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Tropical Depression #10

12:52 PM Fri, Sep 21, 2007 |
Dawn Brown
 E-mail

The National Hurricane Center's latest analysis of depression #10 indicates it has become a tropical depression... otherwise no major changes since the 10am advisory.

Earlier the NHC classified the storm as subtropical... it has now made the transition to a warm core tropical system. A tropical system has a better chance of intensifying or strengthening. Maximum sustained winds are still near 35 miles per hour. Some strengthening is forecast. However, most of the thunderstorm activity is well to the east of the storm, and is moving over Florida.

There are two scenarios:
One: The center of the storm moves in to our North and East. We have partly to mostly cloudy skies on Saturday and some rainfall, mainly on the northshore... possibly up to 4 inches.

Two: If the center of the storm tracks farther to the West, we could have some locally heavy rainfall... winds up to 40 miles per hour.


The Latest from the NHC:

DEPRESSION BECOMES TROPICAL...

SATELLITE IMAGERY INDICATES THAT THE SUBTROPICAL DEPRESSION HAS
ACQUIRED ENOUGH TROPICAL CHARACTERISTICS TO BE CONSIDERED A
TROPICAL DEPRESSION.

A TROPICAL STORM WARNING REMAINS IN EFFECT FROM APALACHICOLA FLORIDA WESTWARD TO THE MOUTH OF THE MISSISSIPPI RIVER...INCLUDING NEW ORLEANS AND LAKE PONTCHARTRAIN. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS.

AT 100 PM THE CENTER OF TROPICAL DEPRESSION TEN WAS LOCATED NEAR LATITUDE 29.7 NORTH...LONGITUDE 85.9 WEST OR ABOUT 50
MILES SOUTHWEST OF APALACHICOLA FLORIDA AND ABOUT 155
MILES EAST-SOUTHEAST OF MOBILE ALABAMA.

THE DEPRESSION IS MOVING TOWARD THE NORTHWEST NEAR 11 MPH. A TURN TO THE WEST-NORTHWEST IS EXPECTED DURING THE NEXT 24 HOURS. ON THE FORECAST TRACK...THE CENTER OF THE DEPRESSION WILL BE MOVING NEARLY PARALLEL TO THE COASTLINE WITHIN THE WARNING AREA TODAY AND TONIGHT.

MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH. THE DEPRESSION IS EXPECTED TO BECOME A TROPICAL STORM LATER
TODAY OR TOMORROW.

THE MINIMUM CENTRAL PRESSURE REPORTED BY A RECONNAISSANCE AIRCRAFT WAS 1006 MB...29.71 INCHES.

RAINFALL ACCUMULATIONS OF 2 TO 4 INCHES...WITH ISOLATED MAXIMUM
AMOUNTS OF 6 INCHES...CAN BE EXPECTED IN ASSOCIATION WITH THE
DEPRESSION.

ISOLATED TORNADOES ARE POSSIBLE OVER SOUTHWESTERN GEORGIA...THE FLORIDA PANHANDLE...AND SOUTHEASTERN ALABAMA THROUGH TONIGHT.

COASTAL STORM SURGE FLOODING OF 1 TO 2 FEET ABOVE NORMAL TIDE LEVELS CAN BE EXPECTED IN AREAS OF ONSHORE FLOW.

REPEATING THE 100 PM CDT POSITION...29.7 N...85.9 W. MOVEMENT
TOWARD...NORTHWEST NEAR 11 MPH. MAXIMUM SUSTAINED WINDS...35 MPH.
MINIMUM CENTRAL PRESSURE...1006 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL
HURRICANE CENTER AT 400 PM.




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