GDACS Daily Report

Global Disaster Alert and Coordination System — Newsletter 24 Dec 2021This daily newsletter provides an overview of the natural disasters that happened in the last 24 hours and response measures for ongoing disasters. GDACS currently covers earthquakes, tsunamis, tropical cyclones, volcanic eruptions and floods. The color coding (red, orange, green) is related to the estimated … Read moreGDACS Daily Report

Electron Flux Warnings

Space Weather Message Code: ALTEF3 Serial Number: 3179 Issue Time: 2021 Dec 23 0545 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3178 Begin Time: 2021 Dec 22 1705 UTC Yesterday Maximum 2MeV Flux: 1190 pfu NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Satellite systems … Read moreElectron Flux Warnings

Quite a Forecast, Indeed!

Product: Forecast Discussion Issued: 2021 Dec 23 0030 UTC Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center Solar Activity .24 hr Summary… Solar activity reached moderate levels with an isolated M-class flare. There were nine sunspot groups present on the visible disk. The main highlights were: NOAA/SWPC Region 2918 (N20E52, Cro/beta) … Read moreQuite a Forecast, Indeed!