WSGR31 LGAT 061957 LGGG SIGMET T03 VALID 061957/062157 LGAT- LGGG ATHINAI FIR/UIR EMBD TS OBS N OF LINE N3954 E02043 - N3843 E02122 - N3837 E02022 - N3910 E02012 STNR NC=