VALID BEGINNING AT: EFFECTIVE IMMEDIATELY
VALID UNTIL: 23:00 UTC (6 pm EST) ON 23 JANUARY
HIGH RISK PERIOD: 21-22 JANUARY (UTC DAYS)
MODERATE RISK PERIOD: 21-23 JANUARY
PREDICTED ACTIVITY INDICES: 70, 40, 20, 12 (21 - 24 JANUARY)
POTENTIAL MAGNITUDE OF MIDDLE LATITUDE AURORAL ACTIVITY: MODERATE TO HIGH
POTENTIAL DURATION OF THIS ACTIVITY: MAIN BELT = 12-18 HOURS
MINOR BELT = 18-36 HOURS
ESTIMATED OPTIMUM OBSERVING CONDITIONS: NEAR OR AFTER LOCAL MIDNIGHT
EXPECTED LUNAR INTERFERENCE: MODERATE
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)
EXTREME NORTHERN CALIFORNIA TO NORTHERN NEVADA TO UTAH TO COLORADO TO
SOUTHERN KANSAS AND NORTHERN OKLAHOMA TO ARKANSAS TO TENNESSEE TO SOUTH
CAROLINA.
ACTIVITY *MAY* ALSO BE OBSERVED APPROXIMATELY NORTH OF A LINE FROM...
(THIS LINE IS VALID *ONLY* IF FAVORABLE STORM CONDITIONS OCCUR)
NORTHERN SPAIN AND PORTUGAL TO SOUTHERN FRANCE TO ITALY TO ROMANIA TO
UKRAIN TO SOUTHERN RUSSIA.
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