Comparison of Proposed and Current High Seas Forecast Formats
Proposed High Seas Forecast Format FZNT01 KWBC 060950 HSFAT1 HIGH SEAS FORECAST ISSUED: 1030 UTC 2023 FEB 06 SECURITE SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. PART IA: WARNINGS VALID: 24 HOURS STARTING 0600 UTC 2023 FEB 06 FOR WARNING DETAILS SEE WHNT01 KWBC HSWATL 1. HURRICANE FORCE LOW A. HURRICANE FORCE WIND WARNING AT0100010206/23(01) B. STORM FORCE WIND WARNING AT0200010206/23(01) C. GALE FORCE WIND WARNING AT0300010206/23(01) D. SIGNIFICANT WAVE HEIGHT 6 TO 9 METERS AT0700010206/23(01) E. SIGNIFICANT WAVE HEIGHT 4 TO 6 METERS AT0800010206/23(01) F. FEATURES: LOW 31N75W 1009 MB MOVING NE 30 KT 2. STORM FORCE LOW A. STORM FORCE WIND WARNING AT0200020206/23(01) B. GALE FORCE WIND WARNING AT0300020206/23(01) C. SIGNIFICANT WAVE HEIGHT 6 TO 9 METERS AT0700020206/23(01) D. SIGNIFICANT WAVE HEIGHT 4 TO 6 METERS AT0800020206/23(01) E. FEATURES: LOW 65N36W 969 MB NEARLY STATIONARY 3. GALE FORCE LOW A. GALE FORCE WIND WARNING AT0300030206/23(01) B. SIGNIFICANT WAVE HEIGHT 4 TO 6 METERS AT0800030206/23(01) C. FEATURES: COMPLEX LOW WITH MAIN CENTER 54N51W 1009 MB MOVING 30 KT 4. HEAVY FREEZING SPRAY WARNING AT1200010206/23(01) PART 1B: WARNINGS VALID: 24-48 HOURS STARTING 0600 UTC 2023 FEB 07 FOR WARNING DETAILS SEE WHNT01 KWBC HSWATL 1. HURRICANE FORCE LOW A. HURRICANE FORCE WIND WARNING AT0100010206/23(02) B. STORM FORCE WIND WARNING AT0200010206/23(02) C. GALE FORCE WIND WARNING AT0300010206/23(02) D. SIGNIFICANT WAVE HEIGHT 6 TO 9 METERS AT0700010206/23(02) E. SIGNIFICANT WAVE HEIGHT 4 TO 6 METERS AT0800010206/23(02) F. FEATURES: LOW 40N64W 976 MB 2. STORM FORCE LOW A. STORM FORCE WIND WARNING AT0200020206/23(02) B. GALE FORCE WIND WARNING AT0300020206/23(02) C. SIGNIFICANT WAVE HEIGHT 6 TO 9 METERS AT0700020206/23(02) D. SIGNIFICANT WAVE HEIGHT 4 TO 6 METERS AT0800020206/23(02) E. FEATURES: LOW 65N36W 975 MB 3. STORM FORCE LOW A. STORM FORCE WIND WARNING AT0200030206/23(01) B. GALE FORCE WIND WARNING AT0300030206/23(02) C. SIGNIFICANT WAVE HEIGHT 6 TO 9 METERS AT0700030206/23(01) D. SIGNIFICANT WAVE HEIGHT 4 TO 6 METERS AT0800030206/23(02) E. FEATURES: LOW 64N25W 979 MB 4. GALE FORCE LOW A. GALE FORCE WIND WARNING AT0300040206/23(01) B. SIGNIFICANT WAVE HEIGHT 2 TO 4 METERS AT0900040206/23(01) 5. HEAVY FREEZING SPRAY WARNING AT1200010206/23(02) PART II: SYNOPSES 1. HURRICANE FORCE LOW 31N75W 1009 MB MOVING NE 30 KT AND RAPIDLY INTENSIFYING. 24 HOUR FORECAST LOW 40N64W 976 MB. 48 HOUR FORECAST LOW 39N56W 988 MB. 2. STORM FORCE LOW 65N36W 969 MB NEARLY STATIONARY. 24 HOUR FORECAST LOW 65N36W 975 MB. 48 HOUR FORECAST LOW 66N25W 970 MB. 3. COMPLEX STORM FORCE LOW WITH MAIN CENTER 54N51W 1009 MB MOVING NE 30 KT. 24 HOUR FORECAST COMBINED LOW 64N25W 979 MB. 48 HOUR FORECAST LOW WELL E OF AREA. 4. 48 HOUR FORECAST GALE FORCE LOW WELL W OF AREA. PART IIIA: FORECASTS VALID: 24 HOURS STARTING 0600 UTC 2023 FEB 06 WINDS 1. NEAR GALE A. AREA: S OF 40N E OF 45W WINDS TO 28 KT. SEAS 1. SIGNIFICANT WAVE HEIGHT 2 TO 3.5 METERS. A. AREA: S OF 40N E OF 45W FREEZING SPRAY 1. LIGHT TO MODERATE FREEZING SPRAY N OF 49N W OF 37W AND WITHIN THE GULF OF SAINT LAWRENCE. DENSE FOG 1. VISIBILITY LESS THAN 1 NM A. AREA: N OF 55N W OF 53W AND FROM 46N TO 54N BETWEEN 50W AND 64W. PART IIIB: FORECASTS VALID: 24-48 HOURS STARTING 0600 UTC 2023 FEB 07 WINDS 1. NO HAZARDS SEAS 1. NO HAZARDS FREEZING SPRAY 1. LIGHT TO MODERATE FREEZING SPRAY NW AND W OF A LINE FROM 43N70W TO 54N40W TO 58N35W TO 66N35W. DENSE FOG 1. VISIBILITY LESS THAN 1 NM A. AREA: N OF 58N W OF 53W AND WITHIN 240 NM E AND SE OF A LINE FROM 54N35W TO 52N47W TO 44N58W. $$ FORECASTER JOSEPH |
Current High Seas Forecast Format FZNT01 KWBC 060950 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 1030 UTC MON FEB 06 2023 CCODE/2:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT VOSOPS@NOAA.GOV(LOWERCASE). THE NWS IS PROPOSING A CHANGE TO THE HIGH SEAS TEXT FORECASTS. FOR INFORMATION AND TO COMMENT, SEE HTTPS://WWW.WEATHER.GOV/MEDIA/NOTIFICATION/PDF_2023_24/PNS23-05_ HIGH_SEAS_TEXT_FORECAST_CHANGE.PDF(ALL LOWERCASE). METAREA IV BULLETIN WILL ONLY BE BROADCAST FROM THE INMARSAT AOE SATELLITE. PLEASE ENSURE YOUR RECEIVER IS POINTED CORRECTLY. FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0600 UTC FEB 06. 24 HOUR FORECAST VALID 0600 UTC FEB 07. 48 HOUR FORECAST VALID 0600 UTC FEB 08. .WARNINGS. ...HURRICANE FORCE WIND WARNING... .LOW 31N75W 1009 MB MOVING NE 30 KT AND RAPIDLY INTENSIFYING. S OF 36N W OF 60W WINDS 20 TO 30 KT. SEAS TO 9 FT. .06 HOUR FORECAST LOW 33N72W 998 MB. WITHIN 150 NM SE AND 90 NM SW QUADRANTS WINDS 45 TO 60 KT. SEAS 15 TO 18 FT. .24 HOUR FORECAST LOW 40N64W 976 MB. WITHIN 90 NM NW AND W SEMICIRCLES WINDS 50 TO 65 KT. SEAS 25 TO 30 FT. ELSEWHERE WITHIN 360 NM N...180 NM S...240 NM W QUADRANTS AND 180 NM E OF FRONT FROM 42N56W TO 34N61W WINDS 40 TO 50 KT. SEAS 15 TO 25 FT. ALSO S OF 49N BETWEEN 42W AND 74W WINDS 25 TO 40 KT. SEAS 8 TO 18 FT...EXCEPT WITHIN 240 NM E QUADRANT SEAS 15 TO 27 FT. .48 HOUR FORECAST LOW 39N56W 988 MB. WITHIN 240 NM SW QUADRANT WINDS 35 TO 50 KT. SEAS 18 TO 29 FT. ELSEWHERE S OF 48N BETWEEN 42W AND 66W WINDS 25 TO 40 KT. SEAS 10 TO 22 FT...EXCEPT WITHIN 420 NM SW QUADRANT SEAS 14 TO 25 FT. ALSO...EXCEPT WHERE OTHERWISE DESCRIBED...S OF 48N BETWEEN 59W AND 71W WINDS LESS THAN 25 KT. SEAS 8 TO 16 FT. ...STORM WARNING... .LOW 65N36W 969 MB NEARLY STATIONARY. WITHIN 600 NM S QUADRANT WINDS 35 TO 50 KT. SEAS 18 TO 28 FT. ELSEWHERE N OF 44N E OF 50W WINDS 25 TO 35 KT. SEAS 14 TO 28 FT. ALSO N OF 31N E OF 50W WINDS TO 25 KT. SEAS 8 TO 20 FT. .24 HOUR FORECAST LOW 65N36W 975 MB. BETWEEN 180 NM AND 480 NM S QUADRANT WINDS 35 TO 50 KT. SEAS 14 TO 24 FT. ELSEWHERE N OF 54N E OF 50W AND FROM 55N TO 63N W OF 50W WINDS 25 TO 35 KT. SEAS 9 TO 18 FT. .48 HOUR FORECAST LOW E OF AREA NEAR 66N25W 970 MB. N OF 63N E OF GREENLAND AND FROM 56N TO 60N E OF 44W WINDS 40 TO 55 KT. SEAS 14 TO 30 FT. ELSEWHERE N OF A LINE FROM 55N50W TO 50N35W WINDS 25 TO 40 KT. SEAS 11 TO 22 FT. ...STORM WARNING... .COMPLEX LOW WITH FIRST CENTER 54N51W 1009 MB MOVING NE 30 KT AND SECOND CENTER 50N55W 1011 MB MOVING NE 55 KT AND RAPIDLY INTENSIFYING. FROM 40N TO 61N BETWEEN 50W AND 60W AND FROM 36N TO 47N W OF 60W WINDS 25 TO 40 KT. SEAS 8 TO 14 FT. .24 HOUR FORECAST COMBINED LOW E OF AREA NEAR 64N25W 979 MB. FRONT TO EXTEND FROM 53N35W TO 49N47W. WITHIN 180 NM S OF FRONT WINDS 40 TO 50 KT. SEAS 15 TO 25 FT. ELSEWHERE WITHIN 480 NM S OF FRONT WINDS 25 TO 40 KT. SEAS 8 TO 18 FT. .48 HOUR FORECAST LOW WELL E OF AREA. FROM 38N TO 50N E OF 42W WINDS 25 TO 40 KT. SEAS 8 TO 18 FT. ...GALE WARNING... .48 HOUR FORECAST LOW WELL INLAND. FROM 51N TO 63N W OF 50W WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE W OF A LINE FROM 36N70W TO 45N66W AND WITHIN THE GULF OF SAINT LAWRENCE WINDS 20 TO 30 KT. SEAS TO 12 FT. ...HEAVY FREEZING SPRAY WARNING... .MODERATE TO HEAVY FREEZING SPRAY N OF 52N W OF 51W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 49N W OF 37W AND WITHIN THE GULF OF SAINT LAWRENCE. .24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 49N W OF 50W INCLUDING THE GULF OF SAINT LAWRENCE AND N OF 63N E OF GREENLAND. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NW AND W OF A LINE FROM 43N70W TO 54N40W TO 58N35W TO 66N35W. .48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF GREENLAND AND N OF 63N E OF GREENLAND. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NW AND W OF A LINE FROM 44N63W TO 52N46W TO 59N35W TO 66N35W. .SYNOPSIS AND FORECAST. .24 HOUR FORECAST S OF 40N E OF 45W WINDS TO 25 KT. SEAS TO 11 FT. .48 HOUR FORECAST CONDITIONS DIMINISHED. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 55N W OF 53W AND FROM 46N TO 54N BETWEEN 50W AND 64W. .24 HOUR FORECAST DENSE FOG N OF 58N W OF 53W AND WITHIN 240 NM E AND SE OF A LINE FROM 54N35W TO 52N47W TO 44N58W. .48 HOUR FORECAST DENSE FOG FROM 58N TO 62N W OF 53W. .HIGH 39N45W 1039 MB MOVING NE 35 KT. .24 HOUR FORECAST HIGH MOVED E OF AREA. .48 HOUR FORECAST NEW HIGH 32N74W 1028 MB. .48 HOUR FORECAST HIGH 51N47W 1029 MB. .FORECASTER JOSEPH. OCEAN PREDICTION CENTER. |
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