SUDDEN  ENHANCEMENTS  OF  ATMOSPHERICS - SEA

Month: DECEMBER   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.
   7    0714    0756    0727     1     2      42      3
   9    1119    1202    1136     1     2      43      3
  20    1139    1242    1159     2     4      63      5
  21    1029    1058    1039     1     2      29      5
  22    0808    0832D   0818     1     2      24D     6
        0832    0900    0843     1     2      28      6
        0906    0923    0917     1     2      17      6
        1122    1156    1128     1     2      34      5
        1201    1310    1245     1     2      69      3
        1427    1509D   1434     2     4      42D     5
        1509    1535    1513     2     4      26      5
  23    0755    0816    0801     2     3      21      5
        0902    0925    0908     2     3      23      5
  25    0640    0655    0645     1     2      15      5    UNCERTN

       NO OBSERVATION 26.; 27.; 28.; 29.; 30.12.2013

       Evaluated by J.Klimes