Viewing archive of Saturday, 29 April 2006

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 2006 Apr 30 0028 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 119 Issued at 2200Z on 29 Apr 2006

IA. Analysis of Solar Active Regions and Activity from 28-2100Z to 29-2100Z

Solar activity was low. An active region on the east limb (N16E90) produced three C-class flares, including two C2 flares at 28/2336Z and 29/1631Z. An associated CME was observed in LASCO imagery off the east limb with a speed of approximately 414 Km/s. A 6-degree disappearing solar filament (S29W21) was reported by the Holloman solar observatory.
IB. Solar Activity Forecast
Solar activity is expected to be low. M-class flare activity remains possible.
IIA. Geophysical Activity Summary 28-2100Z to 29-2100Z
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to remain quiet for the next two days (30 April - 1 May). Predominantly unsettled conditions are expected on 2 May.
III. Event Probabilities 30 Apr to 02 May
Class M35%35%35%
Class X05%05%05%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       29 Apr 101
  Predicted   30 Apr-02 May  100/105/105
  90 Day Mean        29 Apr 081
V. Geomagnetic A Indices
  Observed Afr/Ap 28 Apr  010/012
  Estimated     Afr/Ap 29 Apr  002/003
  Predicted    Afr/Ap 30 Apr-02 May  005/007-005/007-012/015
VI. Geomagnetic Activity Probabilities 30 Apr to 02 May
A. Middle Latitudes
Active10%10%20%
Minor storm05%05%10%
Major-severe storm01%01%05%
B. High Latitudes
Active15%15%20%
Minor storm05%05%15%
Major-severe storm01%01%05%

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-flare2024/12/08X2.2
Last M-flare2024/12/23M8.9
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 2024152.5 -13.9
December 2024106.6 -45.9
Last 30 days114.4 -44.3

This day in history*

Solar flares
12024M8.9
22015M6.75
31998M3.34
42013M2.36
52013M1.97
DstG
12002-67
22000-62G2
31989-60
42014-57
51982-53G1
*since 1994

Social networks