"High IASI MetOp-B Ash/Dust BTD (1 in [9.00, 9.62]) at (33N,106W) 16:31Z"

"2021-09-21 16:31Z granule 331"

"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 http://satepsanone.nesdis.noaa.gov/pub/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)"
  32.98, -106.34,    9.62,    0.01,  299.13,  289.51