Active Region 2665 produced a long duration solar flare measuring M2.4 at its peak time on July 14, 2017. Today’s event lasted for more than 2 hours; it started at 01:07, peaked at 02:09 and ended at 03:24 UTC. The eruption produced a coronal mass ejection (CME) which appears to have an Earth-directed component. This region is now moving away from the center of the Earth-facing Sun but could still produce moderate to strong eruptions in the days ahead.
The eruption was associated with a Type IV radio emission. 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.
This CME will likely reach Earth late Monday, July 16 or early Tuesday, July 17.
Additionally, a 10cm Radio Burst lasting 44 minutes with peak flux of 130 sfu was associated with the event. 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.
An S1 (Minor) Solar Radiation Storm Warning is effect for 10 MeV Integral Flux above 10 pfu valid from 05:30 to 18:00 UTC today.
https://gfycat.com/ifr/CrazyBlondHadrosaurus
https://gfycat.com/ifr/SnivelingGargantuanHyracotherium
https://gfycat.com/ifr/KindlyBeneficialAsianpiedstarling
https://gfycat.com/ifr/UnsteadyPiercingAstarte
https://gfycat.com/ifr/ThinBriskIndianspinyloach
WSA Enlil model below shows a potential glancing blow from a CME observed off the west limb at approximately 13:00 UTC on July 13. The impact is expected midday July 17, and could possibly combine with today’s CME.
https://gfycat.com/ifr/RaggedObviousBoaconstrictor
Region 2665 (beta) is now moving away from the center of the Earth-facing Sun, but is still potent enough to produce moderate to strong eruptions in the days ahead.
Sunspots on July 14, 2017. Credit: NASA SDO/HMI
SWPC Alerts
Space Weather Message Code: WARPX1
Serial Number: 459
Issue Time: 2017 Jul 14 0530 UTC
WARNING: Proton 10MeV Integral Flux above 10pfu expected
Valid From: 2017 Jul 14 0530 UTC
Valid To: 2017 Jul14 1800 UTC
Warning Condition: Onset
Predicted NOAA Scale: S1 – Minor
Potential Impacts: Radio – Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.
***
Space Weather Message Code: ALTTP4
Serial Number: 536
Issue Time: 2017 Jul 14 0235 UTC
ALERT: Type IV Radio Emission
Begin Time: 2017 Jul 14 0202 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: 692
Issue Time: 2017 Jul 14 0231 UTC
SUMMARY: 10cm Radio Burst
Begin Time: 2017 Jul 14 0110 UTC
Maximum Time: 2017 Jul 14 0151 UTC
End Time: 2017 Jul 14 0154 UTC
Duration: 44 minutes
Peak Flux: 130sfu
Latest Penticton Noon Flux: 92 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.
NOTE: This page will be updated when new information becomes available.
Featured image: CME produced by M2.4 solar flare on July 14, 2017. Credits: NASA, ESA, SOHO, SDO
Original Article:https://watchers.news/2017/07/14/m2-4-solar-flare-july-14-2017/
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