Environmental

Hurricane Irene Advisory, August 23, 2011 (11 PM EDT)


Miami, Florida—(ENEWSPF)—August 23, 2011 – 11 PM EDT. Below is all the raw data available for hurricane Irene. We publish this in order to get as much information to the public in as timely a fashion as possible. Check back for our 2 AM (EDT) update.

…WEATHER RAPIDLY DETERIORATING IN THE SOUTHEASTERN BAHAMAS AS HURRICANE IRENE APPROACHES…

SUMMARY OF 1100 PM EDT…INFORMATION

LOCATION…21.3N 72.4W ABOUT 410 MI…655 KM SE OF NASSAU ABOUT 980 MI…1575 KM SSE OF CAPE HATTERAS NORTH CAROLINA MAXIMUM SUSTAINED WINDS…90 MPH…150 KM/H

PRESENT MOVEMENT...WNW OR 295 DEGREES AT 9 MPH…15 KM/H

MINIMUM CENTRAL PRESSURE…969 MB…28.61 INCHES

WATCHES AND WARNINGS

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY…

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT…

A HURRICANE WARNING IS IN EFFECT FOR…

  • TURKS AND CAICOS ISLANDS  
  • THE SOUTHEASTERN…CENTRAL…AND NORTHWESTERN BAHAMAS

A TROPICAL STORM WARNING IS IN EFFECT FOR…

  • NORTH COAST OF HAITI FROM LE MOLE ST. NICHOLAS EASTWARD TO THE DOMINICAN REPUBLIC BORDER

FOR STORM INFORMATION SPECIFIC TO YOUR AREA …PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.

DISCUSSION AND 48-HOUR OUTLOOK

AT 1100 PM EDT…0300 UTC…THE CENTER OF HURRICANE IRENE WAS LOCATED NEAR LATITUDE 21.3 NORTH…LONGITUDE 72.4 WEST. IRENE IS MOVING TOWARD THE WEST-NORTHWEST NEAR 9 MPH…15 KM/H. A GRADUAL TURN TOWARD THE NORTHWEST IS EXPECTED ON WEDNESDAY.  ON THE FORECAST TRACK…THE CORE OF IRENE WILL MOVE ACROSS THE SOUTHEASTERN AND CENTRAL BAHAMAS ON WEDNESDAY AND THE NORTHWESTERN BAHAMAS ON THURSDAY.

MAXIMUM SUSTAINED WINDS REMAIN NEAR 90 MPH…150 KM/H…WITH HIGHER GUSTS.  IRENE IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON SCALE.  STRENGTHENING IS FORECAST AND IRENE COULD BECOME A MAJOR HURRICANE DURING THE NEXT DAY OR SO.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 40 MILES…65 KM…FROM THE CENTER…AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 205 MILES…335 KM.

LATEST MINIMUM CENTRAL PRESSURE REPORTED BY BOTH AIR FORCE AND NOAA HURRICANE HUNTER PLANES WAS 969 MB…28.61 INCHES.

HAZARDS AFFECTING LAND

WIND...HURRICANE CONDITIONS WILL CONTINUE OVER THE TURKS AND CAICOS ISLANDS DURING THE NEXT FEW HOURS. HURRICANE CONDITIONS ARE PROBABLY SPREADING OVER THE SOUTHEASTERN BAHAMAS AND WINDS WILL BEGIN TO INCREASE OVER THE CENTRAL BAHAMAS ON WEDNESDAY. TROPICAL STORM CONDITIONS ARE EXPECTED IN THE NORTHWESTERN BAHAMAS BY LATE WEDNESDAY…WITH HURRICANE CONDITIONS EXPECTED BY THURSDAY.

STORM SURGE…IN AREAS OF ONSHORE FLOW NEAR THE CENTER OF IRENE…AN EXTREMELY DANGEROUS STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 7 TO 11 FEET ABOVE NORMAL TIDE LEVELS OVER THE CENTRAL AND NORTHWESTERN BAHAMAS…AND BY AS MUCH AS 5 TO 8 FEET ABOVE NORMAL TIDE LEVELS OVER THE SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS. NEAR THE COAST…THE SURGE WILL BE ACCOMPANIED BY LARGE AND DANGEROUS WAVES. A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS ALONG THE NORTH COAST OF HAITI.

RAINFALL…IRENE IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL ACCUMULATIONS OF 1 TO 3 INCHES ACROSS PUERTO RICO AND HISPANIOLA.

ISOLATED MAXIMUM STORM TOTAL AMOUNTS OF 15 INCHES ARE POSSIBLE IN ASSOCIATION WITH IRENE. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES IN AREAS OF STEEP TERRAIN.  RAINFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED IN THE BAHAMAS…AND THE TURKS AND CAICOS ISLANDS.

Source: nhc.noaa.gov

RELATED POSTS:  

Status Update as of August 23, 2011 – 2 PM EDT- https://www.enewspf.com/latest-news/science-a-environmental/26323-hurricane-irene-advisory-august-23-2011-2-pm-edt.html

Status Update as of August 23, 2011 – 5 PM EDT – https://www.enewspf.com/latest-news/science-a-environmental/26337-hurricane-irene-advisory-august-23-2011-5-pm-edt.html

Status Update as of August 23, 2011 – 8 PM EDT – https://www.enewspf.com/latest-news/science-a-environmental/26345-hurricane-irene-advisory-august-23-2011-8-pm-edt.html

Status Update as of August 23, 2011 – 11 PM EDT – https://www.enewspf.com/latest-news/science-a-environmental/26348-hurricane-irene-advisory-august-23-2011-11-pm-edt.html

Status Update as of August 24, 2011 – 2 AM EDT – https://www.enewspf.com/latest-news/science-a-environmental/26350-hurricane-irene-advisory-august-24-2011-2-am-edt.html

Status Update as of August 24, 2011 – 5 AM EDThttps://www.enewspf.com/latest-news/science-a-environmental/26351-hurricane-irene-advisory-august-24-2011-5-am-ed.html

Status Update as of August 24, 2011 – 8 AM EDT – https://www.enewspf.com/latest-news/science-a-environmental/26352-hurricane-irene-advisory-august-24-2011-8-am-edt.html

Status Update as of August 24, 2011 – 8 AM EDT – https://www.enewspf.com/latest-news/science-a-environmental/26352-hurricane-irene-advisory-august-24-2011-8-am-edt.html

www.nhc.noaa.gov/


[Image of initial wind radii]

About this product:

This graphic shows the areas potentially being affected by the sustained winds of tropical storm force (in orange) and hurricane force (in red). The display is based on the wind radii contained in the latest Forecast/Advisory (indicated at the top of the figure). Users are reminded that the Forecast/Advisory wind radii represent the maximum possible extent of a given wind speed within particular quadrants around the tropical cyclone. As a result, not all locations falling within the orange or red shaded areas will be experiencing sustained tropical storm or hurricane force winds, respectively.

In addition to the wind field, this graphic shows an approximate representation of coastal areas under a hurricane warning (red), hurricane watch (pink), tropical storm warning (blue) and tropical storm watch (yellow). The white dot indicates the current position of the center of the tropical cyclone, and the dashed line shows the history of the center of the tropical cyclone. 


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