"High IASI Metop-B Ash/Dust BTD (1 in [9.0, 12.5]) at (33N,106W) 16:55Z"

"2023-10-04 16:55Z granule 339"

"Brightness temperature difference for channel 2347 (1231.5
cm-1) minus channel 2093 (1168 cm-1). High values almost
always indicate dust storms or volcanic eruptions.

See https://www.ospo.noaa.gov/pub/Atmosphere/Soundings/iasi/m01/alerts/ASH_BTD/index.html."

Latitude (N), Longitude (E), "Ash Brightness Temperature Difference", "SO2 Brightness Temperature Difference", "Brightness Temperature for Channel 2347 (1231.50 cm-1)", "Brightness Temperature for Channel 2093 (1168.00 cm-1)"
  32.93, -106.33,   12.48,   -0.20,  296.52,  284.04