:Product: Geomagnetic Data 7day_AK.txt :Issued: 2133 UTC 29 May 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 May 22 Boulder N49 W 42 6 1 1 2 1 2 2 2 2 Chambon-la-foret N-- E--- 10 2 2 1 1 1 1 3 1 College N65 W102 -1 1 1 1 1 -1 -1 -1 -1 Fredericksburg N38 W 78 5 1 1 1 1 3 1 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) 5 1 1 2 1 2 1 2 1 Wingst N54 E 95 6 2 1 1 2 2 2 3 1 2021 May 23 Boulder N49 W 42 6 0 2 1 2 1 3 1 2 Chambon-la-foret N-- E--- 8 1 2 1 1 1 1 1 1 College N65 W102 3 1 1 1 2 0 1 0 1 Fredericksburg N38 W 78 4 0 2 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) 4 1 2 1 1 1 1 1 2 Wingst N54 E 95 4 1 2 1 1 1 1 2 1 2021 May 24 Boulder N49 W 42 3 2 0 0 2 1 1 0 1 Chambon-la-foret N-- E--- 5 2 2 1 1 0 1 1 0 College N65 W102 2 1 1 0 2 0 0 0 0 Fredericksburg N38 W 78 2 2 0 0 1 0 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) 4 2 1 1 1 1 0 0 1 Wingst N54 E 95 3 2 1 0 1 1 1 1 0 2021 May 25 Boulder N49 W 42 5 0 1 0 1 2 3 1 2 Chambon-la-foret N-- E--- 9 0 1 1 1 1 2 1 2 College N65 W102 1 0 0 0 1 1 1 0 0 Fredericksburg N38 W 78 3 0 1 0 1 2 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) 3 0 1 0 1 1 1 0 2 Wingst N54 E 95 4 0 1 0 1 2 2 1 2 2021 May 26 Boulder N49 W 42 -1 0 -1 -1 -1 -1 0 -1 -1 Chambon-la-foret N-- E--- 39 1 2 1 1 3 4 5 3 College N65 W102 -1 0 -1 -1 -1 -1 -1 -1 -1 Fredericksburg N38 W 78 12 0 -1 -1 -1 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) 13 1 1 2 1 3 3 5 3 Wingst N54 E 95 15 1 2 1 1 3 4 5 3 2021 May 27 Boulder N49 W 42 7 -1 -1 -1 -1 -1 -1 -1 2 Chambon-la-foret N-- E--- 14 5 3 3 2 2 3 2 1 College N65 W102 4 -1 -1 -1 -1 -1 1 2 1 Fredericksburg N38 W 78 15 3 3 4 4 2 3 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) 16 4 3 4 3 2 3 2 2 Wingst N54 E 95 18 5 3 3 3 3 3 3 2 2021 May 28 Boulder N49 W 42 4 1 1 0 1 2 2 1 1 Chambon-la-foret N-- E--- 5 1 1 1 1 1 1 0 0 College N65 W102 1 1 2 0 0 0 0 0 0 Fredericksburg N38 W 78 3 1 1 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) 3 1 1 0 1 1 0 0 1 Wingst N54 E 95 3 1 1 0 1 1 1 1 1