:Product: Geomagnetic Data 7day_AK.txt :Issued: 2133 UTC 23 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 16 Boulder N49 W 42 2 0 1 0 1 1 1 1 1 Chambon-la-foret N-- E--- 7 1 1 1 1 1 1 1 0 College N65 W102 1 0 0 0 0 0 0 1 1 Fredericksburg N38 W 78 2 0 1 0 1 1 1 0 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 2 0 1 1 1 1 1 Wingst N54 E 95 3 1 1 0 1 1 1 2 0 2021 Mar 17 Boulder N49 W 42 3 1 0 1 0 2 2 1 1 Chambon-la-foret N-- E--- 9 2 1 1 0 1 2 1 1 College N65 W102 5 2 1 0 0 1 3 2 1 Fredericksburg N38 W 78 2 1 0 0 0 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) 5 2 1 0 0 1 2 1 1 Wingst N54 E 95 5 2 1 1 0 2 2 2 1 2021 Mar 18 Boulder N49 W 42 3 1 1 1 1 1 1 1 1 Chambon-la-foret N-- E--- 11 2 2 1 1 1 0 0 3 College N65 W102 2 1 1 2 1 0 0 0 0 Fredericksburg N38 W 78 4 2 2 1 2 1 1 0 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 2 2 1 2 0 0 0 1 Wingst N54 E 95 6 2 2 2 2 1 0 0 3 2021 Mar 19 Boulder N49 W 42 6 1 3 2 2 1 2 0 1 Chambon-la-foret N-- E--- 14 3 1 1 1 1 1 2 3 College N65 W102 6 0 2 3 3 2 0 0 0 Fredericksburg N38 W 78 6 2 2 2 2 1 1 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 2 3 2 2 1 0 1 2 Wingst N54 E 95 8 3 1 1 1 1 2 3 3 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