current space weather

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Geomagnetic Storm
status
Last 24 hr
Current
Active
None
today at 11:00 AM
Radiation Storm
status
Last 24 hr
Current
None
None
today at 12:30 PM
Radio Blackout
status
Last 24 hr
Current
None
None
today at 12:40 PM
Solar Wind
status
Speed
Density
406.3 km/sec
7.95 protons/cm3
today at 12:50 PM
Section I. Geomagnetism
Planetary K index
AG1G312151821000306091215182100030609120123456789Data: NOAA SWPC; View: SpaceWeather.appWednesday, Mar 9, 20:00● Kp Index: 2
Mar 10Mar 11
3 day forecast
Major storm
1%
1%
1%
Minor storm
15%
1%
1%
Active
35%
15%
15%
2022 Mar 11
2022 Mar 12
2022 Mar 13

The K-index, and by extension the Planetary K-index, are used to characterize the magnitude of geomagnetic storms. Kp is an excellent indicator of disturbances in the Earth's magnetic field and is used by SWPC to decide whether geomagnetic alerts and warnings need to be issued for users who are affected by these disturbances.

The principal users affected by geomagnetic storms are the electrical power grid, spacecraft operations, users of radio signals that reflect off of or pass through the ionosphere, and observers of the aurora.
Section II. Solar Proton Events
Proton Flux (5 minute data)
S1S2S512151821000306091215182100030609120.11101001k10k100k1MData: NOAA SWPC; View: SpaceWeather.app
Mar 10Mar 11
3 day forecast
1%
1%
1%
2022 Mar 11
2022 Mar 12
2022 Mar 13

Solar radiation storms occur when a large-scale magnetic eruption, often causing a coronal mass ejection and associated solar flare, accelerates charged particles in the solar atmosphere to very high velocities. The most important particles are protons which can get accelerated to 1/3 the speed of light or 100,000 km/sec. At these speeds, the protons can traverse the 150 million km from sun to Earth in just 30 minutes.
LASCO Coronagraph
C2
SOHO LASCO C2
today at 10:24 AM
NASA/ESA/SOHO
C3
SOHO LASCO C3
today at 10:18 AM
NASA/ESA/SOHO

The Large Angle and Spectrometric COronagraph (LASCO) instrument is one of 11 instruments included on the joint NASA/ESA SOHO (Solar and Heliospheric Observatory) spacecraft. A coronagraph is a telescope that is designed to block light coming from the solar disk, in order to see the extremely faint emission from the region around the sun, called the corona.

    C2 - a white light coronagraph imaging from 1.5 to 6 solar radii (orange)
    C3 - a white light coronagraph imaging from 3.7 to 30 solar radii (blue)

LASCO C2, the orange picture, has a shutter speed of about 26 seconds. LASCO C3, the clear coronagraph picture, has a shutter time of about 19 seconds.
Disturbances

The LASCO instruments are not the newest. They were built in the late 1980s, when a digital camera was something very special. Sometimes disturbances do happen.

There are two kinds that repeatedly occur:

    Blackouts and Whiteouts, in broken lines, circle-like shapes, or over the whole picture. They are caused by the electronics box. There has never been a firmware update, since it was judged as too sensitive changing the flight-software.
    Black and white pixels, occurring in patterns, without pattern or alone. Those "missing blocks" are telemetry dropouts, caused by radio interference or a disturbance in the data transfer to Goddard Space Flight Center.

Section III. Solar Flares
Xray Flux (2 day plot)
R1R2R3R4R515182100030609121518210003060912A0ABCMXX10X100Data: NOAA SWPC; View: SpaceWeather.app
Mar 10Mar 11
Xray Flux (6 hour plot)
R1R2R3R4R5070809101112A0ABCMXX10X100Data: NOAA SWPC; View: SpaceWeather.app
Probability forecast
Class X
1%
1%
1%
Class M
15%
15%
15%
2022 Mar 11
2022 Mar 12
2022 Mar 13

The GOES x-ray plots shown here are used to track solar activity and solar flares. Large solar x-ray flares can change the Earth’s ionosphere, which blocks high-frequency (HF) radio transmissions on the sunlit side of the Earth. Solar flares are also associated with Coronal Mass Ejections (CMEs) which can ultimately lead to geomagnetic storms.
Solar X-Ray Imager

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