SECURITY
WEATHER BULLETIN FOR METAREA XX
ISSUED BY THE ARCTIC AND ANTARCTIC RESEARCH INSTITUTE
ST PETERSBURG ON THE 07 MAY 2025 AT 0600UTC

PART 1
AT 070600UTC

STORM WARNING

01140
FROM 071800UTC TO 080600UTC
WINDS N/E N GUSTS 17 TO 22 MS

17021
FROM 071200UTC TO 080600UTC
WINDS E N/E GUSTS 17 TO 22 MS

17022, 17023
FROM 071000UTC TO 080600UTC
WINDS E N/E GUSTS 17 TO 22 MS

17030
FROM 071200UTC TO 080600UTC
WINDS E N/E GUSTS 17 TO 20 MS

17062
FROM 070900UTC TO 071800UTC
WINDS S/E E GUSTS 17 TO 20 MS
FROM 071800UTC TO 080600UTC
WINDS E N/E GUSTS 17 TO 20 MS

17063
FROM 070900UTC TO 080600UTC
WINDS E N/E GUSTS 17 TO 22 MS

17064
FROM 070900UTC TO 071800UTC
WINDS S/E E GUSTS 17 TO 22 MS
FROM 071800UTC TO 080600UTC
WINDS E N/E GUSTS 17 TO 22 MS

17071, 17073
FROM 070600UTC TO 071800UTC
WINDS S/E E GUSTS 17 TO 22 MS
FROM 071800UTC TO 080600UTC
WINDS E N/E GUSTS 17 TO 22 MS

17090
FROM 070700UTC TO 071800UTC
WINDS S/E E GUSTS 17 TO 22 MS
FROM 071800UTC TO 080600UTC
WINDS E N/E GUSTS 17 TO 22 MS

PART 2
SYNOPSIS AT 070600UTC

LOW 995 HPA 67N 057E MOVING E 10 KMH FILLING
LOW 990 HPA 66N 070E MOVING N/E 50 KMH DEEPENING
HIGH 1028 HPA 80N 120E STATIONARY INCREASE

ICE AT 061200UTC

A3-A4
ICE N TO 7928N 00857E, 7925N 01000E, 7925N 01022E.

A4-B4
ICE E TO 7925N 01022E, 7911N 01056E, 7854N 01116E, 7843N 01126E,
7826N 01212E, 7809N 01256E, 7739N 01331E, 7730N 01338E,
7717N 01349E, 7654N 01455E, 7639N 01529E, 7625N 01535E,
7603N 01512E, 7552N 01511E.

B4
ICE N TO 7552N 01511E, 7559N 01715E, 7553N 01804E.

B4-C4
ICE E TO 7553N 01804E, 7541N 01831E, 7525N 01841E, 7500N 01831E,
7446N 01825E, 7417N 01806E, 7359N 01822E, 7350N 01841E,
7350N 01841E.

C4-C5-B5
ICE NW TO 7350N 01841E, 7356N 01937E, 7359N 02000E, 7407N 02054E,
7417N 02222E, 7442N 02422E, 7455N 02450E, 7500N 02515E,
7518N 02655E.

B5
ICE N TO 7518N 02655E, 7520N 02840E, 7516N 03000E.

01020-01100
ICE NE TO 7516N 03000E, 7515N 03010E, 7503N 03234E, 7500N 03247E,
7452N 03320E, 7443N 03407E, 7436N 03516E.

01100
ICE N TO 7436N 03516E, 7438N 03622E, 7442N 03724E.

01100
ICE NE TO 7442N 03724E, 7418N 03958E.

01100-01110-01020
ICE NW TO 7418N 03958E, 7429N 04209E, 7451N 04320E, 7458N 04346E,
7500N 04349E, 7543N 04506E, 7601N 04721E.

01020
ICE NE TO 7601N 04721E, 7551N 04927E.

01020-01010
ICE NW TO 7551N 04927E, 7557N 05000E, 7606N 05053E, 7647N 05202E.

01010
ICE SW TO 7647N 05202E, 7655N 05124E, 7715N 05018E, 7736N 05014E.

01010
ICE N TO 7736N 05014E, 7749N 05230E, 7754N 05522E, 7750N 05820E.

01010
ICE E TO 7750N 05820E, 7744N 05825E, 7726N 05758E, 7710N 05721E,
7701N 05739E, 7701N 05741E, 7702N 05739E.

01010
ICE NW TO 7702N 05739E, 7713N 05919E, 7726N 06055E, 7748N 06230E.

01010
ICE W TO 7748N 06230E, 7758N 06233E, 7811N 06211E.

01010-17030
ICE N TO 7811N 06211E, 7825N 06405E, 7819N 06621E, 7819N 06846E,
7822N 06939E, 7821N 07000E, 7819N 07036E, 7805N 07125E,
7805N 07128E, 7804N 07128E.

17030-01010
ICE SE TO 7804N 07128E, 7750N 07112E, 7744N 07000E, 7742N 06940E.

01010
ICE E TO 7742N 06940E, 7726N 06954E, 7714N 06938E.

01010
ICE S TO 7714N 06938E, 7710N 06756E, 7651N 06516E, 7646N 06356E,
7644N 06244E, 7637N 06204E, 7633N 06107E, 7635N 06018E,
7630N 05919E, 7622N 05841E, 7623N 05749E, 7634N 05657E,
7636N 05605E, 7633N 05454E.

01010
ICE E TO 7633N 05454E, 7621N 05422E, 7602N 05410E, 7550N 05428E.

01010
ICE N TO 7550N 05428E, 7548N 05532E.

01010-01120
ICE E TO 7548N 05532E, 7539N 05550E, 7535N 05545E, 7532N 05548E,
7524N 05602E, 7506N 05528E, 7500N 05507E, 7448N 05424E,
7436N 05403E, 7427N 05410E, 7410N 05351E, 7353N 05253E,
7337N 05251E, 7327N 05237E, 7319N 05237E, 7249N 05218E,
7206N 05200E.

01130
ICE NE TO 7129N 05208E, 7122N 05225E.

01130
ICE NE TO 7106N 05310E, 7055N 05345E.

01130
ICE N TO 7035N 05516E, 7027N 05637E, 7027N 05728E, 7023N 05749E.

01130-01140
ICE E TO 7023N 05749E, 7001N 05759E, 6952N 05753E, 6952N 05752E,
6924N 05730E.

01140
ICE S TO 6924N 05730E, 6919N 05653E, 6922N 05627E, 6918N 05529E,
6917N 05456E.

01140
ICE SE TO 6917N 05456E, 6900N 05416E.

01140
ICE SE TO 6836N 05219E, 6834N 05213E.

01140
ICE S TO 6829N 05137E, 6829N 05127E.

01140
ICE SE TO 6823N 05049E, 6822N 05048E.

01140
ICE NW TO 6846N 04908E, 6847N 04932E, 6857N 05006E, 6900N 05014E,
6904N 05016E.

PART 3
FORECAST FROM 070600UTC TO 080600UTC

01010, 01020, 01100, 01110, 01120
WINDS E N/E 9 TO 14 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 6 TO 10 KM VIS IN SNOW 1 TO 2 KM SOMETIMES SNOW
SEAS 1.0 TO 2.0 M

01130
WINDS N N/W 9 TO 14 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 3 TO 8 KM VIS IN PRECIPITATION 0.5 TO 1.0 KM
LOCALLY PRECIPITATION

01140
WINDS N/E N 9 TO 14 MS
AFTER 071800UTC N/E N 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 3 TO 8 KM VIS IN PRECIPITATION IN FOG 0.5 TO 1.0 KM
LOCALLY PRECIPITATION FOG

01240, 01250
WINDS N/W 11 TO 16 MS
TEMP 0 TO PLUS 3 DEGREES
VIS 6 TO 10 KM VIS IN SNOW 1 TO 2 KM SOMETIMES SNOW
SEAS 1.5 TO 2.0 M

17021
WINDS E N/E 11 TO 16 MS
AFTER 071200UTC E N/E 11 TO 16 MS GUSTS 17 TO 22 MS
TEMP 0 TO MINUS 5 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.2 TO 0.7 KM LOCALLY SNOW FOG

17022
WINDS E N/E 9 TO 14 MS
AFTER 071000UTC E N/E 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP 0 TO MINUS 5 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.2 TO 0.7 KM LOCALLY FOG

17023
WINDS S/E E 11 TO 16 MS
AFTER 071000UTC E N/E 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP 0 TO MINUS 5 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.2 TO 0.7 KM LOCALLY FOG

17030
WINDS E N/E 11 TO 16 MS
AFTER 071200UTC E N/E 11 TO 16 MS GUSTS 17 TO 20 MS
TEMP MINUS 2 TO MINUS 7 DEGREES
VIS 4 TO 9 KM LOCALLY PRECIPITATION

17062
WINDS S/E E 9 TO 14 MS
AFTER 070900UTC S/E E 9 TO 14 MS GUSTS 17 TO 20 MS
AFTER 071800UTC E N/E 9 TO 14 MS GUSTS 17 TO 20 MS
TEMP MINUS 2 TO MINUS 7 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM LOCALLY FOG

17063
WINDS E N/E 9 TO 14 MS
AFTER 070900UTC E N/E 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP MINUS 1 TO MINUS 6 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM LOCALLY FOG

17064
WINDS S/E E 9 TO 14 MS
AFTER 070900UTC S/E E 9 TO 14 MS GUSTS 17 TO 22 MS
AFTER 071800UTC E N/E 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP MINUS 2 TO MINUS 7 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM LOCALLY FOG

17071
WINDS S/E E 9 TO 14 MS GUSTS 17 TO 22 MS
AFTER 071800UTC E N/E 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP MINUS 4 TO PLUS 1 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM LOCALLY FOG

17073
WINDS S/E E 9 TO 14 MS GUSTS 17 TO 22 MS
AFTER 071800UTC E N/E 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP 0 TO MINUS 5 DEGREES
VIS 4 TO 9 KM PRECIPITATION

17090
WINDS S/E E 9 TO 14 MS
AFTER 070700UTC S/E E 9 TO 14 MS GUSTS 17 TO 22 MS
AFTER 071800UTC E N/E 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM LOCALLY FOG
NNNN

SECURITY
WEATHER BULLETIN FOR METAREA XX
ISSUED BY THE ARCTIC AND ANTARCTIC RESEARCH INSTITUTE
ST PETERSBURG ON THE 07 MAY 2025 AT 1800UTC

PART 1
AT 071800UTC

STORM WARNING

01140
FROM 071800UTC TO 081800UTC
WINDS N/E N GUSTS 18 MS

17021, 17023
FROM 071800UTC TO 081800UTC
WINDS N/E N GUSTS 17 TO 22 MS

17022
FROM 071800UTC TO 081800UTC
WINDS N/E GUSTS 17 TO 22 MS

17062
FROM 071800UTC TO 081800UTC
WINDS E N/E GUSTS 17 TO 20 MS

17063, 17064, 17071, 17090
FROM 071800UTC TO 081800UTC
WINDS E N/E GUSTS 17 TO 22 MS

17073
FROM 071800UTC TO 081500UTC
WINDS E N/E GUSTS 17 TO 22 MS

PART 2
SYNOPSIS AT 071800UTC

LOW 984 HPA 75N 032W MOVING N 10 KMH DEEPENING
LOW 993 HPA 68N 070E STATIONARY FILLING
LOW 994 HPA 67N 082E MOVING E 10 KMH
HIGH 1028 HPA 80N 086E MOVING W 10 KMH
HIGH 1026 HPA 82N 166E STATIONARY

ICE AT 071200UTC

A3-A4-B4-C4
ICE NE TO 7925N 00859E, 7924N 01000E, 7924N 01033E, 7844N 01123E,
7806N 01302E, 7800N 01252E, 7739N 01343E, 7730N 01338E,
7721N 01333E, 7648N 01513E, 7629N 01522E, 7618N 01501E,
7601N 01517E, 7553N 01806E, 7515N 01835E, 7500N 01826E,
7440N 01813E, 7419N 01738E, 7342N 01825E.

C4-C5-B5
ICE NW TO 7342N 01825E, 7353N 02000E, 7401N 02123E, 7447N 02436E,
7500N 02621E, 7514N 02821E, 7515N 03000E.

01020-01100
ICE NE TO 7515N 03000E, 7516N 03043E, 7500N 03219E, 7442N 03359E,
7428N 03647E, 7432N 03945E.


01020-01100
ICE NW TO 7432N 03945E, 7500N 04123E, 7512N 04207E, 7535N 04156E,
7606N 04251E.

01020
ICE N TO 7606N 04251E, 7558N 04412E, 7620N 04613E, 7557N 04701E,
7550N 04945E.

01020-01010
ICE W TO 7550N 04945E, 7554N 05000E, 7613N 05103E, 7650N 05109E,
7657N 05000E, 7703N 04908E, 7729N 04931E, 7740N 04914E.

01010-01020-17030
ICE N TO 7740N 04914E, 7743N 05000E, 7752N 05806E, 7737N 05837E,
7719N 05641E, 7700N 05732E, 7726N 06102E, 7752N 06245E,
7812N 06146E, 7821N 06356E, 7827N 06519E, 7817N 06702E,
7818N 06812E, 7830N 06959E, 7829N 07000E, 7819N 07010E,
7805N 07138E.

17030
ICE E TO 7805N 07138E, 7728N 07107E, 7645N 07017E.

01010-17030
ICE S TO 7645N 07017E, 7700N 06837E, 7708N 06745E, 7653N 06514E,
7648N 06239E, 7638N 06142E, 7637N 05958E, 7622N 05810E,
7637N 05701E, 7635N 05555E, 7638N 05446E.

01010
ICE NE TO 7638N 05446E, 7621N 05355E, 7604N 05350E, 7547N 05429E,
7553N 05600E, 7533N 05538E, 7518N 05629E.

01010-01120
ICE SE TO 7518N 05629E, 7510N 05527E, 7500N 05456E, 7439N 05356E,
7408N 05421E, 7354N 05242E, 7209N 05153E.

01130
ICE NE TO 7129N 05208E, 7122N 05224E.

01130
ICE NE TO 7106N 05310E, 7055N 05343E.

01130
ICE NE TO 7035N 05515E, 7022N 05745E.

01130-01140
ICE SE TO 7022N 05745E, 6949N 05713E, 6928N 05653E, 6921N 05436E,
6900N 05403E.

01140
ICE S TO 6836N 05218E, 6833N 05207E.

01140
ICE S TO 6829N 05134E, 6829N 05127E.

01140
ICE S TO 6822N 05048E, 6822N 05047E.

01140
ICE N TO 6846N 04905E, 6845N 04926E, 6858N 05012E, 6903N 05015E.

01140
ICE W TO 6811N 04625E, 6823N 04627E, 6829N 04555E.

01110-01100-01240
ICE SW TO 6832N 04416E, 6844N 04324E, 6843N 04320E, 6842N 04313E,
6841N 04309E, 6843N 04309E, 6853N 04307E, 6851N 04238E,
6851N 04236E, 6829N 04211E, 6826N 04232E.

PART 3
FORECAST FROM 071800UTC TO 081800UTC

01010, 01020, 01100, 01110, 01120
WINDS N N/W 7 TO 12 MS
TEMP MINUS 4 TO PLUS 1 DEGREES
VIS 6 TO 10 KM VIS IN SNOW 1 TO 2 KM SOMETIMES SNOW
SEAS 1.0 TO 2.0 M

01130
WINDS N N/W 9 TO 14 MS
TEMP MINUS 3 TO PLUS 2 DEGREES
VIS 4 TO 9 KM LOCALLY PRECIPITATION

01140
WINDS N/E N 9 TO 14 MS GUSTS 18 MS
TEMP MINUS 5 TO 0 DEGREES
VIS 4 TO 9 KM VIS IN PRECIPITATION IN FOG 0.3 TO 0.8 KM
PRECIPITATION

01240, 01250
WINDS N/W N 11 TO 16 MS
AFTER 080600UTC N/W N 5 TO 10 MS
TEMP MINUS 1 TO PLUS 4 DEGREES
VIS 6 TO 10 KM VIS IN SNOW 1 TO 2 KM SOMETIMES SNOW
SEAS 0.5 TO 1.5 M

17021
WINDS N/E N 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP MINUS 1 TO MINUS 6 DEGREES
VIS 4 TO 9 KM VIS IN SNOW 0.2 TO 0.7 KM LOCALLY SNOW

17022
WINDS N/E 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP 0 TO MINUS 5 DEGREES
VIS 4 TO 9 KM VIS IN SNOW 0.3 TO 0.8 KM LOCALLY SNOW

17023
WINDS N/E N 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP 0 TO MINUS 5 DEGREES
VIS 4 TO 9 KM VIS IN SNOW 0.3 TO 0.8 KM LOCALLY SNOW

17030
WINDS E N/E 11 TO 16 MS
TEMP MINUS 2 TO MINUS 7 DEGREES
VIS 4 TO 9 KM LOCALLY PRECIPITATION

17062
WINDS E N/E 9 TO 14 MS GUSTS 17 TO 20 MS
TEMP MINUS 2 TO MINUS 7 DEGREES
VIS 4 TO 9 KM VIS IN SNOW 0.3 TO 0.8 KM LOCALLY SNOW

17063
WINDS E N/E 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP MINUS 1 TO MINUS 6 DEGREES
VIS 4 TO 9 KM VIS IN SNOW 0.3 TO 0.8 KM LOCALLY SNOW

17064
WINDS E N/E 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP MINUS 2 TO MINUS 7 DEGREES
VIS 4 TO 9 KM VIS IN SNOW 0.3 TO 0.8 KM LOCALLY SNOW

17071
WINDS E N/E 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP MINUS 1 TO MINUS 6 DEGREES
VIS 4 TO 9 KM VIS IN SNOW 0.3 TO 0.8 KM LOCALLY SNOW

17073
WINDS E N/E 10 TO 15 MS TO 081500UTC GUSTS 17 TO 22 MS
TEMP 0 TO MINUS 5 DEGREES
VIS 4 TO 9 KM IN PRECIPITATION 0.3 TO 0.8 KM
PRECIPITATION

17090
WINDS E N/E 9 TO 14 MS GUSTS 17 TO 22 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 4 TO 9 KM VIS IN FOG 0.3 TO 0.8 KM
LOCALLY PRECIPITATION FOG
NNNN