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Category: Severe convection

Severe thunderstorms in Arizona

* GOES-17 images shown here are preliminary and non-operational *GOES-15 (GOES-West), GOES-17 and GOES-16 (GOES-East) Visible images (above) showed the development of thunderstorms which produced hail and damaging winds (SPC storm reports) in the Phoenix, Arizona area on 02 August 2018. The images are displayed in the native projection of each satellite (no re-mapping).... Read More

Large hail and high winds in South Dakota and Nebraska

A supercell thunderstorm which developed in southeastern Montana during the afternoon hours on 27 July 2018 produced damaging wind-driven hail as it moved southeastward across western South Dakota into far northern Nebraska (SPC storm reports | NWS Rapid City summary). 1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) images (above) showed the evolution of this storm.The corresponding GOES-16... Read More