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91-11-03.DLY
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1991-11-03
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/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
DAILY SUMMARY OF SOLAR GEOPHYSICAL ACTIVITY
03 NOVEMBER, 1991
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
(Based In-Part On SESC Observational Data)
SOLAR AND GEOPHYSICAL ACTIVITY INDICES FOR 03 NOVEMBER
------------------------------------------------------
!!BEGIN!! (1.0) S.T.D. Solar Geophysical Data Broadcast for DAY 307, 11/03/91
10.7 FLUX=186.1 90-AVG=198 SSN=188 BKI=2223 3333 BAI=012
BGND-XRAY=C1.3 FLU1=*.*E*** FLU10=8.6E+03 PKI=2124 4333 PAI=015
BOU-DEV=013,011,013,026,030,032,023,024 DEV-AVG=021 NT SWF=00:000
XRAY-MAX= C7.6 @ 0319UT XRAY-MIN= C1.1 @ 1611UT XRAY-AVG= C1.7
NEUTN-MAX= +004% @ 2355UT NEUTN-MIN= -001% @ 2250UT NEUTN-AVG= +0.7%
PCA-MAX= +0.1DB @ 2355UT PCA-MIN= -0.4DB @ 2205UT PCA-AVG= -0.1DB
BOUTF-MAX=55322NT @ 1401UT BOUTF-MIN=55284NT @ 1846UT BOUTF-AVG=55311NT
GOES7-MAX=P:+120NT@ 1954UT GOES7-MIN=N:-005NT@ 2332UT G7-AVG=+085,+049,+007
GOES6-MAX=P:+135NT@ 1954UT GOES6-MIN=E:-029NT@ 0434UT G6-AVG=+099,-003,+026
FLUXFCST=STD:170,160,155;SESC:175,160,150 BAI/PAI-FCST=020,015,010/025,022,020
KFCST=3335 5333 2225 5222 27DAY-AP=036,014 27DAY-KP=3455 4553 4423 2322
WARNINGS=*MAJFLR;*PROTFLR;*PROTON;*PCA;*AURMIDWCH
ALERTS=
!!END-DATA!!
BRIEF SUMMARY OF EVENTS
-----------------------
Solar activity became low today. Only small C-class subflares were
observed. Region 6891 (S12W88) will be almost entirely behind the west limb
by the end of the UT day of 04 November. There is only a slight possibility
for the eruption of a major flare from this region as it departs. The other
solar regions visible are not overly impressive and are expected to generate
only occassional C-class subflares with a slight risk for a minor M-class
event.
Geomagnetic activity was mostly quiet to unsettled today. Conditions
have stabilized from the storm activity observed over the last week. The
field should remain mostly quiet to unsettled over the next 24 to 72 hours.
Auroral activity has continued to become increasingly dormant. Activity
was only visible over the high latitude regions on 03 November. The auroral
oval has moved back to its normal polar position and is not expected to
return to an active state in the near future.
HF propagation conditions began to improve more noticably today, but
remained slightly below normal over many regions. Low latitude signal path
propagation is now near normal while middle latitudes should return to near
normal over the next 48 hours. High latitudes should also return to near
normal within the next 2 to 4 days. Conditions should continue to improve
over time as we begin to enter the less disturbed space environment over the
next week.
** End of Daily Update **