I think the fires he is speaking of our more Global
Such as:
Greece Suffers More Fires In 2007 Than In Last Decade, Satellites Reveal Greece has experienced more wildfire activity this August than other European countries have over the last decade, according to data from ESA satellites. The country is currently battling an outbreak ...
(July 1, 2008) — Following the extremely hot weather conditions hitting Europe, Norway experienced its biggest forest fire in the last half century earlier this month
Major fires are visible from space – satellites detect not only the smoke billowing from major conflagrations but also the burn scars left in their wake. Even the fires themselves appear as ‘hotspots’ when the satellites’ sensors scan the Earth’s surface in infrared wavelengths.
More than 50 million hectares of forest are burnt annually, and these fires have a significant impact on global atmospheric pollution, with biomass burning contributing to the global budgets of greenhouse gases, like carbon dioxide.
California fires have grown to 1400
Maybe he is speaking of fires over a period of time that fits into the tribulation period