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7 Feb 2023 - 09:16 EST
7 Feb 2023 - 14:16 UTC

GOES-East - Sector view: Upper Mississippi Valley - Air Mass

1 hour loop - 12 images - 5 minute update

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Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1316 UTC
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1316 UTC Latitude / Longitude grid
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1321 UTC
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1321 UTC Latitude / Longitude grid
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1326 UTC
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1326 UTC Latitude / Longitude grid
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1331 UTC
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1331 UTC Latitude / Longitude grid
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1336 UTC
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1336 UTC Latitude / Longitude grid
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1341 UTC
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1341 UTC Latitude / Longitude grid
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1346 UTC
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1346 UTC Latitude / Longitude grid
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1351 UTC
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1351 UTC Latitude / Longitude grid
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1356 UTC
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1356 UTC Latitude / Longitude grid
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1401 UTC
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1401 UTC Latitude / Longitude grid
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1406 UTC
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1406 UTC Latitude / Longitude grid
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1411 UTC
Air Mass - RGB based on data from IR & water vapor - 07 Feb 2023 - 1411 UTC Latitude / Longitude grid
legend for AirMass RBG

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.

• For more details, see the Air Mass RGB Guide, (PDF, 1.1 MB)