Viewing archive of Saturday, 14 June 2014
Solar activity report
Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Report of Solar-Geophysical Activity 2014 Jun 14 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 165 Issued at 2200Z on 14 Jun 2014IA. Analysis of Solar Active Regions and Activity from 13-2100Z to 14-2100Z
Solar activity has been at moderate levels for the past 24
hours. The largest solar event of the period was a M1 event observed at
14/1929Z from the east limb. There was a Type II radio sweep (est 396
km/s) with the flare and a CME was later observed on emerging from the
east limb. There are currently 9 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is likely to be moderate
with a chance for X-class flares on days one and two (15 Jun, 16 Jun)
and expected to be low with a chance for M-class flares and a slight
chance for an X-class flare on day three (17 Jun).
IIA. Geophysical Activity Summary 13-2100Z to 14-2100Z
The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed, as measured by the ACE spacecraft, reached a peak speed of
425 km/s at 14/1344Z. Total IMF reached 7 nT at 14/0000Z. The maximum
southward component of Bz reached -6 nT at 14/0016Z. Electrons greater
than 2 MeV at geosynchronous orbit reached a peak level of 113 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to active levels on days one and two (15 Jun, 16 Jun) and
quiet to unsettled levels on day three (17 Jun). Protons have a chance
of crossing threshold on day one (15 Jun), have a chance of crossing
threshold on day two (16 Jun) and have a slight chance of crossing
threshold on day three (17 Jun).
III. Event Probabilities 15 Jun to 17 Jun
| Class M | 60% | 55% | 45% |
| Class X | 30% | 25% | 20% |
| Proton | 30% | 25% | 20% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 14 Jun 144 Predicted 15 Jun-17 Jun 135/135/135 90 Day Mean 14 Jun 139
V. Geomagnetic A Indices
Observed Afr/Ap 13 Jun 006/005 Estimated Afr/Ap 14 Jun 008/010 Predicted Afr/Ap 15 Jun-17 Jun 009/011-009/010-005/005
VI. Geomagnetic Activity Probabilities 15 Jun to 17 Jun
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 25% | 05% |
| Minor storm | 05% | 05% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 20% | 15% |
| Minor storm | 20% | 30% | 10% |
| Major-severe storm | 10% | 30% | 05% |
All times in UTC
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
ReykjavikCurrent data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
TórshavnOulu, Rovaniemi, Kuopio, Sodankylä, Utsjoki
Kirkenes, Tromsø, Trondheim
Arkhangelsk, Murmansk, Vorkuta
Kiruna, Luleå, Sundsvall, Umeå
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