SUDDEN ENHANCEMENTS OF ATMOSPHERICS - SEA Month: NOVEMBER YEAR: 2004 Observing Station: OBSERVATORY U P I C E CZECH REPUBLIC Lat.: 50 30 26.6 N Sea level: 416 m Long.: 16 00 43.5 E Frequency: 27 kHz Band pass: 308 Hz a 3 dB Chart speed: 3.4 cm/H Recorder time constant: 27 sec Date Start End Max. Imp. Def. Dur. Type REMARKS UT UT UT SEA min. 1 0729 0824 0739 1 2 55 5 1149 1213 1150 1 2 24 1 2 0906 0938 0938 1 2 32 3 PREFLARE 0938 1231 0957U 3 4 173 5 1237 1316 1253 1 2 39 3 1319 1443 1350 1 2 84 3 3 0752 0854 0854 1 2 62 3 PREFLARE 0854 0952 0857 2 3 58 5 1335 1445 1347 1 3 70 5 4 0703 0846 0722 1 2 103 3 PREFLARE 0846 1106 0857 3 4 140 5 1145 1259 1156 1 2 74 3 1301 1419 1349U 1 2 78 3 5 0803 0846 0813 1 2 43 3 1016 1129 1019U 1 2 73 3 PREFLARE 1129 1447 1145U 3 4 198 5 6 0744 0807 0750 1 2 23 6 UNCERTN 1029 1117 1050U 1 2 48 3 1430 1458 1436 1 2 28 6 7 0920 0947 0947 1 2 27 6 PREFLARE 0947 1151 1005 3 3 124 5 1401 1438 1409 3 4 37 1 8 0837 0936 0853 2 2 59 5 1435 1452 1438 1 2 17 1 9 0822 0920 0845 2 3 58 5 1135 1236 1139U 1 3 61 5 1238 1320 1247 1 3 42 5 1322 1419 1334 1 3 57 5 10 0852 1031 0858 1 2 99 3 11 0930 1044 1000 2 2 74 2a 12 0939 1000 0943 1 2 21 1 1108 1200 1120 1 2 52 5 UNCERTN 13 1324 1420 1343 1 2 56 5 15 0700 0734 0711 2 3 34 1 0930 1009 0950 1 3 39 2b 22 0830 0918 0842 1 2 48 3 23 1506 1534 1513 2 3 28 5 24 0827 0952 0839 1 2 85 3 25 1010 1130 1019 1 2 80 3 26 0852 0935 0907 1 2 43 5 UNCERTN 28 1239 1416 1257 1 3 97 5 30 1101 1131 1108 1 2 30 3 Evaluated by L.Krivsky and J.Klimes