SECURITY
WEATHER BULLETIN FOR METAREA XXI
ISSUED BY THE ARCTIC AND ANTARCTIC RESEARCH INSTITUTE
ST PETERSBURG ON THE 01 AUGUST 2025 AT 1800UTC
PART 1
AT 011800UTC
GALE WARNING
17140
FROM 011800UTC TO 021200UTC
WINDS E N/E GUSTS 17 TO 21 MS
17151
FROM 011800UTC TO 021500UTC
WINDS N N/E GUSTS 17 TO 20 MS
SEAS 2.4 TO 4.4 M
17152
FROM 011800UTC TO 021800UTC
WINDS N N/E GUSTS 17 TO 19 MS
17153
FROM 020600UTC TO 021800UTC
WINDS N/E GUSTS 17 TO 19 MS
17154
FROM 021200UTC TO 021800UTC
WINDS N GUSTS 17 MS
17193
FROM 011800UTC TO 021800UTC
WINDS S/E 19 TO 24 MS
PART 2
SYNOPSIS AT 011800UTC
LOW 999 HPA 72N 127E MOVING E 25 KMH FILLING
LOW 996 HPA 85N 175E MOVING E 15 KMH FILLING
HIGH 1013 HPA 75N 175E MOVING E 25 KMH INCREASE
LOW 991 HPA 81N 127W MOVING E N/E 35 KMH FILLING
ICE AT 011200UTC
17220-17210
ICE SW TO 6705N 17357W, 6741N 17450W, 6749N 17520W,
6800N 17604W, 6829N 17751W, 6854N 17913W,
6917N 17935E, 6931N 17901E, 6946N 17910E.
17210
ICE N TO 6946N 17910E, 6928N 17844W, 6916N 17741W,
6913N 17649W.
17210-17220-17200-17260
ICE NW TO 6913N 17649W, 6926N 17621W, 6944N 17630W,
6958N 17636W, 6957N 17554W, 7029N 17520W,
7030N 17519W, 7036N 17512W, 7057N 17451W,
7116N 17418W, 7146N 17438W, 7200N 17442W,
7205N 17443W.
17260-17200
ICE NE TO 7205N 17443W, 7200N 17432W, 7149N 17410W,
7130N 17257W, 7126N 17145W, 7122N 17028W,
7108N 17004W.
17200
ICE SE TO 7108N 17004W, 7049N 17114W, 7045N 17216W,
7036N 17240W.
17200-17220
ICE N TO 7036N 17240W, 7030N 17222W, 7026N 17208W,
7014N 17109W, 7004N 17034W, 6957N 16927W,
6955N 16900W.
PART 3
FORECAST FROM 011800UTC TO 021800UTC
17120
WINDS N/W N 7 TO 12 MS
AFTER 021200UTC N/W W 7 TO 12 MS
TEMP PLUS 2 TO PLUS 7 DEGREES
VIS 4 TO 9 KM IN FOG 0.2 TO 0.7 KM
LOCALLY RAIN FOG
17130
WINDS N/E N 9 TO 14 MS
AFTER 021200UTC 7 TO 12 MS
TEMP PLUS 5 TO PLUS 10 DEGREES
VIS 3 TO 8 KM LOCALLY RAIN
17140
WINDS E N/E 7 TO 12 MS GUSTS 17 TO 21 MS
AFTER 021200UTC N 10 TO 15 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 2.0 TO 3.8 M AFTER 021200UTC 1.7 TO 3.1 M
17151
WINDS N N/E 7 TO 12 MS GUSTS 17 TO 20 MS
AFTER 021500UTC N 11 TO 16 MS
TEMP PLUS 2 TO PLUS 7 DEGREES
VIS 3 TO 5 KM LOCALLY PRECIPITATION
SEAS 2.4 TO 4.4 M AFTER 021500UTC 2.0 TO 3.8 M
17152
WINDS N N/E 7 TO 12 MS GUSTS 17 TO 19 MS
TEMP PLUS 2 TO PLUS 7 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
17153
WINDS E N/E 11 TO 16 MS
AFTER 020600UTC N/E 8 TO 13 MS GUSTS 17 TO 19 MS
TEMP PLUS 5 TO PLUS 10 DEGREES
VIS 3 TO 5 KM LOCALLY PRECIPITATION
SEAS 1.7 TO 3.1 M AFTER 020600UTC 1.8 TO 3.4 M
17154
WINDS E 6 TO 11 MS
AFTER 020300UTC N N/E 10 TO 15 MS
AFTER 021200UTC N 7 TO 12 MS GUSTS 17 MS
TEMP PLUS 4 TO PLUS 9 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.5 TO 2.7 M AFTER 020300UTC 1.8 TO 3.4 M
AFTER 021200UTC 2.0 TO 3.7 M
17161
WINDS E S/E 7 TO 12 MS
AFTER 020600UTC E N/E 8 TO 13 MS
TEMP 0 TO PLUS 5 DEGREES
VIS 3 TO 5 KM LOCALLY 0.6 TO 0.8 KM
LOCALLY PRECIPITATION FOG
17162
WINDS S S/E 7 TO 12 MS
AFTER 020600UTC E 5 TO 10 MS
TEMP 0 TO PLUS 5 DEGREES
VIS 4 TO 6 KM LOCALLY 0.6 TO 0.8 KM
LOCALLY PRECIPITATION FOG
17163
WINDS E S/E 7 TO 12 MS
AFTER 020000UTC E N/E 8 TO 13 MS
AFTER 021200UTC E N/E 10 TO 15 MS
TEMP PLUS 2 TO PLUS 7 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.3 TO 2.4 M AFTER 020000UTC 1.6 TO 3.0 M
AFTER 021200UTC 1.8 TO 3.3 M
17164
WINDS E 7 TO 12 MS
TEMP PLUS 2 TO PLUS 7 DEGREES
VIS 4 TO 6 KM LOCALLY 0.6 TO 0.8 KM
LOCALLY PRECIPITATION FOG
SEAS 1.0 TO 1.9 M
17165
WINDS E N/E 4 TO 9 MS
AFTER 020600UTC N/E 7 TO 12 MS
TEMP PLUS 6 TO PLUS 11 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.2 TO 2.2 M AFTER 020600UTC 1.6 TO 3.0 M
17170
WINDS E N/E 10 TO 15 MS
TEMP PLUS 5 TO PLUS 10 DEGREES
VIS 3 TO 5 KM LOCALLY 0.6 TO 0.8 KM
LOCALLY PRECIPITATION FOG
SEAS 1.5 TO 2.8 M
17181
WINDS S/E 10 TO 15 MS
TEMP MINUS 1 TO PLUS 4 DEGREES
VIS 10 KM
17183
WINDS S/E 11 TO 16 MS
TEMP PLUS 2 TO PLUS 7 DEGREES
VIS 2 TO 4 KM HAZE
17184
WINDS S/E 11 TO 16 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 10 KM
17191
WINDS S/E 11 TO 16 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 10 KM
17193
WINDS S/E 19 TO 24 MS
TEMP PLUS 10 TO PLUS 15 DEGREES
VIS 10 KM
17194
WINDS S/E 11 TO 16 MS
TEMP PLUS 7 TO PLUS 12 DEGREES
VIS 10 KM
17200
WINDS S/E 9 TO 14 MS
TEMP PLUS 1 TO PLUS 6 DEGREES
VIS 4 TO 6 KM HAZE
17210
WINDS S/E 11 TO 16 MS
TEMP PLUS 2 TO PLUS 7 DEGREES
VIS 4 TO 6 KM HAZE
17220
WINDS S/E 11 TO 16 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 0.5 TO 1.0 KM FOG
17230
WINDS W N/W 11 TO 16 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 4 TO 9 KM IN FOG 0.2 TO 0.7 KM
LOCALLY PRECIPITATION FOG
17241
WINDS N/W W AFTER 021200UTC W S/W 3 TO 8 MS
TEMP 0 TO MINUS 3 DEGREES
VIS 4 TO 10 KM
17243
WINDS N/W 8 TO 13 MS
TEMP 0 TO PLUS 5 DEGREES
VIS 4 TO 6 KM LOCALLY 0.6 TO 0.8 KM
LOCALLY PRECIPITATION FOG
SEAS 1.7 TO 3.1 M
17244
WINDS W S/W 5 TO 10 MS
AFTER 021200UTC N 6 TO 11 MS
TEMP 0 TO PLUS 5 DEGREES
VIS 4 TO 6 KM LOCALLY 0.6 TO 0.8 KM
LOCALLY PRECIPITATION FOG
SEAS 1.3 TO 2.5 M AFTER 021200UTC 1.5 TO 2.7 M
17260
WINDS S/E 9 TO 14 MS
TEMP MINUS 1 TO PLUS 4 DEGREES
VIS 10 KM