NOAA SWPC Alerts, Watches and Warnings

The National Oceanic and Atmospheric Administration Space Weather Prediction Center (NOAA SWPC) is the official space weather government agency from the United States that provides alerts, watches and warning for space weather disturbances. Below you will find the latest space weather alerts, watches and warnings issued by the NOAA SWPC.

Saturday, 24 February 2018

14:30 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2734
Issue Time: 2018 Feb 24 1430 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2733
Begin Time: 2018 Feb 18 1555 UTC
Yesterday Maximum 2MeV Flux: 2075 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

02:55 UTC

Space Weather Message Code: WARK04
Serial Number: 3426
Issue Time: 2018 Feb 24 0255 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3425
Valid From: 2018 Feb 23 0410 UTC
Now Valid Until: 2018 Feb 24 1200 UTC
Warning Condition: persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Friday, 23 February 2018

23:09 UTC

Space Weather Message Code: WATA20
Serial Number: 818
Issue Time: 2018 Feb 23 2309 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Feb 24: None (Below G1) Feb 25: None (Below G1) Feb 26: G1 (Minor)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

19:21 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2733
Issue Time: 2018 Feb 23 1921 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2732
Begin Time: 2018 Feb 18 1555 UTC
Yesterday Maximum 2MeV Flux: 4869 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

14:21 UTC

Space Weather Message Code: WARK04
Serial Number: 3425
Issue Time: 2018 Feb 23 1421 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3424
Valid From: 2018 Feb 23 0410 UTC
Now Valid Until: 2018 Feb 24 0300 UTC
Warning Condition: persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

12:05 UTC

Space Weather Message Code: ALTK05
Serial Number: 1207
Issue Time: 2018 Feb 23 1205 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2018 Feb 23 1159 UTC
Synoptic Period: 0900-1200 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

10:22 UTC

Space Weather Message Code: WARK04
Serial Number: 3424
Issue Time: 2018 Feb 23 1022 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3423
Valid From: 2018 Feb 23 0410 UTC
Now Valid Until: 2018 Feb 23 1500 UTC
Warning Condition: persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

10:21 UTC

Space Weather Message Code: WARK05
Serial Number: 1451
Issue Time: 2018 Feb 23 1021 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2018 Feb 23 1020 UTC
Valid To: 2018 Feb 23 1500 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

05:10 UTC

Space Weather Message Code: ALTK04
Serial Number: 2037
Issue Time: 2018 Feb 23 0510 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018 Feb 23 0508 UTC
Synoptic Period: 0300-0600 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

04:11 UTC

Space Weather Message Code: WARK04
Serial Number: 3423
Issue Time: 2018 Feb 23 0411 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Feb 23 0410 UTC
Valid To: 2018 Feb 23 1200 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Thursday, 22 February 2018

20:55 UTC

Space Weather Message Code: WARK04
Serial Number: 3422
Issue Time: 2018 Feb 22 2055 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3421
Valid From: 2018 Feb 22 1753 UTC
Now Valid Until: 2018 Feb 23 0300 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

19:18 UTC

Space Weather Message Code: ALTK04
Serial Number: 2036
Issue Time: 2018 Feb 22 1918 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018 Feb 22 1917 UTC
Synoptic Period: 1800-2100 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

17:54 UTC

Space Weather Message Code: WARK04
Serial Number: 3421
Issue Time: 2018 Feb 22 1754 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Feb 22 1753 UTC
Valid To: 2018 Feb 22 2300 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

15:21 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2732
Issue Time: 2018 Feb 22 1521 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2731
Begin Time: 2018 Feb 18 1555 UTC
Yesterday Maximum 2MeV Flux: 6409 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Wednesday, 21 February 2018

08:59 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2731
Issue Time: 2018 Feb 21 0859 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2730
Begin Time: 2018 Feb 18 1555 UTC
Yesterday Maximum 2MeV Flux: 9242 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Tuesday, 20 February 2018

08:59 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2730
Issue Time: 2018 Feb 20 0859 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2729
Begin Time: 2018 Feb 18 1555 UTC
Yesterday Maximum 2MeV Flux: 13453 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Monday, 19 February 2018

19:15 UTC

Space Weather Message Code: ALTK04
Serial Number: 2035
Issue Time: 2018 Feb 19 1915 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018 Feb 19 1910 UTC
Synoptic Period: 1800-2100 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

19:08 UTC

Space Weather Message Code: WARK04
Serial Number: 3420
Issue Time: 2018 Feb 19 1908 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Feb 19 1908 UTC
Valid To: 2018 Feb 20 0600 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

13:06 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2729
Issue Time: 2018 Feb 19 1306 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2728
Begin Time: 2018 Feb 18 1555 UTC
Yesterday Maximum 2MeV Flux: 2795 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

04:17 UTC

Space Weather Message Code: WARK04
Serial Number: 3419
Issue Time: 2018 Feb 19 0417 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3418
Valid From: 2018 Feb 18 0124 UTC
Now Valid Until: 2018 Feb 19 1200 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

03:01 UTC

Space Weather Message Code: ALTK05
Serial Number: 1206
Issue Time: 2018 Feb 19 0301 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2018 Feb 19 0259 UTC
Synoptic Period: 0000-0300 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

02:46 UTC

Space Weather Message Code: WARK05
Serial Number: 1450
Issue Time: 2018 Feb 19 0246 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2018 Feb 19 0244 UTC
Valid To: 2018 Feb 19 0900 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

Sunday, 18 February 2018

20:55 UTC

Space Weather Message Code: WARK04
Serial Number: 3418
Issue Time: 2018 Feb 18 2055 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3417
Valid From: 2018 Feb 18 0124 UTC
Now Valid Until: 2018 Feb 19 0600 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

16:13 UTC

Space Weather Message Code: ALTEF3
Serial Number: 2728
Issue Time: 2018 Feb 18 1613 UTC

ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2018 Feb 18 1555 UTC
Station: GOES-15


NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

14:49 UTC

Space Weather Message Code: WARK04
Serial Number: 3417
Issue Time: 2018 Feb 18 1449 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3416
Valid From: 2018 Feb 18 0124 UTC
Now Valid Until: 2018 Feb 18 2359 UTC
Warning Condition: Persistence

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

01:27 UTC

Space Weather Message Code: ALTK04
Serial Number: 2034
Issue Time: 2018 Feb 18 0127 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018 Feb 18 0127 UTC
Synoptic Period: 0000-0300 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

01:24 UTC

Space Weather Message Code: WARK04
Serial Number: 3416
Issue Time: 2018 Feb 18 0124 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Feb 18 0124 UTC
Valid To: 2018 Feb 18 1500 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Saturday, 17 February 2018

05:25 UTC

Space Weather Message Code: ALTK04
Serial Number: 2033
Issue Time: 2018 Feb 17 0525 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018 Feb 16 0523 UTC
Synoptic Period: 0300-0600 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

05:18 UTC

Space Weather Message Code: WARK04
Serial Number: 3415
Issue Time: 2018 Feb 17 0518 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Feb 17 0518 UTC
Valid To: 2018 Feb 17 1800 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Thursday, 15 February 2018

22:52 UTC

Space Weather Message Code: WARK04
Serial Number: 3414
Issue Time: 2018 Feb 15 2252 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3413
Valid From: 2018 Feb 15 1335 UTC
Now Valid Until: 2018 Feb 16 0600 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

17:16 UTC

Space Weather Message Code: WARK05
Serial Number: 1449
Issue Time: 2018 Feb 15 1716 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2018 Feb 15 1715 UTC
Valid To: 2018 Feb 15 2100 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

17:15 UTC

Space Weather Message Code: ALTK04
Serial Number: 2032
Issue Time: 2018 Feb 15 1715 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2018 Feb 15 1711 UTC
Synoptic Period: 1500-1800 UTC

Active Warning: Yes

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

17:14 UTC

Space Weather Message Code: WARK04
Serial Number: 3413
Issue Time: 2018 Feb 15 1714 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3412
Valid From: 2018 Feb 15 1335 UTC
Now Valid Until: 2018 Feb 15 2300 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

13:34 UTC

Space Weather Message Code: WARK04
Serial Number: 3412
Issue Time: 2018 Feb 15 1334 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2018 Feb 15 1335 UTC
Valid To: 2018 Feb 15 1800 UTC
Warning Condition: Onset

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Tuesday, 13 February 2018

21:05 UTC

Space Weather Message Code: WATA20
Serial Number: 817
Issue Time: 2018 Feb 13 2105 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Feb 14: None (Below G1) Feb 15: G1 (Minor) Feb 16: G1 (Minor)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

Monday, 12 February 2018

20:50 UTC

Space Weather Message Code: WATA20
Serial Number: 816
Issue Time: 2018 Feb 12 2050 UTC

WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Feb 13: None (Below G1) Feb 14: None (Below G1) Feb 15: G1 (Minor)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

Current data suggest that it is not possible to see aurora now at middle latitudes

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 25% 50%
Middle latitude 15% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
Waxing Gibbous

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