![Large ionospheric disturbances produced by the HAARP HF facility - Bernhardt - 2016 - Radio Science - Wiley Online Library Large ionospheric disturbances produced by the HAARP HF facility - Bernhardt - 2016 - Radio Science - Wiley Online Library](https://agupubs.onlinelibrary.wiley.com/cms/asset/7f0d7f9e-6948-408c-be42-249525bc9dd4/rds20391-fig-0010-m.jpg)
Large ionospheric disturbances produced by the HAARP HF facility - Bernhardt - 2016 - Radio Science - Wiley Online Library
![NWS Wilmington OH on Twitter: ""Roost rings" showing up on radar around sunrise. What are they exactly? See: http://t.co/AfGVyr2HP6 http://t.co/vzOhGpgGCx" / Twitter NWS Wilmington OH on Twitter: ""Roost rings" showing up on radar around sunrise. What are they exactly? See: http://t.co/AfGVyr2HP6 http://t.co/vzOhGpgGCx" / Twitter](https://pbs.twimg.com/media/BuXcZLMCIAA_Rmw.png)
NWS Wilmington OH on Twitter: ""Roost rings" showing up on radar around sunrise. What are they exactly? See: http://t.co/AfGVyr2HP6 http://t.co/vzOhGpgGCx" / Twitter
![NWS San Diego on Twitter: "Rain activity will continue to increase this evening, peaking overnight, and then gradually taper off Saturday afternoon. Watch out for areas of flooding on local roadways if NWS San Diego on Twitter: "Rain activity will continue to increase this evening, peaking overnight, and then gradually taper off Saturday afternoon. Watch out for areas of flooding on local roadways if](https://pbs.twimg.com/ext_tw_video_thumb/1634396527354605570/pu/img/mvUh0hLp7H3Cc1LP.jpg)
NWS San Diego on Twitter: "Rain activity will continue to increase this evening, peaking overnight, and then gradually taper off Saturday afternoon. Watch out for areas of flooding on local roadways if
![NWS Houston on Twitter: "4 PM Radar Update: Bands of heavier rain associated with Tropical Storm Imelda are pushing further onshore. Travel will be hazardous this evening, and flooding in urban, low-lying, NWS Houston on Twitter: "4 PM Radar Update: Bands of heavier rain associated with Tropical Storm Imelda are pushing further onshore. Travel will be hazardous this evening, and flooding in urban, low-lying,](https://pbs.twimg.com/media/EEsfpsiWwAIt201.jpg)
NWS Houston on Twitter: "4 PM Radar Update: Bands of heavier rain associated with Tropical Storm Imelda are pushing further onshore. Travel will be hazardous this evening, and flooding in urban, low-lying,
![Flightradar24 on Twitter: "We've deleted a pair of tweets regarding #LA1325 due to a miscommunication about during which leg of the flight the aircraft sustained damage. The aircraft was damaged repositioning to Flightradar24 on Twitter: "We've deleted a pair of tweets regarding #LA1325 due to a miscommunication about during which leg of the flight the aircraft sustained damage. The aircraft was damaged repositioning to](https://pbs.twimg.com/media/FgF8506WABoSo9k.jpg:large)