:Product: Geomagnetic Data 7day_AK.txt :Issued: 0018 UTC 30 Jul 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 Jul 23 Boulder N49 W 42 4 1 0 2 1 2 2 1 1 Chambon-la-foret N-- E--- 10 0 1 2 2 1 1 1 2 College N65 W102 3 0 1 1 2 2 0 1 0 Fredericksburg N38 W 78 3 0 0 1 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) 4 1 1 1 1 1 1 1 2 Wingst N54 E 95 6 0 1 1 2 2 2 1 3 2021 Jul 24 Boulder N49 W 42 6 0 2 1 1 2 3 1 2 Chambon-la-foret N-- E--- 8 1 2 1 1 1 1 1 2 College N65 W102 4 0 2 1 3 2 1 0 0 Fredericksburg N38 W 78 5 0 2 1 2 3 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 1 2 1 2 1 1 0 1 Wingst N54 E 95 4 1 1 1 2 1 2 0 2 2021 Jul 25 Boulder N49 W 42 5 0 0 1 2 1 3 1 2 Chambon-la-foret N-- E--- 7 0 2 1 1 0 0 0 2 College N65 W102 1 0 0 1 0 1 0 0 1 Fredericksburg N38 W 78 5 0 0 1 2 3 2 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) 3 0 1 1 1 1 0 1 1 Wingst N54 E 95 3 1 2 0 0 0 1 1 2 2021 Jul 26 Boulder N49 W 42 6 1 2 1 1 2 3 1 1 Chambon-la-foret N-- E--- 6 1 2 1 1 0 1 2 1 College N65 W102 2 1 0 1 0 0 0 1 1 Fredericksburg N38 W 78 4 1 1 1 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) 4 1 1 1 1 1 0 1 1 Wingst N54 E 95 4 1 1 1 1 1 1 2 2 2021 Jul 27 Boulder N49 W 42 7 1 1 1 2 1 3 2 3 Chambon-la-foret N-- E--- 20 0 1 2 2 1 1 2 3 College N65 W102 1 0 0 0 1 0 0 0 2 Fredericksburg N38 W 78 6 1 0 1 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) 6 1 1 1 2 1 1 1 3 Wingst N54 E 95 6 0 1 1 2 1 2 2 3 2021 Jul 28 Boulder N49 W 42 13 3 3 2 2 3 4 2 2 Chambon-la-foret N-- E--- 21 4 3 2 2 2 3 4 1 College N65 W102 13 3 3 4 2 2 3 2 2 Fredericksburg N38 W 78 13 3 3 2 3 3 3 3 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) 13 4 3 3 3 2 3 3 2 Wingst N54 E 95 18 4 3 3 3 3 4 4 1 2021 Jul 29 Boulder N49 W 42 10 2 3 3 3 2 2 2 2 Chambon-la-foret N-- E--- -1 2 3 -1 -1 -1 -1 -1 -1 College N65 W102 12 1 3 3 3 3 4 1 1 Fredericksburg N38 W 78 12 2 3 3 3 3 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) 8 2 3 2 2 2 1 1 2 Wingst N54 E 95 -1 -1 -1 -1 -1 -1 -1 -1 -1