[Crater-team] Surprise SEP Event

[Nathan Schwadron]

Hmm .. I suspect the presence of a lot of heavies


> On Nov 21, 2024, at 3:36 PM, Harlan Spence <Harlan.Spence at unh.edu> wrote:
> 
> Yes, thanks Kerry.  Both CMEs reported earlier seemed to be at or behind the limb.     Looks like we are now in our regular longer hiatus between real time passes.   Next one probably in five hours….we missed the onset with our R/T data but it will be interesting to see how it compares with our late October event when the next ground station comes into view.
>  
> _________________________________
> 
> Dr. Harlan E. Spence
> 
> Director, Institute for the Study of Earth,
>    Oceans, and Space 
> Professor of Physics and Astronomy
>  
> Morse Hall, Room 306 
> University of New Hampshire
> 8 College Road
> Durham, NH 03824-3525
> 
> Phone: 603-862-0322
> Fax:   603-862-1915
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> Twitter: @HarlanSpence2
> __________________________________
>  
>  
> From: Kerry Lee <kerry.lee at aero.org <mailto:kerry.lee at aero.org>>
> Date: Thursday, November 21, 2024 at 3:24 PM
> To: Harlan Spence <Harlan.Spence at unh.edu <mailto:Harlan.Spence at unh.edu>>, jkwilson <jkwilson at guero.sr.unh.edu <mailto:jkwilson at guero.sr.unh.edu>>, crater-team at lists.sr.unh.edu <mailto:crater-team at lists.sr.unh.edu> <crater-team at lists.sr.unh.edu <mailto:crater-team at lists.sr.unh.edu>>
> Subject: Re: [Crater-team] Surprise SEP Event
> 
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>  
> My SRAG friends tell me it was a back-side event.  Imagery coming in now.   The CME coming off the west side there.
> 
> <image001.png>
>  
> From: Crater-team <crater-team-bounces at lists.sr.unh.edu> on behalf of Harlan Spence <Harlan.Spence at unh.edu>
> Date: Thursday, November 21, 2024 at 2:17 PM
> To: jkwilson <jkwilson at guero.sr.unh.edu>, crater-team at lists.sr.unh.edu <crater-team at lists.sr.unh.edu>
> Subject: [EXTERNAL] Re: [Crater-team] Surprise SEP Event
> 
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> 
> I had an alert of multiple CMEs shortly ago – will try to hunt that down.
>  
> _________________________________
> 
> Dr. Harlan E. Spence
> 
> Director, Institute for the Study of Earth,
>    Oceans, and Space 
> Professor of Physics and Astronomy
>  
> Morse Hall, Room 306 
> University of New Hampshire
> 8 College Road
> Durham, NH 03824-3525
> 
> Phone: 603-862-0322
> Fax:   603-862-1915
> https://eos.unh.edu/person/harlan-spence
> Twitter: @HarlanSpence2
> __________________________________
>  
>  
> From: Crater-team <crater-team-bounces at lists.sr.unh.edu> on behalf of Jody Wilson <jkwilson at guero.sr.unh.edu>
> Date: Thursday, November 21, 2024 at 3:15 PM
> To: crater-team at lists.sr.unh.edu <crater-team at lists.sr.unh.edu>
> Subject: [Crater-team] Surprise SEP Event
> 
> Solar wind:
> 400 km/s
> 6 protons per cc
> 
> <fDyT694twWzMU14B.png>
> 
> On 11/21/2024 3:12 PM, Nathan Schwadron wrote:
> Hi Jody 
>  
> Could you look at the solar wind data .. see if there is a shock or something. 
>  
> Nathan
>  
>  
> 
> On Nov 21, 2024, at 3:00 PM, Jody Wilson <jkwilson at guero.sr.unh.edu> <mailto:jkwilson at guero.sr.unh.edu> wrote:
>  
> There's no associated X-ray flare, and there was no CME passage in the forecast.  Is this a stealth CME, or an X-ray flare that's just on the far side of the Sun?
> 
> <PXC70kTqUnJzjH8C.png>
> 
> <M09r3nwrCKNzrv7T.png>
> 
> On 11/21/2024 2:46 PM, Harlan Spence wrote:
> Also, looks like a sizeable SEP event is underway. No realtime CRaTER data available at this time but we should see elevated rates during the next pass - probably very soon!
>  
>  
> Sent from my iPhone
>  
> On Nov 21, 2024, at 2:35 PM, Jody Wilson <jkwilson at guero.sr.unh.edu> <mailto:jkwilson at guero.sr.unh.edu> wrote:
>  
> CRaTER folks,
>  
> The CRaTER pipeline has finally processed DOYs 317 onwards.
> Dozens of files spanning seven days had not been transmitted from Goddard, but we're caught up now.
>  
> -Jody
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> Nathan Schwadron
> nschwadron at guero.sr.unh.edu <mailto:nschwadron at guero.sr.unh.edu>
>  
>  
>  
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Nathan Schwadron
nschwadron at guero.sr.unh.edu



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