NOAA/USAF Report of Solar-Geophysical Activity 28 Mar 2000
:Product: Report of Solar-Geophysical Activity
:Issued: 2000 Mar 28 2200 UT
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
#Space Environment Center and the U.S. Air Force.
#
JOINT USAF/NOAA REPORT OF SOLAR AND GEOPHYSICAL ACTIVITY
SDF NUMBER 088 ISSUED AT 2200Z ON 28 MAR 2000
IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 27/2100Z
TO 28/2100Z: SOLAR ACTIVITY WAS MODERATE. REGION 8926 (S10W84)
PRODUCED AN M3/SF X-RAY EVENT AT 28/0137Z. SEVERAL OTHER MINOR
C-CLASS EVENTS OCCURRED FROM REGION 8926 AND 8924 (N10W01). WHILE
REGION 8926 NEARS THE WEST LIMB, REGIONS 8921 (S17W30), 8924, AND
8933 (N16E20) ALL DISPLAYED SLIGHT GROWTH DURING THE PERIOD. NO NEW
REGIONS WERE NUMBERED.
IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE WITH A CHANCE OF ISOLATED M-CLASS ACTIVITY.
IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 27/2100Z TO 28/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET.
IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED.
III. EVENT PROBABILITIES 29 MAR-31 MAR
CLASS M 35/30/30
CLASS X 10/05/05
PROTON 01/01/01
PCAF GREEN
IV. PENTICTON 10.7 CM FLUX
OBSERVED 28 MAR 201
PREDICTED 29 MAR-31 MAR 195/190/190
90 DAY MEAN 28 MAR 177
V. GEOMAGNETIC A INDICES
OBSERVED AFR/AP 27 MAR 003/005
ESTIMATED AFR/AP 28 MAR 005/005
PREDICTED AFR/AP 29 MAR-31 MAR 005/005-005/005-005/005
VI. GEOMAGNETIC ACTIVITY PROBABILITIES 29 MAR-31 MAR
A. MIDDLE LATITUDES
ACTIVE 25/20/20
MINOR STORM 05/05/05
MAJOR-SEVERE STORM 01/01/01
B. HIGH LATITUDES
ACTIVE 30/25/25
MINOR STORM 10/05/05
MAJOR-SEVERE STORM 01/01/01