Viewing archive of Sunday, 1 March 1998

Solar activity report

Report of Solar-Geophysical Activity 1998 Mar 01 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 060 Issued at 2200Z on 01 MAR 1998

IA. Analysis of Solar Active Regions and Activity from 28-2100Z to 01-2100Z

SOLAR ACTIVITY WAS LOW. REGION 8169 (S21W72) PRODUCED TWO C-CLASS SUBFLARES AROUND MID PERIOD. OTHERWISE, OCCASIONAL B-CLASS X-RAY BURSTS OCCURRED. REGION 8171 (S23W23) DISPLAYED GRADUAL GROWTH THROUGH THE PERIOD. REGIONS 8172 (N22E05) AND 8173 (S17E71) WERE NUMBERED.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE LOW. REGIONS 8169 AND 8171 ARE CAPABLE OF C-CLASS FLARE PRODUCTION. IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 28/2100Z TO 01/2100Z: THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS EXPECTED TO BE QUIET TO UNSETTLED. ACTIVE LEVELS ARE POSSIBLE ON THE FINAL DAY OF THE FORECAST PERIOD.
III. Event Probabilities 02 MAR to 04 MAR
Class M 05%05%05%
Class X 01%01%01%
Proton01%01%01%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observed       01 MAR 098
  Predicted    02 MAR-04 MAR  100/098/096
  90 Day Mean        01 MAR 095
V. Geomagnetic A Indices
OBSERVED AFR/AP 28 FEB  012/012
ESTIMATED AFR/AP 01 MAR  008/009
PREDICTED AFR/AP 02 MAR-04 MAR  005/005-005/005-010/010
VI. Geomagnetic Activity Probabilities 02 MAR to 04 MAR
A. Middle Latitudes
Active10%10%20%
Minor storm 01%01%05%
Major-severe storm 01%01%01%
B. High Latitudes
Active15%15%30%
Minor storm 05%05%10%
Major-severe storm 01%01%01%

<< 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 2019:185
Current stretch spotless days:15

This day in history*

Solar flares
12005M9.8
22001M8.1
31999M2.1
41997M1.7
52001M1.5
ApG
1200370G3
2200056G4
3201132G1
4200421G1
5199916
*since 1994

Social networks