RAIN FROM POST-TROPICAL STORM BERYL MERGING WITH TROUGH
WOCN31 CWHX 220600
POST-TROPICAL STORM BERYL INFORMATION STATEMENT ISSUED BY THE
CANADIAN HURRICANE CENTRE OF ENVIRONMENT CANADA AT 3.30 AM NDT
SATURDAY 22 JULY 2006.
THE NEXT STATEMENT WILL BE ISSUED BY 6.30 AM NDT
...RAIN FROM POST-TROPICAL STORM BERYL MERGING WITH TROUGH
OVER WESTERN NEWFOUNDLAND...
...A BRIEF STORM SUMMARY FOR THE MARITIME PROVINCES APPEARS AT
THE END OF THIS BULLETIN...A MORE COMPLETE SUMMARY WILL BE
ISSUED BY 7AM TODAY UNDER HEADERS AWCN11/14/15 CWHX..
1. CURRENT POSITION, STRENGTH, CENTRAL PRESSURE AND MOTION
AT 3.30 AM NDT... POST-TROPICAL STORM BERYL WAS LOCATED NEAR
LATITUDE 47.3 N AND LONGITUDE 60.4 W... ABOUT 50 NAUTICAL MILES
OR 95 KM WEST SOUTHWEST OF PORT AUX BASQUES. MAXIMUM SUSTAINED
WINDS ARE ESTIMATED AT 35 KNOTS... 65 KM/H... AND CENTRAL PRESSURE
AT 1002 MB. BERYL IS MOVING EAST NORTHEAST AT 26 KNOTS... 48 KM/H.
2. FORECAST POSITION, CENTRAL PRESSURE AND STRENGTH
DATE TIME LAT LON MSLP MAX WIND
NDT MB KTS KMH
JUL 22 3.30 AM 47.3N 60.4W 1002 35 65 POST-TROPICAL
JUL 22 9.30 AM 48.7N 57.0W 1003 35 65 POST-TROPICAL
JUL 22 3.30 PM 49.6N 53.6W 1004 35 65 POST-TROPICAL
JUL 22 9.30 PM 50.1N 50.1W 1004 35 65 POST-TROPICAL
JUL 23 3.30 AM 49.9N 46.8W 1004 30 56 POST-TROPICAL
JUL 23 9.30 AM 49.4N 44.0W 1004 30 56 POST-TROPICAL
JUL 23 3.30 PM 48.5N 41.2W 1005 30 56 POST-TROPICAL
3. PUBLIC WEATHER IMPACTS AND WARNINGS SUMMARY
THE ORIGINAL AREA OF RAIN ASSOCIATED WITH POST-TROPICAL STORM BERYL
IS MERGING WITH A TROUGH OF LOW PRESSURE OVER THE EASTERN GULF OF
ST LAWRENCE. HOWEVER THERE IS AN AREA OF CONCENTRATED RAINFALLS OVER
SOUTHWESTERN NEWFOUNDLAND AT FORECAST TIME. A REPORT FROM PORT AUX
BASQUES AT 05Z REPORTED 21.5 MM OF RAIN IN ONE HOUR WHICH IS A RATE
SIMILAR TO THAT OBSERVED WHEN EX-BERYL MOVED THROUGH THE MARITIMES.
NO RAINFALL WARNINGS ARE IN EFFECT..BUT THE PUBLIC SHOULD EXPECT A
BRIEF PERIOD OF LOCALLY HEAVY DOWNPOURS AS THE REMNANT LOW RACES
ACROSS THE CENTRAL PART OF THE ISLAND TODAY. THESE DOWNPOURS COULD
DROP UP TO 15 OR 20 MM OF RAIN WITHIN THE SPAN OR 1 OR 2 HOURS.
SHOWERS MAY LINGER A BIT LONGER OVER THE NORTHERN PENINSULA IN
ASSOCIATION WITH THE AFOREMENTIONED TROUGH.
WINDS WILL BECOME GUSTY ACROSS THE SOUTHERN HALF OF THE ISLAND OF
NEWFOUNDLAND TODAY AS THE LOW MOVES NORTHEAST. I DO NOT EXPECT GUSTS
TO BE MUCH HIGHER THAN 70 KM/H IN THE USUAL EXPOSED LOCALITIES.
MODERATELY ROUGH SURF WILL DEVELOP ALONG THE SOUTHERN COASTS OF THE
ISLAND TODAY.
4. MARINE WEATHER IMPACTS AND WARNINGS SUMMARY
MARGINAL GALE FORCE WINDS ARE BEING CARRIED THROUGHOUT THE FORECAST
PERIOD SOUTH OF THE TRACK OF THE LOW. SEAS BETWEEN 3 AND 4 METRES
ARE FORECAST ALONG THE SOUTH COASTAL WATERS TODAY.
5. TECHNICAL DISCUSSION
A. ANALYSIS
AS MENTIONED ABOVE..SOME OF THE ORIGINAL STORM CORE REMAINS WITH
ARCING BANDS OF VERY HEAVY RAINFALL IN THE DOWNSHEAR (FRONT) SECTOR
OF THE LOW.
B. PROGNOSTIC
THIS HEAVY AREA OF RAIN WILL MOVE QUITE QUICKLY ACROSS THE ISLAND
THIS MORNING AND EARLY AFTERNOON. THE FAST MOTION SHOULD KEEP THE
RAINFALL TOTALS LESS THAN THOSE EXPERIENCED IN THE MARITIMES. THE
MAIN AREA OF RAIN COULD BE MOVING OFF TO THE NORTHEAST OF GANDER BY
MID MORNING.
C. PUBLIC WEATHER
STORM SUMMARY FOR THE MARITIMES:
TROPICAL STORM BERYL BECAME EXTRATROPICAL (OR POST-TROPICAL) BEFORE
MAKING LANDFALL AROUND 18Z JULY 21 NEAR YARMOUTH NOVA SCOTIA. THE
STORM THEN TRACKED ALONG THE ANNAPOLIS VALLEY..OVER TRURO..THEN
EASTERN PRINCE EDWARD ISLAND. VERY HEAVY DOWNPOURS WERE EXPERIENCED
OVER MOST OF MAINLAND NOVA SCOTIA..SOUTHERN NEW BRUNSWICK..PRINCE
EDWARD ISLAND AND NORTHERN CAPE BRETON ISLAND. GUSTY SOUTHERLY WINDS
BETWEEN 60 AND 80 KM/H WERE EXPERIENCED SOUTH OF THE TRACK OF THE
STORM. SOME ISOLATED COASTAL AREAS REPORTED GUSTS NEAR 90 KM/H
GREATEST RAINFALLS WERE RECORDED OVER WESTERN NOVA SCOTIA FROM
YARMOUTH AND UP THROUGH THE ANNAPOLIS VALLEY ALONG THE STORM TRACK.
THE MOST RAINFALL WAS RECORDED IN THE CAPE SPLIT AREA WITH 71 MM AT
SCOTT'S BAY. IN THESE AREAS THERE WERE OVER 25 MM OF RAIN FALLING IN
ONE HOUR DURING THE WORST OF THE STORM. IN THE HALIFAX AREA WINDS
GUSTED TO NEAR 80 KM/H CAUSING SOME POWER OUTAGES WITH THE BREAKING
OF SMALL TREE BRANCHES.
MORE DETAILED DATA WILL BE PROVIDED BY 7 AM TODAY UNDER HEADERS
AWCN11/14/15 CWHX.
D. MARINE WEATHER
NO WIND RADII INCLUDED DUE TO THE NON-TROPICAL NATURE OF THE WIND
FIELD.
END FOGARTY
POST-TROPICAL STORM BERYL INFORMATION STATEMENT ISSUED BY THE
CANADIAN HURRICANE CENTRE OF ENVIRONMENT CANADA AT 3.30 AM NDT
SATURDAY 22 JULY 2006.
THE NEXT STATEMENT WILL BE ISSUED BY 6.30 AM NDT
...RAIN FROM POST-TROPICAL STORM BERYL MERGING WITH TROUGH
OVER WESTERN NEWFOUNDLAND...
...A BRIEF STORM SUMMARY FOR THE MARITIME PROVINCES APPEARS AT
THE END OF THIS BULLETIN...A MORE COMPLETE SUMMARY WILL BE
ISSUED BY 7AM TODAY UNDER HEADERS AWCN11/14/15 CWHX..
1. CURRENT POSITION, STRENGTH, CENTRAL PRESSURE AND MOTION
AT 3.30 AM NDT... POST-TROPICAL STORM BERYL WAS LOCATED NEAR
LATITUDE 47.3 N AND LONGITUDE 60.4 W... ABOUT 50 NAUTICAL MILES
OR 95 KM WEST SOUTHWEST OF PORT AUX BASQUES. MAXIMUM SUSTAINED
WINDS ARE ESTIMATED AT 35 KNOTS... 65 KM/H... AND CENTRAL PRESSURE
AT 1002 MB. BERYL IS MOVING EAST NORTHEAST AT 26 KNOTS... 48 KM/H.
2. FORECAST POSITION, CENTRAL PRESSURE AND STRENGTH
DATE TIME LAT LON MSLP MAX WIND
NDT MB KTS KMH
JUL 22 3.30 AM 47.3N 60.4W 1002 35 65 POST-TROPICAL
JUL 22 9.30 AM 48.7N 57.0W 1003 35 65 POST-TROPICAL
JUL 22 3.30 PM 49.6N 53.6W 1004 35 65 POST-TROPICAL
JUL 22 9.30 PM 50.1N 50.1W 1004 35 65 POST-TROPICAL
JUL 23 3.30 AM 49.9N 46.8W 1004 30 56 POST-TROPICAL
JUL 23 9.30 AM 49.4N 44.0W 1004 30 56 POST-TROPICAL
JUL 23 3.30 PM 48.5N 41.2W 1005 30 56 POST-TROPICAL
3. PUBLIC WEATHER IMPACTS AND WARNINGS SUMMARY
THE ORIGINAL AREA OF RAIN ASSOCIATED WITH POST-TROPICAL STORM BERYL
IS MERGING WITH A TROUGH OF LOW PRESSURE OVER THE EASTERN GULF OF
ST LAWRENCE. HOWEVER THERE IS AN AREA OF CONCENTRATED RAINFALLS OVER
SOUTHWESTERN NEWFOUNDLAND AT FORECAST TIME. A REPORT FROM PORT AUX
BASQUES AT 05Z REPORTED 21.5 MM OF RAIN IN ONE HOUR WHICH IS A RATE
SIMILAR TO THAT OBSERVED WHEN EX-BERYL MOVED THROUGH THE MARITIMES.
NO RAINFALL WARNINGS ARE IN EFFECT..BUT THE PUBLIC SHOULD EXPECT A
BRIEF PERIOD OF LOCALLY HEAVY DOWNPOURS AS THE REMNANT LOW RACES
ACROSS THE CENTRAL PART OF THE ISLAND TODAY. THESE DOWNPOURS COULD
DROP UP TO 15 OR 20 MM OF RAIN WITHIN THE SPAN OR 1 OR 2 HOURS.
SHOWERS MAY LINGER A BIT LONGER OVER THE NORTHERN PENINSULA IN
ASSOCIATION WITH THE AFOREMENTIONED TROUGH.
WINDS WILL BECOME GUSTY ACROSS THE SOUTHERN HALF OF THE ISLAND OF
NEWFOUNDLAND TODAY AS THE LOW MOVES NORTHEAST. I DO NOT EXPECT GUSTS
TO BE MUCH HIGHER THAN 70 KM/H IN THE USUAL EXPOSED LOCALITIES.
MODERATELY ROUGH SURF WILL DEVELOP ALONG THE SOUTHERN COASTS OF THE
ISLAND TODAY.
4. MARINE WEATHER IMPACTS AND WARNINGS SUMMARY
MARGINAL GALE FORCE WINDS ARE BEING CARRIED THROUGHOUT THE FORECAST
PERIOD SOUTH OF THE TRACK OF THE LOW. SEAS BETWEEN 3 AND 4 METRES
ARE FORECAST ALONG THE SOUTH COASTAL WATERS TODAY.
5. TECHNICAL DISCUSSION
A. ANALYSIS
AS MENTIONED ABOVE..SOME OF THE ORIGINAL STORM CORE REMAINS WITH
ARCING BANDS OF VERY HEAVY RAINFALL IN THE DOWNSHEAR (FRONT) SECTOR
OF THE LOW.
B. PROGNOSTIC
THIS HEAVY AREA OF RAIN WILL MOVE QUITE QUICKLY ACROSS THE ISLAND
THIS MORNING AND EARLY AFTERNOON. THE FAST MOTION SHOULD KEEP THE
RAINFALL TOTALS LESS THAN THOSE EXPERIENCED IN THE MARITIMES. THE
MAIN AREA OF RAIN COULD BE MOVING OFF TO THE NORTHEAST OF GANDER BY
MID MORNING.
C. PUBLIC WEATHER
STORM SUMMARY FOR THE MARITIMES:
TROPICAL STORM BERYL BECAME EXTRATROPICAL (OR POST-TROPICAL) BEFORE
MAKING LANDFALL AROUND 18Z JULY 21 NEAR YARMOUTH NOVA SCOTIA. THE
STORM THEN TRACKED ALONG THE ANNAPOLIS VALLEY..OVER TRURO..THEN
EASTERN PRINCE EDWARD ISLAND. VERY HEAVY DOWNPOURS WERE EXPERIENCED
OVER MOST OF MAINLAND NOVA SCOTIA..SOUTHERN NEW BRUNSWICK..PRINCE
EDWARD ISLAND AND NORTHERN CAPE BRETON ISLAND. GUSTY SOUTHERLY WINDS
BETWEEN 60 AND 80 KM/H WERE EXPERIENCED SOUTH OF THE TRACK OF THE
STORM. SOME ISOLATED COASTAL AREAS REPORTED GUSTS NEAR 90 KM/H
GREATEST RAINFALLS WERE RECORDED OVER WESTERN NOVA SCOTIA FROM
YARMOUTH AND UP THROUGH THE ANNAPOLIS VALLEY ALONG THE STORM TRACK.
THE MOST RAINFALL WAS RECORDED IN THE CAPE SPLIT AREA WITH 71 MM AT
SCOTT'S BAY. IN THESE AREAS THERE WERE OVER 25 MM OF RAIN FALLING IN
ONE HOUR DURING THE WORST OF THE STORM. IN THE HALIFAX AREA WINDS
GUSTED TO NEAR 80 KM/H CAUSING SOME POWER OUTAGES WITH THE BREAKING
OF SMALL TREE BRANCHES.
MORE DETAILED DATA WILL BE PROVIDED BY 7 AM TODAY UNDER HEADERS
AWCN11/14/15 CWHX.
D. MARINE WEATHER
NO WIND RADII INCLUDED DUE TO THE NON-TROPICAL NATURE OF THE WIND
FIELD.
END FOGARTY
posted by Advackia at 9:14 AM
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