:Product: Geophysical Alert Message wwv.txt :Issued: 2008 Apr 21 2103 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Please send comments and suggestions to SWPC.Webmaster@noaa.gov # 3-hourly messages issued this UT day. # # Geophysical Alert Message # #----------------------------------------------------------------- Solar-terrestrial indices for 20 April follow. Solar flux 71 and mid-latitude A-index 5. The mid-latitude K-index at 0000 UTC on 21 April was 1 (09 nT). No space weather storms were observed for the past 24 hours. No space weather storms are expected for the next 24 hours. #----------------------------------------------------------------- Solar-terrestrial indices for 20 April follow. Solar flux 71 and mid-latitude A-index 5. The mid-latitude K-index at 0300 UTC on 21 April was 2 (10 nT). No space weather storms were observed for the past 24 hours. No space weather storms are expected for the next 24 hours. #----------------------------------------------------------------- Solar-terrestrial indices for 20 April follow. Solar flux 71 and mid-latitude A-index 5. The mid-latitude K-index at 0600 UTC on 21 April was 3 (28 nT). No space weather storms were observed for the past 24 hours. No space weather storms are expected for the next 24 hours. #----------------------------------------------------------------- Solar-terrestrial indices for 20 April follow. Solar flux 71 and mid-latitude A-index 5. The mid-latitude K-index at 0900 UTC on 21 April was 2 (13 nT). No space weather storms were observed for the past 24 hours. No space weather storms are expected for the next 24 hours. #----------------------------------------------------------------- Solar-terrestrial indices for 20 April follow. Solar flux 71 and mid-latitude A-index 5. The mid-latitude K-index at 1200 UTC on 21 April was 2 (15 nT). No space weather storms were observed for the past 24 hours. No space weather storms are expected for the next 24 hours. #----------------------------------------------------------------- Solar-terrestrial indices for 20 April follow. Solar flux 71 and mid-latitude A-index 5. The mid-latitude K-index at 1500 UTC on 21 April was 1 (6 nT). No space weather storms were observed for the past 24 hours. No space weather storms are expected for the next 24 hours. #----------------------------------------------------------------- Solar-terrestrial indices for 20 April follow. Solar flux 71 and mid-latitude A-index 5. The mid-latitude K-index at 1800 UTC on 21 April was 1 (09 nT). No space weather storms were observed for the past 24 hours. No space weather storms are expected for the next 24 hours. #----------------------------------------------------------------- Solar-terrestrial indices for 21 April follow. Solar flux 71 and estimated mid-latitude A-Index 5. The mid-latitude K-index at 2100 UTC on 21 April was 0 (04 nT). No space weather storms were observed for the past 24 hours. No space weather storms are expected for the next 24 hours.