Viewing archive of Monday, 24 November 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 Nov 24 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 328 Issued at 2200Z on 24 Nov 2014IA. Analysis of Solar Active Regions and Activity from 23-2100Z to 24-2100Z
Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C1 event observed at
24/0137Z from Region 2216 (S14E13). There are currently 6 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with
a chance for M-class flares and a slight chance for an X-class flare on
days one, two, and three (25 Nov, 26 Nov, 27 Nov).
IIA. Geophysical Activity Summary 23-2100Z to 24-2100Z
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
460 km/s at 24/0529Z. Total IMF reached 7 nT at 23/2144Z. The maximum
southward component of Bz reached -5 nT at 24/1147Z. Electrons greater
than 2 MeV at geosynchronous orbit reached a peak level of 887 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (25 Nov, 26 Nov, 27
Nov). Protons greater than 10 Mev have a slight chance of crossing
threshold on days one and two (25 Nov, 26 Nov).
III. Event Probabilities 25 Nov to 27 Nov
| Class M | 40% | 40% | 40% |
| Class X | 10% | 10% | 10% |
| Proton | 10% | 10% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 24 Nov 170 Predicted 25 Nov-27 Nov 155/145/145 90 Day Mean 24 Nov 148
V. Geomagnetic A Indices
Observed Afr/Ap 23 Nov 009/007 Estimated Afr/Ap 24 Nov 008/009 Predicted Afr/Ap 25 Nov-27 Nov 005/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 25 Nov to 27 Nov
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 05% | 05% | 05% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 15% | 15% | 15% |
| Major-severe storm | 10% | 10% | 10% |
All times in UTC
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