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>Path: infoac!unido!mcsun!uunet!elroy.jpl.nasa.gov!ames!ucsd!news-mail-gateway
>From: oler@HG.ULeth.CA (CARY OLER)
>Newsgroups: rec.radio.amateur.misc
>Subject: GEOMAGNETIC STORM WARNING - ALERT! - MAJOR SHOCK ARRIVED
>Message-ID: <910608194716.27200158@HG.ULeth.CA>
>Date: 9 Jun 91 01:47:16 GMT
>Sender: daemon@ucsd.Edu
>Organization: UCSD Usenet Gateway
>Lines: 56


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                     POTENTIAL GEOMAGNETIC STORM WARNING

                          UPDATED: 01:30 UT, 09 JUNE

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WARNINGS ISSUED OR IN PROGRESS:

  - POTENTIAL MAJOR GEOMAGNETIC STORM WARNING
  - POTENTIAL MAJOR SOLAR FLARE WARNING (PROTON)
  - POTENTIAL SATELLITE PROTON AND PCA ACTIVITY ALERT
  - POTENTIAL GIC ANOMALY WARNING


ATTENTION:

     A major interplanetary shock has arrived (less than one hour ago) at
00:40 UT on 09 June.  This could be the anticipated interplanetary shock from
the very large major flare of 06 June.

     Minor to major geomagnetic storming could follow shortly with possible
periods of severe storm levels, particularly over the high latitude regions.
Major geomagnetic storming is in progress at the present time.

     Auroral activity may become observable from the low latitudes if this
materializes into a major geomagnetic storm.  Significant auroral storming is
expected over the middle to high latitudes, particularly over the central to
to northerly middle latitudes.

     Very strong HF degradations could be observed if this disturbance
materializes into the anticipated major geomagnetic storm.  If major storming
occurs, expect significant levels of fading, flutter, distortion and noise
with high levels of isolated periods of absorption over the high latitudes.

     VHF auroral backscatter conditions could become widespread if major
storming develops as anticipated.

     Conditions are not expected to improve over the next 24 hours.  Some
improvements should be noticed by 11 June (barring further major flaring,
which is expected).

PLEASE SEND ANY REPORTS OF DEGRADED RADIO PROPAGATION CONDITIONS, SIGHTINGS
OF AURORAL ACTIVITY, VHF BACKSCATTER COMMUNICATIONS OR OTHER ANOMALIES TO:
OLER@HG.ULETH.CA (INTERNET), OLER@ALPHA.ULETH.CA (USENET), OR (SNAIL-MAIL)
TO: SOLAR TERRESTRIAL DISPATCH, P.O. BOX 357, STIRLING, ALBERTA, CANADA,
T0K 2E0.  PLEASE INCLUDE THE DATE AND TIME (LOCAL AND UT) OF THE OBSERVATION,
THE APPROXIMATE LATITUDE/LONGITUDE OF THE OBSERVATION LOCATION, AND A BRIEF
DESCRIPTION OF THE PHENOMENA OBSERVED.  WE THANK ALL THOSE WHO TAKE THE TIME
TO SEND IN OBSERVATIONAL REPORTS.


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