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
/
19881231RSGA.txt
< prev
Wrap
Text File
|
2009-06-10
|
1KB
|
32 lines
FROM SPACE ENVIRONMENT SERVICES CENTER, BOULDER, COLORADO
SDF NUMBER 366
JOINT USAF/NOAA REPORT OF SOLAR AND GEOPHYSICAL ACTIVITY.
ISSUED 2200Z 31 DEC 1988
IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 30/2100Z
TO 31/2100Z: SOLAR ACTIVITY WAS LOW. THE OVERALL FLUX BACKGROUND
CONTINUED TO DROP FOR BOTH X-RAY AND CENTIMETRIC THRESHOLDS.
IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE
LOW. REGION 5292 (S18W50) CONTINUES TO PROVIDE A VERY SLIGHT
CHANCE OF BOTH HIGH ACTIVITY AND A PROTON PRODUCING FLARE.
IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 30/2100Z TO 31/2100Z:
THE GEOMAGNETIC FIELD WAS UNSETTLED.
IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS
EXPECTED TO BE AT ACTIVE LEVELS THE LAST HALF OF THE FIRST DAY
AND THE SECOND DAY DUE TO AN EXPECTED RESPONSE TO THE X1/3B
FLARE LATE ON 30 DEC 88. THE INITIAL FIRST HALF-DAY AND THE
LAST DAY OF THE PERIOD ARE EXPECTED TO BE UNSETTLED.
III. EVENT PROBABILITIES 01 JAN-03 JAN
CLASS M 45/40/35
CLASS X 07/06/05
PROTON 07/06/05
PCAF GREEN
IV. OTTAWA 10.7 CM FLUX
OBSERVED 31 DEC 182
PREDICTED 01 JAN-03 JAN 170/160/155
90 DAY MEAN 31 DEC 176
V. GEOMAGNETIC A INDICES
OBSERVED AFR/AP 30 DEC 011/012
ESTIMATED AFR/AP 31 DEC 010/011
PREDICTED AFR/AP 01 JAN-03 JAN 011/016-019/018-012/015