[Aurorawatch] Middle Latitude Auroral Activity WATCH - 24-25 Sept

[Mid or Low Latitude Aurora Watches]

MIDDLE LATITUDE AURORAL ACTIVITY WATCH
Issued: 04:00 UTC on 24 Sept 2006
Solar Terrestrial Dispatch
www.spacew.com


VALID BEGINNING AT: EFFECTIVE IMMEDIATELY
VALID UNTIL: 24:00 UTC (6 pm EDT) ON 25 Sept

HIGH RISK PERIOD: 24 SEPT (UTC DAYS)
MODERATE RISK PERIOD: 24-25 SEPT

PREDICTED ACTIVITY INDICES: 35, 20, 10, 10 (24 SEP - 27 SEP)

POTENTIAL MAGNITUDE OF MIDDLE LATITUDE AURORAL ACTIVITY: MODERATE

POTENTIAL DURATION OF THIS ACTIVITY: MAIN BELT = 12-24 HOURS
                                    MINOR BELT = 24-48 HOURS

ESTIMATED OPTIMUM OBSERVING CONDITIONS: NEAR LOCAL MIDNIGHT

EXPECTED LUNAR INTERFERENCE: NONE

OVERALL OPPORTUNITY FOR OBSERVATIONS FROM MIDDLE LATITUDES: FAIR TO GOOD

AURORAL ACTIVITY *MAY* BE OBSERVED APPROXIMATELY NORTH OF A LINE FROM...
   (THIS LINE IS VALID *ONLY* IF FAVORABLE STORM CONDITIONS OCCUR)

   SOUTHERN BRITISH COLUMBIA TO IDAHO TO MONTANA TO SOUTH DAKOTA TO MINNESOTA
   TO WISCONSIN TO MICHIGAN TO DARK-SKY SITES OF NEW YORK TO MAINE.

ACTIVITY *MAY* ALSO BE OBSERVED APPROXIMATELY NORTH OF A LINE FROM...
   (THIS LINE IS VALID *ONLY* IF FAVORABLE STORM CONDITIONS OCCUR)

   SCOTLAND TO DENMARK TO NORWAY TO SOUTHERN SWEDEN TO FINLAND TO NORTHERN
   RUSSIA.

   SOUTHERN NEW ZEALAND MAY ALSO SPOT PERIODS OF ACTIVITY.

SYNOPSIS...

     A recurrent coronal hole disturbance is impacting the Earth. Periods of
moderately strong auroral activity will be possible over the high and
upper-middle latitude regions. Areas near and north of the U.S / Canada
border should be observant for possible periods of visible activity during
the next 24 to 48 hours. For other areas, see above.

     This watch will remain valid through 24:00 UTC (6 pm EDT) on
25 September. It will be updated or allowed to expire at that time. For
updated information, visit: http://www.spacew.com/aurora/forum.html. For
real-time plots of current activity, visit: http://www.spacew.com/plots.html

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


**  End of Watch  **