{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:10.167783", "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-Jul-24_to_2010-Jul-28_108.0_-4.0"}, "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": 2010070001003}, "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": "July 24 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 28 2010"}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 77100.59551107994}, "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": ["Indonesia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["Java Sea", "South China Sea"]}, "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": -4.0}, "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": 108.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "108.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 106.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 110.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.47, -2.47], [107.0, -2.25], [107.25, -2.35], [107.32, -2.32], [107.47, -1.97], [108.0, -1.75], [108.25, -1.85], [108.5, -1.75], [108.75, -1.85], [109.0, -1.75], [109.53, -1.97], [109.75, -2.5], [109.65, -2.75], [109.68, -2.82], [110.03, -2.97], [110.25, -3.5], [110.03, -4.03], [109.68, -4.18], [109.65, -4.25], [109.75, -4.5], [109.53, -5.03], [109.0, -5.25], [108.75, -5.15], [108.5, -5.25], [107.97, -5.03], [107.82, -4.68], [107.75, -4.65], [107.5, -4.75], [106.97, -4.53], [106.82, -4.18], [106.47, -4.03], [106.25, -3.5], [106.35, -3.25], [106.25, -3.0], [106.47, -2.47]]]]}, "2010-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.35, -3.25], [106.25, -3.0], [106.47, -2.47], [107.0, -2.25], [107.25, -2.35], [107.32, -2.32], [107.47, -1.97], [108.0, -1.75], [108.25, -1.85], [108.5, -1.75], [108.75, -1.85], [109.0, -1.75], [109.53, -1.97], [109.75, -2.5], [109.65, -2.75], [109.68, -2.82], [110.03, -2.97], [110.25, -3.5], [110.03, -4.03], [109.68, -4.18], [109.65, -4.25], [109.75, -4.5], [109.65, -4.75], [109.75, -5.0], [109.53, -5.53], [109.0, -5.75], [108.47, -5.53], [108.32, -5.18], [108.25, -5.15], [108.0, -5.25], [107.75, -5.15], [107.5, -5.25], [106.97, -5.03], [106.82, -4.68], [106.47, -4.53], [106.25, -4.0], [106.35, -3.75], [106.25, -3.5], [106.35, -3.25]]]]}, "2010-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.35, -3.25], [106.25, -3.0], [106.47, -2.47], [107.0, -2.25], [107.25, -2.35], [107.32, -2.32], [107.47, -1.97], [108.0, -1.75], [108.25, -1.85], [108.5, -1.75], [108.75, -1.85], [109.0, -1.75], [109.53, -1.97], [109.75, -2.5], [109.65, -2.75], [109.68, -2.82], [110.03, -2.97], [110.25, -3.5], [110.03, -4.03], [109.68, -4.18], [109.65, -4.25], [109.75, -4.5], [109.65, -4.75], [109.68, -4.82], [109.75, -4.85], [110.0, -4.75], [110.53, -4.97], [110.75, -5.5], [110.53, -6.03], [110.0, -6.25], [109.75, -6.15], [109.5, -6.25], [108.97, -6.03], [108.82, -5.68], [108.47, -5.53], [108.32, -5.18], [108.25, -5.15], [108.0, -5.25], [107.75, -5.15], [107.5, -5.25], [106.97, -5.03], [106.82, -4.68], [106.47, -4.53], [106.25, -4.0], [106.35, -3.75], [106.25, -3.5], [106.35, -3.25]]]]}, "2010-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.25, -4.0], [106.47, -3.47], [107.0, -3.25], [107.25, -3.35], [107.5, -3.25], [107.75, -3.35], [108.0, -3.25], [108.25, -3.35], [108.5, -3.25], [109.03, -3.47], [109.25, -4.0], [109.15, -4.25], [109.18, -4.32], [109.53, -4.47], [109.68, -4.82], [109.75, -4.85], [110.0, -4.75], [110.53, -4.97], [110.75, -5.5], [110.53, -6.03], [110.0, -6.25], [109.75, -6.15], [109.5, -6.25], [108.97, -6.03], [108.82, -5.68], [108.47, -5.53], [108.32, -5.18], [108.25, -5.15], [108.0, -5.25], [107.75, -5.15], [107.5, -5.25], [106.97, -5.03], [106.82, -4.68], [106.47, -4.53], [106.25, -4.0]]]]}, "2010-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.25, -5.0], [108.47, -4.47], [109.0, -4.25], [109.53, -4.47], [109.68, -4.82], [109.75, -4.85], [110.0, -4.75], [110.53, -4.97], [110.75, -5.5], [110.53, -6.03], [110.0, -6.25], [109.75, -6.15], [109.5, -6.25], [108.97, -6.03], [108.82, -5.68], [108.47, -5.53], [108.25, -5.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -1.2361454560420384}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -0.854610544231847}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.447317143012526, 26.426862714654135, 26.38517315739398, 26.492401427772165, 26.543691457146053]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.139264430222454, 26.1867531154611, 26.090594854054018, 26.215769292587424, 26.46696166317531]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.8434679821679771, -0.8767519916764038, -0.9062675840938869, -0.7724982046636228, -0.598661473271837]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.2114928318729312, -1.0698996351276833, -1.2361454560420384, -1.1134198856667012, -0.667148061539649]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-2.0017995256591234, -2.0612304713100342, -2.0469420409447707, -1.692099376305599, -1.477530615295425]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.9392474204936003, -2.611707553890075, -2.59898892577534, -2.287894794874699, -1.6791335449844764]}}