Viewing archive of Sunday, 2 December 2018

Solar activity report

Report of Solar-Geophysical Activity 2018 Dec 02 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 336 Issued at 2200Z on 02 Dec 2018

IA. Analysis of Solar Active Regions and Activity from 01-2100Z to 02-2100Z

Solar activity has been at very low levels for the past 24 hours. There are currently 0 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low on days one, two, and three (03 Dec, 04 Dec, 05 Dec).
IIA. Geophysical Activity Summary 01-2100Z to 02-2100Z
The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 472 km/s at 02/1907Z. Total IMF reached 8 nT at 02/1116Z. The maximum southward component of Bz reached -6 nT at 02/1116Z.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to active levels on days one, two, and three (03 Dec, 04 Dec, 05 Dec).
III. Event Probabilities 03 Dec to 05 Dec
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       02 Dec 069
  Predicted   03 Dec-05 Dec 068/068/068
  90 Day Mean        02 Dec 069

V. Geomagnetic A Indices
  Observed Afr/Ap 01 Dec  004/006
  Estimated     Afr/Ap 02 Dec  012/016
  Predicted    Afr/Ap 03 Dec-05 Dec  011/012-008/010-011/012

VI. Geomagnetic Activity Probabilities 03 Dec to 05 Dec
A. Middle Latitudes
Active25%25%30%
Minor storm10%10%10%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%15%
Minor storm25%25%30%
Major-severe storm40%40%35%

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

100%

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:240
Current stretch spotless days:13

This day in history*

Solar flares
12014M3.7
22014M3.2
31999M2.9
42002M2.4
52011M1.9
ApG
1200340G2
2201416
3199615
4200212
5201711
*since 1994

Social networks