Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
08/02/2003 | 1725 | 08/02/2003 | 1726 | Incorrect |
Subject: | SGP/SONDE/C1 - A few bad temperature values at the beginning of the sounding |
DataStreams: | sgpsondewnpnC1.b1, sgpsondewnpnC1.a1 |
Description: | I've never seen this before. The temperature reported by the radiosonde dropped over 30 degC just after launch (usually a symptom of a broken temperature sensor), but then recovered after 14 seconds of bad readings. The temperatures from 2 seconds through 14 seconds after launch are incorrect, the remainder of the sounding looks fine. I have sent the data files to Vaisala for their consideration. |
Suggestions: | Only the first bad temperature reading will trigger a standard mentor QC flag. I suggest interpolating the temperature values from 2 sec though 14 sec using the surface value and the value at 16 sec as endpoints. |
Measurements: | sgpsondewnpnC1.b1: more
sgpsondewnpnC1.a1: more |