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FASTEX soundings from St. Johns (Canada)

Summary

This dataset consists of sounding data from St. Johns, Canada (WMO 71801) which was operated by the Atmospheric Environment Service in Canada. Soundings were taken four time per day (00, 06, 12, and 18 UTC). The data underwent the automated and visual quality control processes. This dataset consists of pressure, temperature, dew point, relative humidity, and altitude at a variable vertical resolution (no high resolution data were made available, thus PTH data consists only of significant level data). Wind speed and wind direction are also in this dataset at one minute vertical intervals. Refer to the station README for details.

Data access

ORDER data to made available for download
Preview dataset (plots/images)

Additional information

Identifier	DOI: https://doi.org/10.26023/350T-1FBM-TB0H
Data Quality	final
Versions	1.0 (2021-10-14)
Subscribe	Subscribe to receive email when new or updated data is available.
Related projects	FASTEX: Fronts and Atlantic Storm Track Experiment
Spatial Type	point
Frequency	6 hourly
Language	English
Categories	Sounding Upper Air
Platforms	Radiosondes
Instruments	Radiosondes
GCMD Science Keywords	ATMOSPHERIC PRESSURE MEASUREMENTS BOUNDARY LAYER TEMPERATURE BOUNDARY LAYER WINDS DEW POINT TEMPERATURE GEOPOTENTIAL HEIGHT RELATIVE HUMIDITY UPPER AIR TEMPERATURE VERTICAL PROFILES WATER VAPOR PROFILES WIND DIRECTION WIND DIRECTION PROFILES WIND SPEED WIND VELOCITY/SPEED PROFILES Show 10 more... Expand keywords
Documentation	stjohns.txt [22 KiB]
Related links	homepage: FASTEX EOL Project Homepage info: FASTEX Missions

Temporal coverage

Begin datetime	1997-01-01 00:00:00
End datetime	1997-02-28 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 47.62, Minimum (South) Latitude: 47.62
Minimum (West) Longitude: -52.75, Maximum (East) Longitude: -52.75

Primary point of contact information

EOL Data Support <datahelp@eol.ucar.edu>

Additional contact information

author: EOL Data Support <datahelp@eol.ucar.edu>
author: Atmospheric Environment Service

Citation

NSF NCAR Earth Observing Laboratory, Atmospheric Environment Service. 2021. FASTEX soundings from St. Johns. Version 1.0. null. https://doi.org/10.26023/350T-1FBM-TB0H. Accessed 24 Jan 2026.

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