Reports until 08:14, Tuesday 12 March 2019
H1 General
jeffrey.bartlett@LIGO.ORG - posted 08:14, Tuesday 12 March 2019 - last comment - 09:46, Tuesday 12 March 2019(47451)
Ops Day Shift Summary

Ops Shift Transition: 03/12/2019, Day Shift 15:00 – 23:00 (08:00 -16:00) - UTC (PT)

State of H1: Locked at NLN
Intent Bit: Commissioning
Weather: A cold front is moving through the area this morning bringing snow, sleet, and icy rain. Temperatures are hovering around freezing. The front is forecast to move east around noon and be replaced with winds gusting into the 20s, overcast with temps rising into the 40s.   
Primary 0.03 – 0.1Hz: 0.07um/s
Secondary 0.1 – 0.3Hz: 0.5mu/s
Outgoing Operator: N/A
Quick Summary: IFO remains locked despite snow blowing, operation of the frontend loader doing snow removal, and HAM1 SIS being tripped. Due to snow and icy conditions work start has been delayed until 11:00. Maintenance may be shortened due to the weather.   
Comments related to this report
jeffrey.bartlett@LIGO.ORG - 09:46, Tuesday 12 March 2019 (47452)
Link 

   When I came in at 14:20 (07:20) the IFO was locked at NLN. Despite snow blowing and operation of the frontend loader around OSB, the IFO was noisy but remained locked. At 14:36 (07:36)the HAM1 ISI tripped and the IFO remained locked. The IFO did not lose lock until 15:31.