JOINT USAF/NOAA REPORT OF SOLAR AND GEOPHYSICAL ACTIVITY
SDF NUMBER 230 ISSUED AT 2200Z ON 18 AUG 1997
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  17/2100Z
TO 18/2100Z:  SOLAR ACTIVITY WAS VERY LOW.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 17/2100Z TO 18/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. THE GREATER THAN 2 MEV
ELECTRON FLUX WAS MODERATE TO HIGH.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET.
III.  EVENT PROBABILITIES 19 AUG-21 AUG
CLASS M    01/01/01
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           18 AUG 076
PREDICTED   19 AUG-21 AUG  074/074/072
90 DAY MEAN        18 AUG 073
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 17 AUG  010/009
ESTIMATED AFR/AP 18 AUG  007/006
PREDICTED AFR/AP 19 AUG-21 AUG  005/005-005/010-005/005
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 19 AUG-21 AUG
A.  MIDDLE LATITUDES
ACTIVE                15/15/15
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                15/15/15
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01

JOINT USAF/NOAA SOLAR REGION SUMMARY
SRS NUMBER 231 ISSUED AT 0030Z ON 19 AUG 1997
REPORT COMPILED FROM DATA RECEIVED AT SWO ON 18 AUG
I.  REGIONS WITH SUNSPOTS.  LOCATIONS VALID AT 18/2400Z
NMBR LOCATION  LO  AREA  Z   LL   NN MAG TYPE
8073 N14W17   280  0060 HSX  02   01 ALPHA
IA. H-ALPHA PLAGES WITHOUT SPOTS.  LOCATIONS VALID AT 18/2400Z AUG
NMBR  LOCATION  LO
8071  N26W75   338
8074  N27W15   278
8075  N29E05   258
II. REGIONS DUE TO RETURN 19 AUG TO 21 AUG
NMBR LAT    LO
NONE

JOINT USAF/NOAA SOLAR AND GEOPHYSICAL ACTIVITY SUMMARY
SGAS NUMBER 231 ISSUED AT 0245Z ON 19 AUG 1997
THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 18 AUG
A.  ENERGETIC EVENTS
BEGIN  MAX  END  RGN   LOC   XRAY  OP 245MHZ 10CM   SWEEP
 2103 2103 2103                       110
B.  PROTON EVENTS:  NONE
C.  GEOMAGNETIC ACTIVITY SUMMARY:  THE GEOMAGNETIC FIELD WAS QUIET TO
UNSETTLED.
D.  STRATWARM:  NONE
E.  DAILY INDICES:
10 CM 076  SSN 011  AFR/AP 007/006   X-RAY BACKGROUND A2.7
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 3.2E+05   GT 10 MEV 1.8E+04 P/(CM2-STER-DAY)
GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 2.70E+07 E/(CM2-STER-DAY)
GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES)
3 HOUR K-INDICES:
BOULDER 2 2 2 2 2 3 2 1 PLANETARY 1 1 2 2 2 3 2 2 
F.  COMMENTS:  NONE
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