:Product: Geomagnetic Data 7day_AK.txt :Issued: 2133 UTC 05 Apr 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 29 Boulder N49 W 42 3 0 2 2 0 0 2 1 1 Chambon-la-foret N-- E--- 7 1 2 1 1 1 1 1 2 College N65 W102 1 0 0 1 1 0 0 0 0 Fredericksburg N38 W 78 3 1 2 1 1 1 1 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 2 1 1 1 1 1 1 Wingst N54 E 95 4 2 2 0 1 1 1 1 2 2021 Mar 30 Boulder N49 W 42 3 0 1 1 0 0 1 2 2 Chambon-la-foret N-- E--- 11 0 1 0 0 1 1 2 2 College N65 W102 0 0 0 0 0 0 0 0 1 Fredericksburg N38 W 78 4 0 1 1 1 1 1 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) 3 0 1 1 1 1 1 1 2 Wingst N54 E 95 5 1 1 0 0 1 1 3 3 2021 Mar 31 Boulder N49 W 42 9 2 3 2 2 2 3 2 2 Chambon-la-foret N-- E--- 21 3 2 1 2 1 3 3 4 College N65 W102 15 1 2 4 4 4 3 2 1 Fredericksburg N38 W 78 7 1 2 2 1 2 3 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) 10 3 3 2 3 2 3 2 3 Wingst N54 E 95 12 3 2 2 2 1 3 3 4 2021 Apr 1 Boulder N49 W 42 9 2 3 3 2 1 2 2 2 Chambon-la-foret N-- E--- 10 3 2 2 2 0 1 2 1 College N65 W102 8 2 3 4 2 0 1 1 0 Fredericksburg N38 W 78 8 3 3 2 2 1 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) 8 3 3 2 2 0 1 2 2 Wingst N54 E 95 10 4 2 2 2 0 2 3 2 2021 Apr 2 Boulder N49 W 42 5 1 1 1 1 1 3 2 1 Chambon-la-foret N-- E--- 11 2 1 0 1 1 3 3 1 College N65 W102 7 1 1 0 2 2 4 2 0 Fredericksburg N38 W 78 4 1 1 1 0 1 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) 6 2 1 1 1 1 3 2 1 Wingst N54 E 95 7 2 1 0 1 2 3 3 1 2021 Apr 3 Boulder N49 W 42 4 1 2 1 1 1 2 1 1 Chambon-la-foret N-- E--- 7 1 1 1 1 1 0 2 2 College N65 W102 2 1 1 1 1 1 0 0 0 Fredericksburg N38 W 78 2 1 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 2 2 1 1 1 0 1 1 Wingst N54 E 95 5 1 2 1 2 1 1 2 2 2021 Apr 4 Boulder N49 W 42 2 0 0 2 0 1 1 0 0 Chambon-la-foret N-- E--- 6 1 0 1 1 1 1 0 1 College N65 W102 1 0 0 1 1 1 0 0 0 Fredericksburg N38 W 78 2 1 0 1 0 1 1 0 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) 3 1 0 1 0 1 1 0 1 Wingst N54 E 95 4 2 0 1 1 1 1 1 2