home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
ftp.sec.noaa.gov
/
2014.05.ftp.sec.noaa.gov.tar
/
ftp.sec.noaa.gov
/
pub
/
warehouse
/
1988_RSGA.tar.gz
/
1988_RSGA.tar
/
1988_RSGA
/
19881128RSGA.txt
< prev
next >
Wrap
Text File
|
2009-06-10
|
1KB
|
35 lines
FROM SPACE ENVIRONMENT SERVICES CENTER, BOULDER, COLORADO
SDF NUMBER 333
JOINT USAF/NOAA REPORT OF SOLAR AND GEOPHYSICAL ACTIVITY.
ISSUED 2200Z 28 NOV 1988
IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 27/2100Z
TO 28/2100Z: SOLAR ACTIVITY WAS HIGH. REGION 5254 (S18E28)
PRODUCED AN M6/1B FLARE AT 27/2236Z. THIS EVENT WAS ACCOMPANIED
BY MINOR RADIO EMISSIONS. THE REGION PRODUCED SPORADIC C-CLASS
SUBFLARES DURING THE REMAINDER OF THE PERIOD. NO NEW REGIONS
WERE ASSIGNED TODAY.
IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE
LOW TO MODERATE. ISOLATED M-CLASS ACTIVITY IS POSSIBLE FROM
REGION 5254.
IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 27/2100Z TO 28/2100Z:
THE GEOMAGNETIC FIELD HAS BEEN AT QUIET TO UNSETTLED
LEVELS FOR THE PAST 24 HOURS. A BRIEF INTERVAL OF ACTIVE
LEVELS OCCURRED NEAR MIDDAY AT HIGH LATITUDES.
IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS
EXPECTED TO BE UNSETTLED THROUGHOUT THE PERIOD.
III. EVENT PROBABILITIES 29 NOV-01 DEC
CLASS M 30/30/30
CLASS X 10/10/10
PROTON 10/10/10
PCAF GREEN
IV. OTTAWA 10.7 CM FLUX
OBSERVED 28 NOV 142
PREDICTED 29 NOV-01 DEC 144/146/148
90 DAY MEAN 28 NOV 161
V. GEOMAGNETIC A INDICES
OBSERVED AFR/AP 27 NOV 012/011
ESTIMATED AFR/AP 28 NOV 009/011
PREDICTED AFR/AP 29 NOV-01 DEC 015/015-015/015-012/010