Isaac: Slight Westerly Jog, Boca Storm Warning Remains

Isaac and Boca Raton

This is the latest prediction map from the National Hurricane Center as of 5p on Saturday.

BOCA RATON, FL (BocaNewsNow.com) — A minor shift to the West for Isaac is revealed in the 5pm update from the National Hurricane Center, but little has changed when it comes to watches and warnings. As of this update, the Tropical Storm Warning for Boca Raton and much of Palm Beach County remains in effect. A Hurricane Watch is in effect from the northern part of Miami-Dade County south through the Keys.

Read the full advisories by clicking the link in the red banner at the top of this page.

Our complete updated coverage is here.

Here are the highlights from the NHC:

DISCUSSION AND 48-HOUR OUTLOOK

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AT 500 PM EDT…2100 UTC…THE CENTER OF TROPICAL STORM ISAAC WAS

LOCATED NEAR LATITUDE 21.3 NORTH…LONGITUDE 76.0 WEST. ISAAC IS

MOVING TOWARD THE NORTHWEST NEAR 21 MPH…33 KM/H…AND THIS

GENERAL MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 48 HOURS.

ON THE FORECAST TRACK…THE CENTER OF ISAAC SHOULD MOVE NEAR OR

OVER EASTERN CUBA THIS EVENING…NEAR OR OVER CENTRAL CUBA

TONIGHT…AND MOVE NEAR OR OVER THE FLORIDA KEYS AND THE SOUTHERN

FLORIDA PENINSULA SUNDAY OR SUNDAY NIGHT.

MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH…95 KM/H…WITH HIGHER

GUSTS. STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS…AND

ISAAC IS EXPECTED TO BE AT OR NEAR HURRICANE STRENGTH WHEN IT

REACHES THE FLORIDA KEYS.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 205 MILES…335 KM

MAINLY TO THE NORTH OF THE CENTER.

THE ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON HURRICANE HUNTER

AIRCRAFT AND CUBAN SURFACE OBSERVATIONS IS 997 MB…29.44 INCHES.

HAZARDS AFFECTING LAND

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RAINFALL…TOTAL RAINFALL ACCUMULATIONS OF 8 TO 12 INCHES…WITH

MAXIMUM AMOUNTS OF 20 INCHES…ARE POSSIBLE OVER HISPANIOLA. THESE

RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES.

TOTAL RAIN ACCUMULATIONS OF 4 TO 8 INCHES…WITH MAXIMUM AMOUNTS OF

12 INCHES…ARE POSSIBLE ACROSS JAMAICA…THE CENTRAL AND EASTERN

PORTIONS OF CUBA…THE FLORIDA KEYS AND THE SOUTHERN PENINSULA OF

FLORIDA. TOTAL RAIN ACCUMULATIONS OF 3 TO 5 INCHES ARE POSSIBLE

OVER THE CENTRAL AND SOUTHERN BAHAMAS.

WIND…TROPICAL STORM CONDITIONS ARE OCCURRING OVER PORTIONS OF THE

HAITI…EASTERN CUBA…THE CENTRAL AND SOUTHEASTERN BAHAMAS AND THE

TURKS AND CAICOS ISLANDS. TROPICAL STORM CONDITIONS ARE EXPECTED

OVER THE NORTHWESTERN BAHAMAS BY SUNDAY MORNING. HURRICANE

CONDITIONS ARE POSSIBLE ON ANDROS ISLAND ON SUNDAY. TROPICAL STORM

CONDITIONS ARE EXPECTED OVER CENTRAL CUBA TONIGHT. TROPICAL STORM

CONDITIONS ARE EXPECTED TO REACH NORTHWESTERN CUBA ON SUNDAY.

HURRICANE CONDITIONS ARE EXPECTED IN THE HURRICANE WARNING AREA IN

SOUTHWEST FLORIDA AND THE FLORIDA KEYS ON SUNDAY…WITH TROPICAL

STORM CONDITIONS EXPECTED BY EARLY SUNDAY. HURRICANE CONDITIONS ARE

POSSIBLE IN THE HURRICANE WATCH AREA IN SOUTHEAST FLORIDA ON

SUNDAY…WITH TROPICAL STORM CONDITIONS EXPECTED IN THE TROPICAL

STORM WARNING AREA IN FLORIDA BY EARLY SUNDAY. TROPICAL STORM

CONDITIONS COULD SPREAD NORTHWARD ALONG THE WEST COAST OF FLORIDA IN

THE WATCH AREA BY EARLY MONDAY.

STORM SURGE…THE COMBINATION OF A STORM SURGE AND THE TIDE WILL

CAUSE NORMALLY DRY AREAS NEAR THE COAST TO BE FLOODED BY RISING

WATERS. THE WATER COULD REACH THE FOLLOWING DEPTHS ABOVE GROUND IF

THE PEAK SURGE OCCURS AT THE TIME OF HIGH TIDE…

* SOUTHWEST FLORIDA COAST WITHIN HURRICANE WARNING AREA…5 TO 7 FT

* FLA WEST COAST WITHIN WATCH AREA INCLUDING TAMPA BAY…3 TO 5 FT

* SOUTHEAST FLORIDA COAST AND THE FLORIDA KEYS…1 TO 3 FT

* HISPANIOLA AND EASTERN CUBA…1 TO 3 FT

* THE BAHAMAS AND TURKS AND CAICOS…1 TO 3 FT

THE DEEPEST WATER WILL OCCUR ALONG THE IMMEDIATE COAST IN AREAS OF

ONSHORE FLOW. SURGE-RELATED FLOODING DEPENDS ON THE RELATIVE TIMING

OF THE SURGE AND THE TIDAL CYCLE…AND CAN VARY GREATLY OVER SHORT

DISTANCES. FOR INFORMATION SPECIFIC TO YOUR AREA…PLEASE SEE

PRODUCTS ISSUED BY YOUR LOCAL WEATHER SERVICE OFFICE. NEAR THE

COAST…THE SURGE WILL BE ACCOMPANIED BY DANGEROUS WAVES.

SURF…DANGEROUS SURF AND RIP CURRENT CONDITIONS WILL AFFECT

HISPANIOLA…THE BAHAMAS…THE TURKS AND CAICOS…EASTERN AND

CENTRAL CUBA…AND THE EAST COAST OF FLORIDA AND THE FLORIDA KEYS

DURING THE NEXT COUPLE OF DAYS. PLEASE CONSULT PRODUCTS FROM YOUR

LOCAL WEATHER OFFICE FOR MORE INFORMATION.

 

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