Meteorological Analysis
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Cristobal originated from the same surface trough that generated Bertha.
On August 1st the surface trough stretched from the Gulf of Mexico to the
Atlantic. On August 4th a low pressure area formed along the trough near the
Carolinas. This low organized under favorable environmental conditions and
became a tropical depression about 150 nm ESE of Charleston, South Carolina.
Dry air and shear initially inhibited the depression's development as it drifted
SSE. The depression's circulation also started becoming elongated due to an
approaching front. Nonetheless, on August 6th the depression strengthened
into tropical storm Cristobal. Cristobal then began moving east on the 7th from
an approaching trough and the storm organized a bit more. Cristobal
strengthened to its max intensity of 50 mph on the 8th. Cristobal then accelerated NE
on the 8th and lost convection as dry air wrapped into the circulation. On the
9th Cristobal was absorbed by a frontal boundary as its circulation opened up.
Cristobal was about 300 nm off of North Carolina at the time.
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Casualty and Damage Overview
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There were no reports of casualties or damage in association with Cristobal.
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Cristobal Hurricane Research Division Products
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Imagery
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Tracking Data
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Tropical Storm Cristobal
Time Lat Lon Wind(mph) Pressure Storm type
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18 GMT 08/05/02 32.0N 77.2W 35 1008 Tropical Depression
0 GMT 08/06/02 31.5N 77.1W 35 1004 Tropical Depression
6 GMT 08/06/02 31.1N 77.0W 35 1004 Tropical Depression
12 GMT 08/06/02 30.7N 76.6W 35 1004 Tropical Depression
18 GMT 08/06/02 30.4N 76.4W 40 1002 Tropical Storm
0 GMT 08/07/02 30.1N 76.2W 45 999 Tropical Storm
6 GMT 08/07/02 29.7N 76.2W 45 999 Tropical Storm
12 GMT 08/07/02 29.4N 76.0W 45 999 Tropical Storm
18 GMT 08/07/02 29.7N 75.7W 45 1000 Tropical Storm
0 GMT 08/08/02 29.7N 75.3W 50 1000 Tropical Storm
6 GMT 08/08/02 29.7N 74.9W 50 1000 Tropical Storm
12 GMT 08/08/02 29.9N 74.0W 50 1003 Tropical Storm
18 GMT 08/08/02 31.0N 72.0W 50 1008 Tropical Storm
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Tracking maps courtesy of NHC
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Selected Satellite Image
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