SGP99: NWS Mandatory and Significant Level Sounding Data
Summary
The SGP99 Mandatory and Significant Level Sounding data set contains sounding data extracted from the NOAA/FSL radiosonde database for 15 sites bounded by 33N, 40N, -107W and -91W. These data have not been changed or quality controlled by UCAR/JOSS. Refer to the README file for more details.
Data access
- ORDER data to made available for download
Additional information
| Identifier | |
| Data Quality | final |
| Versions |
|
| Subscribe | Subscribe to receive email when new or updated data is available. |
| Related projects | |
| Spatial Type | point |
| Frequency | 12 hourly |
| Language | English |
| Categories | |
| Platforms | |
| Instruments | |
| GCMD Science Keywords |
|
| Documentation |
|
| Related links |
|
Temporal coverage
| Begin datetime | 1999-07-01 00:00:00 |
| End datetime | 1999-07-31 23:59:59 |
Spatial coverage
Map data from IBCSO, IBCAO, and Global Topography.
Maximum (North) Latitude:
40.00,
Minimum (South) Latitude:
33.00
Minimum (West) Longitude:
-107.00,
Maximum (East) Longitude:
-91.00
Primary point of contact information
EOL Data Support <datahelp@eol.ucar.edu>
Additional contact information
- originator: NOAA Forecast Systems Laboratory
- author: NOAA Forecast Systems Laboratory
Citation
NOAA Forecast Systems Laboratory. 2000. SGP99: NWS Mandatory and Significant Level Sounding Data. Version 1.0. null. https://doi.org/10.26023/V9YG-C0VJ-DJ0Z. Accessed 16 Dec 2025.
Today's date is shown: please replace with the date of your most recent access.



