SUDDEN ENHANCEMENTS OF ATMOSPHERICS - SEA Month: JANUARY YEAR: 2002 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. 2 0911 0942 0916 1 2 31 5 1028 1210 1042 1 2 102 3 1225 1252 1252 1 2 27 6 PREFLARE 1252 1357 1257 2 3 65 5 3 1225 1317 1240 1 2 52 5 1327 1426 1346 1 2 59 5 5 1028 1124 1046 2 3 56 5 6 1240 1326 1249 1 2 46 5 1444 1517 1450 1 2 33 5 9 1106 1418 1120 3 4 192 5 10 0745 0840 0800 1 2 55 5 1010 1055 1023 1 2 45 5 11 1235 1314 1240 1 2 39 5 1319 1420 1337 1 2 61 2a 12 1220 1322 1230 1 2 62 5 1514 1559 1524 2 3 45 5 13 1310 1426 1328 1 2 76 5 14 0822 0916 0846 1 2 54 3 16 1009 1048 1016 1 2 39 5 19 1004 1042 1009 1 2 38 5 22 0839 0940 0904 1 2 61 3 1200 1300 1240 1 2 60 3 1303 1347 1316 1 2 44 5 23 0830 1035 0941 1 2 125 3 UNCERTN 1414 1453 1426 1 2 39 3 28 1103 1310 1139U 1 2 127 3 29 0933 1101 1020 1 2 88 3 1251 1342 1300 1 2 51 5 31 1440 1540 1443 2 4 60 1 Evaluated by L.Krivsky and J.Klimes