:Product: Geomagnetic Data 7day_AK.txt :Issued: 0033 UTC 25 Oct 2021 # # Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center # Please send comments and suggestions to SWPC.Webmaster@noaa.gov # Updated every hour beginning at 0029 UTC. # Values shown as reported, SEC does not verify accuracy. # Missing Data: -1 # # Geomagnetic A and K indices from the U.S. Geological Survey Stations # # Geomagnetic # Dipole A ------------- 3 Hourly K Indices -------------- # Station Lat Long Index 00-03 03-06 06-09 09-12 12-15 15-18 18-21 21-24 #------------------------------------------------------------------------------- 2021 Oct 18 Boulder N49 W 42 7 -1 -1 -1 -1 -1 2 2 2 Chambon-la-foret N-- E--- -1 -1 -1 -1 -1 -1 -1 -1 -1 College N65 W102 6 -1 -1 -1 -1 -1 1 2 2 Fredericksburg N38 W 78 -1 -1 -1 -1 -1 -1 1 1 -1 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 10 4 3 2 1 2 2 2 3 Wingst N54 E 95 -1 -1 -1 -1 -1 -1 -1 -1 -1 2021 Oct 19 Boulder N49 W 42 10 2 3 2 2 2 3 3 2 Chambon-la-foret N-- E--- 20 -1 -1 1 1 2 4 4 2 College N65 W102 10 2 3 2 3 2 3 2 2 Fredericksburg N38 W 78 9 2 2 2 1 2 3 3 2 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 14 3 4 2 2 2 4 4 2 Wingst N54 E 95 17 3 3 1 2 2 4 5 3 2021 Oct 20 Boulder N49 W 42 7 2 3 1 1 2 2 2 2 Chambon-la-foret N-- E--- 10 1 2 0 1 2 1 2 2 College N65 W102 3 1 1 0 0 2 2 1 1 Fredericksburg N38 W 78 5 1 2 1 1 2 2 1 2 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 6 1 3 1 1 2 2 1 2 Wingst N54 E 95 6 1 2 1 1 2 2 2 3 2021 Oct 21 Boulder N49 W 42 10 2 3 3 3 1 2 2 2 Chambon-la-foret N-- E--- 10 2 1 1 1 1 2 2 3 College N65 W102 7 2 1 4 2 1 1 1 1 Fredericksburg N38 W 78 9 1 3 2 2 2 2 3 2 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 7 2 2 2 2 1 2 2 2 Wingst N54 E 95 6 2 1 1 1 1 2 2 3 2021 Oct 22 Boulder N49 W 42 2 1 0 0 0 1 2 1 1 Chambon-la-foret N-- E--- 8 1 0 0 1 2 0 1 2 College N65 W102 2 1 0 1 1 1 0 0 1 Fredericksburg N38 W 78 3 1 0 0 1 2 1 1 1 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 4 1 0 1 1 2 1 1 2 Wingst N54 E 95 4 1 0 1 1 2 1 1 2 2021 Oct 23 Boulder N49 W 42 2 1 1 0 0 1 2 1 0 Chambon-la-foret N-- E--- 5 2 0 0 1 0 0 1 1 College N65 W102 0 0 0 0 0 0 0 0 1 Fredericksburg N38 W 78 2 1 0 0 0 1 1 1 1 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 3 2 0 0 1 1 0 1 1 Wingst N54 E 95 3 2 0 1 1 0 1 2 1 2021 Oct 24 Boulder N49 W 42 5 0 1 1 1 1 3 2 1 Chambon-la-foret N-- E--- -1 1 1 -1 -1 -1 -1 -1 -1 College N65 W102 -1 0 0 0 2 2 1 1 -1 Fredericksburg N38 W 78 2 0 1 1 0 1 2 1 0 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 4 1 1 1 1 1 2 1 1 Wingst N54 E 95 -1 -1 -1 -1 -1 -1 -1 -1 -1