Public Information Statement
Issued by NWS Paducah, KY

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NOUS43 KPAH 272222
PNSPAH
ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ087-110>112-
114-280300-

Public Information Statement
National Weather Service Paducah, KY
522 PM CDT Sat May 27 2017

...The importance of Particularly Dangerous Situation Convective
Watches issued by the Storm Prediction Center...

The Storm Prediction Center has issued a P D S Severe Thunderstorm
Watch 280 from now through midnight tonight for Southern
Illinois, West Kentucky, Southwest Indiana, and part of Southeast
Missouri.

There are rare occasions when the Storm Prediction Center in
Norman Oklahoma will issue tornado or severe thunderstorm watches
emphasizing that this is a particularly dangerous situation.
These unique P D S or Particularly Dangerous Situation convective
watches are issued when there is a widespread and significant
threat to life and property.

Although normal used for intense tornado events, the enhanced
wording may also be found in severe thunderstorm watches for
exceptionally intense and well organized convective wind storms,
such as Derechoes.

The decision to issue a Particularly Dangerous Situation or P D S
convective watch is at the discretion of the Storm Prediction
Center forecaster when atmospheric conditions are quite hazardous.
P D S watches are most likely to be issued in a moderate or high
risk area indentified in convective outlooks issued by the Storm
Prediction Center.

If you find your home, school, or business is placed under a P D
S watch, make sure your emergency actions plans are ready for
immediate use. If a tornado or severe thunderstorm warning is
issued, take cover immediately. Do not waste time looking for
threatening weather, you may end up losing your life.

$$

Smith


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