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Satellite

Where the measurements are

Drawn server-side from the public event read model. Every mark is a measurement: nothing here is interpolated, smoothed or inferred.

-9°-8°-7°-6°-5°55°100 km

What each mark means

  • VIIRS (NASA)375 m

    No detections stored for this frame.

  • Meteosat (EUMETSAT)≈2 km

    Measures how much energy is radiated, which is what sizes the glow. Its individual pixel positions are not stored, so no Meteosat footprint is drawn — inferring one from the sharper layer would put a detection pixel on ground nobody measured.

  • True geographic scale, corrected for latitude. Frame is about 308 km across.
  • At this scale both sensor footprints are smaller than a pixel, so no true-scale square is drawn. Two squares clamped to the same legible minimum would show a 1:1 ratio for a 5:1 fact.
  • The glow means “an event, roughly here”. Its area follows the measured power and its radius is capped, because an uncapped one would assert a burnt extent nobody measured. The number carries the magnitude.
  • Grey is what a later pass has superseded. Colour means the most recent sharp measurement, and it never fades with the clock — only newer knowledge demotes it.
  • A slate-blue glow is neither: heat one sensor saw and nothing has corroborated, or an event that has fallen outside recent coverage. It is not a confirmed measurement, and it is not an all-clear.
  • At country scale each event is one glow. Individual 375 m detections resolve on the event page, where they are larger than a pixel.

Measured activity

Current measurable activity

No events currently show measurable satellite activity.

Not confirmed

Unconfirmed heat, and events out of satellite coverage

These are neither measured activity nor an absence of it. Some carry thermal heat a single sensor saw and nothing has corroborated; others have fallen outside recent satellite coverage, so what is happening there is unknown rather than nothing. Each event says which.

  • Carrickfergus, Mid and East Antrim

    the United Kingdom

    Fuori dalla copertura satellitare recente — l'attività qui è sconosciuta, non esclusa
    View event facts →
  • Newtownbutler, Fermanagh and Omagh

    the United Kingdom

    Fuori dalla copertura satellitare recente — l'attività qui è sconosciuta, non esclusa
    View event facts →

No measurable activity

Tracked events without measurable activity in the latest observation

No satellite detection does not mean an area is safe. Cloud, sensor timing and heat below a sensor’s threshold can hide activity.

  • Newtownhamilton, Newry Mourne and Down

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Rathfriland, Armagh City Banbridge and Craigavon

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Portglenone, Mid and East Antrim

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Glenavy, Lisburn and Castlereagh

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Belfast, City of Belfast

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Northern Ireland

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Garvagh, Causeway Coast and Glens

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Bellaghy, Mid Ulster

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Ballymena, Mid and East Antrim

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Aughnacloy, Mid Ulster

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
Show all 21
  • Portadown, Armagh City Banbridge and Craigavon

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Dromore, Fermanagh and Omagh

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Coalisland, Mid Ulster

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Ballygowan, Ards and North Down

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Londonderry County Borough, Derry City and Strabane

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Derry, Derry City and Strabane

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Derry, Derry City and Strabane

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Derry, Derry City and Strabane

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Derry, Derry City and Strabane

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Newcastle, Newry Mourne and Down

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →
  • Irvinestown, Fermanagh and Omagh

    the United Kingdom

    Nessuna attività misurabile per un periodo prolungato di osservazioni satellitari
    View event facts →