DQR ID | Subject | Data Streams Affected |
---|---|---|
D070412.3 | TWP/MWR/C1/C2 - Sun in the field of view | twpmwrlosC1.b1, twpmwrlosC2.b1, twpmwrtipC1.a1, twpmwrtipC2.a1 |
D081022.5 | TWP/SMET/C2 - Wind Speed data contain offset due to induced voltage | twpsmet60sC2.b1 |
D081216.1 | TWP/MWR/C2 - Incorrect ambient temperature during rain | twpmwrlosC2.b1, twpmwrtipC2.a1 |
D090114.4 | TWP/MWR/C1 - Ambient temperature data missing | twpmwrlosC1.b1, twpmwrtipC1.a1 |
D090129.4 | TWP/SMET/C3 - Reprocess: Station Pressure values reported in hPa instead of kPa. | twpsmet60sC3.b1 |
D090224.4 | TWP/SONDE/C2 - Suspect RH values | twpsondewnpnC2.b1 |
D090304.1 | TWP/SMET/C1 - Optical Rain Gage Inoperative | twpsmet60sC1.b1 |
D090417.3 | TWP/MWR/C2 - Intermittent data | twpmwrlosC2.b1, twpmwrtipC2.a1 |
Start Date | Start Time | End Date | End Time |
---|---|---|---|
03/07/2007 | 0000 | 04/02/2007 | 2359 |
03/01/2008 | 0000 | 04/02/2008 | 2359 |
09/10/2008 | 0000 | 10/12/2008 | 0000 |
03/01/2009 | 0000 | 04/02/2009 | 2359 |
Subject: | TWP/MWR/C1/C2 - Sun in the field of view |
DataStreams: | twpmwrlosC1.b1, twpmwrlosC2.b1, twpmwrtipC1.a1, twpmwrtipC2.a1 |
Description: | Every day between around noon local time (usually between 1 and 2 AM UTC time) there is an increase in the brightness temperatures due to the sun in the field of vie of the radiometer. |
Measurements: | twpmwrlosC2.b1:
twpmwrlosC1.b1:
twpmwrtipC1.a1:
twpmwrtipC2.a1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
11/01/1998 | 0000 | 02/23/2009 | 0410 |
Subject: | TWP/SMET/C2 - Wind Speed data contain offset due to induced voltage |
DataStreams: | twpsmet60sC2.b1 |
Description: | The marine model of the RM Young wind sensor needs twisted pair shielded cable. The manufacturer did not originally supply the pigtail with twisted pair shielded cable. Use of twisted pair shielded cable for the rest of the cable run to the logger was also not specified. This caused an induced voltage in the wind speed line from the wind direction excitation. The induced voltage varied from sensor to sensor and probably changed anytime the cable was replaced or parts of the wind sensor were repaired or replaced. The induced voltage has been seen to vary from 0.15 m/s to as much as 1.08 m/s. |
Measurements: | twpsmet60sC2.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/09/2008 | 0100 | 01/09/2009 | 0300 |
Subject: | TWP/MWR/C2 - Incorrect ambient temperature during rain |
DataStreams: | twpmwrlosC2.b1, twpmwrtipC2.a1 |
Description: | The ambient temperature was approximately 15 degree higher than what it should be when it was raining and the heater came. On Jan 9 2009 the dewblower was replaced which solved the problem. The increased ambient temperature (tkair) was happening during times of rain and users should always disregard MWR data during rain events. Therefore this DQR is colored transparent. |
Measurements: | twpmwrlosC2.b1:
twpmwrtipC2.a1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
12/03/2008 | 1900 | 02/06/2009 | 0530 |
Subject: | TWP/MWR/C1 - Ambient temperature data missing |
DataStreams: | twpmwrlosC1.b1, twpmwrtipC1.a1 |
Description: | The ambient temperature readings (tkair) suddenly failed. The sensor was replaced on Feb 6. |
Measurements: | twpmwrlosC1.b1:
twpmwrtipC1.a1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
01/27/2009 | 1850 | 01/30/2009 | 1535 |
Subject: | TWP/SMET/C3 - Reprocess: Station Pressure values reported in hPa instead of kPa. |
DataStreams: | twpsmet60sC3.b1 |
Description: | An incorrect program was entered into the datalogger. This program did not convert the station pressure from hPa to kPa. This made the values larger by a factor of 10 and caused the QC bit to be tripped. |
Measurements: | twpsmet60sC3.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
01/08/2009 | 2331 | 01/08/2009 | 2331 |
Subject: | TWP/SONDE/C2 - Suspect RH values |
DataStreams: | twpsondewnpnC2.b1 |
Description: | RH values only are suspect for the duration of this radiosonde flight, exhibiting a "sawtooth" pattern. |
Measurements: | twpsondewnpnC2.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
02/07/2009 | 0100 | 04/03/2009 | 0225 |
Subject: | TWP/SMET/C1 - Optical Rain Gage Inoperative |
DataStreams: | twpsmet60sC1.b1 |
Description: | Beginning on 02/07/2009, the trending between the TBRG and ORG began to look poor, one recording precip when the other was not and vice versa. After a while the ORG quit registering any precip at all. ORG was replaced. |
Measurements: | twpsmet60sC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
03/06/2009 | 1600 | 03/14/2009 | 2200 |
Subject: | TWP/MWR/C2 - Intermittent data |
DataStreams: | twpmwrlosC2.b1, twpmwrtipC2.a1 |
Description: | There are several short data gaps (usually 2 to 7 hours) in the data due to computer malfunction. The problem was solved by replacing the computer. |
Measurements: | twpmwrlosC2.b1:
twpmwrtipC2.a1:
|