Fire signatures following a large explosion in Beirut, Lebanon
![Suomi NPP VIIRS Day/Night Band (0.7 µm), Near-Infrared (1.61 µm and 2.25 µm), Shortwave Infrared (3.75 µm) and Active Fires product (credit: William Straka. CIMSS) [click to enlarge]](https://cimss.ssec.wisc.edu/satellite-blog/images/2020/08/200804_2335utc_suomiNPP_viirs_dayNightBand_nearInfrared_shortwaveInfrared_viirsActiveFires_Beirut_Lebanon_fire_anim.gif)
Suomi NPP VIIRS Day/Night Band (0.7 µm), Near-Infrared (1.61 µm and 2.25 µm), Shortwave Infrared (3.75 µm) and Active Fires product (credit: William Straka. CIMSS) [click to enlarge]
Plots of Spectral Response Functions (SRFs) for similar spectral bands on the GOES-R series ABI instrument (1.61 µm, 2.24 µm and 3.9 µm) are shown below — note that the 1.61 µm and 2.24 µm SRF curves are located close to the peak emitted radiance of very hot features such as large fires.
![Plots of Spectral Response Functions for GOES-R series ABI 1..61 µm, 2.24 µm and 3.9 µm spectral bands [click to enlarge]](https://cimss.ssec.wisc.edu/satellite-blog/wp-content/uploads/sites/5/2018/08/ABI_Band_5_6_7_Spectral_Response_Functions_Fires.png)
Plots of Spectral Response Functions for GOES-R series ABI 1..61 µm, 2.24 µm and 3.9 µm spectral bands (credit: Mat Gunshor, CIMSS) [click to enlarge]
![Meteosat-8 Visible (0.8 µm) images [click to enlarge]](https://cimss.ssec.wisc.edu/satellite-blog/images/2020/08/200804_meteosat8_visible_Beirut_explosion_anim.gif)
Meteosat-8 Visible (0.8 µm) images [click to enlarge]