DQR ID | Subject | Data Streams Affected |
---|---|---|
D000504.4 | TWP/VCEIL/C1 - Ceilometer offset | twpvceil25kC1.b1 |
D000927.2 | TWP/VCEIL/C1 - Degraded Ceilometer Window | twpvceil25kC1.a1, twpvceil25kC1.b1 |
D010222.1 | TWP/VCEIL/C1 - Receiver Problem | twpvceil25kC1.a1, twpvceil25kC1.b1 |
D020207.1 | TWP/VCEIL/C1 - Manus Ceilometer Laser Power Intermittent | twpvceil25kC1.a1, twpvceil25kC1.b1 |
D020207.2 | TWP/VCEIL/C1 - Reprocess: Incorrect units on installed ceilometer | twpvceil25kC1.a1, twpvceil25kC1.b1 |
D020620.64 | TWP/C1 - Incorrect elevation reported in Manus Data | twpmplC1.a1, twpvceil25kC1.a1, twpvceil25kC1.b1 |
D021025.2 | TWP/VCEIL/C2 - Nauru Vceil data suspect | twpvceil25kC2.a1, twpvceil25kC2.b1 |
D021212.11 | TWP/VCEIL/C3 - Degraded Sensitivity, Limited Range | twpvceil25kC3.a1, twpvceil25kC3.b1 |
Start Date | Start Time | End Date | End Time |
---|---|---|---|
01/28/2000 | 0200 | 03/28/2000 | 0000 |
Subject: | TWP/VCEIL/C1 - Ceilometer offset |
DataStreams: | twpvceil25kC1.b1 |
Description: | When the replacement ceilometer was installed at Manus it was tilted 6 degrees. Since the angle correction setting was not activated, the cloud base heights reported by the instrument were higher than actual by 0.55% (39 m at 7 km). |
Measurements: | twpvceil25kC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/28/1999 | 0000 | 01/28/2000 | 0000 |
Subject: | TWP/VCEIL/C1 - Degraded Ceilometer Window |
DataStreams: | twpvceil25kC1.a1, twpvceil25kC1.b1 |
Description: | Data from the ceilometer during this period is suspect. From 10/28 until about 2/4 the instrument had a deteriorated window. This caused the ceilometer to only be able to see cloud heights up to about 2 km. |
Measurements: | twpvceil25kC1.a1:
twpvceil25kC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
11/12/2000 | 0000 | 02/09/2001 | 0000 |
Subject: | TWP/VCEIL/C1 - Receiver Problem |
DataStreams: | twpvceil25kC1.a1, twpvceil25kC1.b1 |
Description: | The Manus ceilometer had degraded cloud base height due to a receiver problem |
Measurements: | twpvceil25kC1.a1:
twpvceil25kC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
11/22/2001 | 0000 | 01/18/2002 | 0500 |
Subject: | TWP/VCEIL/C1 - Manus Ceilometer Laser Power Intermittent |
DataStreams: | twpvceil25kC1.a1, twpvceil25kC1.b1 |
Description: | Very few cloud heights reported due to bad laser transmitter. Replaced ceilometer 05:00 GMT 18 Jan. 2002. |
Measurements: | twpvceil25kC1.a1:
twpvceil25kC1.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
01/18/2002 | 0500 | 02/08/2002 | 0400 |
Subject: | TWP/VCEIL/C1 - Reprocess: Incorrect units on installed ceilometer |
DataStreams: | twpvceil25kC1.a1, twpvceil25kC1.b1 |
Description: | The units setting on the ceilometer installed on 18 Jan. 2002 were incorrectly set to feet rather than meters. |
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:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
06/05/2002 | 0100 | 09/23/2002 | 0100 |
Subject: | TWP/VCEIL/C2 - Nauru Vceil data suspect |
DataStreams: | twpvceil25kC2.a1, twpvceil25kC2.b1 |
Description: | During this period the ceilometer began producing a cross-talk warning. Since it is a warning, some of the data are OK. However, the instrument began to be limited to detecting clouds only about 2 km above the ground. |
Measurements: | twpvceil25kC2.b1:
twpvceil25kC2.a1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
11/06/2002 | 0000 | 12/09/2002 | 0000 |
Subject: | TWP/VCEIL/C3 - Degraded Sensitivity, Limited Range |
DataStreams: | twpvceil25kC3.a1, twpvceil25kC3.b1 |
Description: | The Darwin ceilometer was displaying a cross-talk warning during this period. This causes degraded sensitivity and the inability of the ceilometer to identify cloud heights that are higher the about 2 km. |
Measurements: | twpvceil25kC3.a1:
twpvceil25kC3.b1:
|