:Product: Geomagnetic Data 7day_AK.txt :Issued: 0018 UTC 27 Mar 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 Mar 20 Boulder N49 W 42 24 2 3 5 5 4 3 2 4 Chambon-la-foret N-- E--- 48 2 3 5 4 3 4 4 4 College N65 W102 40 1 2 7 6 3 5 3 3 Fredericksburg N38 W 78 20 2 3 5 4 3 3 3 3 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) 29 2 3 6 5 4 4 3 4 Wingst N54 E 95 25 3 3 5 4 3 4 4 4 2021 Mar 21 Boulder N49 W 42 18 3 4 1 1 4 4 4 3 Chambon-la-foret N-- E--- 35 4 3 2 2 3 4 5 4 College N65 W102 45 3 3 2 2 7 7 4 2 Fredericksburg N38 W 78 17 4 3 1 2 4 3 4 3 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) 24 4 4 1 2 4 5 5 3 Wingst N54 E 95 24 4 3 2 2 3 5 5 4 2021 Mar 22 Boulder N49 W 42 9 3 3 3 1 2 2 2 1 Chambon-la-foret N-- E--- 14 3 2 1 1 1 1 2 2 College N65 W102 12 3 2 3 4 3 2 1 1 Fredericksburg N38 W 78 6 2 2 2 1 2 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) 8 3 3 2 2 1 1 1 1 Wingst N54 E 95 8 3 2 2 2 2 2 2 2 2021 Mar 23 Boulder N49 W 42 9 2 3 3 2 2 2 2 2 Chambon-la-foret N-- E--- 19 3 3 2 2 2 2 2 3 College N65 W102 11 2 3 3 3 3 3 1 1 Fredericksburg N38 W 78 9 2 3 2 1 2 2 2 3 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) 11 3 4 2 2 2 2 2 3 Wingst N54 E 95 13 3 3 2 2 3 3 3 3 2021 Mar 24 Boulder N49 W 42 10 3 3 3 2 2 2 2 2 Chambon-la-foret N-- E--- 27 3 3 2 2 1 1 2 4 College N65 W102 17 2 2 3 5 5 0 2 2 Fredericksburg N38 W 78 11 3 3 3 2 2 1 2 3 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) 11 3 3 3 2 2 1 2 3 Wingst N54 E 95 13 4 3 2 2 1 1 3 4 2021 Mar 25 Boulder N49 W 42 20 5 4 3 2 4 3 1 3 Chambon-la-foret N-- E--- 23 5 3 3 2 2 1 1 4 College N65 W102 26 3 4 5 3 6 3 2 1 Fredericksburg N38 W 78 18 5 4 4 2 3 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) 18 5 4 4 2 3 1 1 3 Wingst N54 E 95 22 6 4 3 2 3 1 1 4 2021 Mar 26 Boulder N49 W 42 13 2 3 4 4 2 2 2 1 Chambon-la-foret N-- E--- -1 4 2 -1 -1 -1 -1 -1 -1 College N65 W102 23 2 3 5 5 5 2 2 1 Fredericksburg N38 W 78 11 3 3 3 3 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) 12 4 3 3 3 1 2 2 2 Wingst N54 E 95 -1 -1 -1 -1 -1 -1 -1 -1 -1