SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: JUNE       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.
   3    0708    0834    0722     2     4      86      5 
   5    0815    0930    0849     2     3      75      5
  15    0805    0838    0818     1     2      33      2a   UNCERTN
  16    1658    1719    1705     1     2      21      5    UNCERTN
  26    1551    1647    1603     1     2      56      5
  28    0330    0429    0348     1     2      59      5
  30    1512    1557    1521     1     2      45      5

        Evaluated by J.Klimes