SECURITY
WEATHER BULLETIN FOR METAREA XX
ISSUED BY THE ARCTIC AND ANTARCTIC RESEARCH INSTITUTE
ST PETERSBURG ON THE 26 AUGUST 2026 AT 0600UTC
PART 1
AT 260600UTC
STORM WARNING
01100
FROM 260600UTC TO 261800UTC
WINDS N/W 25 TO 27 MS
FROM 260600UTC TO 270600UTC
SEAS 2.5 TO 4.5 M
01110
FROM 260600UTC TO 270600UTC
WINDS N/W 25 TO 27 MS
SEAS 2.5 TO 4.5 M
GALE WARNING
01010, 01020
FROM 260600UTC TO 270600UTC
WINDS N 17 TO 18 MS
01100
FROM 260600UTC TO 261800UTC
WINDS N/W 25 TO 27 MS
FROM 261800UTC TO 270600UTC
WINDS N/W 17 TO 22 MS
FROM 260600UTC TO 270600UTC
SEAS 2.5 TO 4.5 M
01120
FROM 261200UTC TO 270600UTC
WINDS N/W N 17 TO 18 MS
SEAS 2.5 TO 4.5 M
01130
FROM 260600UTC TO 261200UTC
WINDS N/W GUSTS 17 TO 22 MS
FROM 261200UTC TO 270600UTC
WINDS N/W GUSTS 19 TO 24 MS
01140
FROM 260600UTC TO 270600UTC
WINDS N/W W GUSTS 17 TO 22 MS
01240, 01250
FROM 260600UTC TO 270600UTC
WINDS N/W 18 TO 23 MS
SEAS 2.0 TO 4.0 M
17024
FROM 262100UTC TO 270600UTC
WINDS W N/W GUSTS 17 TO 22 MS
17030
FROM 260900UTC TO 270600UTC
WINDS E N/E GUSTS 17 TO 20 MS
17040
FROM 262100UTC TO 270600UTC
WINDS N N/W GUSTS 17 MS
17050
FROM 260600UTC TO 261200UTC
WINDS N/E E GUSTS 17 TO 22 MS
FROM 261200UTC TO 261800UTC
WINDS N/E N GUSTS 19 TO 24 MS
17061
FROM 262100UTC TO 270600UTC
WINDS N N/E GUSTS 19 TO 24 MS
17062
FROM 260900UTC TO 270600UTC
WINDS N/E N GUSTS 17 TO 20 MS
17064
FROM 260900UTC TO 261800UTC
WINDS N/W W GUSTS 17 TO 20 MS
17071
FROM 260600UTC TO 261200UTC
WINDS N/W W GUSTS 17 TO 20 MS
FROM 270300UTC TO 270600UTC
WINDS N/E E GUSTS 17 TO 20 MS
17072
FROM 260600UTC TO 261200UTC
WINDS S S/W GUSTS 17 TO 22 MS
FROM 261200UTC TO 261500UTC
WINDS W N/W GUSTS 17 TO 22 MS
FROM 270300UTC TO 270600UTC
WINDS E N/E GUSTS 17 TO 20 MS
17073
FROM 260600UTC TO 261200UTC
WINDS S/W W GUSTS 17 TO 22 MS
17090
FROM 260600UTC TO 261200UTC
WINDS S/W S GUSTS 17 TO 22 MS
FROM 261200UTC TO 261800UTC
WINDS S/W W GUSTS 17 TO 22 MS
17100
FROM 260600UTC TO 261200UTC
WINDS N/E E GUSTS 17 TO 22 MS
FROM 261200UTC TO 262100UTC
WINDS N/E E GUSTS 19 TO 24 MS
17130
FROM 261800UTC TO 270600UTC
WINDS S/W W GUSTS 17 TO 22 MS
17140
FROM 270000UTC TO 270600UTC
WINDS S/W GUSTS 17 TO 22 MS
17151
FROM 270000UTC TO 270600UTC
WINDS S GUSTS 17 TO 19 MS
17153
FROM 260600UTC TO 261200UTC
WINDS W GUSTS 17 TO 20 MS
FROM 262100UTC TO 270600UTC
WINDS S/W GUSTS 19 TO 24 MS
17154
FROM 260600UTC TO 261200UTC
WINDS S/W GUSTS 17 TO 22 MS
FROM 270300UTC TO 270600UTC
WINDS S/W GUSTS 17 TO 22 MS
PART 2
SYNOPSIS AT 260600UTC
HIGH 1031 HPA 75N 002W MOVING E 20 KMH INCREASE
HIGH 1029 HPA 66N 014E MOVING N/E 20 KMH WEAKENS
LOW 998 HPA 76N 062E STATIONARY FILLING
LOW 990 HPA 72N 076E MOVING N/E 40 KMH DEEPENING
LOW 1000 HPA 80N 096E MOVING E 10 KMH FILLING
LOW 995 HPA 76N 123E MOVING E 30 KMH FILLING
ICE AT 251200UTC
A3-YERMAK PLATEAU
ICE W TO 7932N 00844E, 7959N 00953E, 8000N 00949E,
8014N 00847E.
YERMAK PLATEAU-LITKE TROUGH
ICE N TO 8014N 00847E, 8021N 01038E, 8024N 01059E,
8046N 01337E.
LITKE TROUGH-BANKS N SPITSBERGEN
ICE E TO 8046N 01337E, 8034N 01306E, 8008N 01204E,
8003N 01235E.
BANKS N SPITSBERGEN-BANKS N NORDAUSTLANDET
ICE N TO 8003N 01235E, 8031N 01545E, 8058N 01917E,
8116N 02059E, 8118N 02624E, 8124N 03000E.
01020-17010-17290-17040-17230-17120
ICE N TO 8124N 03000E, 8126N 03205E, 8156N 03814E,
8206N 04000E, 8220N 04246E, 8230N 04336E, 8238N 04418E,
8255N 04945E, 8344N 04952E, 8439N 06130E, 8356N 08305E,
8338N 08329E, 8316N 08545E, 8259N 09218E, 8230N 09452E,
8217N 09554E, 8213N 09612E, 8042N 10707E, 8022N 10611E,
7957N 10846E, 7951N 11053E, 7900N 11321E, 7837N 11420E,
7812N 11557E, 7728N 11730E, 7646N 12031E, 7623N 12149E.
17120
ICE SE TO 7623N 12149E, 7640N 11849E, 7621N 11843E.
17120
ICE N TO 7621N 11843E, 7553N 11944E, 7539N 12151E,
7553N 12500E.
17120
ICE N TO 7457N 11243E, 7448N 11339E, 7453N 11506E.
17120
ICE W TO 7453N 11506E, 7511N 11529E, 7559N 11543E,
7622N 11653E, 7641N 11643E, 7707N 11459E, 7719N 11516E.
17120-17110
ICE S TO 7719N 11516E, 7728N 11422E, 7732N 11237E,
7806N 10900E, 7821N 10715E, 7831N 10646E, 7812N 10430E.
17110
ICE NE TO 7812N 10430E, 7757N 10509E.
17110-17040
ICE S TO 7757N 10509E, 7752N 10308E, 7745N 10221E,
7744N 10119E, 7737N 10022E, 7748N 09829E, 7748N 09827E,
7749N 09550E.
17040-17050-17100
ICE E TO 7749N 09550E, 7741N 09541E, 7718N 09516E,
7708N 09505E, 7602N 09220E, 7546N 09231E.
17230
ICE NW TO 7955N 09945E, 7952N 10204E, 7956N 10234E,
8113N 09736E.
17230-17040
ICE S TO 8113N 09736E, 8124N 09554E, 8127N 09527E,
8119N 09204E, 8114N 09050E.
PART 3
FORECAST FROM 260600UTC TO 270600UTC
01010, 01020
WINDS N 17 TO 18 MS
TEMP PLUS 1 TO PLUS 4 DEGREES
VIS 6 TO 10 KM VIS IN RAIN 1 TO 2 KM LOCALLY RAIN
SEAS 2.0 TO 3.0 M
01100
WINDS N/W 25 TO 27 MS
AFTER 261800UTC N/W 17 TO 22 MS
TEMP PLUS 6 TO PLUS 11 DEGREES
VIS 6 TO 10 KM VIS IN RAIN 1 TO 2 KM LOCALLY RAIN
SEAS 2.5 TO 4.5 M
01110
WINDS N/W 25 TO 27 MS
TEMP PLUS 6 TO PLUS 11 DEGREES
VIS 6 TO 10 KM VIS IN RAIN 1 TO 2 KM LOCALLY RAIN
SEAS 2.5 TO 4.5 M
01120
WINDS N N/E 9 TO 14 MS
AFTER 261200UTC N/W N 17 TO 18 MS
TEMP PLUS 6 TO PLUS 11 DEGREES
VIS 6 TO 10 KM VIS IN RAIN 1 TO 2 KM LOCALLY RAIN
SEAS 2.5 TO 4.5 M
01130
WINDS N/W 11 TO 16 MS GUSTS 17 TO 22 MS
AFTER 261200UTC N/W 11 TO 16 MS GUSTS 19 TO 24 MS
TEMP PLUS 8 TO PLUS 13 DEGREES
VIS 4 TO 9 KM LOCALLY 0.5 TO 1.0 KM LOCALLY RAIN
SEAS 2.0 TO 3.0 M AFTER 261200UTC 2.0 TO 3.5 M
01140
WINDS N/W W 11 TO 16 MS GUSTS 17 TO 22 MS
TEMP PLUS 9 TO PLUS 14 DEGREES
VIS 4 TO 9 KM LOCALLY 0.5 TO 1.0 KM LOCALLY RAIN
SEAS 1.5 TO 2.8 M
01240, 01250
WINDS N/W 18 TO 23 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 6 TO 10 KM LOCALLY RAIN
SEAS 2.0 TO 4.0 M
17021
WINDS N/W W 11 TO 16 MS
AFTER 261200UTC W S/W 9 TO 14 MS
AFTER 270000UTC N/W W 7 TO 12 MS
AFTER 270300UTC N N/E 8 TO 13 MS
TEMP PLUS 6 TO PLUS 11 DEGREES
VIS 4 TO 9 KM LOCALLY 0.5 TO 1.0 KM LOCALLY RAIN
SEAS 1.5 TO 2.5 M AFTER 261200UTC 1.0 TO 1.5 M
AFTER 270000UTC 0.7 TO 1.2 M AFTER 270300UTC 0.8 TO 1.3 M
17022
WINDS N/W W 9 TO 14 MS
AFTER 261800UTC W S/W 7 TO 12 MS
AFTER 270000UTC S S/W 3 TO 8 MS
AFTER 270300UTC E N/E 5 TO 10 MS
TEMP PLUS 8 TO PLUS 13 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY RAIN FOG
SEAS 1.0 TO 2.0 M AFTER 261800UTC 0.8 TO 1.3 M
AFTER 270000UTC 0.4 TO 0.9 M AFTER 270300UTC 0.6 TO 1.1 M
17023
WINDS N/W W 11 TO 16 MS
AFTER 261200UTC W S/W 9 TO 14 MS
AFTER 270000UTC S/W W 7 TO 12 MS
TEMP PLUS 8 TO PLUS 13 DEGREES
VIS 4 TO 9 KM LOCALLY 0.5 TO 1.0 KM LOCALLY RAIN
SEAS 1.5 TO 2.5 M AFTER 261200UTC 1.0 TO 2.0 M
AFTER 270000UTC 0.8 TO 1.5 M
17024
WINDS W N/W 9 TO 14 MS
AFTER 261200UTC N/W N 7 TO 12 MS
AFTER 262100UTC W N/W 10 TO 15 MS GUSTS 17 TO 22 MS
TEMP PLUS 12 TO PLUS 17 DEGREES
VIS 4 TO 9 KM LOCALLY 0.5 TO 1.0 KM LOCALLY RAIN
SEAS 1.2 TO 2.2 M AFTER 261200UTC 0.8 TO 1.6 M
AFTER 262100UTC 1.4 TO 2.8 M
17030
WINDS E S/E 11 TO 16 MS
AFTER 260900UTC E N/E 11 TO 16 MS GUSTS 17 TO 20 MS
TEMP PLUS 4 TO PLUS 9 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY PRECIPITATION FOG
SEAS 1.3 TO 2.3 M AFTER 260900UTC 1.8 TO 2.8 M
17040
WINDS N/W N 7 TO 12 MS
AFTER 261200UTC N N/E 11 TO 16 MS
AFTER 262100UTC N N/W 11 TO 16 MS GUSTS 17 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 3 TO 8 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY PRECIPITATION FOG
SEAS 0.8 TO 1.6 AFTER 261200UTC 1.3 TO 2.3 M
AFTER 262100UTC 1.3 TO 2.5 M
17050
WINDS N/E E 9 TO 14 MS GUSTS 17 TO 22 MS
AFTER 261200UTC N/E N 11 TO 16 MS GUSTS 19 TO 24 MS
AFTER 261800UTC N/E N 11 TO 16 MS
TEMP PLUS 2 TO PLUS 7 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY PRECIPITATION
SEAS 1.5 TO 2.2 M AFTER 261200UTC 2.0 TO 3.0 M
17061
WINDS W N/W 7 TO 12 MS
AFTER 262100UTC N N/E 7 TO 12 MS GUSTS 19 TO 24 MS
TEMP PLUS 5 TO PLUS 10 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY RAIN FOG
SEAS 0.8 TO 1.6 M AFTER 262100UTC 1.2 TO 1.8 M
17062
WINDS N/E E 9 TO 14 MS
AFTER 260900UTC N/E N 9 TO 14 MS GUSTS 17 TO 20 MS
TEMP PLUS 7 TO PLUS 12 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY RAIN THUNDERSTORM FOG
SEAS 0.9 TO 1.6 M AFTER 260900UTC 1.2 TO 2.2 M
17063
WINDS W N/W 9 TO 14 MS
AFTER 262100UTC W N/W 7 TO 12 MS
TEMP PLUS 7 TO PLUS 12 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY RAIN FOG
SEAS 1.2 TO 2.2 M AFTER 262100UTC 1.0 TO 2.0 M
17064
WINDS N/E E 9 TO 14 MS
AFTER 260900UTC N/W W 9 TO 14 MS GUSTS 17 TO 20 MS
AFTER 261800UTC N/W W 9 TO 14 MS
AFTER 270000UTC E S/E 7 TO 12 MS
TEMP PLUS 7 TO PLUS 12 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY RAIN THUNDERSTORM FOG
SEAS 1.0 TO 2.0 M AFTER 260900UTC 1.6 TO 2.6 M
AFTER 270000UTC 0.8 TO 1.6 M
17071
WINDS N/W W 11 TO 16 MS GUSTS 17 TO 20 MS
AFTER 261200UTC N/W W 9 TO 14 MS
AFTER 261800UTC W S/W 5 TO 10 MS
AFTER 270000UTC E N/E 5 TO 10 MS
AFTER 270300UTC N/E E 11 TO 16 MS GUSTS 17 TO 20 MS
TEMP PLUS 9 TO PLUS 14 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY RAIN THUNDERSTORM FOG
SEAS 1.0 TO 1.5 M AFTER 261200UTC 0.4 TO 0.9 M
AFTER 261800UTC 0.4 TO 0.9 M AFTER 270300UTC 1.0 TO 1.8 M
17072
WINDS S S/W 9 TO 14 MS GUSTS 17 TO 22 MS
AFTER 261200UTC W N/W 9 TO 14 MS GUSTS 17 TO 22 MS
AFTER 261500UTC W S/W 8 TO 13 MS
AFTER 270000UTC W S/W 5 TO 10 MS
AFTER 270300UTC E N/E 9 TO 14 MS GUSTS 17 TO 20 MS
TEMP PLUS 10 TO PLUS 15 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY RAIN FOG
SEAS 1.0 TO 1.5 M AFTER 261200UTC 1.0 TO 1.5 M
AFTER 261500UTC 0.7 TO 1.1 M AFTER 270000UTC 0.4 TO 0.9 M
AFTER 270300UTC 1.0 TO 1.8 M
17073
WINDS S/W W 9 TO 14 MS GUSTS 17 TO 22 MS
AFTER 261800UTC N/E E 5 TO 10 MS
AFTER 270000UTC S/E 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 RAIN THUNDERSTORM FOG
SEAS 1.0 TO 1.3 M AFTER 261200UTC 0.5 TO 1.0 M
AFTER 261800UTC 0.5 TO 1.0 M AFTER 270000UTC 0.9 TO 1.4 M
17090
WINDS S/W S 9 TO 14 MS GUSTS 17 TO 22 MS
AFTER 261200UTC S/W W 9 TO 14 MS GUSTS 17 TO 22 MS
AFTER 261800UTC S/W W 9 TO 14 MS
TEMP PLUS 14 TO PLUS 19 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY RAIN THUNDERSTORM FOG
SEAS 1.1 TO 1.7 M AFTER 261200UTC 0.7 TO 1.2 M
AFTER 261800UTC 1.2 TO 1.8 M
17100
WINDS N/E E 9 TO 14 MS GUSTS 17 TO 22 MS
AFTER 261200UTC N/E E 11 TO 16 MS GUSTS 19 TO 24 MS
AFTER 262100UTC N N/W 11 TO 16 MS
TEMP PLUS 5 TO PLUS 10 DEGREES
LOCALLY 0 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM LOCALLY RAIN FOG
17110
WINDS N/W W 6 TO 11 MS
AFTER 261500UTC N/E N 9 TO 14 MS
AFTER 270000UTC N N/W 9 TO 14 MS
TEMP MINUS 1 TO PLUS 4 DEGREES
VIS 3 TO 8 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY PRECIPITATION FOG
17120
WINDS W N/W 7 TO 12 MS
AFTER 261200UTC W S/W 5 TO 10 MS
AFTER 261500UTC S S/E 7 TO 12 MS
AFTER 262100UTC S S/E 10 TO 15 MS
AFTER 270300UTC N/W W 10 TO 15 MS
TEMP MINUS 1 TO PLUS 4 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY PRECIPITATION FOG
SEAS 0.8 TO 1.5 M AFTER 261200UTC 0.4 TO 0.9 M
AFTER 261500UTC 0.8 TO 1.5 M AFTER 262100UTC 1.2 TO 2.0 M
17130
WINDS S/W W 9 TO 14 MS
AFTER 261800UTC S/W W 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP PLUS 9 TO PLUS 14 DEGREES
VIS 4 TO 9 KM LOCALLY 0.4 TO 0.9 KM LOCALLY RAIN FOG
SEAS 0.8 TO 1.4 M AFTER 261800UTC 1.0 TO 1.8 M
17140
WINDS N/W 8 TO 13 MS
AFTER 261500UTC S 11 TO 16 MS
AFTER 270000UTC S/W 8 TO 13 MS GUSTS 17 TO 22 MS
TEMP PLUS 4 TO PLUS 9 DEGREES
VIS 3 TO 5 KM LOCALLY PRECIPITATION
SEAS 1.5 TO 2.7 M AFTER 261500UTC 1.4 TO 2.6 M
AFTER 270000UTC 1.9 TO 3.5 M
17151
WINDS W N/W 9 TO 14 MS
AFTER 270000UTC S 7 TO 12 MS GUSTS 17 TO 19 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 3 TO 5 KM LOCALLY PRECIPITATION
SEAS 1.9 TO 3.5 M AFTER 270000UTC 2.0 TO 3.6 M
17152
WINDS W N/W 11 TO 16 MS
AFTER 261200UTC W N/W 6 TO 11 MS
AFTER 270000UTC S S/W 11 TO 16 MS
TEMP PLUS 2 TO PLUS 7 DEGREES
VIS 3 TO 5 KM LOCALLY PRECIPITATION
SEAS 2.0 TO 3.6 M AFTER 261200UTC 1.5 TO 2.7 M
AFTER 270000UTC 1.9 TO 3.5 M
17153
WINDS W 7 TO 12 MS GUSTS 17 TO 20 MS
AFTER 261200UTC W 10 TO 15 MS
AFTER 262100UTC S/W 9 TO 14 MS GUSTS 19 TO 24 MS
TEMP PLUS 4 TO PLUS 9 DEGREES
VIS 3 TO 5 KM LOCALLY PRECIPITATION
SEAS 1.7 TO 3.2 M AFTER 261200UTC 1.4 TO 2.6 M
AFTER 262100UTC 2.0 TO 3.6 M
17154
WINDS S/W 8 TO 13 MS GUSTS 17 TO 22 MS
AFTER 261200UTC W 10 TO 15 MS
AFTER 270300UTC S/W 7 TO 12 MS GUSTS 17 TO 22 MS
TEMP PLUS 3 TO PLUS 8 DEGREES
VIS 3 TO 5 KM LOCALLY PRECIPITATION
SEAS 2.0 TO 3.7 M AFTER 261200UTC 1.4 TO 2.6 M
AFTER 270300UTC 2.0 TO 3.7 M
17230
WINDS N/W W 7 TO 12 MS
AFTER 261500UTC N/W N 9 TO 14 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 4 TO 9 KM LOCALLY 0.3 TO 0.8 KM
LOCALLY PRECIPITATION FOG
17241
WINDS S/W S 5 TO 10 MS
AFTER 261800UTC S/E S 4 TO 9 MS
TEMP MINUS 1 TO MINUS 4 DEGREES
VIS 3 TO 8 KM LOCALLY 2 KM LOCALLY SNOW
17243
WINDS S/E 8 TO 13 MS
AFTER 261200UTC W 7 TO 12 MS
AFTER 270000UTC S S/E 10 TO 15 MS
TEMP MINUS 1 TO PLUS 4 DEGREES
VIS 3 TO 5 KM LOCALLY PRECIPITATION
SEAS 1.7 TO 3.2 M AFTER 261200UTC 1.6 TO 3.0 M
AFTER 270000UTC 2.0 TO 3.6 M
NNNN