Viewing archive of Friday, 29 June 2007

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 2007 Jun 29 2203 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 180 Issued at 2200Z on 29 Jun 2007

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

Solar activity was low. Region 962 (S10E55) produced a C1 flare at 29/2013Z. Region 961 (S13E23) remains relatively unchanged since yesterday.
IB. Solar Activity Forecast
Solar activity is expected to be very low to low. There is a chance for C-class activity from either Region 961 or 962.
IIA. Geophysical Activity Summary 28-2100Z to 29-2100Z
The geomagnetic field ranged from quiet to unsettled. Solar wind speed increased to approximately 500 km/s as a recurrent coronal hole rotated into a geoeffective position.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be quiet to unsettled for the next three days (30 June - 02 July). Isolated active periods are possible on 30 June and 01 July due to the coronal hole high speed stream.
III. Event Probabilities 30 Jun to 02 Jul
Class M05%05%05%
Class X01%01%01%
Proton01%01%01%
PCAFGreen
IV. Penticton 10.7 cm Flux
  Observed       29 Jun 075
  Predicted   30 Jun-02 Jul  075/075/075
  90 Day Mean        29 Jun 074
V. Geomagnetic A Indices
  Observed Afr/Ap 28 Jun  005/006
  Estimated     Afr/Ap 29 Jun  006/010
  Predicted    Afr/Ap 30 Jun-02 Jul  008/010-006/008-005/005
VI. Geomagnetic Activity Probabilities 30 Jun to 02 Jul
A. Middle Latitudes
Active25%15%15%
Minor storm10%05%05%
Major-severe storm01%01%01%
B. High Latitudes
Active35%30%20%
Minor storm20%15%05%
Major-severe storm05%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 Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!

No Ads on SWL Pro!
No Ads on SWL Pro! Subscriptions
Donations
Support SpaceWeatherLive.com! Donate
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/03M1.3
Last geomagnetic storm2026/04/02Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026141 +55.1
Last 30 days95.4 +31.2

This day in history*

Solar flares
12002M8.82
21999M6.76
32001M2.91
42003M2.74
52001M2.31
DstG
11979-202G3
21988-133G3
31984-120G4
42004-117G2
51994-111G3
*since 1994

Aurora on this day in history

No observations submitted for this day in history. If you've observed the aurora and you have some amazing photos to show off, submit your observations now!
Submit your aurora observation

Social networks