Space Weather Alerts, Watches and Warnings
Issue Time: 2020 Nov 29 1348 UTC
SUMMARY: 10cm Radio Burst
Begin Time: 2020 Nov 29 1250 UTC
Maximum Time: 2020 Nov 29 1307 UTC
End Time: 2020 Nov 29 1324 UTC
Duration: 34 minutes
Peak Flux: 240 sfu
Latest Penticton Noon Flux: 110 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: 2020 Nov 29 1326 UTC
ALERT: Type II Radio Emission
Begin Time: 2020 Nov 29 1257 UTC
Estimated Velocity: 765 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: 2020 Nov 29 1044 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3086
Begin Time: 2020 Nov 23 1225 UTC
Yesterday Maximum 2MeV Flux: 1673 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2020 Nov 28 1247 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3085
Begin Time: 2020 Nov 23 1225 UTC
Yesterday Maximum 2MeV Flux: 2310 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2020 Nov 28 0426 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020 Nov 28 0425 UTC
Valid To: 2020 Nov 28 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: 2020 Nov 27 1212 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3084
Begin Time: 2020 Nov 23 1225 UTC
Yesterday Maximum 2MeV Flux: 1803 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2020 Nov 26 1422 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3083
Begin Time: 2020 Nov 23 1225 UTC
Yesterday Maximum 2MeV Flux: 2329 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2020 Nov 25 0902 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3082
Begin Time: 2020 Nov 23 1225 UTC
Yesterday Maximum 2MeV Flux: 2376 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2020 Nov 24 0500 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3081
Begin Time: 2020 Nov 23 1225 UTC
Yesterday Maximum 2MeV Flux: 2400 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2020 Nov 23 1241 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2020 Nov 23 1225 UTC
Station: GOES16

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

Issue Time: 2020 Nov 22 2242 UTC
SUMMARY: 10cm Radio Burst
Begin Time: 2020 Nov 22 1942 UTC
Maximum Time: 2020 Nov 22 1943 UTC
End Time: 2020 Nov 22 1943 UTC
Duration: 1 minutes
Peak Flux: 160 sfu
Latest Penticton Noon Flux: 88 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: 2020 Nov 22 1751 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1565
Valid From: 2020 Nov 22 1358 UTC
Now Valid Until: 2020 Nov 23 0300 UTC
Warning Condition: Persistence
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: 2020 Nov 22 1717 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3790
Valid From: 2020 Nov 21 2053 UTC
Now Valid Until: 2020 Nov 23 0900 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: 2020 Nov 22 1459 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2020 Nov 22 1457 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: 2020 Nov 22 1358 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2020 Nov 22 1358 UTC
Valid To: 2020 Nov 22 1800 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: 2020 Nov 22 1114 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3789
Valid From: 2020 Nov 21 2053 UTC
Now Valid Until: 2020 Nov 22 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: 2020 Nov 22 0433 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3788
Valid From: 2020 Nov 21 2053 UTC
Now Valid Until: 2020 Nov 22 1200 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: 2020 Nov 22 0001 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2020 Nov 21 2359 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: 2020 Nov 21 2052 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020 Nov 21 2053 UTC
Valid To: 2020 Nov 22 0600 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: 2020 Nov 20 0516 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2020 Nov 20 0515 UTC
Valid To: 2020 Nov 20 1500 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: 2020 Nov 12 0603 UTC
SUMMARY: 10cm Radio Burst
Begin Time: 2020 Nov 12 0419 UTC
Maximum Time: 2020 Nov 12 0433 UTC
End Time: 2020 Nov 12 0433 UTC
Duration: 14 minutes
Peak Flux: 170 sfu
Latest Penticton Noon Flux: 88 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: 2020 Nov 11 1522 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2020 Nov 11 1500 UTC
Station: GOES16

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

Issue Time: 2020 Nov 06 2042 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3078
Begin Time: 2020 Nov 05 1250 UTC
Yesterday Maximum 2MeV Flux: 2953 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2020 Nov 05 1256 UTC
ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Threshold Reached: 2020 Nov 05 1250 UTC
Station: GOES-16

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

Issue Time: 2020 Nov 05 0433 UTC
SUMMARY: 10cm Radio Burst
Begin Time: 2020 Nov 05 0414 UTC
Maximum Time: 2020 Nov 05 0414 UTC
End Time: 2020 Nov 05 0414 UTC
Duration: 1 minutes
Peak Flux: 98 sfu
Latest Penticton Noon Flux: 88 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: 2020 Nov 01 1409 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3076
Begin Time: 2020 Oct 25 1320 UTC
Yesterday Maximum 2MeV Flux: 7325 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Issue Time: 2020 Oct 31 0459 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3075
Begin Time: 2020 Oct 25 1320 UTC
Yesterday Maximum 2MeV Flux: 8658 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
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