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January 4-6 Coastal Bomb Observations/Nowcast


Baroclinic Zone

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1 minute ago, dendrite said:

That’s the one. Someone find the statement on that.

000
NOUS41 KBOX 100059
PNSBOX
CTZ002>004-MAZ002>024-026-RIZ001>008-111015-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA 
800 PM EST THU FEB 09 2017

...SUMMARY OF BLIZZARD ON FEBRUARY 9 2017...

NOTE...NEAR BLIZZARD CONDITIONS WERE STILL OCCURRING ON PARTS OF 
CAPE COD AND NANTUCKET AT THIS TIME. IF ANYTHING NEEDS ADJUSTING IN 
THIS REPORT IT WILL BE ISSUED FRIDAY MORNING.

A BLIZZARD OCCURRED ACROSS SOUTHEASTERN NEW ENGLAND FROM THE LATE 
MORNING THROUGH THE LATE AFTERNOON ON FEBRUARY 9TH 2017.

THE DEFINITION OF A BLIZZARD IS THAT FALLING AND/OR BLOWING SNOW 
REDUCES VISIBILITY TO BELOW 1/4 MILE ALONG WITH SUSTAINED WINDS OR 
WINDS THAT FREQUENTLY GUST TO 35 MPH OR MORE...AND THAT THESE ARE 
THE PREDOMINANT REPORTED CONDITIONS FOR 3 CONSECUTIVE HOURS.

WHEN REVIEWING WHETHER A PARTICULAR OBSERVATION LOCATION HAD 
BLIZZARD CONDITIONS...WE COUNTED VISIBILITIES EQUAL TO 1/4 MILE 
SINCE THAT IS QUITE LOW FOR AN AUTOMATED VISIBILITY SENSOR TO DETECT.

AT PROVIDENCE RI...BLIZZARD CRITERIA WERE MET FOR 5 HOURS AND 
18 MINUTES...FROM 1051 AM TO 409 PM.

AT HYANNIS MA...BLIZZARD CRITERIA WERE MET FOR 5 HOURS AND 
4 MINUTES...FROM 1256 PM TO 600 PM.

AT BOSTON MA...BLIZZARD CRITERIA WERE MET FOR 4 HOURS AND 
34 MINUTES...FROM 1220 PM TO 454 PM.

AT MARTHAS VINEYARD MA...BLIZZARD CRITERIA WERE MET FOR 4 HOURS 
AND 32 MINUTES...FROM 1221 PM TO 453 PM.

AT BLOCK ISLAND RI...BLIZZARD CRITERIA WERE MET FOR 4 HOURS AND 
12 MINUTES...FROM 1149 AM TO 401 PM.

AT BEVERLY MA...BLIZZARD CRITERIA WERE MET FOR 3 HOURS AND 
57 MINUTES...FROM 1212 PM TO 409 PM.

AT MARSHFIELD MA...BLIZZARD CRITERIA WERE MET FOR 3 HOURS AND 
40 MINUTES...FROM 1215 PM TO 355 PM. 

AT NEW BEDFORD MA...BLIZZARD CRITERIA WERE MET FOR 3 HOURS AND 
38 MINUTES...FROM 1132 AM TO 310 PM.

AT WESTERLY RI...BLIZZARD CRITERIA WERE MET FOR 3 HOURS AND 
35 MINUTES...FROM 1153 AM TO 328 PM.

WE HAVE DETERMINED THAT BLIZZARD ALSO OCCURRED AT CHATHAM MA... 
PROVINCETOWN MA...AND NORTH SMITHFIELD RI. 

AT CHATHAM MA...BLIZZARD CONDITIONS BEGAN AT 107 PM AND CONTINUED 
THROUGH AT LEAST 336 PM WHEN COMMUNICATIONS ISSUES OCCURRED. HOWEVER 
THREE HOURS LATER VISIBILITIES WERE STILL 1/4 MILE AND WINDS WERE 
STILL STRONG.  

AT PROVINCETOWN MA...BLIZZARD CONDITIONS WERE CONFIRMED FROM 1256 PM 
THROUGH AT LEAST 356 PM BUT WINDS WENT MISSING AFTER 450 PM. 

AT NORTH SMITHFIELD RI...BLIZZARD CONDITIONS WERE REPORTED FROM 1056 
AM TO 108 PM BUT WINDS WENT MISSING AT THAT TIME. VISIBILITY 
CRITERIA WERE MET THROUGH 356 PM.

NEAR-BLIZZARD CONDITIONS OCCURRED AT LAWRENCE MA...WHICH MET 
CRITERIA FOR 2 HOURS AND 39 MINUTES... AND AT NORWOOD MA... WHICH 
MET CRITERIA FOR 2 HOURS AND 23 MINUTES.

$$ 
FIELD
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Some thoughts signing off and dragging myself back to reality...

1) This was a blizzard. Objectively.

KBOS 042154Z 32027G34KT 1/4SM R04R/2600V3000FT +SN BLSN FZFG VV005 M03/M03 A2885 RMK AO2 PK WND 32042/2141 SLP770 P0002 T10281033 $
KBOS 042101Z 33023G37KT 1/4SM R04R/2200V2600FT +SN BLSN FZFG VV007 M01/M02 A2886 RMK AO2 PK WND 33037/2055 P0000 T10111017 $
KBOS 042054Z 33026G36KT 1/4SM R04R/2000V2200FT +SN BLSN FZFG VV007 M01/M02 A2886 RMK AO2 PK WND 34044/2026 SLP771 P0007 60024 T10111017 56080 $
KBOS 042039Z 33026G36KT 1/4SM R04R/2200V2600FT +SN BLSN FZFG VV007 M01/M02 A2887 RMK AO2 PK WND 34044/2026 P0006 T10111017 $
KBOS 042015Z 35027G38KT 1/4SM R04R/1400V1600FT +SN BLSN FZFG VV005 M01/M02 A2888 RMK AO2 PK WND 35041/1956 P0003 T10111017 $
KBOS 041954Z 34027G39KT 1/8SM R04R/1000V1200FT +SN BLSN FZFG VV004 M02/M02 A2890 RMK AO2 PK WND 35039/1944 SLP785 P0011 T10171022 $
KBOS 041923Z 34023G36KT 1/8SM R04R/1000V1200FT +SN BLSN FZFG VV004 M02/M03 A2894 RMK AO2 PK WND 34036/1916 P0007 T10221028 $
KBOS 041854Z 34018G31KT 1/4SM R04R/1600V1800FT +SN BLSN FZFG VV007 M02/M03 A2899 RMK AO2 PK WND 35034/1831 PRESFR SLP816 P0006 T10221028 $
KBOS 041833Z 35023G34KT 1/4SM R04R/2000V2200FT +SN BLSN FZFG FEW005 OVC009 M02/M03 A2902 RMK AO2 PK WND 35034/1831 PRESFR P0005 T10221028 $
KBOS 041810Z 35022G29KT 1/8SM R04R/1400V2400FT +SN BLSN FZFG VV005 M02/M03 A2906 RMK AO2 PK WND 34029/1810 PRESFR P0004 T10221028 $
KBOS 041754Z 36018G33KT 1/8SM R04R/0600V0800FT +SN BLSN FZFG VV004 M02/M03 A2909 RMK AO2 PK WND 36036/1714 SLP851 P0011 60033 T10221028 11022 21044 56126 $
KBOS 041745Z 35022G30KT 1/8SM R04R/0800V1600FT +SN BLSN FZFG VV004 M02/M03 A2909 RMK AO2 PK WND 36036/1714 PRESFR P0009 T10221028 $
KBOS 041736Z 35021G31KT 1/4SM R04R/1400V1800FT +SN BLSN FZFG VV005 M02/M03 A2911 RMK AO2 PK WND 36036/1714 P0008 T10221028 $
KBOS 041719Z 36023G36KT 1/4SM R04R/1000V1600FT +SN BLSN FZFG VV004 M02/M03 A2912 RMK AO2 PK WND 36036/1714 P0004 T10221028 $
KBOS 041654Z 36024G34KT 1/16SM R04R/1200V1600FT +SN BLSN FZFG VV003 M02/M03 A2916 RMK AO2 PK WND 36037/1618 SLP874 P0014 T10221028 $
KBOS 041620Z 36026G37KT 1/8SM R04R/1000V1400FT +SN BLSN FZFG VV003 M03/M03 A2924 RMK AO2 PK WND 36037/1618 P0004 T10281033 $
KBOS 041609Z 36028G33KT 1/8SM R04R/1400V1800FT VCTS +SN BLSN FZFG VV004 M03/M04 A2926 RMK AO2 PK WND 36033/1603 PRESFR P0002 T10281039 $
KBOS 041559Z 36025G36KT 1/4SM R04R/1600V2200FT VCTS +SN BLSN FZFG VV006 M03/M04 A2928 RMK AO2 PK WND 36033/1556 LTG DSNT W PRESFR P0002 T10331039 $
KBOS 041554Z 36025G36KT 1/4SM R04R/1600V2400FT +SN BLSN FZFG VV006 M03/M04 A2930 RMK AO2 PK WND 36036/1553 LTG DSNT W PRESFR SLP922 P0003 T10331039 $
KBOS 041522Z 36021G27KT 1/4SM R04R/2400V3500FT +SN FZFG VV009 M04/M04 A2941 RMK AO2 PK WND 35027/1517 PRESFR P0001 T10391044 $
KBOS 041454Z 35018G24KT 1/2SM R04R/2400V2800FT SN FZFG VV011 M04/M05 A2947 RMK AO2 PK WND 36030/1425 SLP978 P0005 60005 T10391050 58044 $
KBOS 041440Z 35017G26KT 1/2SM R04R/2600V3500FT SN FZFG VV010 M04/M05 A2948 RMK AO2 PK WND 36030/1425 P0003 T10391050
KBOS 041420Z 36019G28KT 1/4SM R04R/1600V2600FT +SN FZFG VV008 M04/M05 A2949 RMK AO2 PK WND 35028/1418 P0002 T10441050

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Continued thoughts signing off...

2) Wonder what you all think about model post-mortem... I thought NAM won here, big time. Sure it had it's usual apesh*t run yesterday, but overall, it was actually the closest verifying than the others. Euro was absolutely lagging. RGEM / CMC were atrocious.

Obviously we're not gonna crown NAM as the new king... this speaks more to the nature of this system than model dependability.

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9 minutes ago, wxsniss said:

Some thoughts signing off and dragging myself back to reality...

1) This was a blizzard. Objectively.

KBOS 042154Z 32027G34KT 1/4SM R04R/2600V3000FT +SN BLSN FZFG VV005 M03/M03 A2885 RMK AO2 PK WND 32042/2141 SLP770 P0002 T10281033 $
KBOS 042101Z 33023G37KT 1/4SM R04R/2200V2600FT +SN BLSN FZFG VV007 M01/M02 A2886 RMK AO2 PK WND 33037/2055 P0000 T10111017 $
KBOS 042054Z 33026G36KT 1/4SM R04R/2000V2200FT +SN BLSN FZFG VV007 M01/M02 A2886 RMK AO2 PK WND 34044/2026 SLP771 P0007 60024 T10111017 56080 $
KBOS 042039Z 33026G36KT 1/4SM R04R/2200V2600FT +SN BLSN FZFG VV007 M01/M02 A2887 RMK AO2 PK WND 34044/2026 P0006 T10111017 $
KBOS 042015Z 35027G38KT 1/4SM R04R/1400V1600FT +SN BLSN FZFG VV005 M01/M02 A2888 RMK AO2 PK WND 35041/1956 P0003 T10111017 $
KBOS 041954Z 34027G39KT 1/8SM R04R/1000V1200FT +SN BLSN FZFG VV004 M02/M02 A2890 RMK AO2 PK WND 35039/1944 SLP785 P0011 T10171022 $
KBOS 041923Z 34023G36KT 1/8SM R04R/1000V1200FT +SN BLSN FZFG VV004 M02/M03 A2894 RMK AO2 PK WND 34036/1916 P0007 T10221028 $
KBOS 041854Z 34018G31KT 1/4SM R04R/1600V1800FT +SN BLSN FZFG VV007 M02/M03 A2899 RMK AO2 PK WND 35034/1831 PRESFR SLP816 P0006 T10221028 $
KBOS 041833Z 35023G34KT 1/4SM R04R/2000V2200FT +SN BLSN FZFG FEW005 OVC009 M02/M03 A2902 RMK AO2 PK WND 35034/1831 PRESFR P0005 T10221028 $
KBOS 041810Z 35022G29KT 1/8SM R04R/1400V2400FT +SN BLSN FZFG VV005 M02/M03 A2906 RMK AO2 PK WND 34029/1810 PRESFR P0004 T10221028 $
KBOS 041754Z 36018G33KT 1/8SM R04R/0600V0800FT +SN BLSN FZFG VV004 M02/M03 A2909 RMK AO2 PK WND 36036/1714 SLP851 P0011 60033 T10221028 11022 21044 56126 $
KBOS 041745Z 35022G30KT 1/8SM R04R/0800V1600FT +SN BLSN FZFG VV004 M02/M03 A2909 RMK AO2 PK WND 36036/1714 PRESFR P0009 T10221028 $
KBOS 041736Z 35021G31KT 1/4SM R04R/1400V1800FT +SN BLSN FZFG VV005 M02/M03 A2911 RMK AO2 PK WND 36036/1714 P0008 T10221028 $
KBOS 041719Z 36023G36KT 1/4SM R04R/1000V1600FT +SN BLSN FZFG VV004 M02/M03 A2912 RMK AO2 PK WND 36036/1714 P0004 T10221028 $
KBOS 041654Z 36024G34KT 1/16SM R04R/1200V1600FT +SN BLSN FZFG VV003 M02/M03 A2916 RMK AO2 PK WND 36037/1618 SLP874 P0014 T10221028 $
KBOS 041620Z 36026G37KT 1/8SM R04R/1000V1400FT +SN BLSN FZFG VV003 M03/M03 A2924 RMK AO2 PK WND 36037/1618 P0004 T10281033 $
KBOS 041609Z 36028G33KT 1/8SM R04R/1400V1800FT VCTS +SN BLSN FZFG VV004 M03/M04 A2926 RMK AO2 PK WND 36033/1603 PRESFR P0002 T10281039 $
KBOS 041559Z 36025G36KT 1/4SM R04R/1600V2200FT VCTS +SN BLSN FZFG VV006 M03/M04 A2928 RMK AO2 PK WND 36033/1556 LTG DSNT W PRESFR P0002 T10331039 $
KBOS 041554Z 36025G36KT 1/4SM R04R/1600V2400FT +SN BLSN FZFG VV006 M03/M04 A2930 RMK AO2 PK WND 36036/1553 LTG DSNT W PRESFR SLP922 P0003 T10331039 $
KBOS 041522Z 36021G27KT 1/4SM R04R/2400V3500FT +SN FZFG VV009 M04/M04 A2941 RMK AO2 PK WND 35027/1517 PRESFR P0001 T10391044 $
KBOS 041454Z 35018G24KT 1/2SM R04R/2400V2800FT SN FZFG VV011 M04/M05 A2947 RMK AO2 PK WND 36030/1425 SLP978 P0005 60005 T10391050 58044 $
KBOS 041440Z 35017G26KT 1/2SM R04R/2600V3500FT SN FZFG VV010 M04/M05 A2948 RMK AO2 PK WND 36030/1425 P0003 T10391050
KBOS 041420Z 36019G28KT 1/4SM R04R/1600V2600FT +SN FZFG VV008 M04/M05 A2949 RMK AO2 PK WND 35028/1418 P0002 T10441050

If that isn't a blizzard idk what is. Oh noes...a couple minutes where it only gusted to 29kt.

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7 minutes ago, wxsniss said:

Continued thoughts signing off...

2) Wonder what you all think about model post-mortem... I thought NAM won here, big time. Sure it had it's usual apesh*t run yesterday, but overall, it was actually the closest verifying than the others. Euro was absolutely lagging. RGEM / CMC were atrocious.

Obviously we're not gonna crown NAM as the new king... this speaks more to the nature of this system than model dependability.

I agree, NAM led the way with this getting big snow back west of far Eastern CT.

 

Euro was lagging for sure with this one.  

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9 minutes ago, wxsniss said:

Continued thoughts signing off...

2) Wonder what you all think about model post-mortem... I thought NAM won here, big time. Sure it had it's usual apesh*t run yesterday, but overall, it was actually the closest verifying than the others. Euro was absolutely lagging. RGEM / CMC were atrocious.

Obviously we're not gonna crown NAM as the new king... this speaks more to the nature of this system than model dependability.

NAVGEM performed well in the medium range.

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