Viewing archive of Tuesday, 19 July 2022

Solar activity report

Report of Solar-Geophysical Activity 2022 Jul 19 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 200 Issued at 2200Z on 19 Jul 2022

IA. Analysis of Solar Active Regions and Activity from 18-2100Z to 19-2100Z

Solar activity has been at low levels for the past 24 hours. The largest solar event of the period was a C3 event observed at 18/2354Z from Region 3058 (N14E16). There are currently 7 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (20 Jul, 21 Jul, 22 Jul).
IIA. Geophysical Activity Summary 18-2100Z to 19-2100Z
The geomagnetic field has been at unsettled to minor storm levels for the past 24 hours. Solar wind speed reached a peak of 526 km/s at 19/1204Z. Total IMF reached 16 nT at 19/0023Z. The maximum southward component of Bz reached -11 nT at 19/0727Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 305 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at unsettled to active levels on day one (20 Jul), quiet to minor storm levels on day two (21 Jul) and unsettled to minor storm levels on day three (22 Jul).
III. Event Probabilities 20 Jul to 22 Jul
Class M25%25%25%
Class X05%05%05%
Proton05%05%05%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       19 Jul 144
  Predicted   20 Jul-22 Jul 145/145/145
  90 Day Mean        19 Jul 131

V. Geomagnetic A Indices
  Observed Afr/Ap 18 Jul  010/010
  Estimated     Afr/Ap 19 Jul  017/023
  Predicted    Afr/Ap 20 Jul-22 Jul  013/018-017/022-017/022

VI. Geomagnetic Activity Probabilities 20 Jul to 22 Jul
A. Middle Latitudes
Active35%45%45%
Minor storm15%25%25%
Major-severe storm01%05%05%
B. High Latitudes
Active15%10%10%
Minor storm30%25%25%
Major-severe storm50%70%70%

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-flare2024/12/22M1.1
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 days116.1 -41.8

This day in history*

Solar flares
12015M6.75
21998M3.34
32013M2.36
42013M1.97
52001M1.69
DstG
12002-67
22000-62G2
31989-60
42014-57
51982-53G1
*since 1994

Social networks