SECURITY
WEATHER BULLETIN FOR METAREA XX
ISSUED BY THE ARCTIC AND ANTARCTIC RESEARCH INSTITUTE
ST PETERSBURG ON THE 17 APRIL 2025 AT 0600UTC
PART 1
AT 170600UTC
GALE WARNING
01240, 01250
FROM 170600UTC TO 180600UTC
WINDS E S/E 17 TO 20 MS
PART 2
SYNOPSIS AT 170600UTC
LOW 1006 HPA 70N 023E MOVING N/E 40 KMH FILLING
HIGH 1029 HPA 77N 025E STATIONARY WEAKENS
HIGH 1026 HPA 67N 045E STATIONARY INCREASE
LOW 993 HPA 68N 105E MOVING E 10 KMH FILLING
HIGH 1033 HPA 80N 145W MOVING E 10 KMH INCREASE
ICE AT 161200UTC
A3-A4-B4
ICE E TO 7935N 00846E, 7927N 00949E, 7917N 01000E,
7907N 01010E, 7847N 01023E, 7826N 01053E,
7806N 01206E, 7746N 01223E, 7730N 01239E,
7725N 01244E, 7701N 01315E, 7644N 01311E,
7626N 01325E, 7617N 01343E.
B4
ICE N TO 7617N 01343E, 7611N 01438E, 7608N 01532E,
7609N 01716E, 7610N 01810E, 7608N 01905E,
7606N 01927E.
B4
ICE SE TO 7606N 01927E, 7558N 01832E, 7551N 01745E,
7532N 01652E, 7516N 01633E.
B4-C4
ICE E TO 7516N 01633E, 7500N 01655E, 7453N 01704E,
7443N 01744E, 7431N 01742E, 7418N 01722E,
7358N 01742E.
C4-C5-B5
ICE NW TO 7358N 01742E, 7355N 01837E, 7406N 01938E,
7409N 02000E, 7414N 02035E, 7416N 02116E,
7424N 02200E, 7434N 02240E, 7444N 02316E,
7500N 02343E, 7504N 02350E, 7523N 02434E,
7548N 02637E, 7602N 02806E.
B5
ICE N TO 7602N 02806E, 7557N 02915E, 7556N 03000E.
01020
ICE NE TO 7556N 03000E, 7557N 03041E, 7546N 03132E,
7540N 03233E, 7540N 03336E, 7537N 03458E,
7530N 03542E, 7530N 03740E, 7526N 03806E,
7529N 03846E.
01020-01010
ICE NW TO 7529N 03846E, 7543N 03949E, 7549N 04042E,
7554N 04153E, 7557N 04222E, 7601N 04305E,
7612N 04424E, 7629N 04517E, 7646N 04556E,
7647N 04621E, 7641N 04651E, 7641N 04808E,
7654N 04940E, 7700N 05000E, 7714N 05045E,
7727N 05109E, 7727N 05216E, 7723N 05421E,
7714N 05622E, 7710N 05725E, 7712N 05826E,
7727N 05943E, 7744N 06027E, 7752N 06115E,
7758N 06221E, 7759N 06413E, 7741N 06554E,
7740N 06656E, 7741N 06757E.
01010
ICE SE TO 7741N 06757E, 7728N 06718E, 7715N 06728E,
7704N 06647E, 7656N 06454E, 7658N 06339E,
7650N 06305E, 7634N 06243E, 7632N 06149E,
7631N 06058E, 7627N 05950E, 7625N 05914E,
7622N 05752E, 7629N 05635E, 7624N 05522E,
7554N 05343E, 7530N 05250E, 7514N 05226E.
01010-01120
ICE NE TO 7514N 05226E, 7502N 05242E, 7500N 05257E,
7456N 05326E, 7454N 05403E.
01120-01130
ICE SE TO 7454N 05403E, 7419N 05317E, 7350N 05237E,
7326N 05218E, 7315N 05159E, 7254N 05156E,
7239N 05127E, 7218N 05117E, 7204N 05117E,
7147N 05108E, 7140N 05113E, 7127N 05121E.
01130
ICE NE TO 7127N 05121E, 7120N 05144E, 7109N 05214E,
7051N 05304E, 7035N 05341E, 7028N 05430E,
7026N 05520E, 7024N 05601E, 7023N 05638E,
7023N 05654E, 7024N 05725E, 7026N 05745E.
01130-01140
ICE E TO 7026N 05745E, 7015N 05756E, 6956N 05756E,
6953N 05755E, 6942N 05753E, 6934N 05739E.
01140
ICE SE TO 6934N 05739E, 6930N 05701E, 6926N 05630E,
6920N 05542E, 6919N 05513E, 6910N 05432E,
6903N 05336E, 6858N 05300E, 6850N 05237E,
6844N 05209E, 6838N 05132E, 6831N 05057E,
6815N 05014E, 6803N 04940E, 6758N 04922E.
01140
ICE SW TO 6758N 04922E, 6800N 04859E, 6804N 04835E,
6810N 04810E, 6809N 04758E.
01140-01160
ICE SE TO 6809N 04758E, 6804N 04756E, 6759N 04800E,
6751N 04816E, 6748N 04818E, 6743N 04800E,
6737N 04749E, 6734N 04748E, 6730N 04746E,
6725N 04751E, 6724N 04754E.
01160-01140-01110
ICE SW TO 6749N 04630E, 6747N 04638E, 6746N 04643E,
6748N 04645E, 6750N 04649E, 6802N 04643E,
6814N 04634E, 6821N 04628E, 6830N 04610E,
6834N 04549E, 6833N 04541E, 6833N 04531E.
01140
ICE NW TO 6846N 04905E, 6843N 04917E, 6845N 04929E,
6853N 05003E, 6859N 05014E, 6906N 05023E,
6911N 05021E, 6912N 05015E.
PART 3
FORECAST FROM 170600UTC TO 180600UTC
01010, 01020, 01110, 01120
WINDS N N/W 9 TO 14 MS
TEMP MINUS 6 TO MINUS 11 DEGREES
VIS 6 TO 10 KM VIS IN SNOW 1 TO 2 KM
SOMETIMES 0.5 TO 1.0 KM SOMETIMES SNOW
SLOWLY ICE ACRETION SHIPS
SEAS 1.5 TO 2.5 M
01100
WINDS E N/E 10 TO 15 MS
TEMP 0 TO MINUS 3 DEGREES
VIS 6 TO 10 KM VIS IN SNOW 1 TO 2 KM SOMETIMES SNOW
SEAS 1.5 TO 2.5 M
01130
WINDS N/W W 8 TO 13 MS
AFTER 170900UTC S/W S 6 TO 11 MS
AFTER 171800UTC S/E 11 TO 16 MS
TEMP 0 TO MINUS 5 DEGREES
VIS 3 TO 8 KM LOCALLY SNOW
01140
WINDS N/W N 9 TO 14 MS
AFTER 171200UTC N/W 6 TO 11 MS
AFTER 180000UTC N/E E 5 TO 10 MS
TEMP MINUS 4 TO MINUS 9 DEGREES
VIS 3 TO 8 KM LOCALLY SNOW
01240, 01250
WINDS E S/E 17 TO 20 MS
TEMP MINUS 2 TO PLUS 3 DEGREES
VIS 6 TO 10 KM VIS IN PRECIPITATION 1 TO 2 KM
SOMETIMES PRECIPITATION
SEAS 1.0 TO 2.0 M
17021
WINDS N/W N 9 TO 14 MS
AFTER 171200UTC N/W N 6 TO 11 MS
TEMP MINUS 7 TO MINUS 12 DEGREES
VIS 3 TO 8 KM LOCALLY SNOW
17022
WINDS N N/W 9 TO 14 MS
TEMP MINUS 9 TO MINUS 14 DEGREES
VIS 3 TO 8 KM LOCALLY SNOW
17023
WINDS N/W N 10 TO 15 MS
AFTER 171200UTC N/W N 6 TO 11 MS
TEMP MINUS 9 TO MINUS 14 DEGREES
VIS 3 TO 8 KM LOCALLY SNOW
17030
WINDS N N/W 11 TO 16 MS
TEMP MINUS 9 TO MINUS 14 DEGREES
VIS 4 TO 9 KM LOCALLY SNOW
17062, 17064
WINDS N/E N 10 TO 15 MS
TEMP MINUS 10 TO MINUS 15 DEGREES
VIS 4 TO 9 KM LOCALLY SNOW
17063
WINDS N N/W 9 TO 14 MS
AFTER 171200UTC N N/W 6 TO 11 MS
TEMP MINUS 9 TO MINUS 14 DEGREES
VIS 4 TO 9 KM LOCALLY SNOW
17071
WINDS N/E N 9 TO 14 MS
AFTER 170900UTC N N/W 9 TO 14 MS
TEMP MINUS 10 TO MINUS 15 DEGREES
VIS 3 TO 8 KM VIS IN FOG 0.3 TO 0.8 KM
LOCALLY WEAK SNOW FOG
17073
WINDS N/E N 9 TO 14 MS
AFTER 171200UTC N N/W 9 TO 14 MS
TEMP MINUS 10 TO MINUS 15 DEGREES
VIS 3 TO 8 KM VIS IN FOG 0.3 TO 0.8 KM
LOCALLY SNOW FOG
17090
WINDS N/E N 9 TO 14 MS
TEMP MINUS 11 TO MINUS 16 DEGREES
VIS 3 TO 8 KM LOCALLY SNOW
NNNN