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#873294 (Received by flhurricane at: 4:59 PM 29.Aug.2016)
TCDAT4

TROPICAL DEPRESSION NINE DISCUSSION NUMBER 5
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092016
500 PM EDT MON AUG 29 2016

The tropical cyclone's cloud pattern has not become better organized
this afternoon, with the low-level center partially exposed just to
the north of a ragged-looking area of deep convection. Observations
from a NOAA Hurricane Hunter aircraft support keeping the intensity
at 30 kt at this time. Given the system's currently disorganized
appearance, it does not seem likely that there will be much
strengthening in the short term. Since the cyclone will be moving
over very waters and in an environment of moderate westerly shear,
however, gradual intensification is expected during the next couple
of days. When the system nears the Florida Gulf coast, increasing
upper-level winds should limit strengthening. The official
intensity forecast is close to the model consensus.

Based on fixes from the NOAA aircraft, the motion is a slow 290/4
kt. There is little change to the expected steering flow evolution.
In 2-3 days, a mid-tropospheric trough is forecast to begin digging
over the southeastern United States. This feature should cause the
tropical cyclone to turn toward the right while it moves over the
eastern Gulf, and to accelerate northeastward across northern
Florida. The official track forecast is essentially a blend of the
latest ECMWF and GFS predictions.

Given the current forecast, a tropical storm or hurricane watch may
be required for a portion of the Florida Gulf coast as early as
tomorrow morning.

FORECAST POSITIONS AND MAX WINDS

INIT 29/2100Z 24.0N 84.8W 30 KT 35 MPH
12H 30/0600Z 24.2N 85.6W 35 KT 40 MPH
24H 30/1800Z 24.6N 86.6W 40 KT 45 MPH
36H 31/0600Z 25.5N 87.0W 45 KT 50 MPH
48H 31/1800Z 26.8N 86.2W 50 KT 60 MPH
72H 01/1800Z 29.3N 83.5W 55 KT 65 MPH
96H 02/1800Z 32.5N 77.0W 50 KT 60 MPH
120H 03/1800Z 35.0N 70.0W 50 KT 60 MPH

$$
Forecaster Pasch