GOES satellites measured a M2.0-class solar flare peaking at 2026-08-25T01:26:00Z (X-ray flux 2.0e-5 W/m2, radio-blackout scale ~R1). Flares cause immediate shortwave radio blackouts on Earth's sunlit side. If this flare launched a CME toward Earth, a geomagnetic storm could follow in 1-3 days - worth watching the Kp index.
GOES satellites measured a M1.3-class solar flare peaking at 2026-08-24T19:27:00Z (X-ray flux 1.3e-5 W/m2, radio-blackout scale ~R1). Flares cause immediate shortwave radio blackouts on Earth's sunlit side. If this flare launched a CME toward Earth, a geomagnetic storm could follow in 1-3 days - worth watching the Kp index.
A large-scale power outage is being reported: "Severe Weather in the Baltic States: Tens of Thousands Still Without Power". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
A magnitude 6.0 earthquake struck 215 km NNE of Lospalos, Timor Leste at a depth of about 10 km, reported by the USGS. Earthquakes of this size can cause significant damage to vulnerable structures near the epicenter.
A large-scale power outage is being reported: "Powerful storm hits Baltic countries, killing 2 and leaving hundreds of thousands without power". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
A magnitude 6.0 earthquake struck 33 km SSW of Honchō, Japan at a depth of about 43 km, reported by the USGS. Earthquakes of this size can cause significant damage to vulnerable structures near the epicenter.
A large-scale power outage is being reported: "Storm leaves more than 160,000 without power across Latvia as cyclone brings widespread damage". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
A large-scale power outage is being reported: "Tens of thousands in Indiana are still without power". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
A magnitude 6.2 earthquake struck Scotia Sea at a depth of about 10 km, reported by the USGS. Earthquakes of this size can cause significant damage to vulnerable structures near the epicenter.
A large-scale power outage is being reported: "Mounds Public Schools closed due to widespread power outage". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
GOES satellites measured a M1.4-class solar flare peaking at 2026-08-21T09:41:00Z (X-ray flux 1.4e-5 W/m2, radio-blackout scale ~R1). Flares cause immediate shortwave radio blackouts on Earth's sunlit side. If this flare launched a CME toward Earth, a geomagnetic storm could follow in 1-3 days - worth watching the Kp index.
A large-scale power outage is being reported: "Tens of thousands still without power after storms in Indiana". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
A magnitude 6.7 earthquake struck 38 km NW of Upahuacho, Peru at a depth of about 67 km, reported by the USGS. Earthquakes of this size can cause significant damage to vulnerable structures near the epicenter.
GOES satellites measured a M8.1-class solar flare peaking at 2026-08-20T11:42:00Z (X-ray flux 8.1e-5 W/m2, radio-blackout scale ~R2). Flares cause immediate shortwave radio blackouts on Earth's sunlit side. If this flare launched a CME toward Earth, a geomagnetic storm could follow in 1-3 days - worth watching the Kp index.
GOES satellites measured a M1.3-class solar flare peaking at 2026-08-20T07:56:00Z (X-ray flux 1.3e-5 W/m2, radio-blackout scale ~R1). Flares cause immediate shortwave radio blackouts on Earth's sunlit side. If this flare launched a CME toward Earth, a geomagnetic storm could follow in 1-3 days - worth watching the Kp index.
A large-scale power outage is being reported: "Tens of thousands in Indiana are still without power a week after deadly storms". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
GOES satellites measured a M1.0-class solar flare peaking at 2026-08-19T18:51:00Z (X-ray flux 1.0e-5 W/m2, radio-blackout scale ~R1). Flares cause immediate shortwave radio blackouts on Earth's sunlit side. If this flare launched a CME toward Earth, a geomagnetic storm could follow in 1-3 days - worth watching the Kp index.
A large-scale power outage is being reported: "3 dead, almost 1 million without power as severe storms strike Midwest". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
Planetary Kp index has reached 5.3, which is NOAA level G1 (Minor geomagnetic storm). Aurora likely at high latitudes (northern-tier US states, Scotland, Scandinavia, Canada). Possible impacts: minor power grid fluctuations, minor satellite operation impacts, migratory animals affected.
A large-scale power outage is being reported: "Boil order lifted citywide after Chain of Rocks Water Treatment Plant power outage". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
Planetary Kp index has reached 5.0, which is NOAA level G1 (Minor geomagnetic storm). Aurora likely at high latitudes (northern-tier US states, Scotland, Scandinavia, Canada). Possible impacts: minor power grid fluctuations, minor satellite operation impacts, migratory animals affected.
A large-scale power outage is being reported: "Tens of thousands without power and more than 100 homes damaged as Tropical Storm Lala moves away from Hawaii". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
A large-scale power outage is being reported: "Authorities Survey Widespread Damage as 130,000 Homes Left Without Power". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
Tropical Storm Warning issued August 16 at 11:30AM HST by NWS Honolulu HI (National Weather Service, United States). Currently covers 47 areas: Molokai Southeast; Lanai Windward; Lanai Mauka; Maui Windward West; Oahu North Shore; Molokai West; Kauai North; Kauai Southwest; Molokai Leeward South; Kauai Mountains (+37 more areas).
Hurricane Warning issued August 15 at 11:00PM HST by NWS Honolulu HI (National Weather Service, United States). Currently covers 12 areas: Big Island Summit; Kona; Big Island Southeast; Big Island East; Big Island South; Big Island Interior; Big Island North; Kohala; Alenuihaha Channel; Big Island Windward Waters (+2 more areas).
Flash Flood Warning issued August 15 at 9:53PM HST until August 16 at 1:00AM HST by NWS Honolulu HI (National Weather Service, United States). Affected area: Hawaii in Hawaii, HI.
A large-scale power outage is being reported: "Explosion at Zawiya power plant triggers widespread blackout in Western Libya". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
A magnitude 6.1 earthquake struck 56 km NNE of Port-Olry, Vanuatu at a depth of about 188 km, reported by the USGS. Earthquakes of this size can cause significant damage to vulnerable structures near the epicenter.
Tropical Storm Warning issued August 15 at 5:28PM HST by NWS Honolulu HI (National Weather Service, United States). Currently covers 46 areas: Maui Windward West; Windward Haleakala; Molokai Windward; Ewa Plain; Waianae Coast; Kauai Southwest; Olomana; Central Oahu; Maui Central Valley North; Maui Central Valley South (+36 more areas).
Hurricane Warning issued August 15 at 4:58AM HST by NWS Honolulu HI (National Weather Service, United States). Currently covers 12 areas: Big Island Summit; Big Island Southeast; Big Island North; Big Island South; Kona; Big Island East; Big Island Interior; Kohala; Alenuihaha Channel; Big Island Windward Waters (+2 more areas).
A large-scale power outage is being reported: "Tens of thousands still without power in Northwest Indiana". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
A magnitude 6.9 earthquake struck 7 km NNW of Pematangsiantar, Indonesia at a depth of about 183 km, reported by the USGS. Earthquakes of this size can cause significant damage to vulnerable structures near the epicenter.
Tropical Storm Warning issued August 14 at 10:40PM HST by NWS Honolulu HI (National Weather Service, United States). Currently covers 46 areas: Oahu North Shore; Molokai Leeward South; East Honolulu; Kipahulu; Koolau Windward; South Haleakala; Molokai North; Molokai Southeast; Koolau Leeward; Central Oahu (+36 more areas).
A magnitude 6.1 earthquake struck 58 km N of Ende, Indonesia at a depth of about 10 km, reported by the USGS. Earthquakes of this size can cause significant damage to vulnerable structures near the epicenter.
A magnitude 7.7 earthquake struck 68 km NNW of Ende, Indonesia at a depth of about 10 km, reported by the USGS. Earthquakes of this size can cause major damage near the epicenter and, if under the ocean, may generate a tsunami.
Hurricane Warning issued August 14 at 10:38AM HST by NWS Honolulu HI (National Weather Service, United States). Currently covers 12 areas: Big Island Southeast; Kohala; Big Island East; Big Island South; Big Island North; Big Island Interior; Kona; Big Island Summit; Alenuihaha Channel; Big Island Windward Waters (+2 more areas).
A large-scale power outage is being reported: "Where Were You? Remembering the 2003 Blackout That Left Millions in the Dark". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
Tropical Storm Warning issued August 14 at 4:47AM HST by NWS Honolulu HI (National Weather Service, United States). Currently covers 19 areas: Molokai Leeward South; Molokai Southeast; Lanai Leeward; Molokai Windward; Maui Central Valley South; Molokai West; South Maui/Upcountry; Windward Haleakala; Kipahulu; Maui Central Valley North (+9 more areas).
Hurricane Warning issued August 13 at 4:49PM HST by NWS Honolulu HI (National Weather Service, United States). Currently covers 8 areas: Big Island Summit; Big Island Interior; Kohala; Big Island East; Big Island North; Kona; Big Island South; Big Island Southeast.
Flash Flood Warning issued August 13 at 9:39PM EDT until August 13 at 11:30PM EDT by NWS Jackson KY (National Weather Service, United States). Affected area: Knott, KY.
A large-scale power outage is being reported: "Hundreds of thousands remain without power in Indiana after derecho". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
A large-scale power outage is being reported: "Tens of thousands without power in downtown Toronto and the east end". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
Flash Flood Warning issued August 12 at 10:17AM EDT until August 12 at 4:15PM EDT by NWS Indianapolis IN (National Weather Service, United States). Affected area: Delaware, IN.
A large-scale power outage is being reported: "More than half a million without power in Chicago and northern Indiana area". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
A magnitude 6.0 earthquake struck South Sandwich Islands region at a depth of about 10 km, reported by the USGS. Earthquakes of this size can cause significant damage to vulnerable structures near the epicenter.
A large-scale power outage is being reported: "More than half a million without power in Chicago area, NW Indiana amid severe weather". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
Flash Flood Warning issued August 11 at 1:02AM EDT until August 11 at 3:00AM EDT by NWS Charleston WV (National Weather Service, United States). Affected area: Perry, OH.
A magnitude 7.4 earthquake struck 5 km E of San José del Palmar, Colombia at a depth of about 107 km, reported by the USGS. Earthquakes of this size can cause major damage near the epicenter and, if under the ocean, may generate a tsunami.
A large-scale power outage is being reported: "Cuba state energy firm reports new nationwide blackout". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
A large-scale power outage is being reported: "Amid rising temperatures, widespread power outages in Pul-e Khomri, the capital of Baghlan province, have caused numerous problems for residents of the city. Sources told the Hasht-e Subh Daily on Saturday, August 8, that electricity has been repeatedly cu". Widespread outages can be caused by severe weather, grid failures, or - relevant to what this site tracks - a strong geomagnetic storm inducing damaging currents in transformers.
