Viewing archive of Friday, 21 July 2000

Geophysical report

Solar and Geophysical Activity Summary 2000 Jul 21 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 203 Issued at 0245Z on 21 JUL 2000 This report is compiled from data received at SWO on 20 JUL
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0921 1006 1039  9087 S12W08 M3.6  1F 250    180       IV
1203 1206 1206                       120
1225 1226 1234  9085 N13W29       SF 880
1316 1323 1333  9087 S13W08 C7.0  SN 760
1334 1334 1334                       350
1403 1412 1442  9090 N11E20       SF 2200
1454 1457 1504  9090 N11E19 C5.1  SF 750    130
1505 1505 1505                       190
1704 1709 1713  9090                 90            II
1732 1733 1735                       2500
1805 1805 1806                       220
1828 1828 1829                       120
1839 1839 1840                       110
1925 1926 1926                       670
1930 1935 1939              C4.5     170
2009 2015 2017  9090 N12E16 C6.1  SF 7000   59
2018 2018 2018                       2500
2022 2025 2028  9087 S15W11 M5.0  1B        420
2103 2106 2114  9087 S07W08       SN 760    56
2105 2105 2107                       240
2116 2116 2117                       240
2118 2119 2120                       170
2127 2127 2128                       950
2143 2144 2144                       320
2237 2237 2238                       130
2240 2240 2240                       470
2307 2312 2319              C4.9     490
2325 2325 2325                       140
B. Proton Events
THE GREATER THAN 10 MEV PROTON EVENT THAT BEGAN ON 14 JULY ENDED AT 19/2330Z.
C. Geomagnetic Activity Summary
THE GEOMAGNETIC FIELD BEGAN THE PERIOD AT MINOR TO MAJOR STORM LEVELS. FOLLOWING THE SUDDEN IMPULSE AT 19/1526Z, BZ WAS NORTHWARD UNTIL IT TURNED SOUTHWARD AT APPROXIMATELY 20/0000Z AND STORM CONDITIONS ENSUED. BZ BECAME NORTHWARD AGAIN AROUND 20/1300Z AND THE FIELD CALMED TO UNSETTLED LEVELS.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 253  SSN 401  AFR/AP 028/043   X-RAY BACKGROUND C2.6
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 4.9E+06   GT 10 MEV 3.5E+05 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 4.30E+06 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 5 6 5 5 4 3 3 3 PLANETARY 5 6 6 6 5 3 4 3
F. Comments
  None

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