Viewing archive of Tuesday, 1 January 2002

Geophysical report

Solar and Geophysical Activity Summary 2002 Jan 01 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 001 Issued at 0245Z on 01 Jan 2002 This report is compiled from data received at SWO on 31 Dec
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
1632 1633 1633                       100
1655 1655 1655                       110
B. Proton Events
The greater than 10 MeV proton event that began on 30/0245 UTC remains in progress and reached a maximum of 108 pfu at 31/1620 UTC.
C. Geomagnetic Activity Summary
The geomagnetic field was at quiet to unsettled levels. An isolated active condition existed at planetary, at 31/2400 UTC.
D. Stratwarm
STRATWARM ALERT EXISTS STRATWARM MONDAY WARM AIR COVERS MOST OF THE POLAR REGION IN THE UPPER AND MIDDLE STRATOSPHERE. THE TEMPERATURE GRADIENT ARE REVERSED DOWN TO 30 HPA, ANDTHERE ARE MEAN ZONAL EASTERLY WINDS AT 10HPA AND ABOVE AT 60N. MAJOR WARMING CRITERIA FULFILLED.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 246  SSN 209  Afr/Ap 013/011   X-ray Background C2.7
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 5.5e+07   GT 10 MeV 5.9e+06 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.00e+07 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 4 3 1 2 2 3 3 3 Planetary 3 3 2 2 2 3 3 4
F. Comments
  Afr based on Boulder magnetometer.

<< 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!

100%

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:268
Current stretch spotless days:41

This day in history*

Solar flares
12001X6.2
22006X3.4
32001M1.8
42014M1.5
52001M1.4
ApG
1200326G1
2199926G2
3199417
4200410
520109
*since 1994

Social networks