 20.0], [-113.53, 20.53], [-113.0, 20.75], [-112.75, 20.65], [-112.68, 20.68], [-112.53, 21.03], [-112.18, 21.18], [-112.03, 21.53], [-111.68, 21.68], [-111.53, 22.03], [-111.18, 22.18], [-111.15, 22.25], [-111.25, 22.5], [-111.15, 22.75], [-111.25, 23.0], [-111.15, 23.25], [-111.18, 23.32], [-111.53, 23.47], [-111.75, 24.0], [-111.53, 24.53], [-111.0, 24.75], [-110.47, 24.53], [-110.32, 24.18], [-109.97, 24.03], [-109.75, 23.5], [-109.85, 23.25], [-109.82, 23.18], [-109.47, 23.03], [-109.25, 22.5], [-109.35, 22.25], [-109.32, 22.18], [-108.97, 22.03], [-108.75, 21.5], [-108.97, 20.97], [-109.32, 20.82], [-109.47, 20.47], [-109.82, 20.32], [-109.85, 20.25], [-109.75, 20.0], [-109.97, 19.47], [-110.32, 19.32], [-110.35, 19.25], [-110.25, 19.0], [-110.47, 18.47], [-110.82, 18.32], [-110.97, 17.97], [-111.32, 17.82]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Central-America", "N.Pacific-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-01-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-111.53, 24.53], [-111.0, 24.75], [-110.47, 24.53], [-110.25, 24.0], [-110.47, 23.47], [-111.0, 23.25], [-111.53, 23.47], [-111.75, 24.0], [-111.53, 24.53]]]]}, "2022-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-114.65, 18.25], [-114.75, 18.5], [-114.65, 18.75], [-114.75, 19.0], [-114.53, 19.53], [-114.0, 19.75], [-113.75, 19.65], [-113.68, 19.68], [-113.65, 19.75], [-113.75, 20.0], [-113.53, 20.53], [-113.0, 20.75], [-112.75, 20.65], [-112.68, 20.68], [-112.53, 21.03], [-112.18, 21.18], [-112.03, 21.53], [-111.68, 21.68], [-111.53, 22.03], [-111.18, 22.18], [-111.15, 22.25], [-111.25, 22.5], [-111.15, 22.75], [-111.25, 23.0], [-111.15, 23.25], [-111.18, 23.32], [-111.53, 23.47], [-111.75, 24.0], [-111.53, 24.53], [-111.0, 24.75], [-110.47, 24.53], [-110.32, 24.18], [-109.97, 24.03], [-109.75, 23.5], [-109.85, 23.25], [-109.82, 23.18], [-109.47, 23.03], [-109.25, 22.5], [-109.35, 22.25], [-109.32, 22.18], [-108.97, 22.03], [-108.75, 21.5], [-108.97, 20.97], [-109.32, 20.82], [-109.47, 20.47], [-109.82, 20.32], [-109.85, 20.25], [-109.75, 20.0], [-109.97, 19.47], [-110.32, 19.32], [-110.35, 19.25], [-110.25, 19.0], [-110.47, 18.47], [-110.82, 18.32], [-110.97, 17.97], [-111.5, 17.75], [-111.75, 17.85], [-112.0, 17.75], [-112.25, 17.85], [-112.5, 17.75], [-112.75, 17.85], [-113.0, 17.75], [-113.25, 17.85], [-113.32, 17.82], [-113.35, 17.75], [-113.25, 17.5], [-113.47, 16.97], [-114.0, 16.75], [-114.25, 16.85], [-114.5, 16.75], [-115.03, 16.97], [-115.25, 17.5], [-115.03, 18.03], [-114.68, 18.18], [-114.65, 18.25]]]]}, "2022-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-114.65, 18.25], [-114.75, 18.5], [-114.65, 18.75], [-114.75, 19.0], [-114.53, 19.53], [-114.0, 19.75], [-113.75, 19.65], [-113.68, 19.68], [-113.65, 19.75], [-113.75, 20.0], [-113.53, 20.53], [-113.0, 20.75], [-112.75, 20.65], [-112.68, 20.68], [-112.53, 21.03], [-112.18, 21.18], [-112.03, 21.53], [-111.68, 21.68], [-111.53, 22.03], [-111.18, 22.18], [-111.15, 22.25], [-111.25, 22.5], [-111.15, 22.75], [-111.25, 23.0], [-111.15, 23.25], [-111.18, 23.32], [-111.53, 23.47], [-111.75, 24.0], [-111.53, 24.53], [-111.0, 24.75], [-110.47, 24.53], [-110.32, 24.18], [-109.97, 24.03], [-109.75, 23.5], [-109.85, 23.25], [-109.82, 23.18], [-109.47, 23.03], [-109.25, 22.5], [-109.35, 22.25], [-109.32, 22.18], [-108.97, 22.03], [-108.75, 21.5], [-108.97, 20.97], [-109.32, 20.82], [-109.47, 20.47], [-109.82, 20.32], [-109.85, 20.25], [-109.75, 20.0], [-109.97, 19.47], [-110.32, 19.32], [-110.35, 19.25], [-110.25, 19.0], [-110.47, 18.47], [-110.82, 18.32], [-110.97, 17.97], [-111.32, 17.82], [-111.47, 17.47], [-111.82, 17.32], [-111.97, 16.97], [-112.32, 16.82], [-112.47, 16.47], [-113.0, 16.25], [-113.53, 16.47], [-113.68, 16.82], [-113.75, 16.85], [-114.0, 16.75], [-114.25, 16.85], [-114.5, 16.75], [-115.03, 16.97], [-115.25, 17.5], [-115.03, 18.03], [-114.68, 18.18], [-114.65, 18.25]]]]}, "2022-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-114.65, 18.25], [-114.75, 18.5], [-114.65, 18.75], [-114.75, 19.0], [-114.53, 19.53], [-114.0, 19.75], [-113.75, 19.65], [-113.68, 19.68], [-113.65, 19.75], [-113.75, 20.0], [-113.53, 20.53], [-113.0, 20.75], [-112.75, 20.65], [-112.68, 20.68], [-112.53, 21.03], [-112.18, 21.18], [-112.03, 21.53], [-111.68, 21.68], [-111.53, 22.03], [-111.18, 22.18], [-111.15, 22.25], [-111.25, 22.5], [-111.15, 22.75], [-111.25, 23.0], [-111.15, 23.25], [-111.18, 23.32], [-111.53, 23.47], [-111.75, 24.0], [-111.53, 24.53], [-111.0, 24.75], [-110.47, 24.53], [-110.32, 24.18], [-109.97, 24.03], [-109.75, 23.5], [-109.85, 23.25], [-109.82, 23.18], [-109.47, 23.03], [-109.25, 22.5], [-109.35, 22.25], [-109.32, 22.18], [-108.97, 22.03], [-108.75, 21.5], [-108.97, 20.97], [-109.32, 20.82], [-109.47, 20.47], [-109.82, 20.32], [-109.85, 20.25], [-109.75, 20.0], [-109.97, 19.47], [-110.32, 19.32], [-110.35, 19.25], [-110.25, 19.0], [-110.47, 18.47], [-110.82, 18.32], [-110.97, 17.97], [-111.32, 17.82], [-111.47, 17.47], [-111.82, 17.32], [-111.97, 16.97], [-112.32, 16.82], [-112.47, 16.47], [-113.0, 16.25], [-113.53, 16.47], [-113.68, 16.82], [-113.75, 16.85], [-114.0, 16.75], [-114.25, 16.85], [-114.5, 16.75], [-115.03, 16.97], [-115.25, 17.5], [-115.03, 18.03], [-114.68, 18.18], [-114.65, 18.25]]]]}, "2022-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-114.03, 16.97], [-114.25, 17.5], [-114.03, 18.03], [-113.68, 18.18], [-113.65, 18.25], [-113.75, 18.5], [-113.65, 18.75], [-113.75, 19.0], [-113.53, 19.53], [-113.0, 19.75], [-112.75, 19.65], [-112.68, 19.68], [-112.53, 20.03], [-112.0, 20.25], [-111.75, 20.15], [-111.5, 20.25], [-110.97, 20.03], [-110.75, 19.5], [-110.85, 19.25], [-110.75, 19.0], [-110.85, 18.75], [-110.75, 18.5], [-110.97, 17.97], [-111.32, 17.82], [-111.47, 17.47], [-111.82, 17.32], [-111.97, 16.97], [-112.32, 16.82], [-112.47, 16.47], [-113.0, 16.25], [-113.53, 16.47], [-113.68, 16.82], [-114.03, 16.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1912849757190997}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7140382735369368}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.066708255774984, 23.347612469672242, 23.44617714342769, 23.30099009917194, 23.524811233497644]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.066708255774984, 24.16114941826828, 24.575982203359956, 24.564666117912395, 24.274921643880134]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9268244842539843, 1.785713307465437, 1.7878335391443683, 1.7064112533984734, 1.3093964204848254]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9268244842539843, 2.1912849757190997, 2.0769268449016067, 2.04955731227966, 1.4055498870436622]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4375009699443044, 1.652937448941239, 1.7040612358500957, 1.6269241321772936, 1.2658268732710358]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4375009699443044, 1.9360663422224573, 1.999216120532074, 1.9910139994574123, 1.3625522958992797]}}