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- Newsgroups: sci.space.news
- Path: sparky!uunet!cs.utexas.edu!sun-barr!ames!dont-send-mail-to-path-lines
- From: oler@rho.uleth.ca (Cary Oler)
- Subject: Daily Summary of Solar Geophysical Activity for 24 January
- Message-ID: <oler.727953111@honte>
- Apparently-To: sci-space-news@ames.arc.nasa.gov
- Followup-To: sci.space
- Sender: news@honte.uleth.ca (News System)
- Organization: University of Lethbridge
- Date: Mon, 25 Jan 1993 09:11:51 GMT
- Approved: sci-space-news@ames.arc.nasa.gov
- Lines: 131
-
- /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
-
- DAILY SUMMARY OF SOLAR GEOPHYSICAL ACTIVITY
-
- 24 JANUARY, 1993
-
- /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
-
- (Based In-Part On SESC Observational Data)
-
-
- SOLAR AND GEOPHYSICAL ACTIVITY INDICES FOR 24 JANUARY, 1993
- -----------------------------------------------------------
-
- !!BEGIN!! (1.0) S.T.D. Solar Geophysical Data Broadcast for DAY 024, 01/24/93
- 10.7 FLUX=105 90-AVG=139 SSN=077 BKI=1124 2221 BAI=008
- BGND-XRAY=B1.2 FLU1=2.9E+05 FLU10=9.1E+03 PKI=1224 2222 PAI=009
- BOU-DEV=005,009,012,050,013,018,019,008 DEV-AVG=016 NT SWF=00:000
- XRAY-MAX= B4.0 @ 0518UT XRAY-MIN= B1.1 @ 1359UT XRAY-AVG= B1.3
- NEUTN-MAX= +003% @ 1850UT NEUTN-MIN= -002% @ 1715UT NEUTN-AVG= +0.4%
- PCA-MAX= +0.0DB @ 2355UT PCA-MIN= -0.4DB @ 0750UT PCA-AVG= -0.0DB
- BOUTF-MAX=55418NT @ 2332UT BOUTF-MIN=55381NT @ 1903UT BOUTF-AVG=55407NT
- GOES7-MAX=P:+118NT@ 2031UT GOES7-MIN=N:-008NT@ 0919UT G7-AVG=+075,+026,+009
- GOES6-MAX=P:+138NT@ 1832UT GOES6-MIN=E:-010NT@ 1903UT G6-AVG=+094,+002,+038
- FLUXFCST=STD:105,105,105;SESC:105,105,105 BAI/PAI-FCST=010,015,020/013,020,025
- KFCST=0002 3000 1111 3222 27DAY-AP=005,029 27DAY-KP=0011 0123 2032 5555
- WARNINGS=
- ALERTS=
- !!END-DATA!!
-
-
- SYNOPSIS OF ACTIVITY
- --------------------
-
- Solar activity was very low. All of the regions on
- the disk were generally quiet and stable. Region 7406 (S14E03)
- showed some growth in its trailers. Two new regions emerged on
- the disk today: 7408 (N12W66) and 7409 (N17W09). A small fila-
- ment near N08W10 disappeared sometime between 23/2156Z and
- 24/1630Z.
-
- Solar activity forecast: solar activity is expected to be
- very low to low.
-
- The geomagnetic field was predominantly quiet. A brief dis-
- turbance occurred from 0900-1200Z which caused active con-
- ditions at middle latitudes and active to major storm levels
- at high latitudes. Middle latitudes returned to quiet for
- the remainder of the period and high latitudes were quiet
- to unsettled.
-
- Geophysical activity forecast: the geomagnetic field
- is expected to be quiet to unsettled for the next 24 hours.
- Activity is expected to pick up gradually sometime on day
- two and is expected to reach active levels by the third day
- day. The increase is forecast because of a favorably positioned
- coronal hole.
-
- Event probabilities 25 jan-27 jan
-
- Class M 05/05/05
- Class X 01/01/01
- Proton 01/01/01
- PCAF Green
-
- Geomagnetic activity probabilities 25 jan-27 jan
-
- A. Middle Latitudes
- Active 10/20/25
- Minor Storm 05/20/20
- Major-Severe Storm 01/10/10
-
- B. High Latitudes
- Active 10/25/30
- Minor Storm 05/20/20
- Major-Severe Storm 01/10/15
-
- HF propagation conditions were normal to below normal
- today. A period of active to major storming between 09:00 UT
- and 18:00 UT produced poor to very poor propagation over many
- high latitude paths. Effects were noticed well into the middle
- latitude regions near the night-sectors during the disturbed
- periods, but began subsiding after approximately 15:00 UT.
- Conditions are expected to vary from near-normal over the
- middle latitude paths to below normal over the middle to polar
- latitude paths for the next 72 hours. Propagation will become
- increasingly less stable on 26 and 27 January due to an
- anticipated coronal hole disturbance which proved to be mildly
- geoeffective on the previous rotation.
-
-
- COPIES OF JOINT USAF/NOAA SESC SOLAR GEOPHYSICAL REPORTS
- ========================================================
-
- REGIONS WITH SUNSPOTS. LOCATIONS VALID AT 24/2400Z JANUARY
- ----------------------------------------------------------
- NMBR LOCATION LO AREA Z LL NN MAG TYPE
- 7401 S11W70 018 0010 AXX 02 002 ALPHA
- 7403 N14W50 358 0150 HSX 03 001 ALPHA
- 7406 S14E03 305 0080 CSO 07 007 BETA
- 7407 S06E33 275 0010 HRX 01 002 ALPHA
- 7408 N12W66 014 0010 BXO 04 002 BETA
- 7409 N17W09 317 0010 BXO 05 003 BETA
- REGIONS DUE TO RETURN 25 JANUARY TO 27 JANUARY
- NMBR LAT LO
- 7394 S16 178
- 7386 S05 183
-
-
- LISTING OF SOLAR ENERGETIC EVENTS FOR 24 JANUARY, 1993
- ------------------------------------------------------
- BEGIN MAX END RGN LOC XRAY OP 245MHZ 10CM SWEEP SWF
- NO EVENTS OBSERVED
-
-
- POSSIBLE CORONAL MASS EJECTION EVENTS FOR 24 JANUARY, 1993
- ----------------------------------------------------------
- BEGIN MAX END LOCATION TYPE SIZE DUR II IV
- 24/B2038 A2109 N13W75 DSF
-
-
- INFERRED CORONAL HOLES. LOCATIONS VALID AT 24/2400Z
- ---------------------------------------------------
- ISOLATED HOLES AND POLAR EXTENSIONS
- EAST SOUTH WEST NORTH CAR TYPE POL AREA OBSN
- 82 S37W12 S40W13 S15W40 S01W32 346 ISO POS 017 10830A
- 83 N21E08 S04W08 N09W25 N33W06 327 ISO POS 022 10830A
- 84 S32E55 S40E44 S26E16 S21E29 284 ISO NEG 021 10830A
-
-
- ** End of Daily Report **
-