Significant Weather Charts
Significant Weather (SIGWX) charts are made available by Meteorological Office. High level (SWH) charts are from FL250 to FL630. Medium level (SWM) charts are from FL100 to FL450. Check the validity time of the chart to make sure it coincides approximately to the mid-point of the expected flight. SIGWX charts are issued every 6 hours.
Charts Availability
Select Chart type:
Select Validity:
Region or Area:
VIEW CHART
SIGNIFICANT WEATHER (SIGWX) CHARTS
- Valid 0000Z - available at 0700Z.
- Valid 0600Z - available at 1300Z.
- Valid 1200Z - available at 1900Z.
- Valid 1800Z - available at 0100Z.
UPPER AIR WIND & TEMPERATURE CHARTS
- Model Run Based on 0000Z - available at 0400Z.
- Model Run Based on 0600Z - available at 1000Z.
- Model Run Based on 1200Z - available at 1600Z.
- Model Run Based on 1800Z - available at 2200Z.
TURBULENCE SEVERITY CHARTS / ICING SEVERITY CHARTS
- Model Run Based on 0000Z - available at 0630Z.
- Model Run Based on 0600Z - available at 1230Z.
- Model Run Based on 1200Z - available at 1830Z.
- Model Run Based on 1800Z - available at 0030Z.
CUMULONIMBUS (CB) CHARTS
- Model Run Based on 0000Z - available at 0430Z.
- Model Run Based on 0600Z - available at 1030Z.
- Model Run Based on 1200Z - available at 1630Z.
- Model Run Based on 1800Z - available at 2230Z.
SATELLITE IMAGES
- Gulf Area/Middle East / Europe & Africa updated every 15 minutes.
- North & South Asia updated every 3 hours.
- North Atlantic & South America updated every 3 hours.
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