Viewing archive of Wednesday, 3 May 2000
Solar activity report
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.
Report of Solar-Geophysical Activity 2000 May 03 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 124 Issued at 2200Z on 03 MAY 2000IA. Analysis of Solar Active Regions and Activity from 02-2100Z to 03-2100Z SOLAR ACTIVITY WAS LOW. ONE OPTICALLY UNCORRELATED
MINOR C-CLASS X-RAY EVENT OCCURRED AT 03/0043Z. SOME MODERATE
GROWTH WAS OBSERVED IN REGION 8981 (S22E03) AS THE REGION GREW FROM
5 TO 10 SPOTS SINCE YESTERDAY. AN ERUPTIVE PROMINENCE OCCURRED ON
THE SOUTHWEST LIMB FROM REGION 8970 (S14W92) AT APPROXIMATELY
03/0030Z. NEW REGION 8982 (S20E19) WAS NUMBERED TODAY.
IB. Solar Activity Forecast
SOLAR ACTIVITY IS EXPECTED TO BE LOW
WITH A SLIGHT CHANCE OF AN M-CLASS EVENT FROM REGION 8970 OR 8971
(N18W85) AS EACH REGION PASSES OVER THE WEST LIMB.
IIA. Geophysical Activity Summary 02-2100Z to 03-2100Z
THE GEOMAGNETIC FIELD RANGED FROM QUIET TO MINOR STORM CONDITIONS.
MINOR STORM CONDITIONS WERE OBSERVED FOR ONE PERIOD FROM
03/1500-1800Z. THE GREATER THAN 2 MEV ELECTRON FLUX AT
GEOSYNCHRONOUS ORBIT REACHED HIGH LEVELS FOR A SHORT TIME DURING THE
PERIOD.
IIB. Geophysical Activity Forecast
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET TO UNSETTLED WITH ISOLATED PERIODS OF
ACTIVE CONDITIONS POSSIBLE.
III. Event Probabilities 04 MAY to 06 MAY
| Class M | 30% | 25% | 25% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 03 MAY 137 Predicted 04 MAY-06 MAY 135/130/130 90 Day Mean 03 MAY 189
V. Geomagnetic A Indices
OBSERVED AFR/AP 02 MAY 013/018 ESTIMATED AFR/AP 03 MAY 015/018 PREDICTED AFR/AP 04 MAY-06 MAY 010/012-010/010-015/015
VI. Geomagnetic Activity Probabilities 04 MAY to 06 MAY
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 25% | 30% |
| Minor storm | 05% | 05% | 10% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 35% | 35% | 40% |
| Minor storm | 10% | 10% | 15% |
| Major-severe storm | 01% | 01% | 01% |
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