cmc52 weather impacts on dominica 2012

CMC52 WEATHER IMPACTS ON

DOMINICA 2012

Fitzroy Pascal

DOMINICA

RAINFALL FOR MELVILLE HALL

jan feb mar apr may jun jul aug sep oct0.0

50.0

100.0

150.0

200.0

250.0

300.0

350.0

400.0

450.0

500.0

MONTHLY RAINFALL AT MELVILLE HALL AIRPORT

2011 2012 30yr average

month

mill

imet

res

RAINFALL FOR CANEFIELD

jan feb mar apr may jun jul aug sep oct0.0

50.0100.0150.0200.0250.0300.0350.0400.0450.0

MONTHLY RAINFALL AT CANEFIELD AIRPORT

2011 2012 30yr average

month

mill

imet

res

WEATHER SYSTEMS

TD 5 / TS ERNESTO (Aug)TD 7 / TW (Aug)TD 9 / TS ISAAC (Aug)TS RAFAEL (Oct)

ERNESTO Aug 1 TD 5 was 850 miles east of Windward Islands; a TS Watch

was issued for Dominica

Aug 2 TS Warning issued at 5p.m. system now Ernesto and was expected to pass south of Dominica

At 11p.m. Ernesto was 240km SE of Dominica moving W near 22mph

Aug 3 at 8a.m. Ernesto was 140km S of Dominica moving W 24mph

At 11a.m. with Ernesto 140km SW of the island; the TS Warning was discontinued

ERNESTO RAINS

ERNESTO RAINS

TD #7

Aug 9 TD 7 forms 1155 miles east of Windward Islands

Aug 10 At 5p.m. TS Watch was issued for Dominica when the system was 630 miles ESE of the island moving west near 24mph

Aug 11 TD7 degenerated to a TW at 11a.m. and the TS Watch was discontinued for Dominica

DCF AWS RWY 19 (AUGUST 12)

RAINFALL DATA FOR TD 7

Station Sat 11 8p.m../Sun12 8a.m..

Sun12 8a.m./Sun 12 8p.m.

Sun12 8p.m./Mon13 8a.m.

Melville Hall 38.0 mm 0.0 mm 0.0 mm

Canefield 102.0 mm 5.3 mm 0.4 mm

ISAAC Aug 21 TD 9 formed east of the Lesser Antilles

A TS Warning was issued for Dominica

At 5p.m. the system was upgraded to TS Isaac and was 495 miles east of Dominica moving west at 17mph

Aug 22 at 5p.m. Isaac was 50 miles north of Dominica

Aug 23 at 8a.m. the TS Warning was discontinued by then Isaac was 225 miles west of Dominica

LESLIE

RAFAEL Oct 10 An Alert issued on an active TW 750 miles east of Windward

islands which was expected to move across Dominica Fri 12 to Sat 13

Oct 12 at 7a.m. a Special Weather Bulletin issued for Dominica for Strong TW & Assoc. Area of Low Pressure

At 2p.m. the Broad Area of Low Pressure was 100 miles west of Dominica

8p.m. the system was upgraded to TS Rafael. Portions of the Lesser Antilles was placed under watches and warnings

Dominica was not placed under a watch or warning

Oct 13 5a.m. Rafael was 170 miles west of Dominica moving NW near 9mph

WIND AND RAINFALL DATA (TDPD & TDCF)Date Gust 24 hr Rainfall

(mm)Thu11/Fri12 36kts/67kph 15.0Fri12/Sat13 38kts/70kph 78.5Sat13/Sun14 No Gust Recorded 23.3

Date Gust 24 hr Rainfall (mm)

Thu11/Fri12 22kts/41kph 33.6Fri12/Sat13 21kts/39kph 26.2Sat13/Sun14 24kts/44kph 43.8

Canefield

Mellville Hall

SUMMARY

Four systems had significant impact on the island of

Dominica

These were predominantly rainfall events

Rehabilitation was estimated to be in excess of EC $32 million