Space Weather Alerts, Watches and Warnings
Issue Time: 2022 Jul 05 0441 UTC
ALERT: Type II Radio Emission
Begin Time: 2022 Jul 05 0416 UTC
Estimated Velocity: 1255 km\/s
Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.

Issue Time: 2022 Jul 04 1755 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4127
Valid From: 2022 Jul 03 2230 UTC
Now Valid Until: 2022 Jul 04 2359 UTC
Warning Condition: Persistence
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.

Issue Time: 2022 Jul 04 1443 UTC
ALERT: Type IV Radio Emission
Begin Time: 2022 Jul 04 1350 UTC
Description: Type IV emissions occur in association with major eruptions on the sun and are typically associated with strong coronal mass ejections and solar radiation storms.

Issue Time: 2022 Jul 04 1441 UTC
ALERT: Type II Radio Emission
Begin Time: 2022 Jul 04 1332 UTC
Estimated Velocity: 1828 km\/s
Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.

Issue Time: 2022 Jul 04 1048 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4126
Valid From: 2022 Jul 03 2230 UTC
Now Valid Until: 2022 Jul 04 1800 UTC
Warning Condition: Persistence
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.

Issue Time: 2022 Jul 04 1030 UTC
WATCH: Geomagnetic Storm Category G1 Predicted

Highest Storm Level Predicted by Day:
Jul 05: None (Below G1) Jul 06: G1 (Minor) Jul 07: None (Below G1)

THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
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.

Issue Time: 2022 Jul 04 0601 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2022 Jul 04 0559 UTC
Synoptic Period: 0300-0600 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor
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.

Issue Time: 2022 Jul 04 0437 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2022 Jul 04 0437 UTC
Valid To: 2022 Jul 04 0900 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor
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.

Issue Time: 2022 Jul 03 2250 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2022 Jul 03 2245 UTC
Synoptic Period: 2100-2400 UTC

Active Warning: Yes
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.

Issue Time: 2022 Jul 03 2231 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2022 Jul 03 2230 UTC
Valid To: 2022 Jul 04 1200 UTC
Warning Condition: Onset
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.

Issue Time: 2022 Jul 02 2224 UTC
SUMMARY: 10cm Radio Burst
Begin Time: 2022 Jul 02 2158 UTC
Maximum Time: 2022 Jul 02 2158 UTC
End Time: 2022 Jul 02 2158 UTC
Duration: 1 minutes
Peak Flux: 120 sfu
Latest Penticton Noon Flux: 100 sfu
Description: A 10cm radio burst indicates that the electromagnetic burst associated with a solar flare at the 10cm wavelength was double or greater than the initial 10cm radio background. This can be indicative of significant radio noise in association with a solar flare. This noise is generally short-lived but can cause interference for sensitive receivers including radar, GPS, and satellite communications.

Issue Time: 2022 Jul 02 0601 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2022 Jul 02 0559 UTC
Synoptic Period: 0300-0600 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor
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.

Issue Time: 2022 Jul 02 0402 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2022 Jul 02 0402 UTC
Valid To: 2022 Jul 02 1200 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor
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.

Issue Time: 2022 Jul 02 0140 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2022 Jul 02 0135 UTC
Synoptic Period: 0000-0300 UTC

Active Warning: Yes
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.

Issue Time: 2022 Jul 01 2254 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2022 Jul 01 2253 UTC
Valid To: 2022 Jul 02 1200 UTC
Warning Condition: Onset
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.

Issue Time: 2022 Jul 01 2254 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2022 Jul 01 2253 UTC
Valid To: 2022 Jul 02 1200 UTC
Warning Condition: Onset
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.

Issue Time: 2022 Jul 01 0459 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3256
Begin Time: 2022 Jun 25 1410 UTC
Yesterday Maximum 2MeV Flux: 4550 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2022 Jun 30 0459 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3255
Begin Time: 2022 Jun 25 1410 UTC
Yesterday Maximum 2MeV Flux: 3492 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2022 Jun 29 0459 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3254
Begin Time: 2022 Jun 25 1410 UTC
Yesterday Maximum 2MeV Flux: 4932 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2022 Jun 28 0704 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3253
Begin Time: 2022 Jun 25 1410 UTC
Yesterday Maximum 2MeV Flux: 3636 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2022 Jun 27 0627 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3252
Begin Time: 2022 Jun 25 1410 UTC
Yesterday Maximum 2MeV Flux: 1149 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2022 Jun 26 2006 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2022 Jun 26 2006 UTC
Synoptic Period: 1800-2100 UTC

Active Warning: Yes
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.

Issue Time: 2022 Jun 26 1910 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2022 Jun 26 1910 UTC
Valid To: 2022 Jun 27 1200 UTC
Warning Condition: Onset
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.

Issue Time: 2022 Jun 26 1707 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3251
Begin Time: 2022 Jun 25 1410 UTC
Yesterday Maximum 2MeV Flux: 2035 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2022 Jun 26 1029 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2022 Jun 26 1026 UTC
Valid To: 2022 Jun 26 1500 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor
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.

Issue Time: 2022 Jun 26 1029 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4122
Valid From: 2022 Jun 25 2024 UTC
Now Valid Until: 2022 Jun 26 1800 UTC
Warning Condition: Persistence
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.

Issue Time: 2022 Jun 26 0230 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2022 Jun 26 0220 UTC
Synoptic Period: 0000-0300 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor
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.

Issue Time: 2022 Jun 25 2343 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2022 Jun 25 2342 UTC
Synoptic Period: 2100-2400 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor
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.

Issue Time: 2022 Jun 25 2039 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2022 Jun 25 2039 UTC
Valid To: 2022 Jun 26 0900 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor
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.

Issue Time: 2022 Jun 25 2034 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2022 Jun 25 2034 UTC
Synoptic Period: 1800-2100 UTC

Active Warning: Yes
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.

Issue Time: 2022 Jun 25 2025 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2022 Jun 25 2024 UTC
Valid To: 2022 Jun 26 1200 UTC
Warning Condition: Onset
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.

Issue Time: 2022 Jun 25 1520 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2022 Jun 25 1410 UTC
Station: GOES-16

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

Issue Time: 2022 Jun 23 1437 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3249
Begin Time: 2022 Jun 18 1235 UTC
Yesterday Maximum 2MeV Flux: 1179 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2022 Jun 22 1559 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3248
Begin Time: 2022 Jun 18 1235 UTC
Yesterday Maximum 2MeV Flux: 2258 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2022 Jun 21 1116 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3247
Begin Time: 2022 Jun 18 1235 UTC
Yesterday Maximum 2MeV Flux: 2970 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2022 Jun 20 0537 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3246
Begin Time: 2022 Jun 18 1235 UTC
Yesterday Maximum 2MeV Flux: 2951 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2022 Jun 19 1211 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3245
Begin Time: 2022 Jun 18 1235 UTC
Yesterday Maximum 2MeV Flux: 1414 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2022 Jun 18 2225 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2022 Jun 18 2222 UTC
Valid To: 2022 Jun 19 0600 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor
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.

Issue Time: 2022 Jun 18 2223 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2022 Jun 18 2222 UTC
Synoptic Period: 2100-2400 UTC

Active Warning: Yes
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.

Issue Time: 2022 Jun 18 2219 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2022 Jun 18 2215 UTC
Valid To: 2022 Jun 19 1200 UTC
Warning Condition: Onset
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.

Issue Time: 2022 Jun 18 1649 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2022 Jun 18 1235 UTC
Station: GOES-16

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

Issue Time: 2022 Jun 18 0116 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2022 Jun 18 0115 UTC
Valid To: 2022 Jun 18 1200 UTC
Warning Condition: Onset
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.

Issue Time: 2022 Jun 17 2026 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2022 Jun 17 2025 UTC
Synoptic Period: 1800-2100 UTC

Active Warning: Yes
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.

Issue Time: 2022 Jun 17 1940 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2022 Jun 17 1940 UTC
Valid To: 2022 Jun 17 2359 UTC
Warning Condition: Onset
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.

Issue Time: 2022 Jun 16 2302 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2022 Jun 16 2300 UTC
Synoptic Period: 2100-2400 UTC

Active Warning: Yes
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.

Issue Time: 2022 Jun 16 2202 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2022 Jun 16 2202 UTC
Valid To: 2022 Jun 17 0900 UTC
Warning Condition: Onset
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.

Issue Time: 2022 Jun 15 1503 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2022 Jun 15 1459 UTC
Synoptic Period: 1200-1500 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor
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.

Issue Time: 2022 Jun 15 1453 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2022 Jun 15 1453 UTC
Valid To: 2022 Jun 15 2100 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor
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.

Issue Time: 2022 Jun 15 1422 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4116
Valid From: 2022 Jun 15 0445 UTC
Now Valid Until: 2022 Jun 15 2359 UTC
Warning Condition: Persistence
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.

Issue Time: 2022 Jun 15 0455 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2022 Jun 15 0448 UTC
Synoptic Period: 0300-0600 UTC

Active Warning: Yes
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.

Issue Time: 2022 Jun 15 0445 UTC
SUMMARY: Geomagnetic Sudden Impulse
Observed: 2022 Jun 15 0437 UTC
Deviation: 18 nT
Station: Canberra
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.

Issue Time: 2022 Jun 15 0420 UTC
WARNING: Geomagnetic Sudden Impulse expected
Valid From: 2022 Jun 15 0425 UTC
Valid To: 2022 Jun 15 0525 UTC
IP Shock Passage Observed: 2022 Jun 15 0400 UTC
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.

Issue Time: 2022 Jun 13 1625 UTC
CANCEL WARNING: Geomagnetic K-index of 5 expected
Cancel Serial Number: 1668
Original Issue Time: 2022 Jun 13 0520 UTC
Comment: Conditions no longer indicative of imminent geomagnetic storm conditions.
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.

Issue Time: 2022 Jun 13 0602 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2022 Jun 13 0559 UTC
Synoptic Period: 0300-0600 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor
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.

Issue Time: 2022 Jun 13 0523 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4114
Valid From: 2022 Jun 13 0232 UTC
Now Valid Until: 2022 Jun 13 2100 UTC
Warning Condition: Persistence
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.

Issue Time: 2022 Jun 13 0520 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2022 Jun 13 0518 UTC
Valid To: 2022 Jun 13 2100 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor
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.

Issue Time: 2022 Jun 13 0515 UTC
SUMMARY: 10cm Radio Burst
Begin Time: 2022 Jun 13 0339 UTC
Maximum Time: 2022 Jun 13 0356 UTC
End Time: 2022 Jun 13 0432 UTC
Duration: 53 minutes
Peak Flux: 670 sfu
Latest Penticton Noon Flux: 121 sfu
Description: A 10cm radio burst indicates that the electromagnetic burst associated with a solar flare at the 10cm wavelength was double or greater than the initial 10cm radio background. This can be indicative of significant radio noise in association with a solar flare. This noise is generally short-lived but can cause interference for sensitive receivers including radar, GPS, and satellite communications.

Issue Time: 2022 Jun 13 0420 UTC
ALERT: Type IV Radio Emission
Begin Time: 2022 Jun 13 0336 UTC
Description: Type IV emissions occur in association with major eruptions on the sun and are typically associated with strong coronal mass ejections and solar radiation storms.

Issue Time: 2022 Jun 13 0406 UTC
ALERT: Type II Radio Emission
Begin Time: 2022 Jun 13 0324 UTC
Estimated Velocity: 325 km\/s
Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.

Issue Time: 2022 Jun 13 0338 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2022 Jun 13 0338 UTC
Synoptic Period: 0300-0600 UTC

Active Warning: Yes
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.

Issue Time: 2022 Jun 13 0232 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2022 Jun 13 0232 UTC
Valid To: 2022 Jun 13 1200 UTC
Warning Condition: Onset
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.

Issue Time: 2022 Jun 12 1652 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2022 Jun 12 1653 UTC
Valid To: 2022 Jun 12 2100 UTC
Warning Condition: Onset
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.

Issue Time: 2022 Jun 06 1936 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2022 Jun 06 1935 UTC
Valid To: 2022 Jun 06 2359 UTC
Warning Condition: Onset
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.
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