Twitchell Island, CA

      Site ID:     tci
      Latitude:     38.096890 N
      Longitude:     -121.650200 W
      Elevation:     0 meters
      Active:     Y
      Site Table:     Site Table
      Data:     Realtime Display

Instrument Name     Project Name     Install Date     Data Types
3 GHz Precipitation Profiler Analog     California Department of Water Resource     2017-10-25          view
915 MHz Wind Profiler Digital     California Department of Water Resource     2017-10-25          view
Datalogger CR800     California Department of Water Resource     2018-01-11          view
Disdrometer Parsivel Optical     California Department of Water Resource     2021-09-03          view
GpsTrimble NetRS     California Department of Water Resource     2017-10-25          view
Pressure - PTB110B     California Department of Water Resource     2017-10-25          view
Solar Radiation CM3     California Department of Water Resource     2017-10-25          view
Temp/RH - HygroVUE 10     Hydrometeorology Testbed - West     2024-01-23          view
Tipping Bucket TE525     California Department of Water Resource     2017-10-25          view
Wind Speed and Direction 5103     California Department of Water Resource     2017-10-25          view

Instrument Name     Project Name     Install Date     Removal Date     Data Types
Datalogger CR10X     California Department of Water Resource     2017-10-25     2018-01-11          view
Temp/RH CS215     California Department of Water Resource     2017-10-25     2024-01-23          view

  OutageID     SiteID     Failure Type     Start Date      End Date      Description     Resolution Description  
968 tci Hardware - Instrument 2025-10-10 17:31:33 2025-10-23 11:30:38 PIRAQ not responding and likely needs to be reseated in the backplane. Known issue with the hardware driver. Restarting Lapxm_main service fixed the issue.
957 tci Hardware - Instrument 2025-02-25 10:26:17 2025-07-16 10:58:25 Outage appears to be linked to wind data not coming back once the met instruments came back online. Wind direction data is coming back, but no wind speed Jackson replaced fan blades.
931 tci Hardware - Instrument 2024-10-16 14:30:00 2024-11-16 19:00:00 Radar DSP interface card errors Issue resolved during site visit
922 tci Hardware - Air Conditioner 2024-08-01 21:06:08 2024-08-15 16:08:00 Equipment powered off due to cooling issues AC repaired during on-site visit
920 tci Hardware - Air Conditioner 2024-07-19 22:00:00 2024-07-29 18:00:00 Air conditioner issue; UPS temperature 130 F; all equipment powered off to prevent damage Air conditioner repaired
875 tci Hardware - Instrument 2023-08-17 21:30:00 2024-05-02 23:00:00 Radar antenna malfunction Antenna replaced
862 tci Hardware - Air Conditioner 2023-07-16 23:00:00 2023-07-26 15:30:00 Air conditioner malfunction; equipment powered off until issue is resolved Air conditioner replaced
839 tci Hardware - PC 2022-12-31 02:00:00 2023-04-14 01:30:00 Radar transmitter issue Transmitter repaired/replaced
798 tci Power Failure 2022-01-06 01:00:00 2022-01-19 19:00:00 Power outage due to power-line issues in the area requiring repair by PG&E Power restored
787 tci Hardware - PC 2021-09-10 04:00:00 2021-10-07 18:00:00 Radar computer down Computer restarted during site visit
754 tci Hardware - Instrument 2021-01-05 00:00:00 2021-08-31 20:00:00 Tipping bucket grossly under-reporting precipitation amounts; begin time of malfunction unknown Unclogged. Precipitation reported between 16 UTC and 20 UTC on 2021-8-31 was from testing.
745 tci Hardware - Instrument 2020-10-26 05:00:00 2021-08-31 19:00:00 Propeller vane anemometer malfunction Repaired on site
690 tci Hardware - Instrument 2020-02-14 19:30:00 2020-03-03 02:30:00 Can't connect to GPS Trimble receiver Connection re-established during site visit
664 tci Hardware - PC 2019-10-27 19:00:00 2020-02-23 23:00:00 915-MHz radar PC is non-responsive after UPS power cycle PC and radar computer cards replaced
653 tci Power Failure 2019-10-15 05:00:00 2019-10-24 01:00:00 UPS returned in an power-off state after a suspected power outage; UPS network/web card failure UPS network card replaced; UPS powered on
628 tci Power Failure 2019-02-18 23:00:00 2019-03-12 02:00:00 Can't reach cellular router. Power issue confirmed. Power-equipment issue resolved during a site visit.
619 tci Hardware - PC 2019-01-28 00:00:00 2019-02-11 20:00:00 Radar wind profiler PC issues. Windows repair at startup required via user intervention.