SpaceWeatherLive .com
Real-time auroral and solar activity

Viewing archive of Thursday, 30 August 2001

Solar activity report

Previous rotation Previous day Calendar
Next day Next rotation
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 2001 Aug 30 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 242 Issued at 2200Z on 30 Aug 2001

IA. Analysis of Solar Active Regions and Activity from 29-2100Z to 30-2100Z

Solar activity was moderate. Region 9591 (S20W33) produced an M1/2n flare at 30/1757 UTC. This region retains a complex beta-gamma-delta magnetic classification and is showing imminent signs of producing a possible major flare. Former Region 9600 merged with Region 9601 to produce a beta-gamma-delta group located at (N14E69). This region produced a M3/Sf with an accompanying Type II radio sweep (1500 km/s) at 30/2038 UTC.
IB. Solar Activity Forecast
Solar activity is expected to be high. Regions 9591 and 9601 are both capable of producing major flares during the forecast period.
IIA. Geophysical Activity Summary 29-2100Z to 30-2100Z
The geomagnetic field was at quiet to active conditions. A small solar wind shock was recorded by the ACE spacecraft at approximately 1330 UTC. This corresponding shock arrival at earth produced a sudden impulse at the Boulder USGS magnetometer at 30/1413 UTC. This minor shock produced isolated active conditions at mid and high latitudes. The greater than 2 MeV electron flux at geosynchronous orbit reached moderate levels during the period.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be quiet to unsettled on the first day of the forecast period with active conditions expected on the second and third day due to recurrent coronal hole effects.
III. Event Probabilities 31 Aug to 02 Sep
Class M80%80%80%
Class X25%25%25%
Proton25%25%25%
PCAFyellow
IV. Penticton 10.7 cm Flux
  Observed       30 Aug 199
  Predicted   31 Aug-02 Sep  205/210/210
  90 Day Mean        30 Aug 156
V. Geomagnetic A Indices
  Observed Afr/Ap 29 Aug  005/009
  Estimated     Afr/Ap 30 Aug  010/013
  Predicted    Afr/Ap 31 Aug-02 Sep  010/010-015/015-015/020
VI. Geomagnetic Activity Probabilities 31 Aug to 02 Sep
A. Middle Latitudes
Active20%25%25%
Minor storm05%10%10%
Major-severe storm01%01%01%
B. High Latitudes
Active25%30%30%
Minor storm10%15%15%
Major-severe storm01%01%01%

All times in UTC

Previous rotation Previous day Calendar
Next day Next rotation

<< Go to daily overview page

Back to top

Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future

Vorkuta

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Kuopio
Arkhangelsk, Norilsk

Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future

Tampere
Petrozavodsk, Syktyvkar
The strength of the interplanetary magnetic field is moderate (11.05nT), the direction is slightly South (-3nT).
The Disturbance Storm Time index predicts moderate storm conditions right now (-75nT)

Latest news

Latest forum messages

AR4046 161AR14028 2025/03/21 CME 2025/03/23 G3 Watch 350Unspecified geomagnetic activity 2190Unexplained proton activity 55Similar AR 3664 vs AR 4048 ??? 11
More topics

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!

Donate SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

13:03 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 50GW at 13:56 UTC

Wednesday, 2 April 2025
04:03 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 50GW at 04:56 UTC

01:45 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 01:32 UTC

alert

Tuesday, 1 April 2025
22:51 UTC - Solar flare

Moderate M2.5 flare

alert

22:30 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.45)

Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.5
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
April 2025152.5 -2.1
Last 30 days130.7 -17.9

This day in history*

Solar flares
12001X1.77
22017M8.35
31999M6.2
42001M3.57
52017M1.81
DstG
11979-168G4
21960-151G3
31992-105G2
42004-104G2
51994-103G3
*since 1994

Social networks