Planetary Kp index has reached 5.7, 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: "Western Cuba Faces Widespread Power Outage: From Pinar del Río to Matanzas". 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 2 at 12:32AM EDT until August 2 at 8:30AM EDT by NWS Blacksburg VA (National Weather Service, United States). Affected area: Surry, NC.
A large-scale power outage is being reported: "Millions of viewers left stranded as SABC confirms blackout of PSL matches". 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: "Ghana hit by nationwide blackout as power plants fail". 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.
Proton flux (>=10 MeV) has reached 10 pfu - NOAA scale S1. Radiation storms mainly affect satellites, astronauts and passengers/crew on polar flight routes; they can also degrade HF radio in polar regions.
Proton flux (>=10 MeV) has reached 11 pfu - NOAA scale S1. Radiation storms mainly affect satellites, astronauts and passengers/crew on polar flight routes; they can also degrade HF radio in polar regions.
A large-scale power outage is being reported: "Manitoba Hydro says tens of thousands still without power after storm". 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: "Kenya Power restores power after hours-long 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.
Flash Flood Warning issued July 29 at 5:47PM MDT until July 29 at 9:00PM MDT by NWS Grand Junction CO (National Weather Service, United States). Affected area: Ouray, CO.
A large-scale power outage is being reported: "Widespread power outage after semi hits power pole in Marshall County". 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 July 28 at 5:04PM MDT until July 28 at 8:00PM MDT by NWS Pueblo CO (National Weather Service, United States). Currently covers 2 areas: Custer, CO; Pueblo, CO.
A large-scale power outage is being reported: "Libya: Protesters attack gas complex raising fears of 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 magnitude 6.8 earthquake struck 5 km E of Uto, Japan 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 7.1 earthquake struck 4 km SE of Uki, Japan 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.
A magnitude 7.1 earthquake struck 4 km SE of Uki, Japan 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.
A large-scale power outage is being reported: "N.J. live power outage tracker: Strong gusty winds knock out power to thousands of homes". 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 M1.1-class solar flare peaking at 2026-07-27T02:43:00Z (X-ray flux 1.1e-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: "Widespread power outages reported in Gig Harbor because of fire, utility says". 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 M1.5-class solar flare peaking at 2026-07-26T15:26:00Z (X-ray flux 1.5e-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: "Due to a power outage: a state of emergency has been declared in occupied Alushta". 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: "Georgia faces second nationwide power outage in two days". 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 82 km W of Sola, Vanuatu at a depth of about 45 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: "Georgia hit by nationwide blackout, power supply being restored in stages". 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 July 23 at 10:39AM CDT by NWS Houston/Galveston TX (National Weather Service, United States). Currently covers 26 areas: Galveston Bay; Coastal waters from High Island to Freeport TX out 20 NM; Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM; Waters from High Island to Freeport TX from 20 to 60 NM; Coastal Brazoria; Chambers; Galveston Island; Brazoria Islands; Coastal Galveston; Bolivar Peninsula (+16 more areas).
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: "Power Outage Disrupts Thousands Across San Francisco After Substation Glitch Triggers Widespread 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.
Tropical Storm Warning issued July 22 at 6:45PM CDT by NWS Mobile AL (National Weather Service, United States). Currently covers 57 areas: Mobile Coastal; Mobile Central; Baldwin Coastal; Baldwin Central; Lake Pontchartrain; Mississippi Sound; Lake Salvador and Lake Cataouatche; Lake Borgne; Breton Sound; Chandeleur Sound (+47 more areas).
Tropical Storm Warning issued July 21 at 11:20PM EDT by NWS Tallahassee FL (National Weather Service, United States). Currently covers 59 areas: St. Andrews Bay Waterways; Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM; Coastal Waters from Mexico Beach to Apalachicola out 20 NM; Waters from Okaloosa-Walton County Line to Mexico Beach from 20 to 60 NM; Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM; North Mobile Bay; South Mobile Bay; Mississippi Sound; Perdido Bay Area; Pensacola Bay Area including Santa Rosa Sound (+49 more areas).
GOES satellites measured a M3.5-class solar flare peaking at 2026-07-22T06:34:00Z (X-ray flux 3.5e-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.
Flash Flood Warning issued July 21 at 7:26PM EDT until July 21 at 10:30PM EDT by NWS Charleston WV (National Weather Service, United States). Currently covers 3 areas: Lewis, WV; Randolph, WV; Upshur, WV.
A large-scale power outage is being reported: "Panic in Cuba as nationwide power outage sparks fear of US takeover". 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 M1.9-class solar flare peaking at 2026-07-21T17:27:00Z (X-ray flux 1.9e-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.
Tropical Storm Warning issued July 21 at 4:44AM CDT by NWS New Orleans LA (National Weather Service, United States). Currently covers 27 areas: Mississippi Sound; Lake Borgne; Breton Sound; Chandeleur Sound; Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm; Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM; Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm; Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM; North Mobile Bay; South Mobile Bay (+17 more areas).
GOES satellites measured a M3.5-class solar flare peaking at 2026-07-20T22:25:00Z (X-ray flux 3.5e-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: "Cuba suffers third nationwide blackout in two weeks as fuel crisis deepens". 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 5.1 earthquake struck 83 km W of Tobelo, Indonesia at a depth of about 70 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.2 earthquake struck 27 km S of Javānrūd, Iran at a depth of about 10 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.2 earthquake struck 22 km NNW of Scarborough, Trinidad and Tobago at a depth of about 84 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.5 earthquake struck 81 km SW of Puerto Madero, Mexico at a depth of about 35 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.6 earthquake struck 208 km SW of Port McNeill, Canada at a depth of about 10 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
Tropical Storm Warning issued July 20 at 10:55AM EDT by NWS Tallahassee FL (National Weather Service, United States). Affected area: Waters from Okaloosa-Walton County Line to Mexico Beach from 20 to 60 NM; Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM; Waters from Suwannee River to Apalachicola FL from 20 to 60 NM.
GOES satellites measured a M2.5-class solar flare peaking at 2026-07-20T14:36:00Z (X-ray flux 2.5e-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.
Tropical Storm Warning issued July 20 at 4:51AM EDT by NWS Tallahassee FL (National Weather Service, United States). Affected area: Waters from Okaloosa-Walton County Line to Mexico Beach from 20 to 60 NM; Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM; Waters from Suwannee River to Apalachicola FL from 20 to 60 NM.
Tropical Storm Warning issued July 19 at 11:00PM EDT by NWS Tallahassee FL (National Weather Service, United States). Affected area: Waters from Okaloosa-Walton County Line to Mexico Beach from 20 to 60 NM; Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM; Waters from Suwannee River to Apalachicola FL from 20 to 60 NM.
Flash Flood Warning issued July 19 at 6:20PM MDT until July 19 at 8:00PM MDT by NWS Salt Lake City UT (National Weather Service, United States). Affected area: Beaver, UT.
A large-scale power outage is being reported: "In Photos: Cuba suffers third nationwide blackout in two weeks as fuel shortage deepens crisis - Mid-day". 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 July 19 at 3:16PM MDT until July 19 at 8:00PM MDT by NWS Salt Lake City UT (National Weather Service, United States). Affected area: Beaver, UT.
Tropical Storm Warning issued July 19 at 5:01PM EDT by NWS Tallahassee FL (National Weather Service, United States). Affected area: Waters from Okaloosa-Walton County Line to Mexico Beach from 20 to 60 NM; Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM; Waters from Suwannee River to Apalachicola FL from 20 to 60 NM.
Flash Flood Warning issued July 19 at 3:03PM MDT until July 19 at 8:00PM MDT by NWS Salt Lake City UT (National Weather Service, United States). Affected area: Beaver, UT.
