SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: FEBRUARY   YEAR: 2003      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   0834   0853   0853    1     2     19     6    PREFLARE
       0853   1006   0903     3    4     73     1
       1331   1428   1343    1     2     57     3
   2   0849   1004   0857    1     2     75     3
       1352   1432   1403    1     2     40     3
   3   0851   0931   0905    1     2     40     3
       1204   1239   1224    1     2     35     3
   4   1203   1224   1214U   1     2     21     6
   6   1337   1443   1353    1     2     66     3    UNCERTN
   7   1011   1107   1019    1     2     56     5
       1236   1302D  1247    1     2     26D    6
       1302   1406   1311    1     2     64     5
       1426   1530   1445    1     2     64     3
  10   0950   1013   0957    1     2     23     6    UNCERTN
  12   1335   1417   1343U   1     2     42     3    UNCERTN
  14   0840   0906   0849    1     2     26     6
       0912   1005   0920    2     3     53     5
  15   0745   0859   0809    2     4     74     2a
       1132   1204   1139U   1     2     32     2a
  16   1234   1403   1327U   1     2     89     3
       1420   1448   1428    1     2     28     5
       1454   1525   1503    1     2     31     5
  19   0830   1111   0858U   1     2    161     3    UNCERTN
       1435   1520   1445    1     2     45     3
  20   1033   1317   1110    1     2    164     3
  21   1510   1533   1519    1     2     23     6
  22   1021U  1055   1039    1     2     34     3
  23   1443   1537   1452    1     2     54     3
  25   1112   1157   1130    1     2     45     3    UNCERTN
  27   0838   0913   0848    1     2     35     5
       1458   1542   1510    1     2     44     5

       Evaluated by L.Krivsky and J.Klimes