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Alerts Issued in June 2014


Space Weather Message Code: WARK04
Serial Number: 2281
Issue Time: 2014 Jun 30 0008 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2014 Jun 30 0005 UTC
Valid To: 2014 Jun 30 0700 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.


Space Weather Message Code: WARK04
Serial Number: 2280
Issue Time: 2014 Jun 28 1545 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2014 Jun 28 1545 UTC
Valid To: 2014 Jun 29 0700 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.


Space Weather Message Code: ALTTP2
Serial Number: 943
Issue Time: 2014 Jun 28 1231 UTC

ALERT: Type II Radio Emission
Begin Time: 2014 Jun 28 0746 UTC
Estimated Velocity: 813 km/s

Comment: Final Sweep message delayed from Learmonth.
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.


Space Weather Message Code: WARK04
Serial Number: 2279
Issue Time: 2014 Jun 24 0353 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 2278
Valid From: 2014 Jun 23 2250 UTC
Now Valid Until: 2014 Jun 24 1300 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.


Space Weather Message Code: SUMSUD
Serial Number: 193
Issue Time: 2014 Jun 23 2323 UTC

SUMMARY: Geomagnetic Sudden Impulse
Observed: 2014 Jun 23 2308 UTC
Deviation: 34 nT
Station: Boulder


Space Weather Message Code: WARK04
Serial Number: 2278
Issue Time: 2014 Jun 23 2218 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2014 Jun 23 2250 UTC
Valid To: 2014 Jun 24 0400 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.


Space Weather Message Code: WARSUD
Serial Number: 153
Issue Time: 2014 Jun 23 2210 UTC

WARNING: Geomagnetic Sudden Impulse expected
Valid From: 2014 Jun 23 2250 UTC
Valid To: 2014 Jun 23 2325 UTC
IP Shock Passage Observed: 2014 Jun 23 2202 UTC


Space Weather Message Code: WATA20
Serial Number: 578
Issue Time: 2014 Jun 21 2112 UTC

WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Jun 22: G1 (Minor) Jun 23: G1 (Minor) Jun 24: 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.


Space Weather Message Code: WATA20
Serial Number: 577
Issue Time: 2014 Jun 20 2108 UTC

WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Jun 21: None (Below G1) Jun 22: G1 (Minor) Jun 23: 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.


Space Weather Message Code: WARK04
Serial Number: 2277
Issue Time: 2014 Jun 19 0256 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 2276
Valid From: 2014 Jun 18 2049 UTC
Now Valid Until: 2014 Jun 19 1300 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.


Space Weather Message Code: ALTK05
Serial Number: 747
Issue Time: 2014 Jun 18 2334 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2014 Jun 18 2333 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.


Space Weather Message Code: WARK05
Serial Number: 902
Issue Time: 2014 Jun 18 2332 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2014 Jun 18 2331 UTC
Valid To: 2014 Jun 19 0300 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.


Space Weather Message Code: ALTK04
Serial Number: 1715
Issue Time: 2014 Jun 18 2106 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2014 Jun 18 2059 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.


Space Weather Message Code: WARK04
Serial Number: 2276
Issue Time: 2014 Jun 18 2050 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2014 Jun 18 2049 UTC
Valid To: 2014 Jun 19 0300 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.


Space Weather Message Code: ALTTP2
Serial Number: 942
Issue Time: 2014 Jun 18 1732 UTC

ALERT: Type II Radio Emission
Begin Time: 2014 Jun 18 1626 UTC
Estimated Velocity: 1135 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.


Space Weather Message Code: ALTTP4
Serial Number: 466
Issue Time: 2014 Jun 15 1312 UTC

ALERT: Type IV Radio Emission
Begin Time: 2014 Jun 15 1247 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.


Space Weather Message Code: ALTTP2
Serial Number: 941
Issue Time: 2014 Jun 14 2057 UTC

ALERT: Type II Radio Emission
Begin Time: 2014 Jun 14 1948 UTC
Estimated Velocity: 396 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.


Space Weather Message Code: ALTTP4
Serial Number: 465
Issue Time: 2014 Jun 13 0854 UTC

ALERT: Type IV Radio Emission
Begin Time: 2014 Jun 13 0810 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.


Space Weather Message Code: ALTTP2
Serial Number: 940
Issue Time: 2014 Jun 13 0827 UTC

ALERT: Type II Radio Emission
Begin Time: 2014 Jun 13 0757 UTC
Estimated Velocity: 959 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.


Space Weather Message Code: ALTTP2
Serial Number: 939
Issue Time: 2014 Jun 12 2233 UTC

ALERT: Type II Radio Emission
Begin Time: 2014 Jun 12 2200 UTC
Estimated Velocity: 1679 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.


Space Weather Message Code: ALTTP4
Serial Number: 464
Issue Time: 2014 Jun 12 2226 UTC

ALERT: Type IV Radio Emission
Begin Time: 2014 Jun 12 2203 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.


Space Weather Message Code: SUM10R
Serial Number: 622
Issue Time: 2014 Jun 12 2204 UTC

SUMMARY: 10cm Radio Burst
Begin Time: 2014 Jun 12 2157 UTC
Maximum Time: 2014 Jun 12 2157 UTC
End Time: 2014 Jun 12 2157 UTC
Duration: 1 minutes
Peak Flux: 220 sfu
Latest Penticton Noon Flux: 175 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.


Space Weather Message Code: ALTTP4
Serial Number: 463
Issue Time: 2014 Jun 12 0928 UTC

ALERT: Type IV Radio Emission
Begin Time: 2014 Jun 12 0738 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.


Space Weather Message Code: SUM10R
Serial Number: 621
Issue Time: 2014 Jun 11 2108 UTC

SUMMARY: 10cm Radio Burst
Begin Time: 2014 Jun 11 2056 UTC
Maximum Time: 2014 Jun 11 2056 UTC
End Time: 2014 Jun 11 2057 UTC
Duration: 2 minutes
Peak Flux: 420 sfu
Latest Penticton Noon Flux: 168 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.


Space Weather Message Code: SUMX01
Serial Number: 102
Issue Time: 2014 Jun 11 0919 UTC

SUMMARY: X-ray Event exceeded X1
Begin Time: 2014 Jun 11 0859 UTC
Maximum Time: 2014 Jun 11 0906 UTC
End Time: 2014 Jun 11 0910 UTC
X-ray Class: X1.0
Optical Class: 2b
Location: S14E68
NOAA Scale: R3 - Strong
Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strongest at the sub-solar point.
Radio - Wide area blackout of HF (high frequency) radio communication for about an hour.


Space Weather Message Code: ALTXMF
Serial Number: 223
Issue Time: 2014 Jun 11 0908 UTC

ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2014 Jun 11 0904 UTC
NOAA Scale: R2 - Moderate
Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time information on affected area and expected duration please see http://www.swpc.noaa.gov/drap/index.html.


Space Weather Message Code: ALTTP4
Serial Number: 462
Issue Time: 2014 Jun 11 0615 UTC

ALERT: Type IV Radio Emission
Begin Time: 2014 Jun 11 0458 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.


Space Weather Message Code: ALTTP2
Serial Number: 938
Issue Time: 2014 Jun 10 1554 UTC

ALERT: Type II Radio Emission
Begin Time: 2014 Jun 10 1140 UTC
Estimated Velocity: 878 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.


Space Weather Message Code: SUMX01
Serial Number: 101
Issue Time: 2014 Jun 10 1327 UTC

SUMMARY: X-ray Event exceeded X1
Begin Time: 2014 Jun 10 1236 UTC
Maximum Time: 2014 Jun 10 1252 UTC
End Time: 2014 Jun 10 1303 UTC
X-ray Class: X1.5
Optical Class: 1f
Location: S18E79
NOAA Scale: R3 - Strong
Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strongest at the sub-solar point.
Radio - Wide area blackout of HF (high frequency) radio communication for about an hour.


Space Weather Message Code: SUM10R
Serial Number: 620
Issue Time: 2014 Jun 10 1312 UTC

SUMMARY: 10cm Radio Burst
Begin Time: 2014 Jun 10 1241 UTC
Maximum Time: 2014 Jun 10 1247 UTC
End Time: 2014 Jun 10 1259 UTC
Duration: 18 minutes
Peak Flux: 530 sfu
Latest Penticton Noon Flux: 161 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.


Space Weather Message Code: ALTTP4
Serial Number: 461
Issue Time: 2014 Jun 10 1309 UTC

ALERT: Type IV Radio Emission
Begin Time: 2014 Jun 10 1230 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.


Space Weather Message Code: ALTXMF
Serial Number: 222
Issue Time: 2014 Jun 10 1246 UTC

ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2014 Jun 10 1245 UTC
NOAA Scale: R2 - Moderate
Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time information on affected area and expected duration please see http://www.swpc.noaa.gov/drap/index.html.


Space Weather Message Code: SUM10R
Serial Number: 619
Issue Time: 2014 Jun 10 1226 UTC

SUMMARY: 10cm Radio Burst
Begin Time: 2014 Jun 10 1139 UTC
Maximum Time: 2014 Jun 10 1140 UTC
End Time: 2014 Jun 10 1142 UTC
Duration: 3 minutes
Peak Flux: 1400 sfu
Latest Penticton Noon Flux: 161 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.


Space Weather Message Code: SUMX01
Serial Number: 100
Issue Time: 2014 Jun 10 1208 UTC

SUMMARY: X-ray Event exceeded X1
Begin Time: 2014 Jun 10 1136 UTC
Maximum Time: 2014 Jun 10 1142 UTC
End Time: 2014 Jun 10 1144 UTC
X-ray Class: X2.2
Optical Class: sf
Location: S15E80
NOAA Scale: R3 - Strong
Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strongest at the sub-solar point.
Radio - Wide area blackout of HF (high frequency) radio communication for about an hour.


Space Weather Message Code: ALTXMF
Serial Number: 221
Issue Time: 2014 Jun 10 1143 UTC

ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2014 Jun 10 1140 UTC
NOAA Scale: R2 - Moderate
Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time information on affected area and expected duration please see http://www.swpc.noaa.gov/drap/index.html.


Space Weather Message Code: ALTTP2
Serial Number: 937
Issue Time: 2014 Jun 09 0032 UTC

ALERT: Type II Radio Emission
Begin Time: 2014 Jun 08 2353 UTC
Estimated Velocity: 890 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.


Space Weather Message Code: WARK04
Serial Number: 2275
Issue Time: 2014 Jun 08 2133 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 2274
Valid From: 2014 Jun 07 1700 UTC
Now Valid Until: 2014 Jun 09 1300 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.


Space Weather Message Code: ALTK06
Serial Number: 323
Issue Time: 2014 Jun 08 0900 UTC

ALERT: Geomagnetic K-index of 6
Threshold Reached: 2014 Jun 08 0900 UTC
Synoptic Period: 0600-0900 UTC
Active Warning: Yes
NOAA Scale: G2 - Moderate
Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.


Space Weather Message Code: WARK04
Serial Number: 2274
Issue Time: 2014 Jun 08 0900 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 2273
Valid From: 2014 Jun 07 1700 UTC
Now Valid Until: 2014 Jun 08 2200 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.


Space Weather Message Code: WARK05
Serial Number: 901
Issue Time: 2014 Jun 08 0900 UTC

EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 900
Valid From: 2014 Jun 08 0447 UTC
Now Valid Until: 2014 Jun 08 1600 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.


Space Weather Message Code: WARK07
Serial Number: 42
Issue Time: 2014 Jun 08 0738 UTC

WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2014 Jun 08 0737 UTC
Valid To: 2014 Jun 08 0915 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater - Strong to Extreme
Potential Impacts: Area of impact primarily poleward of 50 degrees Geomagnetic Latitude.
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.


Space Weather Message Code: WARK04
Serial Number: 2273
Issue Time: 2014 Jun 08 0655 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 2272
Valid From: 2014 Jun 07 1700 UTC
Now Valid Until: 2014 Jun 08 1300 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.


Space Weather Message Code: ALTK06
Serial Number: 322
Issue Time: 2014 Jun 08 0618 UTC

ALERT: Geomagnetic K-index of 6
Threshold Reached: 2014 Jun 08 0600 UTC
Synoptic Period: 0600-0900 UTC
Active Warning: No
NOAA Scale: G2 - Moderate
Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.


Space Weather Message Code: WARK06
Serial Number: 243
Issue Time: 2014 Jun 08 0618 UTC

WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2014 Jun 08 0616 UTC
Valid To: 2014 Jun 08 0915 UTC
Warning Condition: Onset
NOAA Scale: G2 - Moderate
Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.


Space Weather Message Code: ALTK05
Serial Number: 746
Issue Time: 2014 Jun 08 0451 UTC

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2014 Jun 08 0448 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.


Space Weather Message Code: WARK05
Serial Number: 900
Issue Time: 2014 Jun 08 0447 UTC

WARNING: Geomagnetic K-index of 5 expected
Valid From: 2014 Jun 08 0447 UTC
Valid To: 2014 Jun 08 1000 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.


Space Weather Message Code: WARK04
Serial Number: 2272
Issue Time: 2014 Jun 08 0055 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 2271
Valid From: 2014 Jun 07 1700 UTC
Now Valid Until: 2014 Jun 08 0700 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.


Space Weather Message Code: WARK04
Serial Number: 2271
Issue Time: 2014 Jun 07 2146 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 2270
Valid From: 2014 Jun 07 1700 UTC
Now Valid Until: 2014 Jun 08 0100 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.


Space Weather Message Code: ALTK04
Serial Number: 1714
Issue Time: 2014 Jun 07 1732 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2014 Jun 07 1731 UTC
Synoptic Period: 1500-1800 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.


Space Weather Message Code: SUMSUD
Serial Number: 192
Issue Time: 2014 Jun 07 1709 UTC

SUMMARY: Geomagnetic Sudden Impulse
Observed: 2014 Jun 07 1657 UTC
Deviation: 17 nT
Station: Ottawa


Space Weather Message Code: WARK04
Serial Number: 2270
Issue Time: 2014 Jun 07 1700 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2014 Jun 07 1700 UTC
Valid To: 2014 Jun 07 2200 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.


Space Weather Message Code: WARSUD
Serial Number: 152
Issue Time: 2014 Jun 07 1619 UTC

WARNING: Geomagnetic Sudden Impulse expected
Valid From: 2014 Jun 07 1650 UTC
Valid To: 2014 Jun 07 1720 UTC
IP Shock Passage Observed: 2014 Jun 07 1609 UTC


Space Weather Message Code: ALTTP2
Serial Number: 936
Issue Time: 2014 Jun 06 1329 UTC

ALERT: Type II Radio Emission
Begin Time: 2014 Jun 06 1238 UTC
Estimated Velocity: 975 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.


Space Weather Message Code: WARK04
Serial Number: 2269
Issue Time: 2014 Jun 03 0240 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2014 Jun 03 0239 UTC
Valid To: 2014 Jun 03 1300 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.


Space Weather Message Code: ALTTP2
Serial Number: 935
Issue Time: 2014 Jun 01 0220 UTC

ALERT: Type II Radio Emission
Begin Time: 2014 Jun 01 0149 UTC
Estimated Velocity: 892 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.


Space Weather Message Code: ALTTP2
Serial Number: 934
Issue Time: 2014 Jun 01 0219 UTC

ALERT: Type II Radio Emission
Begin Time: 2014 Jun 01 0141 UTC
Estimated Velocity: 1015 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.