{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:30:20.265532", "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-Mar-01_to_2022-Mar-04_251.0_33.5"}, "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": 2022030001212}, "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 01 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 04 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 93190.80660407672}, "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", "United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Central-America", "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": 33.5}, "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": 251.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "251.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 248.25}, "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": 30.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 35.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-112.03, 32.53], [-111.5, 32.75], [-110.97, 32.53], [-110.82, 32.18], [-110.75, 32.15], [-110.5, 32.25], [-110.25, 32.15], [-110.0, 32.25], [-109.47, 32.03], [-109.25, 31.5], [-109.47, 30.97], [-109.82, 30.82], [-109.97, 30.47], [-110.5, 30.25], [-111.03, 30.47], [-111.18, 30.82], [-111.53, 30.97], [-111.68, 31.32], [-112.03, 31.47], [-112.25, 32.0], [-112.03, 32.53]]], [[[-108.47, 34.53], [-108.3, 34.13], [-108.0, 34.25], [-107.47, 34.03], [-107.25, 33.5], [-107.47, 32.97], [-108.0, 32.75], [-108.5, 32.96], [-109.0, 32.75], [-109.25, 32.85], [-109.5, 32.75], [-110.03, 32.97], [-110.25, 33.5], [-110.03, 34.03], [-109.68, 34.18], [-109.53, 34.53], [-109.0, 34.75], [-108.47, 34.53]]]]}, "2022-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-112.03, 33.03], [-111.68, 33.18], [-111.53, 33.53], [-111.18, 33.68], [-111.03, 34.03], [-110.5, 34.25], [-110.0, 34.04], [-109.68, 34.18], [-109.65, 34.25], [-109.75, 34.5], [-109.53, 35.03], [-109.0, 35.25], [-108.7, 35.13], [-108.65, 35.25], [-108.75, 35.5], [-108.53, 36.03], [-108.0, 36.25], [-107.75, 36.15], [-107.5, 36.25], [-106.97, 36.03], [-106.75, 35.5], [-106.96, 35.0], [-106.75, 34.5], [-106.85, 34.25], [-106.75, 34.0], [-106.97, 33.47], [-107.32, 33.32], [-107.35, 33.25], [-107.25, 33.0], [-107.47, 32.47], [-108.0, 32.25], [-108.25, 32.35], [-108.37, 32.3], [-108.25, 32.0], [-108.47, 31.47], [-109.0, 31.25], [-109.25, 31.35], [-109.32, 31.32], [-109.47, 30.97], [-109.82, 30.82], [-109.97, 30.47], [-110.5, 30.25], [-111.03, 30.47], [-111.18, 30.82], [-111.53, 30.97], [-111.68, 31.32], [-112.03, 31.47], [-112.25, 32.0], [-112.15, 32.25], [-112.25, 32.5], [-112.03, 33.03]]]]}, "2022-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-112.03, 33.03], [-111.68, 33.18], [-111.53, 33.53], [-111.18, 33.68], [-111.03, 34.03], [-110.5, 34.25], [-110.0, 34.04], [-109.68, 34.18], [-109.65, 34.25], [-109.75, 34.5], [-109.53, 35.03], [-109.0, 35.25], [-108.7, 35.13], [-108.65, 35.25], [-108.75, 35.5], [-108.53, 36.03], [-108.0, 36.25], [-107.75, 36.15], [-107.5, 36.25], [-106.97, 36.03], [-106.75, 35.5], [-106.96, 35.0], [-106.75, 34.5], [-106.85, 34.25], [-106.75, 34.0], [-106.97, 33.47], [-107.32, 33.32], [-107.35, 33.25], [-107.25, 33.0], [-107.47, 32.47], [-108.0, 32.25], [-108.25, 32.35], [-108.37, 32.3], [-108.25, 32.0], [-108.47, 31.47], [-109.0, 31.25], [-109.25, 31.35], [-109.32, 31.32], [-109.47, 30.97], [-109.82, 30.82], [-109.97, 30.47], [-110.5, 30.25], [-111.03, 30.47], [-111.18, 30.82], [-111.53, 30.97], [-111.68, 31.32], [-112.03, 31.47], [-112.25, 32.0], [-112.15, 32.25], [-112.25, 32.5], [-112.03, 33.03]]]]}, "2022-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-112.25, 32.5], [-112.03, 33.03], [-111.68, 33.18], [-111.53, 33.53], [-111.18, 33.68], [-111.03, 34.03], [-110.5, 34.25], [-110.0, 34.04], [-109.68, 34.18], [-109.65, 34.25], [-109.75, 34.5], [-109.53, 35.03], [-109.0, 35.25], [-108.7, 35.13], [-108.65, 35.25], [-108.75, 35.5], [-108.53, 36.03], [-108.0, 36.25], [-107.75, 36.15], [-107.5, 36.25], [-106.97, 36.03], [-106.75, 35.5], [-106.96, 35.0], [-106.75, 34.5], [-106.85, 34.25], [-106.75, 34.0], [-106.97, 33.47], [-107.32, 33.32], [-107.35, 33.25], [-107.25, 33.0], [-107.47, 32.47], [-108.0, 32.25], [-108.25, 32.35], [-108.37, 32.3], [-108.25, 32.0], [-108.47, 31.47], [-109.0, 31.25], [-109.25, 31.35], [-109.5, 31.25], [-109.75, 31.35], [-110.0, 31.25], [-110.5, 31.46], [-111.0, 31.25], [-111.53, 31.47], [-111.68, 31.82], [-112.03, 31.97], [-112.25, 32.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.932643106414446}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.719321424584687}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.23145315478564, 13.189597008745181, 14.04806888347565, 13.436973650832954]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.347742930658228, 19.9342726936531, 21.500486749398704, 20.864351166157064]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.651783748549254, 5.44040844461389, 6.146366243502538, 5.857227646591945]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.424697072672245, 6.52438316121868, 7.932643106414446, 7.2561739352766494]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3821825745363845, 1.5923261719854618, 1.8142708630105449, 1.7244080607318195]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6078300011606652, 1.9798898714062965, 2.287989533209014, 2.1635168574792396]}}