SECURITY
WEATHER BULLETIN FOR METAREA XX
ISSUED BY THE ARCTIC AND ANTARCTIC RESEARCH INSTITUTE
ST PETERSBURG ON THE 25 APRIL 2026 AT 0600UTC
PART 1
AT 250600UTC
GALE WARNING NIL
PART 2
SYNOPSIS AT 250600UTC
HIGH 1029 HPA 65N 012W INCREASE
HIGH 1034 HPA 77N 012W MOVING N 10 KMH INCREASE
LOW 988 HPA 67N 038E STATIONARY DEEPENING
LOW 1012 HPA 87N 070E STATIONARY
ICE AT 241200UTC
A3-A4
ICE N TO 7950N 00802E, 7950N 00848E, 7953N 01000E,
7954N 01024E, 7947N 01112E.
A4-B4
ICE E TO 7812N 01258E, 7807N 01249E, 7730N 01338E,
7700N 01412E.
B4
ICE NE TO 7700N 01412E, 7618N 01637E.
B4
ICE NW TO 7618N 01637E, 7641N 01808E.
B4-B5
ICE N TO 7641N 01808E, 7626N 01932E, 7626N 02000E,
7625N 02228E, 7603N 02345E, 7606N 02812E.
B5
ICE W TO 7606N 02812E, 7658N 02814E.
B5
ICE N TO 7658N 02814E, 7703N 03000E.
01020
ICE N TO 7703N 03000E, 7704N 03024E.
01020
ICE NW TO 7704N 03024E, 7751N 03216E.
01020
ICE NE TO 7751N 03216E, 7729N 03440E.
01020
ICE E TO 7729N 03440E, 7642N 03434E.
01020
ICE N TO 7642N 03434E, 7629N 03528E, 7631N 03652E,
7612N 03841E, 7619N 03939E, 7631N 03959E, 7635N 04055E,
7629N 04200E.
01020
ICE NW TO 7629N 04200E, 7710N 04358E.
01020
ICE N TO 7710N 04358E, 7711N 04536E, 7719N 04630E,
7711N 04730E, 7725N 04816E, 7732N 04924E.
01020-01010
ICE NE TO 7732N 04924E, 7724N 05000E, 7717N 05028E.
01010
ICE W TO 7717N 05028E, 7739N 05043E.
01010
ICE N TO 7739N 05043E, 7731N 05310E, 7750N 05438E,
7756N 05610E, 7745N 05657E, 7751N 05812E, 7730N 05913E,
7742N 06036E, 7740N 06210E, 7758N 06320E, 7756N 06415E.
01010
ICE E TO 7756N 06415E, 7742N 06354E, 7725N 06224E,
7719N 06223E.
01010
ICE NE TO 7719N 06223E, 7717N 06326E, 7704N 06344E.
01010
ICE NW TO 7704N 06344E, 7720N 06607E.
01010
ICE NE TO 7720N 06607E, 7711N 06635E.
01010
ICE S TO 7711N 06635E, 7703N 06600E, 7700N 06444E,
7647N 06420E, 7640N 06305E, 7655N 06041E, 7641N 05927E,
7626N 05845E, 7629N 05704E, 7619N 05546E, 7607N 05505E,
7609N 05356E, 7600N 05305E.
01010-01120-01130
ICE E TO 7600N 05305E, 7535N 05259E, 7514N 05315E,
7507N 05328E, 7500N 05317E, 7418N 05216E, 7412N 05253E,
7340N 05223E, 7314N 05114E, 7212N 05037E, 7140N 05056E,
7106N 05115E.
01130
ICE NE TO 7106N 05115E, 7027N 05320E, 7015N 05434E.
01130
ICE E TO 7015N 05434E, 6945N 05440E.
01130-01140
ICE SE TO 6945N 05440E, 6934N 05356E, 6911N 05231E,
6859N 05049E, 6839N 04952E, 6814N 04922E.
01140-01110
ICE S TO 6814N 04922E, 6828N 04816E, 6823N 04731E,
6838N 04634E, 6838N 04610E, 6836N 04402E, 6842N 04336E,
6841N 04324E.
01140
ICE NE TO 6853N 04813E, 6849N 04806E, 6840N 04825E,
6837N 04901E.
01140
ICE NW TO 6837N 04901E, 6840N 04940E, 6850N 04946E,
6856N 05006E, 6900N 05008E.
PART 3
FORECAST FROM 250600UTC TO 260600UTC
01010, 01020
WINDS N/E N 9 TO 14 MS
TEMP MINUS 3 TO MINUS 7 DEGREES
VIS 6 TO 10 KM IN SNOW 1 TO 2 KM
LOCALLY SNOW SEAS 1.5 TO 2.5 M
01100, 01110, 01120
WINDS N/E N 9 TO 14 MS
TEMP MINUS 2 TO PLUS 1 DEGREES
VIS 6 TO 10 KM IN SNOW 1 TO 2 KM
SOMETIMES SNOW SEAS 1.5 TO 2.5 M
01130
WINDS E S/E 7 TO 12 MS
TEMP MINUS 3 TO PLUS 2 DEGREES
VIS 3 TO 8 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY PRECIPITATION FOG
01140
WINDS E 7 TO 12 MS
TEMP MINUS 4 TO PLUS 1 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY PRECIPITATION FOG
01240, 01250
WINDS N/E N 8 TO 13 MS
TEMP MINUS 1 TO PLUS 2 DEGREES
VIS 6 TO 10 KM IN SNOW 1 TO 2 KM
SOMETIMES SNOW SEAS 1.5 TO 2.5 M
17021
WINDS S/E E 7 TO 12 MS
TEMP MINUS 4 TO PLUS 1 DEGREES
VIS 4 TO 9 KM IN FOG 0.3 TO 0.8 KM
LOCALLY WEAK SNOW FOG
17022
WINDS S/E E 9 TO 14 MS
TEMP MINUS 4 TO PLUS 1 DEGREES
VIS 4 TO 9 KM LOCALLY WEAK SNOW
17023
WINDS S/E E 7 TO 12 MS
TEMP MINUS 4 TO PLUS 1 DEGREES
VIS 4 TO 9 KM LOCALLY WEAK SNOW
17030
WINDS S/E E 11 TO 16 MS
TEMP MINUS 3 TO MINUS 8 DEGREES
VIS 4 TO 9 KM IN FOG 0.3 TO 0.8 KM
LOCALLY WEAK SNOW FOG
17062
WINDS S/E E 7 TO 12 MS
TEMP MINUS 5 TO MINUS 10 DEGREES
VIS 4 TO 9 KM
17063
WINDS S/E E 9 TO 14 MS
TEMP MINUS 1 TO MINUS 6 DEGREES
VIS 3 TO 8 KM IN SNOW 0.5 TO 1.0 KM
LOCALLY SNOW
17064
WINDS S/E E 7 TO 12 MS
TEMP MINUS 2 TO MINUS 7 DEGREES
VIS 4 TO 9 KM
17071
WINDS S/E 8 TO 13 MS
TEMP 0 TO MINUS 5 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY WEAK SNOW FOG
17073
WINDS S/E 8 TO 13 MS
TEMP MINUS 4 TO PLUS 1 DEGREES
VIS 3 TO 8 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY SNOW FOG
17090
WINDS S S/E 5 TO 10 MS
TEMP 0 TO MINUS 5 DEGREES
VIS 4 TO 9 KM LOCALLY 1 TO 2 KM
LOCALLY WEAK SNOW
NNNN