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Post-tropical Cyclone Boris - Air Mass at 12.1°N - 142.0°W
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Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 0950 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1000 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1010 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1020 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1040 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1050 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1110 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1120 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1140 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1200 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1210 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1230 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1240 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1250 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1300 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1310 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1320 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1330 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1350 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1410 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1420 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1430 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1440 UTC
Air Mass - RGB composite based on the data from IR and WV - 28 Jun 2020 - 1450 UTC
Key for AirMass RGB:
1 - Jet stream / potential vorticity (PV) / deformation zones / dry upper level (dark red / orange)
2 - Cold air mass (dark blue/purple)
3 - Warm air mass (green)
4 - Warm air mass, less moisture (olive/dark orange)
5 - High thick cloud (white)
6 - Mid level cloud (tan/salmon)
7 - Low level cloud (green, dark blue)
8 - Limb effects (purple/blue)
Air Mass RGB is used to diagnose the environment surrounding synoptic systems by enhancing temperature and moisture characteristics of airmasses. Cyclogenesis can be inferred by the identification of warm, dry, ozone-rich descending stratospheric air associated with jet streams and potential vorticity (PV) anomalies. The RGB can be used to validate the location of PV anomalies in model data. Additionally, this RGB can distinguish between polar and tropical airmasses, especially along upper-level frontal boundaries and identify high-, mid-, and low-level clouds.
