The National Weather Service issued a hazardous weather outlook for Cobb County and other parts of north and central Georgia for Wednesday, March 27.
The alert was issued because of the possibility of isolated to scattered thunderstorms
What is in the statement?
The statement gives the following details:
This Hazardous Weather Outlook is for portions of North and Central Georgia.
.DAY ONE…Today and Tonight…
Isolated to scattered strong to severe thunderstorms are possible
across the far southeast portion of the outlook area today. Storms
will be capable of producing damaging wind gusts, hail up to 1″,
locally heavy rainfall, and frequent lightning.
.DAYS TWO THROUGH SEVEN…Thursday through Tuesday…
Showers and isolated to scattered thunderstorms are expected on
Thursday, generally south and east of the I-85 corridor. The
potential for severe thunderstorms is low, but a strong storm or
two cannot be ruled out.
What is meant by “isolated” and “scattered”?
The NWS defines “isolated” as follows:
A National Weather Service convective precipitation descriptor for a 10 percent chance of measurable precipitation (0.01 inch). Isolated is used interchangeably with few.
“Scattered” has the following definition:
When used to describe precipitation (for example: “scattered showers”) – Area coverage of convective weather affecting 30 percent to 50 percent of a forecast zone (s).
Isolated thunderstorms and scattered thunderstorms are two terms used to describe different distributions of thunderstorm activity within a particular area. The main difference lies in the extent of coverage and how the thunderstorms are spatially distributed:
- Isolated Thunderstorms:
- Isolated thunderstorms are relatively rare occurrences that happen sporadically and are generally confined to a limited area.
- These thunderstorms are often characterized by few and far between, with significant gaps…
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