Geophysical report

Viewing archive of Thursday, 23 March 2000

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.

Solar and Geophysical Activity Summary 2000 Mar 23 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 083 Issued at 0245Z on 23 MAR 2000 This report is compiled from data received at SWO on 22 MAR

A. Energetic Events

Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0107 0118 0129  8910 N16W48 M1.9  1N        73
1404 1404 1405                       390
1722 1722 1724                       150
1834 1848 1856  8910 N14W57 X1.1  2N 85     500    II/IV
2329 2330 2330                       150

B. Proton Events

None

C. Geomagnetic Activity Summary

THE GEOMAGNETIC FIELD WAS QUIET TO ACTIVE.

D. Stratwarm

STRATWARM ALERT/WEDNESDAY/STRATWARM EXISTS. MINOR WARMING OVER EUROPE/SIBERIA AND THE WHOLE ARCTIC AT 10 HPA CONTINUES. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE IN THE WHOLE STRATOSPHERE ABOVE 50 HPA. MEAN ZONAL WIND AT 60N CONTINUOUSLY DECREASING AND IS FROM EAST AT 1 HPA.

E. Daily Indices: (real-time preliminary/estimated values)

10 CM 234  SSN 212  AFR/AP 010/011   X-RAY BACKGROUND C1.8
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 8.5E+05   GT 10 MEV 2.2E+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 1 3 2 2 2 4 2 2 PLANETARY 2 2 2 3 3 3 3 3

F. Comments

  None

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G2 - Moderate geomagnetic storm

Observed Kp: 6
Threshold reached: 22:29 UTC

Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future

Oulu, Rovaniemi, Sodankylä
Luleå

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Tórshavn
Kuopio
Bergen, Trondheim
Arkhangelsk
Sundsvall, Umeå

Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future

Tampere

The solar wind speed is currently moderately high (599.7 km/sec.)

The strength of the interplanetary magnetic field is high (21.48nT), the direction is slightly South (-1.91nT).

The Disturbance Storm Time index predicts moderate storm conditions right now (-57nT)

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