Subtropical Depression Alberto Advisory Number 18
NWS Weather Prediction Center College Park MD AL012018
1000 AM CDT Tue May 29 2018
...CENTER OF ALBERTO MOVING THROUGH CENTRAL ALABAMA...
...HEAVY RAINFALL THREAT CONTINUES...
SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION
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LOCATION...33.8N 87.2W
ABOUT 65 MI...105 KM SSW OF HUNTSVILLE ALABAMA
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...N OR 351 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES
WATCHES AND WARNINGS
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There are Flash Flood Watches in effect for portions of Alabama,
Georgia, Tennessee, and Kentucky.
DISCUSSION AND OUTLOOK
----------------------
At 1000 AM CDT (1500 UTC), the center of Subtropical Depression
Alberto was located near latitude 33.8 North, longitude 87.2 West.
The depression is moving toward the north near 12 mph (19 km/h) and
this motion is expected to accelerate over the next 24 hours.
Maximum sustained winds are near 30 mph (45 km/h) with higher gusts.
Weakening is forecast over the next 48 hours.
The estimated minimum central pressure is 999 mb (29.50 inches).
HAZARDS AFFECTING LAND
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RAINFALL: Alberto is expected to produce 2 to 6 inches of rain from
Alabama northward into the southern Great Lakes and from north
Florida into the southern Appalachians through Thursday. Isolated
maximum storm totals of 12 inches are possible over the Florida
Panhandle and Alabama. These rains may produce flooding and flash
flooding.
WIND: A few gusts to tropical-storm force are possible across
portions of central and northern Alabama this morning.
TORNADOES: A tornado or two may occur today from southern Kentucky
to parts of Georgia.
SURF: Swells generated by Alberto will continue to affect the
eastern and northern Gulf Coast today. These swells are likely to
cause life-threatening surf and rip current conditions. For more
information, consult products from your local weather office.
For more information on rainfall totals please see the Storm Summary
available at www.wpc.ncep.noaa.gov/discussions/nfdscc5.html
NEXT ADVISORY
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Next complete advisory at 400 PM CDT.
FORECAST POSITIONS AND MAX WINDS
INIT 29/1500Z 33.8N 87.2W 25 KT 30 MPH
12H 30/0000Z 35.3N 87.7W 25 KT 30 MPH...INLAND
24H 30/1200Z 38.3N 87.9W 25 KT 30 MPH...INLAND
36H 31/0000Z 41.8N 86.6W 25 KT 30 MPH...POST-TROP/REMNT LOW
48H 31/1200Z 45.9N 83.9W 25 KT 30 MPH...POST-TROP/REMNT LOW
Forecaster Carbin/WPC
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