DQR ID | Subject | Data Streams Affected |
---|---|---|
D000602.2 | TWP/VCEIL/C1 - Ceilometer clock drift | twpvceil25kC1.00, twpvceil25kC1.a1, twpvceil25kC1.b1 |
D000718.9 | TWP/VCEIL/C1 - Extended data gap | twpvceil25kC1.a1, twpvceil25kC1.b1 |
D020620.64 | TWP/C1 - Incorrect elevation reported in Manus Data | twpmplC1.a1, twpvceil25kC1.a1, twpvceil25kC1.b1 |
Start Date | Start Time | End Date | End Time |
---|---|---|---|
04/19/1998 | 0000 | 08/22/1998 | 0000 |
Subject: | TWP/VCEIL/C1 - Ceilometer clock drift |
DataStreams: | twpvceil25kC1.00, twpvceil25kC1.a1, twpvceil25kC1.b1 |
Description: | During this period the ceilometer was using a software version that provided time stamps that were based on the ceilometer clock and not the computer clock that was continually sychronized with GPS. This lead to times that were erroneous by as much as 2 minutes. For most applications 2 minutes is an acceptable error, but for some applications this may be a problem. |
Measurements: | twpvceil25kC1.a1:
twpvceil25kC1.00:
twpvceil25kC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
02/02/1998 | 2058 | 04/19/1998 | 0700 |
Subject: | TWP/VCEIL/C1 - Extended data gap |
DataStreams: | twpvceil25kC1.a1, twpvceil25kC1.b1 |
Description: | There is no ceilometer data for this period. |
Measurements: | twpvceil25kC1.a1:
twpvceil25kC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/11/1996 | 0801 | 06/22/2000 | 2359 |
Subject: | TWP/C1 - Incorrect elevation reported in Manus Data |
DataStreams: | twpmplC1.a1, twpvceil25kC1.a1, twpvceil25kC1.b1 |
Description: | Bill Clements reports we have been using 6m MSL as the station elevation of Momote (Manus). This was based on information posted near the station barometer in the Momote Weather Service Office. It turns out that the official WMO station elevation for Momote is 4m MSL and the upper air elevation is 5m MSL. All Manus instruments except the sonde station are at 4m MSL. The sonde launching station is at 5m MSL. |
Measurements: | twpmplC1.a1:
twpvceil25kC1.a1:
twpvceil25kC1.b1:
|