SECURITY
WEATHER BULLETIN FOR METAREA XXI
ISSUED BY THE ARCTIC AND ANTARCTIC RESEARCH INSTITUTE
ST PETERSBURG ON THE 29 OCTOBER 2025 AT 0600UTC
PART 1
AT 290600UTC
GALE WARNING
17220
FROM 291800UTC TO 300600UTC
WINDS N/W GUSTS 17 TO 22 MS
PART 2
SYNOPSIS AT 290600UTC
LOW 1002 HPA 70N 110E STATIONARY FILLING
LOW 994 HPA 81N 160E STATIONARY FILLING
HIGH 1017 HPA 67N 150E MOVING E 20 KMH INCREASE
LOW 975 HPA 54N 164E MOVING E 30 KMH FILLING
ICE AT 281200UTC
17200
ICE NW TO 7126N 16900W, 7108N 16926W, 7055N 16947W, 7050N 17011W,
7048N 17053W.
17200
ICE NE TO 7048N 17053W, 7054N 17126W, 7113N 17213W, 7138N 17303W,
7141N 17332W.
17200-17220-17210
ICE W TO 7141N 17332W, 7130N 17408W, 7113N 17429W, 7037N 17454W,
7030N 17509W, 7025N 17520W, 7023N 17525W, 7012N 17536W,
7000N 17534W, 6951N 17520W, 6950N 17518W, 6944N 17445W,
6919N 17431W, 6910N 17410W, 6848N 17423W, 6831N 17424W,C
6816N 17419W.
17220
ICE SW TO 6816N 17419W, 6802N 17400W, 6757N 17350W, 6754N 17334W,
6739N 17237W, 6710N 17151W, 6647N 17115W, 6626N 17029W,
6610N 16957W.
PART 3
FORECAST FROM 290600UTC TO 300600UTC
17120
WINDS N/W W 7 TO 12 MS
TEMP MINUS 2 TO MINUS 7 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY SNOW FOG
17130
WINDS N/E N 9 TO 14 MS
TEMP MINUS 5 TO MINUS 10 DEGREES
VIS 3 TO 8 KM LOCALLY SNOW
17140
WINDS S 5 TO 10 MS AFTER 291800UTC W N/W 6 TO 11 MS
TEMP MINUS 5 TO MINUS 10 DEGREES
VIS 3 TO 5 KM LOCALLY PRECIPITATION
17151
WINDS S/W 7 TO 12 MS AFTER 291800UTC S S/W 9 TO 14 MS
TEMP MINUS 5 TO MINUS 10 DEGREES
VIS 3 TO 5 KM LOCALLY PRECIPITATION
LOCALLY 0.6 TO 0.8 KM FOG
17152
WINDS S S/W 8 TO 13 MS AFTER 300000UTC S/W 10 TO 15 MS
TEMP MINUS 4 TO MINUS 9 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
17153
WINDS S S/W 10 TO 15 MS
TEMP MINUS 7 TO MINUS 12 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
LOCALLY 0.6 TO 0.8 KM FOG
17154
WINDS S S/W 11 TO 16 MS
TEMP MINUS 6 TO MINUS 11 DEGREES
VIS 8 TO 10 KM
17161
WINDS W S/W 11 TO 16 MS
TEMP MINUS 5 TO MINUS 10 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
LOCALLY 0.6 TO 0.8 KM FOG
17162
WINDS S/W 11 TO 16 MS
TEMP MINUS 4 TO MINUS 9 DEGREES
VIS 3 TO 5 KM LOCALLY PRECIPITATION
LOCALLY 0.6 TO 0.8 KM FOG
17163
WINDS S S/W 10 TO 15 MS
TEMP MINUS 6 TO MINUS 11 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
LOCALLY 0.6 TO 0.8 KM FOG
17164
WINDS S S/W 10 TO 15 MS
TEMP MINUS 5 TO MINUS 10 DEGREES
VIS 8 TO 10 KM LOCALLY 0.6 TO 0.8 KM FOG
17165
WINDS S/W 9 TO 14 MS AFTER 300000UTC S/W 7 TO 12 MS
TEMP MINUS 8 TO MINUS 13 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
17170
WINDS W S/W 9 TO 14 MS
TEMP MINUS 6 TO MINUS 11 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
LOCALLY 0.6 TO 0.8 KM FOG
17181, 17191
WINDS S/W 11 TO 16 MS
TEMP MINUS 10 TO MINUS 15 DEGREES
VIS 2 TO 4 KM SNOW
17183
WINDS S/W 11 TO 16 MS
TEMP MINUS 10 TO MINUS 15 DEGREES
VIS 0.1 TO 0.9 KM SNOWSTORM
17184
WINDS S/W 11 TO 16 MS
TEMP MINUS 10 TO MINUS 15 DEGREES
VIS 1 TO 2 KM SNOWSTORM
17193
WINDS S/W 10 TO 15 MS
TEMP MINUS 7 TO MINUS 12 DEGREES
VIS 2 TO 4 KM SNOW
17194
WINDS S/W 10 TO 15 MS
TEMP MINUS 10 TO MINUS 15 DEGREES
VIS 2 TO 4 KM SNOW
17200
WINDS S/W 11 TO 16 MS
TEMP MINUS 10 TO MINUS 15 DEGREES
VIS 4 TO 6 KM HAZE
17210
WINDS S/W 10 TO 15 MS
TEMP MINUS 8 TO MINUS 13 DEGREES
VIS 4 TO 6 KM HAZE
17220
WINDS FROM 290600UTC TO 291800UTC N/W 10 TO 15 MS
FROM 291800UTC TO 300600UTC N/W 17 TO 22 MS
TEMP 0 TO MINUS 5 DEGREES
VIS 2 TO 4 KM HAZE
17230
WINDS N N/E 11 TO 16 MS
TEMP MINUS 5 TO MINUS 10 DEGREES
VIS 3 TO 8 KM LOCALLY IN SNOW 0.5 TO 1.0 KM LOCALLY SNOW
17241
WINDS N/W N OF NORTH 80N N/E 5 TO 10 MS GUSTS TO 13 MS
TEMP MINUS 10 TO MINUS 15 DEGREES
VIS 4 TO 10 KM LOCALLY WEAK SNOW
17243
WINDS W S/W 8 TO 13 MS AFTER 291800UTC W S/W 7 TO 12 MS
TEMP MINUS 5 TO MINUS 10 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
LOCALLY 0.6 TO 0.8 KM FOG
17244
WINDS W S/W 11 TO 16 MS
TEMP MINUS 4 TO MINUS 9 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
LOCALLY 0.6 TO 0.8 KM FOG
17260
WINDS N/E 10 TO 15 MS
TEMP MINUS 5 TO MINUS 10 DEGREES
VIS 2 TO 4 KM SNOW