Sunday, January 03, 2010

New Years' Snowstorm Update 16










Mainers dig out from whopper storm

06z Canadian Surface Chart

New Years' Snowstorm Update 15








High water, power failures plague Maritimes

New Years' Snowstorm Update 14











000
FXUS61 KCAR 032002
AFDCAR

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CARIBOU ME
302 PM EST SUN JAN 3 2010

.SYNOPSIS...
-- Changed Discussion --LOW PRESSURE IN THE GULF OF MAINE WILL GRADUALLY WEAKEN AND
CONTINUE TO MOVE EAST OF THE REGION TONIGHT AND MONDAY. A TROUGH OF LOW
PRESSURE WILL CROSS THE AREA MONDAY NIGHT INTO EARLY TUESDAY.-- End Changed Discussion --
&&

.NEAR TERM /THROUGH MONDAY/...
-- Changed Discussion --LOW PRESSURE IN THE GULF OF MAINE WILL MOVE TO THE EAST OF NOVA
SCOTIA TONIGHT THEN NORTHWARD INTO THE MARITIMES MONDAY. AN
EASTERLY FLOW AROUND THE NORTH SIDE OF THIS SYSTEM WILL CONTINUE TO
BRING MOISTURE WHICH IN TURN WILL GENERATE SNOW SHOWERS INTO THIS
EVENING. THE SNOW SHOWERS WILL WEAKEN AND DECREASE IN FREQUENCY
LATER TONIGHT INTO MONDAY AS THE SYSTEM MOVES AWAY. HAVE USED A
BLEND OF NAM AND GFS TO INITIALIZE THE POP AND QPF GRIDS. WILL
ADJUST POPS HIGHER ACROSS THE SOUTHERN AND EASTERN AREAS WHERE A
BAND OF SNOW SHOWERS IS EXPECTED TO MOVE EARLY THIS EVENING.
TEMPERATURES ARE EXPECTED TO REMAIN ABOVE NORMAL IN THE MARITIME
AIR MASS INTO MONDAY. HAVE USED THE GMOS FOR TEMPERATURE...DEW
POINT AND WIND.-- End Changed Discussion --
&&

.SHORT TERM /MONDAY NIGHT THROUGH WEDNESDAY/...
-- Changed Discussion --MODELS IN VERY GOOD AGREEMENT WITH LOW PRESSURE CENTERED OVER
NEWFOUNDLAND WITH SURFACE TROUGH EXTENDING WESTWARD FROM THE LOW
BACK TOWARDS JAMES BAY MONDAY EVENING. THIS SURFACE TROUGH WILL
MOVE SOUTHWARD CROSSING NORTHERN SECTIONS MONDAY EVENING, THEN ACROSS
CENTRAL SECTIONS AROUND MIDNIGHT AND FINALLY OVER DOWNEAST AFTER
MIDNIGHT INTO EARLY TUESDAY. QPF AMOUNTS REMAIN ON THE LIGHT SIDE WITH
AROUND AN INCH OF SNOW WITH THE SURFACE TROUGH. LOW PRESSURE WILL
SLOWLY MOVE NORTHWARD INTO LABRADOR TUESDAY AND WEDNESDAY KEEPING
THE REGION UNDER A MOIST NORTHWEST FLOW. USED A BLEND OF THE MET
AND MAV FOR TEMPERATURES-- End Changed Discussion --
&&

.LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/...
-- Changed Discussion --THE LONG TERM PERIOD SHOULD START OUT MOSTLY QUIET. THURSDAY AND
THURSDAY NIGHT SHOULD BE MOSTLY CLOUDY TO CLOUDY AND PRECIP FREE ACROSS
THE ENTIRE CWA...HOWEVER CAN NOT RULE OUT A CHANCE OF A STRAY SNOW
SHOWER FOR THE NORTHWESTERN PARTS OF THE CWA DURING THE DAY ON
THURSDAY. AREAS DOWNEAST SHOULD HAVE THE MOST CLEARING ON THURSDAY.
ON FRIDAY WE TURN OUR ATTENTION TO A STORM SYSTEM OFF THE COAST.
MODELS ARE IN AGREEMENT THAT ANOTHER STORM COULD BE ON THE HORIZON
FOR FRIDAY NIGHT INTO SATURDAY. AT THE MOMENT THE GFS IS MOST AGGRESSIVE
WITH THIS FEATURE AND BRINGS THE LOW CLOSER TO THE COAST...HOWEVER
THE ECMWF AND THE GEM HAVE THE STORM WELL OFF THE COAST. THIS STORM
WILL HAVE TO BE WATCHED CAREFULLY FOR FRIDAY AND SATURDAY. RIGHT NOW
HAVE CHANCE POPS FOR SNOW FOR THE ENTIRE CWA WITH THE BETTER
CHANCES MAINLY FOR THE DOWNEAST AREAS FOR FRIDAY EVENING THROUGH
SATURDAY. FOLLOWING THAT SYSTEM LOOK FOR SOME COLD WEATHER FOR
SUNDAY. USED GMOS FOR TEMPERATURES AND ADJUSTED AS NEEDED.-- End Changed Discussion --
&&

.AVIATION /20Z SUNDAY THROUGH FRIDAY/...
-- Changed Discussion --VFR CONDITIONS WILL LOWER TO IFR/MVFR IN SNOW SHOWERS FROM NORTH
TO SOUTH ACROSS THE REGION MONDAY NIGHT. CONDITIONS WILL THEN
IMPROVE TO VFR FROM NORTH TO SOUTH AFTER MIDNIGHT WITH VFR
CONDITIONS CONTINUING TUESDAY INTO WEDNESDAY.

SHORT TERM: IFR/MVFR CONDITIONS ARE EXPECTED TO NIGHT INTO MONDAY
AS A MOIST EASTERLY FLOW AND SNOW/RAIN SHOWERS PERSIST ACROSS THE
REGION.

LONG TERM: EXPECT VFR CONDITIONS FOR THURSDAY AND POSSIBLY
DECREASING TO MVFR LATE ON FRIDAY-- End Changed Discussion --
&&

.MARINE...
-- Changed Discussion --NEAR TERM: WINDS CURRENTLY HAVE DECREASE DUE TO THE CLOSE
PROXIMITY OF THE LOW PRESSURE CENTER. WINDS ARE EXPECTED TO
INCREASE IN THE EARLY EVENING AS THE LOW MOVE TO THE EAST ALLOWING
THE GRADIENT TO TIGHTEN. HAVE USED A BLEND OF THE NAM12 AND GFS40
FOR WINDS. FOR WAVES: SPECTRAL DATA INDICATES VERY LITTLE INCOMING
LONG PERIOD WAVE. WILL USE THE NAM/SWAN FOR WAVES. WILL KEEP THE
SCA IN PLACE.

SHORT TERM: EXPECT WINDS AND SEAS TO REMAIN BELOW SCA LEVELS
MONDAY NIGHT THROUGH WEDNESDAY.-- End Changed Discussion --
&&

.CAR WATCHES/WARNINGS/ADVISORIES...
-- Changed Discussion --ME...NONE.
MARINE...SMALL CRAFT ADVISORY UNTIL 6 PM EST MONDAY FOR ANZ050>052.-- End Changed Discussion --

&&

$$
NEAR TERM...MIGNONE
SHORT TERM...FOSTER
LONG TERM...HILL
AVIATION...MIGNONE
MARINE...MIGNONE/FOSTER

New Years' Snowstorm Update 13












AWCN14 CWHX 031627
SPECIAL WEATHER SUMMARY MESSAGE FOR NEW BRUNSWICK ISSUED BY
ENVIRONMENT CANADA AT 12:27 PM AST SUNDAY 3 JANUARY 2010.

AN INTENSE LOW PRESSURE SYSTEM TRACKED JUST WEST OF HALIFAX LAST
NIGHT AND IS NOW WEAKENING IN THE GULF OF MAINE. THIS SYSTEM BROUGHT
HEAVY SNOW AND BLOWING SNOW AS WELL AS STRONG EASTERLY WINDS. REPORTS
OF COASTAL FLOODING WERE ALSO RECEIVED FROM SOUTHEASTERN REGIONS FROM
SHEDIAC TO PORT ELGIN.

UNOFFICIAL SNOWFALL AND WIND INFORMATION RECORDED AT STATIONS
ACROSS NOVA SCOTIA AS OF 8:00 AM AST SUNDAY.

LOCATION SNOWFALL (CM) PEAK WIND (KM/H)
-------------------------------------------------------------

MONCTON 12 91
ST JOHN 7 63
GRAND MANAN 28 56
POINT LEPREAU 26 56
ST STEPHEN 19 48
FREDERICTON 18 72
ST LĂ©ONARD 12 50
BAS CARAQUET 93
MISCOU ISLAND 91
MIRAMICHI 10 98
BATHURST 27 70
WOODSTOCK** 18
LONG CREEK** 16
MAPLETON** 28


** VOLUNTEER OBSERVER



END/ASPC


AWCN11 CWHX 031434
SPECIAL WEATHER SUMMARY MESSAGE FOR NOVA SCOTIA ISSUED BY ENVIRONMENT
CANADA AT 10:34 AM AST SUNDAY 3 JANUARY 2010.

AN INTENSE LOW PRESSURE SYSTEM TRACKED JUST WEST OF HALIFAX LAST
NIGHT AND IS NOW WEAKENING IN THE GULF OF MAINE. THIS SYSTEM BROUGHT
HEAVY SNOW ESPECIALLY FOR WESTERN SECTIONS OF THE PROVINCE. EASTERN
SECTIONS RECEIVED SOME SNOWFALL AS WELL AS STRONG EASTERLY WINDS.
REPORTS OF COASTAL FLOODING WERE ALSO RECEIVED FROM THE CLARKES
HABOUR AREA OF SHELBURNE COUNTY AND ALONG THE DOWNTOWN HALIFAX
WATERFRONT.

UNOFFICIAL SNOWFALL AND WIND INFORMATION RECORDED AT STATIONS
ACROSS NOVA SCOTIA AS OF 8:00 AM AST SUNDAY.

LOCATION SNOWFALL (CM) PEAK WIND (KM/H)
-------------------------------------------------------------

YARMOUTH 33 37
BACCARO POINT 27 56
BRIAR ISLAND 12 78
KEJI 27
WESTERN HEAD 31 46
WOODSTOCK** 45
LIVERPOOL** 24
GOLD RIVER** 20
GREENWOOD 24 48
HALIFAX INTN'L'AIRPORT 11 80
TRACADIE N/A 95
BEAVER ISLAND N/A 113
HART ISLAND N/A 96
CARIBOU POINT N/A 98
SYDNEY 0 74
GRAND ETANG N/A 163

** VOLUNTEER OBSERVER

END/ASPC

AWCN15 CWHX 031724
SPECIAL WEATHER SUMMARY MESSAGE FOR PRINCE EDWARD ISLAND ISSUED BY
ENVIRONMENT CANADA AT 1:24 PM AST SUNDAY 3 JANUARY 2010.

AN INTENSE LOW PRESSURE SYSTEM TRACKED JUST WEST OF HALIFAX LAST
NIGHT AND IS NOW WEAKENING IN THE GULF OF MAINE. STRONG NORTHEASTERLY
WINDS ACCOMPANIED THIS SYSTEM WITH ONLY SMALL ACCUMULATIONS OF
SNOW OCCURRING BEFORE THE CHANGEOVER TO RAIN.

A ROOF WAS BLOWN OFF A HOUSE IN THE COMMUNITY OF NORTHPORT AND
STORM SURGE CAUSING FLOODING WAS REPORTED ALONG THE NORTHUMBERLAND
STRAIT FROM SUMMERSIDE TO THE VICTORIA/CRAPAUD AREA.

UNOFFICIAL SNOWFALL AND WIND INFORMATION RECORDED AT STATIONS
ACROSS PRINCE EDWARD ISLAND AS OF 8:00 AM AST SUNDAY.

LOCATION SNOWFALL (CM) PEAK WIND (KM/H)
-------------------------------------------------------------

CHARLOTTETOWN 6 85
SUMMERSIDE 102
EAST POINT 100
ELWOOD** 5
MAPLE PLAINS 85
HARRINGTON 87
ST. PETER'S 76
NORTH POINT 104

** VOLUNTEER OBSERVER

END/ASPC

AWCN15 CWHX 031547
SPECIAL WEATHER SUMMARY MESSAGE FOR PRINCE EDWARD ISLAND ISSUED BY
ENVIRONMENT CANADA AT 11:47 AM AST SUNDAY 3 JANUARY 2010.

AN INTENSE LOW PRESSURE SYSTEM TRACKED JUST WEST OF HALIFAX LAST
NIGHT AND IS NOW WEAKENING IN THE GULF OF MAINE. STRONG NORTHEASTERLY
WINDS WERE THE MAIN FACTOR WITH THIS SYTEM WITH ONLY SMALL AMOUNTS
OF SNOWFALL OCCURRING BEFORE THE CHANGEOVER TO RAIN.

UNOFFICIAL SNOWFALL AND WIND INFORMATION RECORDED AT STATIONS
ACROSS PRINCE EDWARD ISLAND AS OF 8:00 AM AST SUNDAY.

LOCATION SNOWFALL (CM) PEAK WIND (KM/H)
-------------------------------------------------------------

CHARLOTTETOWN 6 85
SUMMERSIDE 102
EAST POINT 100
ELWOOD** 5
MAPLE PLAINS 85
HARRINGTON 87
ST. PETER'S 76
NORTH POINT 104


** VOLUNTEER OBSERVER

END/ASPC