18/5/12

Informe Actividad Solar 17/05/2012 - IMPRESIONANTE CME - Alerta Noaa Tipo S2 (moderada)

ACTUALIZACIÓN 18 DE MAYO

Una eyección de masa coronal (CME) que voló la extremidad occidental del sol el 17 de mayo podría chocar con la Tierra, después de todo. Los meteorólogos de la NOAA dicen que una onda de choque de la explosión podría dar un golpe mirando al campo magnético de la Tierra el 18 o el 19 de mayo. La CME, se muestra a continuación, fue impulsado por un M5 de clase llamarada solar de la salida de manchas solares AR1476.

Según NOAA, existe una probabilidad del 40% de las tormentas geomagnéticas menores y un 15% de probabilidad de tormentas fuertes, cuando llega el choque.

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La tormenta se inició durante las primeras horas del 17 de mayo, cuando un fuerte llamarada de clase M5 lanzó una descarga de protones solares en nuestra dirección. En su apogeo, la clase S2 tormenta era capaz de confundir a los sistemas de la nave espacial de imagen y causando "solo evento molesta 'en órbita alrededor de la electrónica. alertas de tormenta de radiación: de texto y teléfono. La mancha solar que produjo esta fenomenal llamarada fue la AR1476.

La explosión que causó la tormenta de radiación también lanzó una eyección de masa coronal (CME) en el espacio. SOHO registró la nube alejándose del sol más rápido de 1500 km / s.

Mas imágenes a Continuación









ALERTAS NOAA

Space Weather Message Code: SUMPC0
Serial Number: 22
Issue Time: 2012 May 17 2330 UTC
SUMMARY: Proton Event 100MeV Integral Flux exceeded 1pfu
Begin Time: 2012 May 17 0200 UTC
Maximum Time: 2012 May 17 0230 UTC
End Time: 2012 May 17 1725 UTC
Maximum 100MeV Flux: 20 pfu

Space Weather Message Code: WARPX1
Serial Number: 355
Issue Time: 2012 May 17 2330 UTC
EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
Extension to Serial Number: 354
Valid From: 2012 May 17 0255 UTC
Now Valid Until: 2012 May 18 1300 UTC
Warning Condition: Persistence
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: SUMPX2
Serial Number: 31
Issue Time: 2012 May 17 1815 UTC
SUMMARY: Proton Event 10MeV Integral Flux exceeded 100pfu
Begin Time: 2012 May 17 0245 UTC
Maximum Time: 2012 May 17 0430 UTC
End Time: 2012 May 17 0945 UTC
Maximum 10MeV Flux: 255 pfu
NOAA Scale: S2 - Moderate

Space Weather Message Code: SUM10R
Serial Number: 540
Issue Time: 2012 May 17 0329 UTC
SUMMARY: 10cm Radio Burst
Begin Time: 2012 May 17 0129 UTC
Maximum Time: 2012 May 17 0142 UTC
End Time: 2012 May 17 0151 UTC
Duration: 22 minutes
Peak Flux: 600 sfu
Latest Penticton Noon Flux: 131 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: ALTTP2
Serial Number: 794
Issue Time: 2012 May 17 0327 UTC
ALERT: Type II Radio Emission
Begin Time: 2012 May 17 0131 UTC
Estimated Velocity: 645 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: 370
Issue Time: 2012 May 17 0327 UTC
ALERT: Type IV Radio Emission
Begin Time: 2012 May 17 0132 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: SUMXM5
Serial Number: 90
Issue Time: 2012 May 17 0258 UTC
SUMMARY: X-ray Event exceeded M5
Begin Time: 2012 May 17 0125 UTC
Maximum Time: 2012 May 17 0147 UTC
End Time: 2012 May 17 0214 UTC
X-ray Class: M5.1
Location: N13W73
NOAA Scale: R2 - Moderate
Potential Impacts: Area of impact centered primarily on sub-solar point on the sunlit side of Earth.
Radio - Limited blackout of HF (high frequency) radio communication for tens of minutes.

Space Weather Message Code: ALTXMF
Serial Number: 171
Issue Time: 2012 May 17 0257 UTC
ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2012 May 17 0143 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: WARPC0
Serial Number: 62
Issue Time: 2012 May 17 0256 UTC
WARNING: Proton 100MeV Integral Flux above 1pfu expected
Valid From: 2012 May 17 0255 UTC
Valid To: 2012 May 17 2359 UTC
Warning Condition: Onset
Potential Impacts: An enhancement in the energetic portion of the solar radiation spectrum may indicate increased biological risk to astronauts or passengers and crew in high latitude, high altitude flights. Additionally, energetic particles may represent an increased risk to all satellite systems susceptible to single event effects. This information should be used in conjunction with the current Solar Radiation Storm conditions when assessing overall impact.

Space Weather Message Code: ALTPX1
Serial Number: 287
Issue Time: 2012 May 17 0256 UTC
ALERT: Proton Event 10MeV Integral Flux exceeded 10pfu
Begin Time: 2012 May 17 0255 UTC
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: WARPX1
Serial Number: 354
Issue Time: 2012 May 17 0255 UTC
WARNING: Proton 10MeV Integral Flux above 10pfu expected
Valid From: 2012 May 17 0255 UTC
Valid To: 2012 May 17 2359 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: ALTPC0
Serial Number: 37
Issue Time: 2012 May 17 0253 UTC
ALERT: Proton Event 100MeV Integral Flux exceeded 1pfu
Begin Time: 2012 May 17 0252 UTC
Potential Impacts: An enhancement in the energetic portion of the solar radiation spectrum may indicate increased biological risk to astronauts or passengers and crew in high latitude, high altitude flights. Additionally, energetic particles may represent an increased risk to all satellite systems susceptible to single event effects. This information should be used in conjunction with the current Solar Radiation Storm conditions when assessing overall impact.

Fuente: Spaceweather

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