To enlarge, pause animation & click the image. Hover over popups to zoom. Use slider to navigate. Apparent 'jumps' in the animation occur due to adjustments to reflect storm movement.
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Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1300 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1310 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1320 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1330 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1340 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1350 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1400 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1410 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1420 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1430 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1440 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1450 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1500 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1510 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1520 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1530 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1540 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1550 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1600 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1610 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1620 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1630 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1640 UTC
Air Mass - RGB based on data from IR & water vapor - 02 Sep 2021 - 1650 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.
