View Full Version : Hurricane Maria Public Advisory Number 22

09-21-2017, 10:11 AM
Issued at 1100 AM AST Thu Sep 21 2017 000WTNT35 KNHC 211447TCPAT5BULLETINHurricane Maria Advisory Number 22NWS National Hurricane Center Miami FL AL1520171100 AM AST Thu Sep 21 2017...MARIA HEADING TOWARD THE TURKS AND CAICOS ISLANDS......HEAVY RAINFALL AND FLOODING CONTINUES IN PUERTO RICO AND THEDOMINICAN REPUBLIC...SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION-----------------------------------------------LOCATION...20.2N 69.1WABOUT 105 MI...175 KM ENE OF PUERTO PLATA DOMINICAN REPUBLICABOUT 155 MI...255 KM SE OF GRAND TURK ISLANDMAXIMUM SUSTAINED WINDS...115 MPH...185 KM/HPRESENT MOVEMENT...NW OR 310 DEGREES AT 9 MPH...15 KM/HMINIMUM CENTRAL PRESSURE...960 MB...28.35 INCHESWATCHES AND WARNINGS--------------------CHANGES WITH THIS ADVISORY:The government of the Dominican Republic has discontinued theTropical Storm Warning along the southern coast of the DominicanRepublic west of Andres/Boca Chica. The Hurricane Watch from IslaSaona to Cabo Engano has also been discontinued.SUMMARY OF WATCHES AND WARNINGS IN EFFECT:A Hurricane Warning is in effect for...* Dominican Republic from Cabo Engano to Puerto Plata* Turks and Caicos Islands and the Southeastern BahamasA Tropical Storm Warning is in effect for...* Dominican Republic west of Puerto Plata to the northern border ofthe Dominican Republic and Haiti* Dominican Republic west of Cabo Engano to Andres/Boca ChicaA Tropical Storm Watch is in effect for...* Central BahamasA Hurricane Warning means that hurricane conditions are expectedsomewhere within the warning area. Preparations to protect life andproperty should be rushed to completion.A Tropical Storm Warning means that tropical storm conditions areexpected somewhere within the warning area.A Tropical Storm Watch means that tropical storm conditions arepossible within the watch area, generally within 48 hours.Interests elsewhere in Hispaniola and the Bahamas should monitor theprogress of Maria.For storm information specific to your area, please monitorproducts issued by your national meteorological service.DISCUSSION AND 48-HOUR OUTLOOK------------------------------At 1100 AM AST (1500 UTC), the large eye of Hurricane Maria waslocated near latitude 20.2 North, longitude 69.1 West. Maria ismoving toward the northwest near 9 mph (15 km/h), and this generalmotion is expected to continue through tonight. A turn toward thenorth-northwest is forecast early Friday, with that motioncontinuing through early Saturday. On the forecast track, Maria'seye will continue to pass offshore of the northern coast of theDominican Republic today, and then move near or just east of theTurks and Caicos Islands and southeastern Bahamas tonight and onFriday.Data from an Air Force Reserve reconnaissance aircraft indicate thatmaximum sustained winds remain near 115 mph (185 km/h) with highergusts. Maria is a category 3 hurricane on the Saffir-SimpsonHurricane Wind Scale. Some strengthening is possible during thenext day or so.Hurricane-force winds extend outward up to 60 miles (95 km) from thecenter, and tropical-storm-force winds extend outward up to 150miles (240 km).The minimum central pressure based on aircraft data is 960 mb (28.35inches).HAZARDS AFFECTING LAND----------------------WIND: Hurricane and tropical storm conditions continue acrossportions of the Dominican Republic. Tropical storm conditions areexpected to begin in the Turks and Caicos Islands and thesoutheastern Bahamas later today, with hurricane conditionsexpected tonight or early Friday. Tropical storm conditions arepossible in the central Bahamas beginning late Friday.Strong gusty winds are still possible today over portions of PuertoRico, especially in heavier rainbands that are moving over theisland.STORM SURGE: A dangerous storm surge accompanied by large anddestructive waves will raise water levels by as much as 4 to 6 feetabove normal tide levels in the hurricane warning area in theDominican Republic, and 1 to 3 ft elsewhere along the northerncoasts of the Dominican Republic and Haiti.A dangerous storm surge accompanied by large and destructive waveswill raise water levels by as much as 9 to 12 feet above normaltide levels within the hurricane warning area of the southeasternBahamas and the Turks and Caicos Islands.RAINFALL: Maria is expected to produce the following rainfallaccumulations through Saturday:Puerto Rico...additional 4 to 8 inches, isolated maximum storm totalamounts 35 inches.U.S. and British Virgin Islands...additional 2 to 4 inches.Northern and eastern Dominican Republic, Turks and Caicos, andMayaguana in southeast Bahamas...8 to 16 inches, isolated 20 inches.Inagua Islands, Crooked Island, and rest of southeast Bahamas...4 to8 inches.Northern Haiti...2 to 4 inches.Rainfall on these islands will continue to cause life-threateningflash floods and mudslides.SURF: Swells generated by Maria are affecting Puerto Rico, theVirgin Islands, the northern coast of Hispaniola, the Turks andCaicos Islands, and the southeastern Bahamas. These swells willreach the remainder of the Bahamas today and tonight and shouldreach portions of the United States southeastern coast on Friday.These swells are likely to cause life-threatening surf and ripcurrent conditions. Please consult products from your local weatheroffice.NEXT ADVISORY-------------Next intermediate advisory at 200 PM AST.Next complete advisory at 500 PM AST.$$Forecaster Berg

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