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The storm cost EROS over $1.2 million in damage. Vehicles were smashed, branches broken, foliage shredded, windows broken, and ground pockmarked. The hail destroyed an array of 512 solar panels, which had heated 60% of the photo lab’s water. Many skylight panels were broken, and the roof sprang leaks. The hail broke concrete paving stones on the roof. The antenna for Landsat 7 (which launched in 1999) was only a month old; the electronics were smashed and the dish had over 2,000 dents. Luckily, no one was injured.

About EROS

The EROS mission is to collect and archive data from Earth-observing satellites, primarily the Landsat satellites. The Center also archives data from other Earth-observing satellites and aerial imagery dating back to the 1930s. EROS is a science center, too; scientists there use the data for research on climate change, landscape dynamics, natural hazards, and many other uses.

What’s EROS doing out there in the middle of cropland anyway? First, it was placed in the center of the continent to receive data from satellites coast-to-coast. So that’s what brought EROS to South Dakota. EROS was built out of town to avoid radio and TV interference and to give the receiving antennas a clear view from horizon to horizon.


Every picture has a story to tell
July 27, 1995, Landsat 5 (path/row 29/30) — Before the hailstorm at the USGS EROS Center, near Sioux Falls, SD, USA
July 16, 1997, Landsat 5 (path/row 29/30) — Hailstorm damage at the USGS EROS Center near Sioux Falls, SD, USA
July 19, 1998, Landsat 5 (path/row 29/30) — One year after the hailstorm at the USGS EROS Center near Sioux Falls, SD, USA


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