Hurricane Igor
Public Advisory 17
000
WTNT32 KNHC 121453
TCPAT2
BULLETIN
TROPICAL DEPRESSION TWELVE ADVISORY NUMBER 1
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL122010
1100 AM AST SUN SEP 12 2010
...TROPICAL DEPRESSION FORMS IN THE FAR EASTERN ATLANTIC...TROPICAL
STORM WARNING ISSUED FOR THE SOUTHERN CAPE VERDE ISLANDS...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...12.7N 21.4W
ABOUT 250 MI...400 KM SE OF THE SOUTHERNMOST CAPE VERDE ISLANDS
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/HR
PRESENT MOVEMENT...W OR 275 DEGREES AT 14 MPH...22 KM/HR
MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
THE GOVERNMENT OF THE CAPE VERDE ISLANDS HAS ISSUED A TROPICAL STORM
WARNING FOR THE SOUTHERN CAPE VERDE ISLANDS...INCLUDING MAIO..SAO
TIAGO...FOGO...AND BRAVA.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE SOUTHERN CAPE VERDE ISLANDS...INCLUDING MAIO..SAO TIAGO...
FOGO...AND BRAVA
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED IN THE WARNING AREA...IN THIS CASE IN THE NEXT 12 TO 24
HOURS.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF TROPICAL DEPRESSION TWELVE
WAS LOCATED NEAR LATITUDE 12.7 NORTH...LONGITUDE 21.4 WEST. THE
DEPRESSION IS MOVING TOWARD THE WEST NEAR 14 MPH...22 KM/HR. THIS
GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS.
ON THE FORECAST TRACK...THE CENTER OF THE DEPRESSION IS EXPECTED TO
PASS NEAR THE SOUTHERNMOST CAPE VERDE ISLANDS TONIGHT AND MONDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH...55 KM/HR...WITH HIGHER
GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT COUPLE OF
DAYS...AND THE DEPRESSION IS EXPECTED TO BECOME A TROPICAL STORM
TONIGHT OR MONDAY.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1006 MB...29.71 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO REACH THE WARNING
AREA TONIGHT.
RAINFALL...THE DEPRESSION IS EXPECTED TO PRODUCE TOTAL RAIN
ACCUMULATIONS OF 3 TO 5 INCHES OVER MUCH OF THE CAPE VERDE ISLANDS
...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 8 INCHES. THESE RAINS
COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES.
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...200 PM AST.
NEXT COMPLETE ADVISORY...500 PM AST.
$$
FORECASTER BRENNAN
000
WTNT31 KNHC 121455
TCPAT1
BULLETIN
HURRICANE IGOR ADVISORY NUMBER 17
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010
1100 AM AST SUN SEP 12 2010
...IGOR BECOMES A CATEGORY TWO HURRICANE...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...17.7N 45.7W
ABOUT 1145 MI...1840 KM E OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/HR
PRESENT MOVEMENT...W OR 270 DEGREES AT 13 MPH...20 KM/HR
MINIMUM CENTRAL PRESSURE...970 MB...28.64 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 17.7 NORTH...LONGITUDE 45.7 WEST. IGOR IS MOVING
TOWARD THE WEST NEAR 13 MPH...20 KM/HR. A TURN TOWARD THE
WEST-NORTHWEST IS EXPECTED ON TUESDAY.
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 105 MPH...165 KM/HR
...WITH HIGHER GUSTS. IGOR IS A CATEGORY TWO HURRICANE ON THE
SAFFIR-SIMPSON SCALE. ADDITIONAL STRENGTHENING IS FORECAST...AND
IGOR COULD BECOME A MAJOR HURRICANE BY MONDAY.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140
MILES...220 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 INCHES.
HAZARDS AFFECTING LAND
----------------------
NONE.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...500 PM AST.
$$
FORECASTER ROBERTS/BRENNAN
