Viewing archive of lördag, 22 juli 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 Jul 22 2200 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 204 publicerat klockan 2200Z på 22 JUL 2000

IA. Analys av solfläcksgrupper och solaktivitet från 21-2100Z till 22-2100Z

SOLAR ACTIVITY HAS BEEN MODERATE. THE MOST ENERGETIC EVENT OF THE PERIOD WAS AN M3 CLASS EVENT BEGINNING AT 22/1117Z IN REGION 9085 (N14W63). THE EVENT WAS COMPARATIVELY LONG LIVED AND ACCOMPANIED BY TYPE II AND TYPE IV RADIO EMISSION. FLARES HAVE BEEN REPORTED IN REGIONS 9087 (S12W39), 9090 (N12W07), AND 9095 (N21W55). THE MOST COMPLEX REGIONS ARE 9087 (S12W39), A GAMMA-DELTA, REGION 9090 (N12W07), A BETA-GAMMA, AND 9097 (N06E25), A BETA-GAMMA. NEW REGIONS HAVE APPEARED AND BEEN NUMBERED AS 9100 (S31E58) AND 9101 (S16E68). A LONG, NARROW NEGATIVE-POLARITY CORONAL HOLE EXTENDS FROM APPROXIMATELY W35 TO E65 AND BETWEEN APPROXIMATELY N30 TO N45 DEGREES.
IB. Prognos för solaktivitet
SOLAR ACTIVITY IS EXPECTED TO REMAIN MODERATE TO HIGH. IIA. GEOPHYSICAL ACTIVITY SUMMARY 21/2100Z TO 22/2100Z: THE GEOMAGNETIC FIELD WAS AT ACTIVE LEVELS. A GREATER THAN 10 MEV PROTON EVENT BEGAN AT 22/1320Z AND REACHED A MAXIMUM FLUX OF 17 PFU AT 22/1405Z. FLUX LEVELS REMAINED NEAR 10 PFU AT FORECAST ISSUE TIME. THE PROTON EVENT APPEARED TO BE ASSOCIATED WITH THE FLARE AT 22/1117Z. AN ASSOCIATED MINOR ENHANCEMENT OF PROTONS WITH ENERGY GREATER THAN 100 MEV BEGAN AT ABOUT 22/1200Z. THE GREATER THAN 100 MEV INCREASE DID NOT MEET SEC EVENT CRITERIA AND HAD RETURNED TO NEAR-BACKGROUND LEVELS BY 22/1900Z.
IIB. Prognos för geofysisk aktivitet
GEOMAGNETIC ACTIVITY IS EXPECTED TO BE UNSETTLED TO ACTIVE.
III. Chans för solutbrott från 23 JUL till 25 JUL
M-klass85%80%75%
X-klass35%30%20%
Proton35%30%20%
PCAFYELLOW
IV. Penticton 10.7 cm Flux
  Observerad       22 JUL 251
  Prognoserat   23 JUL-25 JUL  245/235/230
  90 Day Mean        22 JUL 189
V. Geomagnetiskt A-index
OBSERVED AFR/AP 21 JUL  006/009
ESTIMATED AFR/AP 22 JUL  012/020
PREDICTED AFR/AP 23 JUL-25 JUL  020/025-020/025-012/020
VI. Chanser för geomagnetisk aktivitet från 23 JUL till 25 JUL
A. Medelhöga breddgrader
Aktivt28%28%28%
Små stormförhållanden13%15%10%
Svåra stormförhållanden06%06%06%
B. Höga breddgrader
Aktivt30%30%30%
Små stormförhållanden15%10%05%
Svåra stormförhållanden05%05%05%

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