NOAA Contends that SpaceX’s multiple rocket launches are increasing NLC clouds

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SURPRISE GEOMAGNETIC STORM: Forecasters were surprised yesterday, June 28th, when a CME struck Earth and caused a severe (G4-class) geomagnetic storm. The CME was expected, but the severity of the storm was not; it was supposed to be a minor G1-class event. Daylight over Europe and the Americas hid a potentially dynamite display of auroras. Aurora alerts: SMS Text

NOCTILUCENT CLOUDS BLANKET EUROPE: This weekend, Europe is experiencing a widespread outbreak of noctilucent clouds (NLCs). Normally confined inside the Arctic Circle, the electric-blue wisps of frosted meteor smoke have been sighted as far south as Italy:

“It was a beautiful display,” reports Fabrizio Marchi from Treviso, a city near Venice. “We are at +45 N, so the clouds have reached mid-latitudes.”

Similar displays brightened the night skies of Austria, the Netherlands, Scotland, France, England, Lithuania, Croatia, Germany, Denmark, Belgium, Luxembourg, and Finland.

2024 is supposed to be a bad year for NLCs because Solar Max has arrived. High solar activity should melt these fragile clouds away. Two factors may be counteracting the sun.


The Tonga undersea volcano (left) and a SpaceX Falcon Heavy launch (right)

First, there’s Tonga. The undersea volcano erupted in January 2022, hurling record amounts of water into the atmosphere. That was two years ago, but it takes about two years for the vapor to circulate up to the mesosphere where NLCs form. Water is a key ingredient for NLCs, so Tonga’s moisture could be turbocharging the clouds

Second is SpaceX. Studies show that water-rich rocket exhaust boosts the abundance of NLCs. So far this year (Jan. 1st – June 27th), 124 rockets have been launched, mostly by SpaceX. That’s 4 times the rate of launches during previous Solar Maxima. Quadrupling the amount of rocket exhaust in the mesosphere might be enough to overwhelm the water and ice destroying effects of the active sun.

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