On Nov 21, 2024, at 3:36 PM, Harlan Spence <Harlan.Spence@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.

 

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   Oceans, and Space 

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From: Kerry Lee <kerry.lee@aero.org>
Date: Thursday, November 21, 2024 at 3:24 PM
To: Harlan Spence <Harlan.Spence@unh.edu>, jkwilson <jkwilson@guero.sr.unh.edu>, crater-team@lists.sr.unh.edu <crater-team@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@lists.sr.unh.edu> on behalf of Harlan Spence <Harlan.Spence@unh.edu>
Date: Thursday, November 21, 2024 at 2:17 PM
To: jkwilson <jkwilson@guero.sr.unh.edu>, crater-team@lists.sr.unh.edu <crater-team@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@lists.sr.unh.edu> on behalf of Jody Wilson <jkwilson@guero.sr.unh.edu>
Date: Thursday, November 21, 2024 at 3:15 PM
To: crater-team@lists.sr.unh.edu <crater-team@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@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@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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