Viewing archive of Wednesday, 19 December 2001

Geophysical report

Solar and Geophysical Activity Summary 2001 Dec 19 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 353 Issued at 0245Z on 19 Dec 2001 This report is compiled from data received at SWO on 18 Dec
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
1959 2003 2007  9742 N10E37 C3.7  Sf 250
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was at quiet to unsettled conditions.
D. Stratwarm
STRATWARM ALERT EXISTS STRATWARM TUESDAY IN THE MIDDLE AND UPPER STRATOSPHERE A STRONG TEMPERATURE INCREASING DURING ONE WEEK IS OBSERVED OVER SIBERIA/ NORTH EASTERN ASIA AND A REVERSED TEMPERATURE GRADIENT BETWEEN 60N AND THE NORTH POLE IS EXPECTED WITHIN THE NEXT 5 DAYS. STRATOSPHERIC WARMING IN THE UPPER STRATOSPHERE IN PROGRESS.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 212  SSN 210  Afr/Ap 008/008   X-ray Background C1.0
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 6.8e+05   GT 10 MeV 1.5e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.20e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 3 1 2 3 2 3 2 2 Planetary 3 1 2 3 3 2 2 2
F. Comments
  None

<< 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%

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/02Kp5 (G1)
Number of spotless days in 2019:188
Current stretch spotless days:18

This day in history*

Solar flares
12015M2.1
22002M1.8
31998M1.8
42015M1.5
52002M1.5
ApG
1201544G3
2199634G2
3200327G1
4201618
5200412G1
*since 1994

Social networks