Viewing archive of tisdag, 19 september 2000

Solaktivitetsrapport

Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Rapport för sol- och geofysisk aktivitet 2000 Sep 19 2200 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 263 publicerat klockan 2200Z på 19 SEP 2000

IA. Analys av solfläcksgrupper och solaktivitet från 18-2100Z till 19-2100Z

SOLAR ACTIVITY WAS HIGH. REGION 9165 (N15W54) PRODUCED AN M5/1N AT 19/0826 UTC. THIS FLARE WAS ASSOCIATED WITH A TYPE II RADIO SWEEP AND A 360 SFU TENFLARE. REGION 9166 (S13E11) AND 9169 (N09E60) PRODUCED SEVERAL C-CLASS EVENTS. REGION 9169 IS EXHIBITING A BETA-GAMMA-DELTA MAGNETIC CONFIGURATION AND IS THE LARGEST REGION VISIBLE ON THE DISK WITH 2140 MILLIONTHS OF WHITE LIGHT AREA.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO BE LOW TO MODERATE. M-CLASS FLARES ARE POSSIBLE FROM REGIONS 9165, 9166, AND 9169. IIA. GEOPHYSICAL ACTIVITY SUMMARY 18/2100Z TO 19/2100Z: THE GEOMAGNETIC FIELD RANGED FROM QUIET TO MINOR STORM LEVELS. ISOLATED MAJOR STORM LEVELS WERE OBSERVED AT HIGH LATITUDES FOR THE PERIOD OF 19/1800 UTC.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD IS EXPECTED TO BE UNSETTLED TO ACTIVE FOR THE FIRST DAY OF THE FORECAST PERIOD. PREDOMINATELY UNSETTLED CONDITIONS ARE EXPECTED FOR DAYS TWO AND THREE OF THE PERIOD.
III. Chans för solutbrott från 20 SEP till 22 SEP
M-klass50%50%50%
X-klass05%05%05%
Proton05%05%05%
PCAFGREEN
IV. Penticton 10.7 cm Flux
  Observerad       19 SEP 207
  Prognoserat   20 SEP-22 SEP  210/215/215
  90 Day Mean        19 SEP 177
V. Geomagnetiskt A-index
OBSERVED AFR/AP 18 SEP  028/045
ESTIMATED AFR/AP 19 SEP  025/028
PREDICTED AFR/AP 20 SEP-22 SEP  020/020-015/015-010/010
VI. Chanser för geomagnetisk aktivitet från 20 SEP till 22 SEP
A. Medelhöga breddgrader
Aktivt60%30%20%
Små stormförhållanden15%15%10%
Svåra stormförhållanden05%05%01%
B. Höga breddgrader
Aktivt75%30%25%
Små stormförhållanden15%15%10%
Svåra stormförhållanden05%05%01%
COMMENTS EFFECTIVE 2 OCT 2000, SEC WILL ISSUE ITS TEXT PRODUCTS IN MIXED CASE VS. ALL UPPER CASE. THIS CHANGE WILL BE VISIBLE ON ALL SEC PRODUCT DELIVERY SYSTEMS EXCEPT FOR TELETYPE CIRCUITS. ONLY THE CASE OF THE TEXT IN EACH PRODUCT WILL CHANGE, NOT THE FORMAT OR SPACING WITHIN THE PRODUCT. FOR DETAILS SEE OUR WEB SITE AT SEC.NOAA.GOV/MIXEDCASE.HTML

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