NOAA Space Weather Prediction Center

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@NWSSWPC

Safeguarding society with actionable space weather information.

Boulder, CO spaceweather.gov Joined August 2015

7 Following 247K Followers 5.3K Posts

Latest posts 5

NOAA Space Weather Prediction Center @NWSSWPC 6d

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026 Nov 07 1935 UTC
Valid To: 2026 Nov 08 2100 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment:
Issue Time: 2026 Nov 07 1935 UTC
bit.ly/3wVgAKH

NOAA Space Weather Prediction Center @NWSSWPC Nov 5

A G1 Watch has been issued for 06-08 Nov 26 due to large, equatorial coronal hole high speed stream.

NOAA Space Weather Prediction Center @NWSSWPC Oct 31

WARNING: Geomagnetic K-index of 6 expected
Valid From: 2026 Oct 31 1908 UTC
Valid To: 2026 Oct 31 2359 UTC
Warning Conditions: Onset
Noaa Scale: G2 - Moderate
Comment:
Issue Time: 2026 Oct 31 1908 UTC
bit.ly/3wVgAKH

NOAA Space Weather Prediction Center @NWSSWPC Oct 31

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026 Oct 31 1901 UTC
Valid To: 2026 Oct 31 2359 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment:
Issue Time: 2026 Oct 31 1904 UTC
bit.ly/3wVgAKH

NOAA Space Weather Prediction Center @NWSSWPC Oct 30

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026 Oct 30 2310 UTC
Valid To: 2026 Oct 31 0600 UTC
Warning Conditions: Onset
Noaa Scale: G1 - Minor
Comment:
Issue Time: 2026 Oct 30 2311 UTC
bit.ly/3wVgAKH