current space weather

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 Latest Space Weather News

               
CME Impact / Geomagnetic Storm in Progress
March 31, 2022 @ 02:30 UTC (UPDATED)
An interplanetary shockwave (IP shock) just passed the DSCOVR spacecraft at 01:40 UTC (Mar 31). This is related to the M4/M1 CME events from March 28th. Solar wind speed is currently above 500 km/s and the Bz component of the interplanetary magnetic field has shifted south for the time being. It is still very early and rapid changes in the solar wind data should be expected. A passage past Earth is expected during the next 45 minutes. Stay tuned.

UPDATE: The CME just passed Earth. Current solar wind speed remains near 500 km/s and the Bz component of the interplanetary magnetic field (IMF) is pointing south (-8nT). The SWS is initially not as fast as predicted, however things will continue to play out over the next several hours. A minor (G1) geomagnetic storm is now in progress. A watch for up to Strong (G3) conditions remains in effect. Middle to high latitude aurora sky watchers should be alert tonight once dark outside.

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2022 Mar 31 0252 UTC
Synoptic Period: 0000-0300 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor

SUMMARY: Geomagnetic Sudden Impulse
Observed: 2022 Mar 31 0210 UTC
Deviation: 40 nT
Station: MEA

X-Class Solar Flare / CME Likely
March 30, 2022 @ 18:30 UTC
AR 2975 finally gives us a strong solar flare. An X1.3 event just peaked at 17:37 UTC (Mar 30). A type II radio emission with an estimated velocity of 1424 km/s was detected. Because AR 2975 is still in a decent Earth facing position, a coronal mass ejection (CME) will likely be directed our way. More to follow.

CME Update #1 A coronal mass ejection (CME) is seen in this new image courtesy of STEREO Ahead COR2. Another update will be provided when Earth facing LASCO imagery is up to date.

CME Update #2 LASCO imagery is now backfilling. A coronal mass ejection (CME), although not as bright as many had hoped, appears Earth directed. A passage past Earth will be likely by April 2nd. This could lead to another round of geomagnetic storming at higher latitudes.

ALERT: Type II Radio Emission
Begin Time: 2022 Mar 30 1732 UTC
Estimated Velocity: 1424 km/s

SUMMARY: 10cm Radio Burst
Begin Time: 2022 Mar 30 1730 UTC
Maximum Time: 2022 Mar 30 1731 UTC
End Time: 2022 Mar 30 1752 UTC
Duration: 22 minutes
Peak Flux: 540 sfu

Flare Threat Continues / Strong Geomagnetic Storm Watch
March 29, 2022 @ 23:40 UTC
Solar activity during the past 24 hours remained at moderate levels. In fact, solar x-ray background levels have remained in C-Class territory. The main area of interest, AR 2975, has a beta-gamma-delta magnetic configuration and will remain a threat for moderate to strong solar flares. This region produced a number of low level M-Flares today, including an M1.6 at 21:52 UTC (Mar 29). Elsewhere, AR 2978 in the southeast quadrant produced occasional C-Flares on Tuesday. This includes a minor C6.7 at 22:58 UTC (Mar 29).

A reminder that moderate (G2) to strong (G3) geomagnetic storming will be in the forecast beginning on Wednesday. A pair of coronal mass ejections observed on Monday are predicted to combine into one larger shock front and impact Earths geomagnetic field. The forecast calls for a passage by late in the day Wednesday (UTC time) and into early Thursday. Visible aurora could be visible across many locations from middle to high latitudes should the G2-G3 threshold be reached.

Stay tuned to SolarHam.com for the most up to date space weather news and information.

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