--- Patrick Wiggins <paw@trilobyte.net> wrote:

Date: Sat, 14 May 2005 14:21:01 -0600 From: Patrick Wiggins <paw@trilobyte.net> To: utah astronomy listserve <utah-astronomy@mailman.xmission.com> Subject: [Utah-astronomy] Aurora watch

MIDDLE LATITUDE AURORAL ACTIVITY WARNING Issued: 05:05 UTC on 14 May 2005 Solar Terrestrial Dispatch www.spacew.com

VALID BEGINNING AT: 00:00 UTC 15 MAY 2005 VALID UNTIL: 23:00 UTC (6 pm EST) ON 16 MAY

HIGH RISK PERIOD: 15 MAY (UTC DAYS) MODERATE RISK PERIOD: 15-16 MAY

PREDICTED ACTIVITY INDICES: 14, 70, 30, 12 (14 - 17 MAY)

POTENTIAL MAGNITUDE OF MIDDLE LATITUDE AURORAL ACTIVITY: MODERATE TO HIGH

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

ESTIMATED OPTIMUM OBSERVING CONDITIONS: NEAR OR PRIOR TO LOCAL MIDNIGHT

EXPECTED LUNAR INTERFERENCE: LOW

OVERALL OPPORTUNITY FOR OBSERVATIONS FROM MIDDLE LATITUDES: GOOD

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

OREGON TO SOUTHERN IDAHO AND NORTHERN UTAH TO WYOMING TO NEBRASKA TO NORTHERN MISSOURI TO SOUTHERN ILLINOIS TO KENTUCKY TO VIRGINIA.

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