Tropical Storm Alberto (TS)
a. Synoptic History
On 1 August a weak surface low pressure center moved off
the Mid-Atlantic Coast with a trailing surface through extending southwestward
into the extreme northeast Gulf of Mexico. During the next several days,
the northern portion of the trough dissipated. However, the portion that
extended over the northeast Gulf persisted and by 3 August it began to
drift slowly toward the west. Upper air analysis at 0000 UTC 3 August
indicated cyclonic circulation had developed from 850 millibars upward
through the 500-millibar level and a 200-millibar cut off low had formed
over eastern Texas. The first sign of a surface circulation (1015-millibar)
was observed at 0000 UTC 4 August on the Mississippi Coast. During the
next several days, the weak broad circulation remained quasi-stationary
over the Mississippi Sound. Meanwhile the middle and upper atmosphere
gradually became better organized as the cyclonic circulation increased
and aligned in the vertical. At the 200-millibar level the cold low drifted
toward the southwest and a 200-millibar anticyclone developed over the
By 0000 UTC 7 August the surface low had drifted toward the
northwest and was centered over southeastern Louisiana. Visible satellite
imagery during the day of 7 August showed a well organized system. By
0000 UTC 8 August the low center had begun to drift southeastward toward
the Gulf waters, and an initial tropical depresison advisory was issued
by the National Hurricane Center. Based opon ship reports and observations
from oil rigs, the depression was upgraded to a tropical storm at 1000
UTC 8 August.
b. Meteorological Statistics
Tropical Storm Beryl produced minimal tropical storm force
winds over the open waters of the Gulf and tropical storm force Gusts
over the coastal sections of southeast Louisiana, Mississippi and Alabama.
A maximum sustained winds of 46 mph at Gulfport was the strongest reported
from a land station, while the ship Primula DHOU and the
offshore oil rig P21(MP73) each observed a maximum sustained wind
of 53 mph.
1. Storm Surge DataHigest tides, in excess of 5 feet, were observed along the east coast of extreme southeastern Louisiana. Onshore winds pushed tides to more than 4 feet above normal along the Mississippi Coast, while tides of only 1 to 2 feet above normal were observed along the coastal sections of Alabama and the extreme western Florida Panhandle.
2. Rainfall DataHeaviest rainfall from the system occured over eastern Texas on 11 August as the remnants of Beryl dumped up to 12.5 inches of rain during the day. Storm totals of over 11 inches were reported at Dauphine Island, Alabama while close to 10 inches fell at Foley, Alabama and Bay St. Louis, Mississippi. Elsewhere, storm totals of 3 to 5 inches were received over the southern portions of Louisiana, Mississippi and Alabama
c. Casualty and Damage Statistics
There was 1 deaths attributed to Beryl; 1 in Alabama.
Intensity For Tropical Storm Beryl