SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: MAY        YEAR: 2013      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    0724    0759    0741     1     3      35      2a
        1410    1443    1420     1     3      33      5
   2    0502    0537    0509     2     3      35      5
   3    1728    1812    1736     1     2      44      5
   4    0754    0816    0805     1     2      22      6
        1223    1356    1240     1     3      93      5
   5    0642    0710    0647     2     3      28      5
        1752    1819    1800     1     2      27      6
  10    1237    1330    1258     1     3      53      2b
  13    0801    0824    0807     1     2      23      5
        0832    0853    0838     1     2      21      5
        1155    1233    1206     1     3      38      5
        1434    1548    1443U    1     2      74      5    PREFLARE
        1548    1733    1606     3     4     105      1
  17    0846    1014    0857     3     3      88      5
  20    0519    0632    0548U    2     3      73      2a
  22    1301    1456    1333     1     3     115      5
  23    1447    1512    1454     1     2      25      5
        1528    1557    1533     1     2      29      5

        NO OBSERVATION  19. and 26.MAY

        Evaluated by J.Klimes