Reports until 15:04, Sunday 17 January 2016
H1 ISC (DetChar, ISC)
sheila.dwyer@LIGO.ORG - posted 15:04, Sunday 17 January 2016 (24999)
Apparent scattering with high microseim

We have been locked for more than 12 hours durring a time of unusally high microseism for Hanford. We have had elevated ground motion in the EQ band (0.03-0.1 Hz) which Robert thinks is due to a storm off of Greenland which has been slowly dropping off over the last 24 hours, but is still at 0.1 um/sec.  We also have a storm in the Pacific and the corner station Z axis is reaching 2um/second in the useism band (0.1-0.3 Hz).

We have what seems to be a scattering shelf in DARM reaching up to just above 10 Hz, when the 0.1-0.3 Hz band is especially bad. The attached screenshot shows two particularly bad examples one at 22:54 UTC and one at 22:47:15

Images attached to this report