[Crater-team] Surprise SEP Event

[Kerry Lee]

My SRAG friends tell me it was a back-side event.  Imagery coming in now.   The CME coming off the west side there.

[cid:image001.png at 01DB3C20.F8BC1F60]

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
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Durham, NH 03824-3525
Phone: 603-862-0322
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Twitter: @HarlanSpence2
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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

[cid:part1.0b0YQTUM.nX7YGMHu at guero.sr.unh.edu]
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
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