:Product: Geomagnetic Data 7day_AK.txt :Issued: 0033 UTC 01 Jan 2022 # # 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 Dec 25 Boulder N49 W 42 8 1 1 2 3 2 3 2 1 Chambon-la-foret N-- E--- 9 2 1 1 1 2 2 2 1 College N65 W102 16 2 0 4 5 4 3 1 1 Fredericksburg N38 W 78 5 1 1 2 2 2 2 2 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) 7 2 1 3 2 2 2 2 1 Wingst N54 E 95 8 2 1 2 2 3 2 3 1 2021 Dec 26 Boulder N49 W 42 4 0 1 1 1 1 2 2 1 Chambon-la-foret N-- E--- 10 1 0 1 1 1 0 3 1 College N65 W102 2 0 0 0 3 1 0 0 0 Fredericksburg N38 W 78 2 0 0 0 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) 3 1 0 0 1 0 0 1 1 Wingst N54 E 95 3 1 0 0 1 0 0 3 1 2021 Dec 27 Boulder N49 W 42 11 2 1 2 3 4 3 2 1 Chambon-la-foret N-- E--- 18 2 1 2 3 3 2 2 1 College N65 W102 14 0 0 2 3 6 2 1 1 Fredericksburg N38 W 78 8 1 1 2 2 3 3 2 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 2 1 2 2 4 3 2 1 Wingst N54 E 95 12 2 1 2 3 4 3 3 1 2021 Dec 28 Boulder N49 W 42 8 1 3 3 2 2 2 1 1 Chambon-la-foret N-- E--- -1 3 2 -1 -1 -1 -1 -1 -1 College N65 W102 18 0 4 5 4 4 3 1 0 Fredericksburg N38 W 78 6 1 2 3 2 1 2 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) 9 2 3 3 2 1 3 2 1 Wingst N54 E 95 9 3 2 3 1 2 3 2 1 2021 Dec 29 Boulder N49 W 42 7 1 3 1 2 2 2 2 2 Chambon-la-foret N-- E--- 11 -1 -1 1 1 1 2 2 2 College N65 W102 8 0 2 1 4 3 2 1 1 Fredericksburg N38 W 78 5 1 2 0 1 2 2 2 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 1 2 1 2 2 2 2 3 Wingst N54 E 95 8 2 2 1 1 2 3 2 3 2021 Dec 30 Boulder N49 W 42 8 3 2 1 3 2 2 2 1 Chambon-la-foret N-- E--- 8 2 2 2 2 2 1 1 0 College N65 W102 10 1 0 0 5 3 2 1 1 Fredericksburg N38 W 78 7 3 1 1 3 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) 8 3 2 1 3 2 1 2 1 Wingst N54 E 95 10 3 2 2 3 3 2 2 1 2021 Dec 31 Boulder N49 W 42 3 0 1 1 1 1 2 1 1 Chambon-la-foret N-- E--- -1 0 0 -1 -1 -1 -1 -1 -1 College N65 W102 -1 0 0 0 2 3 3 0 -1 Fredericksburg N38 W 78 2 0 0 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) 4 0 1 1 1 1 2 1 1 Wingst N54 E 95 -1 -1 -1 -1 -1 -1 -1 -1 -1