January 2013 SSW event

L. Goncharenko,Prepared for NASA LWS SSW Webex meeting, Jan 25, 2013

January 2, 2013 January 9, 2013

ISR World Day campaign (ad-hock)

• Radars were supposed to be on alert starting Jan 15, 2013

• SSW came earlier• Most radars participated – required

revision/reschedule of other experiments and maintenance

• High-latitude radars: Sondrestrom ISR, Resolute Bay ISR (RISR), EISCAT – data available later; PFISR

PFISR

• Strong wave activity – Jan 4, 2013• Courtesy Mike Nicolls

Millstone Hill ISR

• Main coverage periods:– Jan 4-6, 2013 – wave 1, vortex-shift;– Jan 10-15 – wave 2, vortex split– Other data – Jan 17-18, Jan 24 – Van Allen coverage

• Day and night data in the F-region: NEL, Ti, Te, Vi, electric field, merid. wind; E-region neutral wind

Arecibo ISR

Operations on Jan 8-22, 2013; ongoing experiment since Jan 22Nighttime gaps on Jan 13-16 (? – need to verify) for astronomy experiments

• Good quality, nightly data (clear skies)• Red line – wind and temperature data• Green line available• John Noto’s group is working on the

analysis

Arecibo and Millstone Hill FPIs

Jicamarca vertical drift

• JULIA data Jan 1-14, 2013• Periods with both suppressed and enhanced vertical drift