Space Weather
@spaceweather
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Daily updates on space weather and solar activity. A service of @SpaceRef .
Sol - G2V-type, yellow dwarf and main sequence star.
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 164 Issued at 2200Z on 13 Jun 2023
#SpaceWeather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 156 Issued at 2200Z on 05 Jun 2023
#spaceweather
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#OTD
19 Dec 1973 pic taken during Skylab 4 shows one of the largest solar flares ever recorded, more than 588,000 km (365,000 mis). across. Larger image
#spaceweather
#heliophysics
#solarphysics
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 158 Issued at 2200Z on 07 Jun 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 138 Issued at 2200Z on 18 May 2023
#SpaceWeather
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Space Weather Message Code: WARK07
Serial Number: 89
Issue Time: 2023 Mar 23 2251 UTC
WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: Mar 23 2250 UTC
Valid To: Mar 24 0300 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater - Strong to Extreme
#spaceweather
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A Powerful Solar Eruption On The Far Side Of The Sun Still Impacted Earth
#NASA
#Astrophysics
#SpaceWeather
#heliophysics
#LPSC2023
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 144 Issued at 2200Z on 24 May 2023
#spaceweather
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Space Weather Message Code: WARK07
Serial Number: 83
Issue Time: Sep 27 0218 UTC
WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: Sep 27 0217 UTC
Valid To: Sep 27 0900 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater - Strong to Extreme
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 130 Issued at 2200Z on 10 May 2023
#spaceweather
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WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2021 Nov 03 2204 UTC
Valid To: 2021 Nov 04 0300 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater - Strong to Extreme
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 157 Issued at 2200Z on 06 Jun 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 107 Issued at 2200Z on 17 Apr 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 132 Issued at 2200Z on 12 May 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 161 Issued at 2200Z on 10 Jun 2023
#Spaceweather
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A solar flare hit Earth today, causing radio blackouts in Australia and New Zealand
#spaceweather
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The Sun
28 July 2023
Credit: SDO / NASA / AIA / Seán Doran
Music by Chris Zabriskie
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 141 Issued at 2200Z on 21 May 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 84 Issued at 2200Z on 25 Mar 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 101 Issued at 2200Z on 11 Apr 2023
#spaceweather
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These photos are so incredibly perfect that I can't believe they're real
http://t.co/IfHkgtaW9d
http://t.co/Gzjcm5mvLR
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Space Weather Message Code: ALTK07
Serial Number: 122
Issue Time: 2023 Feb 27 1436 UTC
ALERT: Geomagnetic K-index of 7
Threshold Reached: 2023 Feb 27 1435 UTC
Synoptic Period: 1200-1500 UTC
Active Warning: Yes
NOAA Scale: G3 - Strong
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 14 Issued at 2200Z on 14 Jan 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 128 Issued at 2200Z on 08 May 2023
#SpaceWeather
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Space Weather Message Code: SUMX01
Serial Number: 132
Issue Time: 2023 Aug 07 2130 UTC
SUMMARY: X-ray Event exceeded X1
Begin 2030 UTC
Max 2046 UTC
End 2118 UTC
X-ray Class: X1.5
Location: N11W95
NOAA Scale: R3 - Strong
#spaceweather
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Issue Time: 2021 Nov 04 0244 UTC
EXTENDED WARNING: Geomagnetic K-index of 7 or greater expected
Extension to Serial Number: 79
Valid From: 2021 Nov 03 2204 UTC
Now Valid Until: 2021 Nov 04 0900 UTC
Warning Condition: Persistence
#spaceweather
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Direct Hit! A snake-like filament launches as a
#solarstorm
and it is Earth-directed. NASA predictions show impact late September 19.
#Aurora
possible to mid-latitudes. Expect amateur
#radio
&
#GPS
signal disruptions when the storm hits.
#UAV
pilots watch your magnetometers.
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 106 Issued at 2200Z on 16 Apr 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 91 Issued at 2200Z on 01 Apr 2023
#spaceweather
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Aurora Hunters Capture the Wonder of the Northern (and Southern) Lights
#spaceweather
#Auroraborealis
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#SpaceWeather
Message Code: WARK07
Serial Number: 82
Issue Time: 2022 Aug 17 2035 UTC
WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2022 Aug 17 2031 UTC
Valid To: 2022 Aug 17 2359 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater - Strong to Extreme
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A Giant Solar Eruption in 2021 Was Felt On Earth, Moon And Mars
#ESA
#spaceweather
#solarflare
#Earth
#Moon
#Mars
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 19 Issued at 2200Z on 19 Jan 2023
#Spaceweather
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Space Weather Message Code: ALTK07
Serial Number: 124
Issue Time: 2023 Mar 23 1450 UTC
ALERT: Geomagnetic K-index of 7
Threshold Reached: 2023 Mar 23 1446 UTC
Synoptic Period: 1200-1500 UTC
Active Warning: Yes
NOAA Scale: G3 - Strong
#spaceweather
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New Sunspot Cycle Could Be One Of The Strongest On Record, New Research Predicts
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 152 Issued at 2200Z on 01 Jun 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 24 Issued at 2200Z on 24 Jan 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 142 Issued at 2200Z on 22 May 2023
#spaceweather
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Spot complex Region 3184 produced an impulsive X1.9 flare (R3-Strong HF Radio Blackout) at 1:50pm EST (1850 UTC) on 9 January, 2023.
#spaceweather
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ALERT: Type IV Radio Emission
Begin Time: 2023 Feb 24 2028 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.
#spaceweather
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Parker Solar Probe Enters The Solar Atmosphere For The First Time
#solarphysics
#spaceweather
#ParkerSolarProbe
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 7 Issued at 2200Z on 07 Jan 2023
#spaceweather
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Space Weather Message Code: SUMXM5
Serial Number: 172
Issue Time: Feb 21 2044 UTC
SUMMARY: X-ray Event exceeded M5
Begin 1957 UTC
Maximum 2017 UTC
End 2030 UTC
X-ray Class: M5.0
Location: N24E63
NOAA Scale: R2 - Moderate
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 110 Issued at 2200Z on 20 Apr 2023
#Spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 358 Issued at 2200Z on 24 Dec 2022
#Spaceweather
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Space Weather Message Code: ALTK08
Serial Number: 27
Issue Time: 2023 Apr 23 1945 UTC
ALERT: Geomagnetic K-index of 8, 9-
Threshold Reached: 2023 Apr 23 1944 UTC
Synoptic Period: 1800-2100 UTC
Active Warning: Yes
NOAA Scale: G4 - Severe
#spaceweather
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Space Weather Message Code: SUMX01
Serial Number: 120
Issue Time: Oct 02 2047 UTC
SUMMARY: X-ray Event exceeded X1
Begin Time: Oct 02 1953 UTC
Maximum Time: Oct 02 2025 UTC
End Time: 2022 Oct 02 2034 UTC
X-ray Class: X1.0
Location: N17W47
NOAA Scale: R3 - Strong
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 96 Issued at 2200Z on 06 Apr 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 108 Issued at 2200Z on 18 Apr 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 113 Issued at 2200Z on 23 Apr 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 105 Issued at 2200Z on 15 Apr 2023
#Spaceweather
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“Firelight Flickering on the Ceiling of the World”: The Aurora Borealis in Art
#spaceweather
#aurora
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X-ray Event exceeded X1
Begin 0859 UTC
Max 0906 UTC
End 0910 UTC
X-ray Class: X1.0
Optical Class: 2b
Location: S14E68
NOAA Scale: R3 -Strong
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 98 Issued at 2200Z on 08 Apr 2023
#SpaceWeather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 359 Issued at 2200Z on 25 Dec 2022
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 102 Issued at 2200Z on 12 Apr 2023
#Spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 97 Issued at 2200Z on 07 Apr 2023
#Spaceweather
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Superflares On Solar-type Stars From The First Year Observation Of TESS
#spaceweather
#astrobiology
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NASA’s
#ParkerSolarProbe
has now become the first spacecraft ever to fly through a powerful solar explosion near the Sun.
@NASASun
@NASASolarSystem
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 160 Issued at 2200Z on 09 Jun 2023
#SpaceWeather
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Space Weather Message Code: WARK07
Serial Number: 94
Issue Aug 05 0520 UTC
WARNING: Geomagnetic K-index of 7 or greater expected
Valid Aug 05 0520 UTC
Valid To: Aug 05 1200 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater - Strong to Extreme
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 53 Issued at 2200Z on 22 Feb 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 99 Issued at 2200Z on 09 Apr 2023
#SpaceWeather
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Secrets of Sunspots and Solar Magnetic Fields Investigated in NASA Supercomputing Simulations
#spaceweather
#heliophysics
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 6 Issued at 2200Z on 06 Jan 2023
#spaceweather
#solarflare
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 94 Issued at 2200Z on 04 Apr 2023
#SpaceWeather
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Rheumatoid Arthritis and Giant Cell Arteritis Correlated with Solar Cycles
http://t.co/IVj80DCIPo
#spaceweather
http://t.co/kp8mRS2jux
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 4 Issued at 2200Z on 04 Jan 2023
#SpaceWeather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 155 Issued at 2200Z on 04 Jun 2023
#SpaceWeather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 145 Issued at 2200Z on 25 May 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 21 Issued at 2200Z on 21 Jan 2023
#spaceweather
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 322 Issued at 2200Z on 18 Nov 2022
#spaceweather
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Space Weather Message Code: SUMX01
Serial Number: 122
Issue 1917 UTC
SUMMARY: X-ray Event exceeded X1
Begin 1837 UTC
Max 1850 UTC
End 1857 UTC
X-ray Class: X1.9
Optical Class: 2b
Location: S14E70
NOAA Scale: R3 - Strong
#spaceweather
#AAS241
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