Atlantic/US/Canada: Tropical Cyclone (TD) Gabrielle 130900Z near 36.5N 67.5W, moving NNE at 15 knots – 130913 0930z

Tropical Cyclone (Tropical Depression) Gabrielle

(Image: wunderground.com) Satellite (Click image for source)

(Image: wunderground.com) 5 Day Forecast (Click image for source)

Canada

Hurricane Track Information

WOCN31 CWHX 130545
Tropical cyclone information statement updated by the Canadian
Hurricane Centre of Environment Canada
At 2:34 AM ADT Friday 13 September 2013
———————————————————————
Tropical cyclone information statement for:
      Newfoundland
      Nova Scotia
      Prince Edward Island.

      For tropical storm Gabrielle.

      The next statement will be issued by 9:00 AM ADT.

      Gabrielle beginning to accelerate northeastward – currently
      Merging with frontal system – heavy rain for many parts of
      Atlantic Canada.

———————————————————————
Tropical cyclone information statement ended for:
      Quebec maritime.

———————————————————————
==discussion==
1. Summary of basic information at 3.00 AM ADT.

Location: near 35.7 north 67.5 west, or about 1000 kilometres
south-southwest of Halifax.

Maximum sustained winds: 65 km/h.

Present movement: north-northeast at 20 km/h.

Minimum central pressure: 1006 MB.

2. Public weather impacts and warnings summary.

Gabrielle is currently located south of the Maritimes and is moving
northward. It will continue to accelerate toward the northeast
Today as it merges with a cold front approaching from New England.
The front – currently completely separate from Gabrielle – will give
heavy rainfall to portions of New Brunswick today.

As Gabrielle moves northward, its moisture will be drawn toward the
front. Rainfall from this feature is expected to spread across Nova
Scotia and PEI today.

Gabrielle maintains marginal tropical storm status, and little change
in intensity is expected. The storm centre itself is not likely to
have much of a direct impact on the region since most of its energy
will transfer to the cold front. What is left of Gabrielle’s wind
will likely clip Eastern Nova Scotia tonight. The original storm
centre may completely be merged with the front by the time it reaches
Western Newfoundland by early Saturday.

A. Wind.

An area of gusty winds associated with the remnants of Gabrielle will
affect Eastern Mainland Nova Scotia and Cape Breton tonight, with
wind gusts up to 70 km/h expected. Les Suetes winds up to 90 km/h
Are forecast in the Lee of the Cape Breton Highlands tonight. These
gustier winds will also move into Newfoundland by Saturday morning.

B. Rainfall.

Rain (heavy at times) should develop over Southwestern Nova Scotia
this morning and spread to the remainder of the province and Prince
Edward Island during the day. Computer models are indicating that
The heaviest rainfall related to Gabrielle’s remnant low will fall
along a swath just west of and roughly parallel to its track across
Eastern Nova Scotia. Rainfall warnings are in effect for parts of
Central and Northeastern Nova Scotia, as well as Queens and Kings
County PEI. Local rainfall amounts of up to 70 millimetres are
possible in these areas. There is a slight risk of 100 millimetres
within the swath which could give localized flooding. Note that a
change in track or timing of the interaction of the forementioned
front with Gabrielle could shift these maximum rainfall areas to
other regions.

The west coast of Newfoundland and Labrador will receive heavy rain
from the unrelated front today. Rain related to the remnants of
Gabrielle will begin to affect southern parts of western
Newfoundland tonight and amounts could exceed 30-40 millimetres
through Saturday.

C. Surge/waves.

Moderate wave/surf conditions are likely along the Atlantic coast of
Guysborough County, Cape Breton, and Southern Newfoundland associated
with the remnants of Gabrielle.

3. Marine weather impacts and warnings summary.

Gale warnings are in effect for maritime waters near and east of
Gabrielle’s track. Gale force winds will likely develop ahead of
Gabrielle over southern maritime waters this morning, then spread
northward during the day and to Southern Newfoundland waters
Tonight. The strongest winds will likely occur just east of the
remaining circulation when it crosses Maritimes and Newfoundland
waters.

Wave models show the potential for wave heights of 4 to 6 metres as
the leftovers of Gabrielle move through.

Visit weatheroffice.Gc.Ca/hurricane (all in lower case) for the
latest:

– forecast position, central pressure table.

– strength and predicted wind radii table.

– hurricane track information map.

– technical discussion.

Please also refer to the public and marine forecasts and warnings
issued by Environment Canada for your area.

END/HARTT/COUTURIER

End

For more comprehensive information about track tables and forecast rationale, please see the Technical Discussion

Visit the Canadian Hurricane Centre to learn more about hurricanes.

United States

National Weather Service

National Hurricane Center

[Image of 5-day forecast and coastal areas under a warning or a watch]

(Image: NHC) Coastal Watches/Warnings and 5-Day Forecast Cone for Storm Center (Click image for source)

WTNT32 KNHC 130850
TCPAT2

BULLETIN
TROPICAL DEPRESSION GABRIELLE ADVISORY NUMBER  20
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL072013
500 AM AST FRI SEP 13 2013

…GABRIELLE WEAKENS TO A DEPRESSION…

SUMMARY OF 500 AM AST…0900 UTC…INFORMATION
———————————————-
LOCATION…36.5N 67.5W
ABOUT 360 MI…580 KM SSE OF NANTUCKET MASSACHUSETTS
ABOUT 595 MI…960 KM SSW OF HALIFAX NOVA SCOTIA
MAXIMUM SUSTAINED WINDS…35 MPH…55 KM/H
PRESENT MOVEMENT…NNE OR 15 DEGREES AT 17 MPH…28 KM/H
MINIMUM CENTRAL PRESSURE…1007 MB…29.74 INCHES

WATCHES AND WARNINGS
——————–
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

DISCUSSION AND 48-HOUR OUTLOOK
——————————
AT 500 AM AST…0900 UTC…THE CENTER OF TROPICAL DEPRESSION
GABRIELLE WAS LOCATED NEAR LATITUDE 36.5 NORTH…LONGITUDE 67.5
WEST. THE DEPRESSION IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 17
MPH…28 KM/H…AND THIS HEADING WITH AN INCREASE IN FORWARD SPEED
IS EXPECTED LATER TODAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH…55 KM/H…WITH HIGHER
GUSTS.  GABRIELLE IS EXPECTED TO DISSIPATE BY FRIDAY NIGHT.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1007 MB…29.74 INCHES.

HAZARDS AFFECTING LAND
———————-
NONE.

NEXT ADVISORY
————-
NEXT COMPLETE ADVISORY…1100 AM AST.

$$
FORECASTER CANGIALOSI

MARITIME

 

METAREA4 / HURRICANE_ADVISORY / 0850

WTNT22 KNHC 130850
TCMAT2

TROPICAL DEPRESSION GABRIELLE FORECAST/ADVISORY NUMBER  20
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL072013
0900 UTC FRI SEP 13 2013

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

TROPICAL DEPRESSION CENTER LOCATED NEAR 36.5N  67.5W AT 13/0900Z
POSITION ACCURATE WITHIN  30 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR  15 DEGREES AT  15 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB
MAX SUSTAINED WINDS  30 KT WITH GUSTS TO  40 KT.
12 FT SEAS.. 90NE  90SE   0SW  60NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT…CENTER LOCATED NEAR 36.5N  67.5W AT 13/0900Z
AT 13/0600Z CENTER WAS LOCATED NEAR 35.9N  67.7W

FORECAST VALID 13/1800Z 40.5N  65.8W
MAX WIND  30 KT…GUSTS  40 KT.

FORECAST VALID 14/0600Z…DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 36.5N  67.5W

NEXT ADVISORY AT 13/1500Z

$$
FORECASTER CANGIALOSI

 

 

 

METAREA4 / HIGH_SEAS_FORECAST / 0345

FZNT01 KWBC 130345 CCA
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC FRI SEP 13 2013

CCODE/2:31:04:11:00/AOW+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

PAN PAN

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

SYNOPSIS VALID 0000 UTC SEP 13
24 HOUR FORECAST VALID 0000 UTC SEP 14
48 HOUR FORECAST VALID 0000 UTC SEP 15

.WARNINGS.

…TROPICAL STORM WARNING…
.TROPICAL STORM GABRIELLE NEAR 35.1N 67.7W 1008 MB AT 0300 UTC
SEP 13 MOVING NNE OR 015 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 35
KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE
QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM E SEMICIRCLE AND 60
NM NW QUADRANT WITH SEAS TO 14 FT. ELSEWHERE WITHIN 180 NM NE AND
120 NM SE QUADRANTS WINDS 20 TO 33 KT. SEAS TO 11 FT.
.24 HOUR FORECAST POST-TROPICAL GABRIELLE NEAR 43.8N 64.3W 1009
MB. FROM 36N TO 48N BETWEEN 45W AND 65W WINDS 20 TO 30 KT. SEAS
TO 12 FT.
.36 HOUR FORECAST POST-TROPICAL GABRIELLE DISSIPATED.

…GALE WARNING…
.LOW 65N35W 988 MB MOVING NE 15 KT. WITHIN 420 NM SW QUADRANT
WINDS 30 TO 40 KT. SEAS 10 TO 18 FT. ELSEWHERE N OF 56N E OF 47W
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST NEW LOW 66N35W 993 MB. WITHIN 180 NM SW
QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 14 FT. ELSEWHERE FROM 58N
TO 65N E OF 44W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH STORM WARNING BELOW.

…STORM WARNING…
.COMPLEX INLAND LOW WITH MEAN CENTER 46N70W 1000 MB MOVING NE 30
KT. OVER FORECAST WATERS WITHIN 360 NM SE QUADRANT WINDS TO 25
KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 55N50W 1002 MB. FROM 48N TO 58N BETWEEN
40W AND 60W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.36 HOUR FORECAST LOW E OF AREA 58N33W 998 MB. WITHIN 360 NM SW
QUADRANT WINDS 25 TO 40 KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW WELL E OF AREA. FROM 57N TO 59N E OF 45W
WINDS 35 TO 50 KT. SEAS 11 TO 19 FT. ALSO FROM 56N TO 63N E OF
47W WINDS 25 TO 35 KT. SEAS 9 TO 16 FT. ELSEWHERE N OF 54N E OF
50W WINDS TO 25 KT. SEAS 8 TO 13 FT.

.SYNOPSIS AND FORECAST.

.LOW 53N47W 1005 MB MOVING NE 35 KT. FROM 45N TO 56N E OF 52W
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.

.LOW 67N58W 1003 MB MOVING N 10 KT. N OF 66N W OF GREENLAND
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW N OF AREA WITH CONDITIONS DIMINISHED.

.48 HOUR FORECAST LOW 49N62W 1008 MB. FROM 47N TO 55N E OF 58W
AND BETWEEN 180 NM AND 660 NM S AND SE QUADRANTS WINDS 20 TO 30
KT. SEAS 8 TO 13 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 55N W
OF 38W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 56N W OF 40W.
.48 HOUR FORECAST DENSE FOG WITHIN 420 NM N OF A LINE FROM 47N35W
TO 42N62W.

.HIGH 59N60W 1014 MB DRIFTING E.
.24 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST HIGH 58N54W 1024 MB.

.FORECASTER MILLS. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 0000 UTC FRI SEP 13.
24 HOUR FORECAST VALID 0000 UTC SAT SEP 14.
48 HOUR FORECAST VALID 0000 UTC SUN SEP 15.

.WARNINGS.

…HURRICANE WARNING…
.HURRICANE HUMBERTO E OF AREA NEAR 23.4N 29.7W 984 MB AT 0300
UTC SEP 13 MOVING NNW OR 345 DEG AT 10 KT. MAXIMUM SUSTAINED
WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 180
NM E SEMICIRCLE…70 NM SW QUADRANT AND 140 NM NW QUADRANT.
SEAS
12 FT OR GREATER WITHIN 210 NM N SEMICIRCLE…180 NM SE QUADRANT
AND 150 NM SW QUADRANT WITH SEAS TO 30 FT. OVER FORECAST WATERS
FROM 20N TO 28N E OF 40W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN
NE SWELL.
.24 HOUR FORECAST TROPICAL STORM HUMBERTO E OF AREA NEAR 25.3N
32.8W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM
FORCE WINDS WITHIN 150 NM E SEMICIRCLE…60 NM SW QUADRANT AND
120 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM N AND
180 NM S SEMICIRCLES WITH SEAS TO 25 FT. OVER FORECAST WATERS N
OF 24N E OF 38W WINDS 20 TO 33 KT. SEAS 11 TO 12 FT. ELSEWHERE N
OF 20N E OF 42W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY
IN E SWELL.
.48 HOUR FORECAST TROPICAL STORM HUMBERTO NEAR 27.4N 37.6W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM NE QUADRANT…70 NM SE QUADRANT…30 NM SW
QUADRANT…AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
240 NM N AND 150 NM S SEMICIRCLES WITH SEAS TO 20 FT. OVER
FORECAST WATERS N OF 25N E OF 41W WINDS 20 TO 33 KT. SEAS 11 TO
12 FT. ELSEWHERE N OF 23N E OF 45W WINDS 20 KT OR LESS. SEAS 8
TO 11 FT PRIMARILY IN E SWELL.
.72 HOUR FORECAST TROPICAL STORM HUMBERTO NEAR 29.5N 41.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK…USE FOR GUIDANCE ONLY…ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM HUMBERTO NEAR 31.5N 44.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL STORM HUMBERTO NEAR 34.5N 45.0W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.

…TROPICAL STORM WARNING…
.TROPICAL DEPRESSION TEN NEAR 19.7N 94.0W 1003 MB AT 0300 UTC
SEP 13 MOVING W OR 270 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT.
.24 HOUR FORECAST TROPICAL STORM TEN NEAR 19.4N 94.6W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 40 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN THE AREA OF TROPICAL STORM WINDS WITH SEAS 14 FT.
.48 HOUR FORECAST TROPICAL STORM TEN NEAR 19.8N 94.8W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM NW AND SE QUADRANTS…60 NM NE QUADRANT AND 40 NM
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN THE AREA OF TROPICAL
STORM WINDS WITH SEAS TO 16 FT.
.72 HOUR FORECAST TROPICAL STORM TEN NEAR 21.5N 96.0W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK…USE FOR GUIDANCE ONLY…ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM TEN NEAR 23.0N 98.0W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION TEN INLAND NEAR 24.0N
100.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK…SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.

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