SUDDEN ENHANCEMENTS OF ATMOSPHERICS - SEA Month: FEBRUARY YEAR: 2014 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 0706 0715 0715 1 2 9 6 PREFLARE 0715 0814 0728 3 4 59 5 1353 1419 1400 1 2 26 5 2 0627 0659 0636 1 2 32 5 0719 0759 0736 1 2 40 2a 0800 0916D 0818 1 3 76D 5 0916 1035 0932 2 3 79 5 1147 1226 1154 2 3 39 5 1404 1525 1409 2 4 81 5 3 1242 1323D 1255 1 4 41D 5 1323 1433 1335 1 4 70 5 4 0917 1035 0949 2 3 78 3 1156 1251 1222 1 2 55 3 1331 1430D 1355 2 3 59D 5 1430 1517 1438 1 3 47 5 1526 1643 1534 2 3 77 5 5 1247 1412 1254 1 2 85 5 1443 1507 1448 1 2 24 5 1614 1641 1621 1 2 27 5 6 1442 1508 1446 1 2 26 5 7 1028 1051 1031 2 3 23 5 1450 1513 1454 1 2 23 5 11 1334 1530 1355 1 2 116 5 1639 1700 1643U 1 2 21 6 12 1218 1314 1238 1 2 56 3 1545 1630 1553 2 4 45 5 13 1550 1630 1557 3 3 40 5 14 1233 1323D 1242 3 4 50D 5 1323 1438 1332 3 4 75 5 16 0923 0950 0928 1 2 27 5 1353 1434 1402 1 2 41 5 19 0637 0727 0641 1 2 50 5 20 0743 0849 0751 2 3 66 5 22 1529 1605 1541 2 3 36 5 24 1106 1202D 1121 2 3 56D 5 1202 1233 1207 1 4 31 5 1446 1508 1452 1 2 22 5 25 1503 1549 1512 1 3 46 5 26 1456 1540 1503 3 4 44 5 28 0953 1033 0959 1 2 40 5 Evaluated by J.Klimes