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.
Flash Flood Warning issued July 19 at 2:52PM 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 11:03AM 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.
A magnitude 5.3 earthquake struck 59 km SW of Puerto Madero, Mexico at a depth of about 20 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.5 earthquake struck 2 km WSW of Sicaya, Peru at a depth of about 10 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.3 earthquake struck 85 km SW of Puerto Madero, Mexico at a depth of about 10 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A large-scale power outage is being reported: "Southside power outage: Thousands of homes affected". 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 5.3 earthquake struck 190 km SSE of Vilyuchinsk, Russia at a depth of about 10 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.5 earthquake struck Scotia Sea at a depth of about 10 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.7 earthquake struck 72 km SW of Puerto Madero, Mexico at a depth of about 10 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.1 earthquake struck 149 km S of George Town, Cayman Islands 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 69 km SW of Puerto Madero, Mexico at a depth of about 45 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.3 earthquake struck 87 km WSW 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 large-scale power outage is being reported: "Cuba begins to restore power to Havana following 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 5.2 earthquake struck south of the Kermadec Islands at a depth of about 10 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.0 earthquake struck 17 km SE of Malatya, Turkey at a depth of about 10 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.3 earthquake struck 119 km SW of Sarangani, Philippines at a depth of about 10 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.1 earthquake struck 99 km WSW of Puerto Madero, Mexico at a depth of about 10 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.0 earthquake struck 79 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.
Flash Flood Warning issued July 17 at 2:10PM CDT until July 17 at 5:15PM CDT by NWS San Angelo TX (National Weather Service, United States). Affected area: Crockett, TX.
A magnitude 5.2 earthquake struck 67 km SW of Puerto Madero, Mexico at a depth of about 10 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
Flash Flood Warning issued July 17 at 1:37PM CDT until July 17 at 2:15PM CDT by NWS San Angelo TX (National Weather Service, United States). Affected area: Crockett, TX.
A magnitude 5.0 earthquake struck 59 km SSW 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 5.1 earthquake struck 72 km SW of Puerto Madero, Mexico at a depth of about 10 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.1 earthquake struck 33 km SSW of Puerto Madero, Mexico at a depth of about 65 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.1 earthquake struck 78 km WSW of Puerto Madero, Mexico at a depth of about 10 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
A magnitude 5.1 earthquake struck 70 km WSW of Puerto Madero, Mexico at a depth of about 10 km, reported by the USGS. Shaking would likely be felt in the surrounding region.
