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
/
19881029RSGA.txt
< prev
next >
Wrap
Text File
|
2009-06-10
|
2KB
|
41 lines
FROM SPACE ENVIRONMENT SERVICES CENTER, BOULDER, COLORADO
SDF NUMBER 303
JOINT USAF/NOAA REPORT OF SOLAR AND GEOPHYSICAL ACTIVITY.
ISSUED 2200Z 29 OCT 1988
IA. ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 28/2100Z
TO 29/2100Z: SOLAR ACTIVITY HAS BEEN MODERATE. REGION 5212
(S16E61) PRODUCED AN M1/SN FLARE AT 29/1442Z. THIS REGION IS
NOW COMPLETELY IN VIEW AND APPEARS TO BE A FAIRLY LARGE
ASYMMETRIC SUNSPOT WITH SEVERAL SATELLITE SPOTS. REGION
5210 (N29W04) HAS SLOWED IN ITS RATE OF GROWTH AND HAS ONLY
PRODUCED A FEW SUBFLARES SINCE YESTERDAY. REGION 5200
(N21W78) CONTINUES TO DECAY SLOWLY. NEW REGION 5213 (S27E71)
ROTATED AROUND THE EAST LIMB AS A SINGLE SMALL SUNSPOT WITH
PENUMBRA.
IB. SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE
LOW TO MODERATE. ISOLATED M-CLASS ACTIVITY IS POSSIBLE
FROM REGIONS 5212 OR 5200.
IIA. GEOPHYSICAL ACTIVITY SUMMARY FROM 28/2100Z TO 29/2100Z:
THE GEOMAGNETIC FIELD HAS BEEN AT QUIET TO UNSETTLED
LEVELS FOR THE PAST 24 HOURS.
IIB. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET TO UNSETTLED. ACTIVE CONDITIONS
ARE POSSIBLE AT HIGH LATITUDES THE SECOND TWO DAYS OF THE
FORECAST PERIOD DUE TO FILAMENT ACTIVITY.
III. EVENT PROBABILITIES 30 OCT-01 NOV
CLASS M 30/30/30
CLASS X 01/01/01
PROTON 01/01/01
PCAF GREEN
IV. OTTAWA 10.7 CM FLUX
OBSERVED 29 OCT 156
PREDICTED 30 OCT-01 NOV 150/140/135
90 DAY MEAN 29 OCT 159
V. GEOMAGNETIC A INDICES
OBSERVED AFR/AP 28 OCT 006/013
ESTIMATED AFR/AP 29 OCT 003/010
PREDICTED AFR/AP 30 OCT-01 NOV 007/014-010/018-010/020