"High IASI MetOp-B Ash/Dust BTD (1 in [9.0, 10.8]) at (33N,106W) 16:58Z"

"2021-10-09 16:58Z granule 340"

"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)"
  32.93, -106.26,   10.83,   -0.73,  301.29,  290.46