High IASI Metop-B Ash/Dust BTD

Events in which the IASI instrument measured ash BTD values over 9 K. These may represent dust storms or volcanic eruptions. The common high ash BTD events near (33 N, 106 W) are gypsum dust storms at White Sands, New Mexico.

[ Volcanic Ash & SO₂ alerts] [Washington Volcanic Ash Advisory Center] [OMI SO₂ alerts]

Click on thumbnails for animations. Click on dates for CSV data.

2025-07-05 16:19	2025-07-04 16:37	2025-06-17 13:28	2025-06-15 16:34	2025-06-14 05:01	2025-06-06 16:16	2025-06-05 16:37	2025-06-03 20:10
2025-05-23 16:07	2025-05-21 16:49	2025-05-07 16:37	2025-05-03 16:19	2025-04-24 16:07	2025-04-23 16:28	2024-09-11 17:01	2024-07-26 16:31
2024-07-25 16:52