{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:55.639111", "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": "2015-Sep-23_to_2015-Sep-27_251.5_27.5"}, "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": 2015090002462}, "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": "September 23 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 27 2015"}, "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": 70823.52865017511}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Central-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": 27.5}, "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": 251.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "251.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 249.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 252.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-109.53, 29.03], [-109.18, 29.18], [-109.15, 29.25], [-109.25, 29.5], [-109.15, 29.75], [-109.25, 30.0], [-109.03, 30.53], [-108.5, 30.75], [-107.97, 30.53], [-107.75, 30.0], [-107.85, 29.75], [-107.75, 29.5], [-107.85, 29.25], [-107.82, 29.18], [-107.47, 29.03], [-107.25, 28.5], [-107.35, 28.25], [-107.25, 28.0], [-107.35, 27.75], [-107.25, 27.5], [-107.35, 27.25], [-107.32, 27.18], [-106.97, 27.03], [-106.75, 26.5], [-106.97, 25.97], [-107.5, 25.75], [-107.75, 25.85], [-108.0, 25.75], [-108.53, 25.97], [-108.68, 26.32], [-109.03, 26.47], [-109.25, 27.0], [-109.15, 27.25], [-109.18, 27.32], [-109.53, 27.47], [-109.75, 28.0], [-109.65, 28.25], [-109.75, 28.5], [-109.53, 29.03]]]]}, "2015-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-110.65, 28.75], [-110.75, 29.0], [-110.65, 29.25], [-110.75, 29.5], [-110.53, 30.03], [-110.0, 30.25], [-109.75, 30.15], [-109.5, 30.25], [-109.2, 30.13], [-109.03, 30.53], [-108.5, 30.75], [-107.97, 30.53], [-107.75, 30.0], [-107.85, 29.75], [-107.75, 29.5], [-107.85, 29.25], [-107.82, 29.18], [-107.47, 29.03], [-107.25, 28.5], [-107.35, 28.25], [-107.25, 28.0], [-107.35, 27.75], [-107.25, 27.5], [-107.35, 27.25], [-107.32, 27.18], [-106.97, 27.03], [-106.75, 26.5], [-106.97, 25.97], [-107.5, 25.75], [-107.75, 25.85], [-108.0, 25.75], [-108.5, 25.96], [-109.0, 25.75], [-109.53, 25.97], [-109.75, 26.5], [-109.62, 26.8], [-110.03, 26.97], [-110.18, 27.32], [-110.53, 27.47], [-110.75, 28.0], [-110.65, 28.25], [-110.75, 28.5], [-110.65, 28.75]]]]}, "2015-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-110.65, 28.75], [-110.75, 29.0], [-110.65, 29.25], [-110.75, 29.5], [-110.53, 30.03], [-110.0, 30.25], [-109.75, 30.15], [-109.5, 30.25], [-109.2, 30.13], [-109.03, 30.53], [-108.5, 30.75], [-107.97, 30.53], [-107.75, 30.0], [-107.85, 29.75], [-107.75, 29.5], [-107.85, 29.25], [-107.82, 29.18], [-107.47, 29.03], [-107.25, 28.5], [-107.35, 28.25], [-107.25, 28.0], [-107.35, 27.75], [-107.25, 27.5], [-107.35, 27.25], [-107.32, 27.18], [-106.97, 27.03], [-106.75, 26.5], [-106.97, 25.97], [-107.5, 25.75], [-107.75, 25.85], [-108.0, 25.75], [-108.5, 25.96], [-109.0, 25.75], [-109.53, 25.97], [-109.75, 26.5], [-109.62, 26.8], [-110.03, 26.97], [-110.18, 27.32], [-110.53, 27.47], [-110.75, 28.0], [-110.65, 28.25], [-110.75, 28.5], [-110.65, 28.75]]]]}, "2015-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-110.65, 28.75], [-110.75, 29.0], [-110.65, 29.25], [-110.75, 29.5], [-110.53, 30.03], [-110.0, 30.25], [-109.75, 30.15], [-109.5, 30.25], [-108.97, 30.03], [-108.82, 29.68], [-108.47, 29.53], [-108.25, 29.0], [-108.35, 28.75], [-108.32, 28.68], [-107.97, 28.53], [-107.75, 28.0], [-107.85, 27.75], [-107.75, 27.5], [-107.97, 26.97], [-108.37, 26.8], [-108.25, 26.5], [-108.47, 25.97], [-109.0, 25.75], [-109.53, 25.97], [-109.75, 26.5], [-109.62, 26.8], [-110.03, 26.97], [-110.18, 27.32], [-110.53, 27.47], [-110.75, 28.0], [-110.65, 28.25], [-110.75, 28.5], [-110.65, 28.75]]]]}, "2015-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-110.0, 29.25], [-109.47, 29.03], [-109.25, 28.5], [-109.47, 27.97], [-110.0, 27.75], [-110.53, 27.97], [-110.75, 28.5], [-110.53, 29.03], [-110.0, 29.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.784748198470595}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.629589076795356}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.509092560567183, 25.87321772467135, 25.899924692192258, 28.243170725691698, 30.28254913097544]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.942283877834882, 31.26150733558086, 31.876377943177033, 32.13834340931788, 30.28254913097544]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.124136794203184, 2.772444567757394, 2.791060411690224, 2.6237699686941216, 2.386162464916879]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.690403116496725, 3.479458352073209, 3.5051012055440083, 3.784748198470595, 2.386162464916879]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7610436049008877, 2.0639318961221864, 2.0513157915994755, 1.7415657603943946, 1.3837159396553995]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.306209224606738, 2.76842819574619, 2.6666844510260814, 2.208541443060188, 1.3837159396553995]}}