Extratropical Storm Andrea Update Five

WOCN31 CWHX 072345

TROPICAL CYCLONE INFORMATION STATEMENT UPDATED BY THE CANADIAN
HURRICANE CENTRE OF ENVIRONMENT CANADA AT 8:40 PM ADT FRIDAY
7 JUNE 2013.
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TROPICAL CYCLONE INFORMATION STATEMENT FOR:
ATLANTIC PROVINCES.
FOR POST-TROPICAL STORM ANDREA.
THE NEXT STATEMENT WILL BE ISSUED BY 3:00 AM ADT SATURDAY.
REMNANTS OF TROPICAL STORM ANDREA WILL BRING HEAVY RAIN AND
MODERATE WINDS TO ATLANTIC CANADA THIS WEEKEND.
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==DISCUSSION==

1. SUMMARY OF BASIC INFORMATION AT 9.00 PM ADT.

LOCATION: NEAR 37.1 NORTH 77.0 WEST.
ABOUT 245 KILOMETRES NORTH-NORTHWEST OF CAPE HATTERAS, NORTH
CAROLINA.
MAXIMUM SUSTAINED WINDS: 75 KM/H.
PRESENT MOVEMENT: NORTHEAST NEAR 45 KM/H.
MINIMUM CENTRAL PRESSURE: 997 MB.

2. PUBLIC WEATHER IMPACTS AND WARNINGS SUMMARY.

POST-TROPICAL STORM ANDREA IS EXPECTED TO MOVE ALONG THE EASTERN
SEABOARD TONIGHT ALONG A DEVELOPING WARM FRONTAL FEATURE THAT WILL
EXTEND AHEAD OF THE REMNANT LOW PRESSURE CENTER. THE HEAVY RAIN
ASSOCIATED WITH THE SYSTEM WILL BE SPREADING INTO WESTERN NOVA
SCOTIA TONIGHT. THIS HEAVIER RAIN WILL THEN SPREAD ACROSS THE REST
OF NOVA SCOTIA, SOUTHERN NEW BRUNSWICK AND PRINCE EDWARD ISLAND
SATURDAY. THE SOUTH COAST OF NEWFOUNDLAND WILL LIKELY RECEIVE HEAVY
RAIN OVERNIGHT SATURDAY INTO SUNDAY MORNING. THE CENTRE OF THE
REMNANT LOW IS EXPECTED TO TRACK ACROSS NOVA SCOTIA LATER SATURDAY
AFTERNOON AND THEN JUST SOUTH OF NEWFOUNDLAND EARLY SUNDAY.

A. WIND.

A LES SUETES WIND WARNING IS IN EFFECT FOR THE WESTERN SIDE OF THE
CAPE BRETON HIGHLANDS FOR SOUTHEASTERLY WINDS GUSTING UP TO 100 KM/H
BEGINNING SATURDAY AFTERNOON. ELSEWHERE IT IS UNLIKELY THAT WINDS
WILL REACH WARNING CRITERIA (GUSTS OF 90 KM/H). HOWEVER MOST OF THE
REGION WILL EXPERIENCE MODERATELY WINDY CONDITIONS. THE STRONGEST
WINDS WILL LIKELY BE SOUTH OF THE TRACK OF THE CENTER OF THE REMNANT
LOW ON SATURDAY - WHICH COULD GIVE GUSTS UP TO 70 KM/H TO EXPOSED
AREAS OF NOVA SCOTIA ESPECIALLY ALONG THE ATLANTIC COAST.
GUSTY EASTERLY WINDS WILL DEVELOP OVER PRINCE EDWARD ISLAND, CAPE
BRETON AND SOUTHERN NEWFOUNDLAND SATURDAY INTO SUNDAY. GUSTS UP TO
80 KM/H ARE POSSIBLE ALONG THE SOUTHERN COASTALL AREAS OF
NEWFOUNDLAND ESPECIALLY IN THE WRECKHOUSE AREA.

B. RAINFALL.

THE PRIMARY IMPACT FROM THIS SYSTEM WILL BE RAINFALL. EXPECT PERIODS
OF RAIN WITH EMBEDDED HEAVY DOWNPOURS WITH THUNDERSHOWERS OVER PARTS
OF THE MARITIME PROVINCES OVERNIGHT AND SATURDAY, AND OVER SOUTHERN
NEWFOUNDLAND SATURDAY NIGHT AND SUNDAY. RAINFALL WARNINGS HAVE BEEN
ISSUED FOR SOUTHERNMOST REGIONS OF NEW BRUNSWICK, EASTERN PRINCE
EDWARD ISLAND AND ALL OF NOVA SCOTIA. GENERAL RAINFALL AMOUNTS OF 40
TO 60 MILLIMETRES ARE EXPECTED THROUGHOUT THE SOUTHERN MARITIMES
HOWEVER LOCALLY HIGHER AMOUNTS ARE LIKELY.

C. SURGE/WAVES.

NO SIGNIFICANT SURGE ISSUES ARE EXPECTED AT THIS TIME. BASED ON
LATEST TRACK MODERATE WAVE CONDITIONS OF 3 TO 4 METRES COULD AFFECT
THE ATLANTIC COAST OF NOVA SCOTIA LATE IN THE DAY SATURDAY.

3. MARINE WEATHER IMPACTS AND WARNINGS SUMMARY.
GALE WARNINGS ARE IN EFFECT FOR ALL MARINE WATERS SOUTH OF NOVA
SCOTIA FOR SATURDAY WHERE GALE FORCE SOUTHWESTERLIES UP TO 40 KNOTS
CAN BE EXPECTED. EASTERLY GALES ARE ALSO EXPECTED OVER THE GULF OF
ST LAWRENCE AND CABOT STRAIT AS THE SYSTEM APPROACHES.
SIGNIFICANT WAVE HEIGHTS OF 4 TO 5 METRES WILL ALSO DEVELOP OVER
SOUTHERN WATERS LATER ON SATURDAY.

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