NOAA Space Weather Prediction Center (@nwsswpc) 's Twitter Profile
NOAA Space Weather Prediction Center

@nwsswpc

Safeguarding society with actionable space weather information.

ID: 3506049982

linkhttp://www.spaceweather.gov calendar_today31-08-2015 22:02:25

4,4K Tweet

119,119K Followers

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NOAA Space Weather Prediction Center (@nwsswpc) 's Twitter Profile Photo

WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Jun 12 2020 UTC Valid To: 2025 Jun 13 0300 UTC Warning Condition: Onset NOAA Scale: G1 - Minor Issue Time: 2025 Jun 12 2021 UTC bit.ly/3wVgAKH

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EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2064 Valid From: 2025 Jun 12 2020 UTC Now Valid Until: 2025 Jun 13 0900 UTC Warning Condition: Persistence Issue Time: 2025 Jun 12 2205 UTC bit.ly/3wVgAKH

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WARNING: Geomagnetic K-Index of 6 expected Valid From: 2025 Jun 12 2206 UTC Valid To: 2025 Jun 13 0600 UTC Warning Condition: Onset NOAA Scale: G2 - Moderate Issue Time: 2025 Jun 12 2206 UTC bit.ly/3wVgAKH

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WARNING: Geomagnetic K-index of 7 or greater expected Valid From: 2025 Jun 13 0048 UTC Valid To: 2025 Jun 13 0600 UTC Warning Condition: Onset NOAA Scale: G3 or greater Issue Time: 2025 Jun 13 0048 UTC bit.ly/3wVgAKH

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A G3 (Strong) Geomagnetic Storm Warning has been issued through 06:00 UTC on 13 Jun due persistent CME activity. G2 (Moderate) Storm levels were observed at 00:29 UTC on 13 Jun.

A G3 (Strong) Geomagnetic Storm Warning has been issued through 06:00 UTC on 13 Jun due persistent CME activity. G2 (Moderate) Storm levels were observed at 00:29 UTC on 13 Jun.
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EXTENDED WARNING: Geomagnetic K-Index of 6 expected Extension to Serial Number: 592 Valid From: 2025 Jun 12 2206 UTC Now Valid Until: 2025 Jun 13 1200 UTC Warning Condition: Onset Issue Time: 2025 Jun 13 0554 UTC bit.ly/3wVgAKH

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EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2065 Valid From: 2025 Jun 12 2020 UTC Now Valid Until: 2025 Jun 13 1200 UTC Warning Condition: Persistence Issue Time: 2025 Jun 13 0555 UTC bit.ly/3wVgAKH

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A G3 (Strong) geomagnetic storm warning has expired as of 13/0600 UTC. A G2 (Moderate) geomagnetic storm warning remains in effect until 13/1200 UTC primarily due to proximity CME influences.

A G3 (Strong) geomagnetic storm warning has expired as of 13/0600 UTC. A G2 (Moderate) geomagnetic storm warning remains in effect until 13/1200 UTC primarily due to proximity CME influences.
NOAA Space Weather Prediction Center (@nwsswpc) 's Twitter Profile Photo

EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2066 Valid From: 2025 Jun 12 2020 UTC Now Valid Until: 2025 Jun 13 1800 UTC Warning Condition: Persistence Issue Time: 2025 Jun 13 1132 UTC bit.ly/3wVgAKH

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WARNING: Geomagnetic K-Index of 6 expected Valid From: 2025 Jun 13 1331 UTC Valid To: 2025 Jun 13 2100 UTC Warning Condition: Onset NOAA Scale: G2 - Moderate Issue Time: 2025 Jun 13 1331 UTC bit.ly/3wVgAKH

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WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Jun 14: G2 (Moderate) Jun 15: G1 (Minor) Jun 16: G1 (Minor) Issue Time: 2025 Jun 13 2054 UTC bit.ly/3wVgAKH

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EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2068 Valid From: 2025 Jun 12 2020 UTC Now Valid Until: 2025 Jun 14 1200 UTC Warning Condition: Persistence Issue Time: 2025 Jun 13 2054 UTC bit.ly/3wVgAKH

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EXTENDED WARNING: Geomagnetic K-Index of 6 expected Extension to Serial Number: 594 Valid From: 2025 Jun 13 1331 UTC Now Valid Until: 2025 Jun 14 0900 UTC Warning Condition: Persistence Issue Time: 2025 Jun 13 2054 UTC bit.ly/3wVgAKH

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ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Jun 14 2258 UTC NOAA Scale: R2 - Moderate Issue Time: 2025 Jun 14 2259 UTC bit.ly/3wVgAKH

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ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Jun 15 1800 UTC NOAA Scale: R2 - Moderate Issue Time: 2025 Jun 15 1803 UTC bit.ly/3wVgAKH

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ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Jun 15 1800 UTC NOAA Scale: R2 - Moderate Issue Time: 2025 Jun 15 1805 UTC bit.ly/3wVgAKH

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ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Jun 16 0935 UTC NOAA Scale: R2 - Moderate Issue Time: 2025 Jun 16 0938 UTC bit.ly/3wVgAKH

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WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Jun 18: None (Below G1) Jun 19: None (Below G1) Jun 20: G1 (Minor) Issue Time: 2025 Jun 17 2027 UTC bit.ly/3wVgAKH

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ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Jun 17 2147 UTC NOAA Scale: R2 - Moderate Issue Time: 2025 Jun 17 2150 UTC bit.ly/3wVgAKH