Viewing archive of Saturday, 24 March 2018

Solar activity report

Report of Solar-Geophysical Activity 2018 Mar 24 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 83 Issued at 2200Z on 24 Mar 2018

IA. Analysis of Solar Active Regions and Activity from 23-2100Z to 24-2100Z

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 (25 Mar, 26 Mar, 27 Mar).
IIA. Geophysical Activity Summary 23-2100Z to 24-2100Z
The geomagnetic field has been at quiet to active levels for the past 24 hours. Solar wind speed reached a peak of 502 km/s at 23/2323Z. Total IMF reached 9 nT at 24/1151Z. The maximum southward component of Bz reached -7 nT at 24/2024Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 1624 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at unsettled to minor storm levels on day one (25 Mar), quiet to active levels on day two (26 Mar) and quiet to unsettled levels on day three (27 Mar).
III. Event Probabilities 25 Mar to 27 Mar
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       24 Mar 068
  Predicted   25 Mar-27 Mar 068/068/068
  90 Day Mean        24 Mar 070

V. Geomagnetic A Indices
  Observed Afr/Ap 23 Mar  015/013
  Estimated     Afr/Ap 24 Mar  010/011
  Predicted    Afr/Ap 25 Mar-27 Mar  020/025-013/018-009/008

VI. Geomagnetic Activity Probabilities 25 Mar to 27 Mar
A. Middle Latitudes
Active35%35%15%
Minor storm25%15%05%
Major-severe storm05%05%01%
B. High Latitudes
Active10%15%20%
Minor storm25%30%25%
Major-severe storm55%45%20%

<< 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 2019:246
Current stretch spotless days:20

This day in history*

Solar flares
11998X3.7
21998X2.5
32001M9.9
42001M3.8
51998M1.8
ApG
1199744G2
2200330G2
3200226G1
4201612
5200712
*since 1994

Social networks