Weather Alert in Georgia
Flood Advisory issued May 13 at 12:24AM EDT until May 13 at 6:15AM EDT by NWS Greenville-Spartanburg SC
AREAS AFFECTED: Rabun, GA; Macon, NC
DESCRIPTION: * WHAT...Nuisance to Minor flooding caused by excessive rainfall is expected. * WHERE...Portions of northeast Georgia, including the following county, Rabun and western North Carolina, including the following county, Macon. * WHEN...Until 615 AM EDT. * IMPACTS...Nuisance flooding of low-lying areas adjacent to streams and other poor-drainage areas, including farmland, parks, greenways, boat-access areas, golf courses, underpasses, and parking lots. Isolated, shallow flows over roadways is possible. A few flood-prone, low-water crossings may become impassible. A small culvert washout or two is possible. * ADDITIONAL DETAILS... - At 1223 AM EDT, Another round of training thunderstorms has developed across central and western Rabun County and southwestern Macon County over the past 60 minutes. This has produced a quick 1-1.5 inches of rainfall over soils already saturated from heavy rainfall which occurred on Monday. Storm-total rainfall of 3-6 inches has been observed, which has caused significant rises on area streams. New rapid stream rises are imminent, including along Tiger Creek between Clayton and Lakemont, the headwaters of the Tallulah River in the Persimmon Creek community, the Little Tennessee headwaters near Dillard and Otto, and the headwaters of the Nantahala River near Rainbow Springs. Areas of nuisance flooding may develop along these streams and associated tributaries over the next 1-3 hours. - If heavy rainfall persists over the next 60-90 minutes, a Flash Flood Warning may be issued. If rapid stream rises are observed, avoid all adjacent low-lying areas and seek higher ground. Drivers are urged to avoid any flooded roadways and Turn Around Don't Drown. - Some locations that may experience nuisance flooding include... Clayton, Mountain City, Tiger, Dillard, Sky Valley, Black Rock Mountain State Park, Lakemont, Otto, and Rainbow Springs. - http://www.weather.gov/safety/flood
INSTRUCTION: Be especially cautious at night when it is harder to recognize the dangers of flooding. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks.
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Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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