Geophysical report

Viewing archive of Monday, 27 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 27 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 087 Issued at 0245Z on 27 MAR 2000 This report is compiled from data received at SWO on 26 MAR

A. Energetic Events

Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0259 0300 0300                       500
0313 0313 0313                       130
0647 0648 0648                       180
1727 1734 1739  8926 S12W55 M2.3  SF

B. Proton Events

None

C. Geomagnetic Activity Summary

QUIET TO ACTIVE.

D. Stratwarm

STRATWARM ALERT EXISTS STRATWARM SUNDAY MINOR WARMING OVER EUROPE/SIBERIA AND THE WHOLE ARCTIC AT 10 HPA CONTINUES, WEAKENING. TEMPERATURE GRADIENT REVERSED BETWEEN THE POLE AND 60N AT 10 HPA AND ABOVE. MEAN ZONAL WIND AT 60N IN THE WHOLE STRATOSPHERE WEAK WESTERLY, INCREASING.

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

10 CM 211  SSN 255  AFR/AP 003/005   X-RAY BACKGROUND C1.4
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 3.6E+05   GT 10 MEV 1.2E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 7.00E+06 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 1 1 1 1 1 4 2 2 PLANETARY 1 0 2 2 2 3 2 1

F. Comments

  None

All times in UTC

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G2 - Moderate geomagnetic storm

Observed Kp: 6
Threshold reached: 22:29 UTC

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

Tórshavn
Reykjavik
Trondheim

The solar wind speed is currently moderately high (589.7 km/sec.)

The strength of the interplanetary magnetic field is high (23.86nT), the direction is North (13.66nT).

The Disturbance Storm Time index predicts moderate storm conditions right now (-59nT)

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