Space Weather Daily Update for 21 April, 2018

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·@deanlogic·
0.000 HBD
Space Weather Daily Update for 21 April, 2018
## Sunspots, Supernova, NEOs, Storm Effects
The last 24 hours on the Earth Facing disc show the coronal hole slowly going off the disc.  The incoming sunspot group is not putting up a fight against the Earth Facing Quiet and is starting to decay. No plasma or other ejections towards earth in the time period.  The Planetary K-index has calmed back down to green levels. Solar wind has stabilized and intensity has increased. 

Yesterday's geomagnetic storm causes some reported issues. 

* [Crews extinguish transformer fire at UH Manoa, Hawaii](http://www.khon2.com/news/local-news/explosion-reported-at-uh-manoa-smoke-visible-for-miles/1130876624)
* [Roads reopen after transformer fire, in Crystal Lake, Illinois](http://www.nwherald.com/2018/04/20/roads-reopen-after-transformer-fire/aww3jd4/)
* [Lunchtime plans shift amid power outage hitting 35,000 in Fayetteville, North Carolina](http://www.fayobserver.com/news/20180420/lunchtime-plans-shift-amid-power-outage-hitting-35000)

### Earthquakes and volcanoes of note
* [5.1 magnitude earthquake](https://www.earthquaketrack.com/quakes/2018-04-20-22-29-25-utc-5-1-18) near Pyu, Bago, Myanmar (Burma)
* [4.0 magnitude earthquake](https://www.earthquaketrack.com/quakes/2018-04-21-09-50-08-utc-4-0-10) off the coast of Oregon

### Space Objects
No new Near-Earth Objects(NEO) added to the database.  Unless the one spotted yesterday was added today.

* [Four Years of NASA NEOWISE Data](https://www.jpl.nasa.gov/news/news.php?feature=7103)

### Other News
* [Late Spring and Early Summer Temperatures Could Remain Below Average in Midwest as Heat Expands in West](https://weather.com/forecast/national/news/2018-04-19-may-july-temperature-outlook). "April's unusually heavy snow cover could have a cooling influence on temperatures in May."
* [Near-Average 2018 Atlantic Hurricane Season Expected, According to The Weather Company Outlook](https://weather.com/storms/hurricane/news/2018-04-19-2018-hurricane-season-forecast-the-weather-company-ibm-april).
* [Supernova simulations](https://www.nature.com/articles/d41586-018-04601-7) are resolving a 50-year-old mystery about stellar death throes. 

https://www.youtube.com/watch?v=gtSQRIG20yE
~ Ben Davidson (Suspicious0bservers ) at [SuspiciousObservers.org](http://www.suspicious0bservers.org/)
I am ***not affiliated*** with Ben Davidson or his work. I am a subscriber to SuspiciousObservers YouTube channel.

* [Space Weather News](http://spaceweathernews.com/)
* [Quake Watch](http://quakewatch.net/)
* [Earth Changes](http://earthchanges.org/) - mobile app
* [STARWATER](http://www.suspicious0bservers.org/starwater/)

### Space Weather
<center>
![NASA_SpaceWeather.png](https://steemitimages.com/DQmW5jYNyV66LuPqmVD3cyQuhGhMLRTJkYacQbUzXWuZEzp/NASA_SpaceWeather.png)
</center>
<center>
![PlanetaryKindex.png](https://steemitimages.com/DQmeVb296j4U98JPrksk2iU2XQXVMzGsTUukGz1LK6uyxRG/PlanetaryKindex.png)
</center>
Source: http://www.swpc.noaa.gov/products/planetary-k-index

### Asteroid Watch
<center>
![AsteroidWatch.png](https://steemitimages.com/DQmYvTGSvngBbU1QmHZSshjYkB99YraezMbXmSv7q9srd4A/AsteroidWatch.png)
</center>
`Average distance between Earth and the moon is about 239,000 miles (385,000 kilometers).`
Source: https://www.jpl.nasa.gov/asteroidwatch/

| Object  | Flyby Date   | AU distance   | Approximate Sixe  |
|---|---|---|---|
|[(2018 GR1)](https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2018%20GR1)|	2018-Apr-21  | 0.04677	|39 m - 88 m|
|[(2018 HN)](https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2018%20HN)|	2018-Apr-21 | 0.02054	| 28 m - 62 m|
|[(2018 GG4)](https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2018%20GG4)|	2018-Apr-23  | 0.02498	| 15 m - 34 m|
|[(2012 XL16)]()|	2018-Apr-23 | 0.04054	 | 21 m - 47 m|
|[(2018 GH)](https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2018%20GR1)|	2018-Apr-25  | 0.03736	 | 67 m - 150 m|

Close Approach Database
Source:  https://cneos.jpl.nasa.gov/ca/


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