:Product: Geomagnetic Data 7day_AK.txt :Issued: 0033 UTC 25 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 18 Boulder N49 W 42 4 1 0 1 1 1 2 1 2 Chambon-la-foret N-- E--- 10 0 2 1 1 1 2 0 2 College N65 W102 1 1 0 0 0 1 0 0 1 Fredericksburg N38 W 78 5 1 0 1 2 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) 4 1 1 1 1 1 1 0 2 Wingst N54 E 95 5 1 1 1 2 2 2 0 2 2021 Jul 19 Boulder N49 W 42 7 -1 -1 -1 -1 -1 2 2 2 Chambon-la-foret N-- E--- 18 2 2 3 1 2 2 3 2 College N65 W102 2 -1 -1 -1 -1 -1 1 1 0 Fredericksburg N38 W 78 4 -1 -1 -1 -1 -1 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) 7 2 3 3 1 1 1 2 2 Wingst N54 E 95 12 2 2 3 1 3 3 3 3 2021 Jul 20 Boulder N49 W 42 12 3 2 3 2 2 3 3 3 Chambon-la-foret N-- E--- 18 3 2 2 2 1 3 3 3 College N65 W102 9 2 2 4 2 1 2 2 2 Fredericksburg N38 W 78 9 2 1 3 2 2 1 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) 10 3 2 3 2 1 2 3 3 Wingst N54 E 95 16 3 2 3 3 2 3 4 4 2021 Jul 21 Boulder N49 W 42 7 3 3 1 2 2 2 1 0 Chambon-la-foret N-- E--- -1 2 2 -1 -1 -1 -1 -1 -1 College N65 W102 10 2 3 1 2 3 4 1 0 Fredericksburg N38 W 78 6 2 2 1 2 3 2 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) 6 2 2 1 2 2 2 1 0 Wingst N54 E 95 10 2 3 2 2 3 4 1 0 2021 Jul 22 Boulder N49 W 42 12 1 2 4 4 2 3 1 1 Chambon-la-foret N-- E--- 11 -1 -1 2 2 3 1 2 1 College N65 W102 28 1 3 6 6 4 3 1 0 Fredericksburg N38 W 78 9 1 2 3 3 3 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) 11 2 2 4 4 3 1 1 1 Wingst N54 E 95 9 2 2 3 3 3 2 1 1 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--- -1 1 2 -1 -1 -1 -1 -1 -1 College N65 W102 -1 0 2 1 3 2 1 0 -1 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 -1 -1 -1 -1 -1 -1 -1 -1 -1