Viewing archive of Wednesday, 30 July 2008

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 2008 Jul 30 2203 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 212 Issued at 2200Z on 30 Jul 2008

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

Solar activity was very low. The visible disk remains spotless. No flare activity occurred during the past 24 hours.
IB. Solar Activity Forecast
Solar activity is expected to be very low.
IIA. Geophysical Activity Summary 29-2100Z to 30-2100Z
The geomagnetic field was mostly quiet. A single period of unsettled conditions occurred from 0300-0600Z.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be quiet on day one (31 July), quiet to unsettled on day two (1 Aug) and returning to quiet on day three (2 Aug).
III. Event Probabilities 31 Jul to 02 Aug
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFGreen
IV. Penticton 10.7 cm Flux
  Observed       30 Jul 067
  Predicted   31 Jul-02 Aug  066/066/066
  90 Day Mean        30 Jul 067
V. Geomagnetic A Indices
  Observed Afr/Ap 29 Jul  002/003
  Estimated     Afr/Ap 30 Jul  005/005
  Predicted    Afr/Ap 31 Jul-02 Aug  005/005-007/008-005/005
VI. Geomagnetic Activity Probabilities 31 Jul to 02 Aug
A. Middle Latitudes
Active05%10%05%
Minor storm01%01%01%
Major-severe storm01%01%01%
B. High Latitudes
Active10%15%10%
Minor storm01%01%01%
Major-severe storm01%01%01%

All times in UTC

<< 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!

SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/25M1.9
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024145.5 -20.9
Last 30 days158.8 +11.1

This day in history*

Solar flares
12000X2.81
22001X1.68
32000X1.18
42024M9.3
52000M5.13
DstG
11982-192G3
21978-149G3
32001-145
41986-105G3
52023-99G2
*since 1994

Social networks