SECURITY
WEATHER BULLETIN FOR METAREA XX
ISSUED BY THE ARCTIC AND ANTARCTIC RESEARCH INSTITUTE
ST PETERSBURG ON THE 20 AUGUST 2026 AT 0600UTC
PART 1
AT 200600UTC
STORM WARNING
17243
FROM 200600UTC TO 201800UTC
WINDS W N/W GUSTS 20 TO 25 MS
SEAS 2.6 TO 4.8 M
GALE WARNING
17110
FROM 200600UTC TO 210600UTC
WINDS W N/W GUSTS 17 MS
17120
FROM 200600UTC TO 200900UTC
WINDS W N/W W GUSTS 17 TO 19 MS
17151
FROM 200600UTC TO 201200UTC
WINDS N/W GUSTS 17 MS
17152
FROM 200600UTC TO 210000UTC
WINDS W N/W GUSTS 17 TO 20 MS
SEAS 2.2 TO 4.1 M
17243
FROM 201800UTC TO 210600UTC
WINDS W N/W GUSTS 17 TO 22 MS
SEAS 2.4 TO 4.5 M
PART 2
SYNOPSIS AT 200600UTC
LOW 992 HPA 64N 033E MOVING N 15 KMH FILLING
HIGH 1018 HPA 81N 067E MOVING E 15 KMH WEAKENS
HIGH 1023 HPA 76N 100E MOVING E S/E 5 KMH WEAKENS
HIGH 1022 HPA 72N 115E MOVING S S/E 10 KMH WEAKENS
LOW 986 HPA 79N 162E MOVING E 20 KMH DEEPENING
LOW 995 HPA 86N 179W MOVING W 20 KMH
ICE AT 191200UTC
A3-YERMAK PLATEAU-BANKS N SPITSBERGEN-BANKS N NORDAUSTLANDET
ICE N TO 7959N 00754E, 8000N 00757E, 8019N 00837E,
8014N 01100E, 8008N 01345E, 8027N 01550E, 8101N 02014E,
8049N 02201E, 8113N 02500E, 8052N 02704E, 8108N 03000E.
01020-17010-17290
ICE N TO 8108N 03000E, 8119N 03218E, 8138N 03407E,
8139N 03802E, 8157N 04000E, 8230N 04412E, 8237N 04513E,
8252N 04603E, 8250N 05049E.
17290
ICE W TO 8250N 05049E, 8338N 04935E, 8413N 05200E.
17290-17230
ICE N TO 8413N 05200E, 8440N 06029E, 8427N 07434E,
8340N 08451E, 8316N 09118E, 8242N 09509E, 8230N 09712E,
8138N 10404E, 8114N 10411E, 8003N 10835E, 8001N 11030E.
17230
ICE E TO 8001N 11030E, 7935N 10935E, 7916N 10939E.
17230
ICE S TO 7916N 10939E, 7923N 10738E, 7909N 10625E,
7930N 10216E, 7944N 10047E.
17230
ICE W TO 7944N 10047E, 8005N 10225E, 8026N 09954E,
8046N 10019E, 8053N 10243E, 8121N 09655E.
17230-17040
ICE E TO 8121N 09655E, 8120N 09554E, 8113N 08930E,
8036N 09121E, 8003N 09107E.
17040
ICE NE TO 7941N 09249E, 7916N 09223E, 7900N 09315E,
7908N 09442E.
17040
ICE E TO 7846N 09832E, 7752N 09833E.
17040
ICE S TO 7752N 09833E, 7808N 09431E, 7818N 09353E,
7813N 09303E.
17040-17050-17100
ICE E TO 7813N 09303E, 7803N 09314E, 7735N 09344E,
7726N 09607E, 7725N 09623E, 7722N 09538E, 7716N 09427E,
7654N 09247E, 7649N 09224E, 7623N 09433E, 7606N 09141E,
7538N 09105E.
17120
ICE W TO 7534N 11339E, 7528N 11444E, 7545N 11531E,
7600N 11500E, 7614N 11623E, 7635N 11550E, 7644N 11623E.
17120
ICE N TO 7644N 11623E, 7634N 11812E, 7609N 11934E,
7545N 11926E, 7539N 12110E, 7621N 12346E, 7627N 12500E.
PART 3
FORECAST FROM 200600UTC TO 210600UTC
01010, 01020
WINDS S/E S 6 TO 11 MS
TEMP PLUS 1 TO PLUS 6 DEGREES
VIS 6 TO 10 KM LOCALLY 1 TO 2 KM LOCALLY RAIN HAZE
SEAS 1.0 TO 2.0 M
01100, 01110, 01120
WINDS S/E E 8 TO 13 MS
TEMP PLUS 6 TO PLUS 11 DEGREES
VIS 6 TO 10 KM LOCALLY 1 TO 2 KM LOCALLY RAIN HAZE
SEAS 1.0 TO 2.0 M
01130
WINDS E S/E 10 TO 15 MS
TEMP PLUS 11 TO PLUS 16 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY WEAK RAIN FOG
SEAS 0.8 TO 1.5 M
01140
WINDS E S/E 10 TO 15 MS
TEMP PLUS 12 TO PLUS 17 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY WEAK RAIN FOG
SEAS 0.8 TO 1.3 M
01240, 01250
WINDS E N/E 9 TO 14 MS
TEMP PLUS 7 TO PLUS 12 DEGREES
VIS 6 TO 10 KM LOCALLY 1 TO 2 KM LOCALLY RAIN HAZE
SEAS 0.5 TO 1.0 M
17021
WINDS E S/E 9 TO 14 MS
TEMP PLUS 7 TO PLUS 12 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY WEAK RAIN FOG
SEAS 0.5 TO 1.2 M
17022
WINDS E S/E 7 TO 12 MS
TEMP PLUS 8 TO PLUS 13 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY FOG
SEAS 0.3 TO 0.8 M
17023
WINDS E S/E 9 TO 14 MS
TEMP PLUS 13 TO PLUS 18 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY FOG
SEAS 0.5 TO 1.0 M
17024
WINDS E S/E 6 TO 11 MS
TEMP PLUS 10 TO PLUS 15 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY WEAK RAIN FOG
SEAS 0.3 TO 0.8 M
17030
WINDS S S/E 9 TO 14 MS
TEMP PLUS 2 TO PLUS 7 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY WEAK RAIN FOG
SEAS 0.8 TO 1.6 M
17040
WINDS S 6 TO 11 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 3 TO 8 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY WEAK PRECIPITATION FOG
SEAS 0.8 TO 1.8 M
17050
WINDS S S/W 6 TO 11 MS
TEMP PLUS 1 TO PLUS 6 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY WEAK PRECIPITATION FOG
SEAS 0.7 TO 1.5 M
17061
WINDS E S/E 6 TO 11 MS
TEMP PLUS 4 TO PLUS 9 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY WEAK RAIN FOG
SEAS 0.3 TO 0.9 M
17062
WINDS S/E S 5 TO 10 MS
TEMP PLUS 5 TO PLUS 10 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY FOG
SEAS 0.5 TO 1.0 M
17063
WINDS E S/E 6 TO 11 MS
TEMP PLUS 7 TO PLUS 12 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY WEAK RAIN FOG
SEAS 0.3 TO 0.9 M
17064
WINDS S/E S 4 TO 9 MS
TEMP PLUS 7 TO PLUS 12 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY FOG
SEAS 0.3 TO 0.9 M
17071
WINDS E S/E 3 TO 8 MS
TEMP PLUS 13 TO PLUS 18 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY FOG
SEAS 0.2 TO 0.6 M
17072
WINDS E S/E 3 TO 8 MS
TEMP PLUS 11 TO PLUS 16 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY FOG
SEAS 0.2 TO 0.6 M
17073
WINDS E S/E 3 TO 8 MS
TEMP PLUS 15 TO PLUS 20 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY FOG
SEAS 0.1 TO 0.5 M
17090
WINDS E 3 TO 8 MS
TEMP PLUS 13 TO PLUS 18 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY FOG
SEAS 0.3 TO 0.8 M
17100
WINDS S 5 TO 10 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY FOG
17110
WINDS W N/W 9 TO 14 MS GUSTS 17 MS
TEMP 0 TO PLUS 5 DEGREES
VIS 3 TO 8 KM LOCALLY 0.3 TO 0.8 KM LOCALLY FOG
17120
WINDS W N/W 9 TO 14 MS
FROM 200600UTC TO 200900UTC GUSTS 17 TO 19 MS
TEMP 0 TO PLUS 5 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY WEAK PRECIPITATION FOG
SEAS 0.9 TO 1.5 M
17130
WINDS W N/W 7 TO 12 MS
TEMP PLUS 10 TO PLUS 15 DEGREES
VIS 4 TO 9 KM LOCALLY 0.4 TO 0.9 KM LOCALLY RAIN FOG
SEAS 0.4 TO 0.9 M
17140
WINDS N/W 10 TO 15 MS AFTER 201800UTC W 8 TO 13 MS
TEMP PLUS 4 TO PLUS 9 DEGREES
VIS 8 TO 10 KM
SEAS 1.6 TO 3.0 M AFTER 201800UTC 1.5 TO 2.7 M
17151
WINDS N/W 8 TO 13 MS GUSTS 17 MS
AFTER 201200UTC N/W 11 TO 16 MS
AFTER 210300UTC W 7 TO 12 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 2.2 TO 4.0 M AFTER 201200UTC 2.0 TO 3.8 M
AFTER 210300UTC 1.6 TO 3.0 M
17152
WINDS W N/W 8 TO 13 MS GUSTS 17 TO 20 MS
AFTER 210000UTC W N/W 11 TO 16 MS
TEMP PLUS 2 TO PLUS 7 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 2.2 TO 4.1 M AFTER 210000UTC 2.0 TO 3.6 M
17153
WINDS N/W 7 TO 12 MS AFTER 210000UTC W 5 TO 10 MS
TEMP PLUS 4 TO PLUS 9 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.2 TO 2.2 M AFTER 210000UTC 1.0 TO 1.8 M
17154
WINDS N/W 9 TO 14 MS AFTER 210300UTC W N/W 6 TO 11 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 1.8 TO 3.3 M AFTER 210300UTC 1.5 TO 2.7 M
17230
WINDS N/W W 11 TO 16 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 4 TO 9 KM LOCALLY 0.5 TO 1.0 KM
LOCALLY WEAK PRECIPITATION
17241
WINDS N/W N 6 TO 11 MS GUSTS 15 TO 16 MS
TEMP 0 TO MINUS 3 DEGREES
VIS 4 TO 10 KM LOCALLY WEAK PRECIPITATION
17243
WINDS W N/W 12 TO 17 MS GUSTS 20 TO 27 MS
AFTER 201800UTC W N/W 8 TO 13 MS GUSTS 17 TO 22 MS
TEMP MINUS 1 TO PLUS 4 DEGREES
VIS 4 TO 6 KM LOCALLY PRECIPITATION
SEAS 2.6 TO 4.8 M AFTER 201800UTC 2.4 TO 4.5 M
NNNN