SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: OCTOBER    YEAR: 2009      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.
  20   0837    0933   0858   1     2     56     3              
  24   1110    1146   1124   1     2     36     2a            
  26   1415    1507   1438   1     2     52     3
  27   0925    1050   1011   1     2     85     3
  30   0944    1059   1003U  1     2     75     3
  31   0914    0955   0936   1     2     41     3 

  NO OBSERVED 29. 0715  1305

       Evaluated by J.Klimes