NOAA Space Weather Prediction Center
@NWSSWPC
Safeguarding society with actionable space weather information.
EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2083 Valid From: 2025 Jul 22 2051 UTC Now Valid Until: 2025 Jul 23 1800 UTC Warning Condition: persistence Issue Time: 2025 Jul 23 1136 UTC bit.ly/3wVgAKH
EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2082 Valid From: 2025 Jul 22 2051 UTC Now Valid Until: 2025 Jul 23 1200 UTC Warning Condition: persistence Issue Time: 2025 Jul 23 0541 UTC bit.ly/3wVgAKH
WARNING: Geomagnetic K-Index of 6 expected Valid From: 2025 Jul 22 2252 UTC Valid To: 2025 Jul 23 0600 UTC Warning Condition: Onset NOAA Scale: G2 - Moderate Issue Time: 2025 Jul 22 2252 UTC bit.ly/3wVgAKH
WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Jul 22 2051 UTC Valid To: 2025 Jul 23 0600 UTC Warning Condition: Onset NOAA Scale: G1 - Minor Issue Time: 2025 Jul 22 2051 UTC bit.ly/3wVgAKH
NOAA’s SWFO-L1 spacecraft has arrived in Florida to begin launch preparations. Set to launch with NASA’s IMAP mission no earlier than Sep., SWFO-L1 will journey a million miles to L1 to deliver real-time observations of the Sun and solar wind to SWPC.

WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Jul 22: None (Below G1) Jul 23: G1 (Minor) Jul 24: None (Below G1) Issue Time: 2025 Jul 21 1944 UTC bit.ly/3wVgAKH
WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Jul 16 2254 UTC Valid To: 2025 Jul 17 0600 UTC Warning Condition: Onset NOAA Scale: G1 - Minor Issue Time: 2025 Jul 16 2254 UTC bit.ly/3wVgAKH
EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2079 Valid From: 2025 Jul 14 2051 UTC Now Valid Until: 2025 Jul 15 1800 UTC Warning Condition: persistence Issue Time: 2025 Jul 15 1147 UTC bit.ly/3wVgAKH
EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2078 Valid From: 2025 Jul 14 2051 UTC Now Valid Until: 2025 Jul 15 1200 UTC Warning Condition: persistence Issue Time: 2025 Jul 15 0224 UTC bit.ly/3wVgAKH
WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Jul 14 2051 UTC Valid To: 2025 Jul 15 0300 UTC Warning Condition: Onset NOAA Scale: G1 - Minor Issue Time: 2025 Jul 14 2052 UTC bit.ly/3wVgAKH
WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Jul 13 0418 UTC Valid To: 2025 Jul 13 1200 UTC Warning Condition: Onset NOAA Scale: G1 - Minor Issue Time: 2025 Jul 13 0419 UTC bit.ly/3wVgAKH
WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Jul 11 2040 UTC Valid To: 2025 Jul 12 1200 UTC Warning Condition: Onset NOAA Scale: G1 - Minor Issue Time: 2025 Jul 11 2043 UTC bit.ly/3wVgAKH
WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Jul 11 1108 UTC Valid To: 2025 Jul 11 1800 UTC Warning Condition: Onset NOAA Scale: G1 - Minor Issue Time: 2025 Jul 11 1108 UTC bit.ly/3wVgAKH
EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2073 Valid From: 2025 Jul 06 2320 UTC Now Valid Until: 2025 Jul 07 1200 UTC Warning Condition: Persistence Issue Time: 2025 Jul 07 0549 UTC bit.ly/3wVgAKH
WARNING: Geomagnetic K-Index of 6 expected Valid From: 2025 Jul 07 0150 UTC Valid To: 2025 Jul 07 0600 UTC Warning Condition: Onset NOAA Scale: G2 - Moderate Issue Time: 2025 Jul 07 0151 UTC bit.ly/3wVgAKH
WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Jul 06 2320 UTC Valid To: 2025 Jul 07 0600 UTC Warning Condition: Onset NOAA Scale: G1 - Minor Issue Time: 2025 Jul 06 2321 UTC bit.ly/3wVgAKH
WARNING: Geomagnetic K-index of 5 expected Valid From: 2025 Jul 06 0420 UTC Valid To: 2025 Jul 06 1200 UTC Warning Condition: Onset NOAA Scale: G1 - Minor Issue Time: 2025 Jul 06 0422 UTC bit.ly/3wVgAKH
WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Jul 01: None (Below G1) Jul 02: G1 (Minor) Jul 03: G1 (Minor) Issue Time: 2025 Jun 30 1856 UTC bit.ly/3wVgAKH
A G1 (Minor) geomagnetic storm watch has been issued for 02 Jul (UTC day) due to the arrival of a CME that left the Sun on 28 Jun.

WATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Jun 30: None (Below G1) Jul 01: None (Below G1) Jul 02: G1 (Minor) Issue Time: 2025 Jun 30 0010 UTC bit.ly/3wVgAKH