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                   MIDDLE LATITUDE AURORAL ACTIVITY WARNING

                    ISSUED: 22:10 UTC, 26 NOVEMBER 2002

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            *** POTENTIAL FOR MODERATE TO HIGH ACTIVITY EXISTS ***

  For North Americans, begin watching TONIGHT.


VALID BEGINNING AT: EFFECTIVE IMMEDIATELY
VALID UNTIL: 22:00 UTC (5 PM EST) ON 27 NOVEMBER

    HIGH RISK PERIOD: 27 NOVEMBER (UTC DAYS)
MODERATE RISK PERIOD: 26 - 28 NOVEMBER

PREDICTED ACTIVITY INDICES: 16, 40, 15, 12 (26 NOV - 29 NOV)

POTENTIAL MAGNITUDE OF MIDDLE LATITUDE AURORAL ACTIVITY: MODERATE TO HIGH

POTENTIAL DURATION OF THIS ACTIVITY: MAIN BELT = 12 TO 18 HOURS
                                    MINOR BELT = 18 TO 24 HOURS

ESTIMATED OPTIMUM OBSERVING CONDITIONS: PRIOR TO AND NEAR LOCAL MIDNIGHT

EXPECTED LUNAR INTERFERENCE: MODERATE

OVERALL OPPORTUNITY FOR OBSERVATIONS FROM MIDDLE LATITUDES: FAIR TO GOOD

AURORAL ACTIVITY *MAY* BE OBSERVED APPROXIMATELY NORTH OF A LINE FROM...

   OREGON TO EXTREME NORTHERN UTAH TO WYOMING TO NORTHERN NEBRASKA TO IOWA TO
   ILLINOIS TO INDIANA TO OHIO TO WEST VIRGINIA TO NORTHERN VIRGINIA AND
   MARYLAND.

ACTIVITY *MAY* ALSO BE OBSERVED APPROXIMATELY NORTH OF A LINE FROM...

   NORTHERN FRANCE TO BELGIUM TO CENTRAL GERMANY TO CENTRAL POLAND TO
   NORTHERN BELARUS TO NORTH-CENTRAL RUSSIA. ACTIVITY MAY ALSO BE OBSERVED
   FROM NEW ZEALAND AND SOUTHEASTERN AUSTRALIA.


SYNOPSIS...

     A moderately strong interplanetary disturbance is in-progress. Impact 
of the disturbance occurred at the Earth near 21:52 UTC (4:52 pm EST). 
Periods of minor to major auroral storming are expected to accompany this 
disturbance. Observations of auroral activity will be possible across 
wide-spread middle latitude regions during the next 12 to 18 hours. Initial 
data suggest the disturbance could become fairly strong initially. 

     This warning will remain in effect until 22:00 UTC on 27 November. It
will then be downgraded to a watch or allowed to expire.

              PLEASE REPORT OBSERVATIONS OF AURORAL ACTIVITY TO:
                  http://www.spacew.com/submitsighting.html

           CURRENT REPORTED SIGHTINGS OF ACTIVITY MAY BE FOUND AT:
                    http://www.spacew.com/www/auroras.html

            CURRENT REAL-TIME CONDITIONS (PLOTS) ARE AVAILABLE AT:
                    http://www.spacew.com/www/plots.html

              CURRENT GALLERY OF ASTRONOMICAL AND AURORA IMAGES:
                        http://www.spacew.com/gallery

                          DISCUSSIONS OF ACTIVITY:
                   http://www.spacew.com/aurora/forum.html

**  End of Warning  **