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Large hail and heavy rainfall in the St. Louis area

By Scott Bachmeier •

GOES-16 Visible/Infrared Sandwich RGB images, with Local Storm Reports plotted in cyan [click to play animated GIF | MP4]

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) Visible/Infrared Sandwich RGB images (above) showed thunderstorms that produced a few clusters of large hail (up to 3.00 inches in diameter: SPC Storm Reports) in the St. Louis, Missouri area on 13 May 2023.

There were also several reports of heavy rainfall — GOES-16 Visible/Infrared Sandwich RGB images at 1956 UTC UTC, 2100 UTC and 2124 UTC (below) include a cursor sampling of the associated Rainfall Rate (red), Cloud Top Phase (yellow) and Cloud Top Height (green) Level 2 Derived Products over the location of Local Storm Reports of Heavy Rainfall. Cursor readout values of Rainfall Rate remained in the 1.85-1.90 inch/hour range during the 20-25 minutes prior to each of these 3 heavy rainfall Local Storm Reports.

GOES-16 Visible/Infrared Sandwich RGB image at 1956 UTC, with cursor sampling of the associated Rainfall Rate (red), Cloud Top Phase (yellow) and Cloud Top Height (green) Level 2 Derived Products [click to enlarge]


GOES-16 Visible/Infrared Sandwich RGB image at 2100 UTC, with cursor sampling of the associated Rainfall Rate (red), Cloud Top Phase (yellow) and Cloud Top Height (green) Level 2 Derived Products [click to enlarge]


GOES-16 Visible/Infrared Sandwich RGB image at 2124 UTC, with cursor sampling of the associated Rainfall Rate (red), Cloud Top Phase (yellow) and Cloud Top Height (green) Level 2 Derived Products [click to enlarge]

As discussed in this TOWR-S Satellite Book Club presentation, beginning with TOWR-S RPM 22 various types of “GOES RGBs w/Derived Product Readouts” are available in AWIPS under Satellite -> Local Menu Items, which includes these options.

Categories: GOES-16, Level 2 Product Readouts, Red-Green-Blue (RGB) images, Severe convection