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Public Information Statement

Statement as of 10:15 AM EDT on April 27, 2015


... Severe weather preparedness week - definition of a severe
thunderstorm...

The National Weather Service in Taunton has declared the week of
April 27 to may 1 as severe weather preparedness week in southern
New England. The following is the first in a series of five
public information statements that will be issued this week.

A severe thunderstorm is defined as a thunderstorm that produces
wind gusts of at least 58 mph and/or hail 1.00 inches in diameter
or larger... the size of a quarter. Severe thunderstorms can and
occasionally do spawn tornadoes.

A Severe Thunderstorm Watch is issued by the Storm Prediction
Center in Norman Oklahoma for large portions of the region when
the potential exists for severe thunderstorms. A Severe
Thunderstorm Warning is issued by the local National Weather
Service forecast office... such as in Taunton... when severe
thunderstorms are imminent based on radar or already occurring
based on spotter observations.

Note that torrential downpours of rain that cause flooding are
not part of the definition of severe weather. They would prompt
the issuance of flood or flash flood warnings... but not severe
thunderstorm warnings. It is important to note that frequent
lightning also is not a criterion for what is termed severe
weather. Of course lightning can be extremely dangerous... but
every thunderstorm has lightning. That is what causes the
thunder. It is not practical to issue a warning for every
thunderstorm... thus we issue severe thunderstorm warnings for
those storms that could produce large hail and/or damaging winds.

NOAA weather radios... with warning alarm tones... will alert you
when a Severe Thunderstorm Warning is issued. However... they will
not sound an alarm for non-severe thunderstorms... which still can
produce deadly lightning. We recommend that lifeguards at beaches
and pools have hand-held lightning detectors. The same is true
for athletic coaches... Camp directors... and Parks and recreation
workers. Even without equipment... you can protect yourself by
moving indoors to a place of safety at the first rumble of
thunder. If you can hear the thunder... the storm is usually close
enough for you to have the potential to be struck by lightning.


Weather Severe Map
Alabama - Flash Flood Watch , Special Statement , Record Report
Arizona - Record Report
Arkansas - Flood Warning , Flood Advisory , Public Information Statement
California - High Wind Advisory , Wind Advisory , Public Information Statement
Colorado - Public Information Statement
Connecticut - Public Information Statement
Delaware - Public Information Statement
Florida - Flood Warning , Flash Flood Watch , Coastal Hazard Statement , Special Statement , Record Report
Georgia - Flood Warning
Hawaii - Areal Flood Advisory, High Surf Advisory , Areal Flood Advisory , High Surf Advisory , Record Report
Idaho - Record Report
Illinois - Flood Warning
Indiana - Frost Advisory
Kansas - Public Information Statement
Kentucky - Flood Warning
Louisiana - Severe Thunderstorm Warning , Flood Warning , Flash Flood Watch , Flood Advisory , Special Statement , Public Information Statement
Maine - Flood Warning
Maryland - Public Information Statement
Massachusetts - Public Information Statement
Michigan - Frost Advisory
Mississippi - Flood Warning , Flash Flood Watch , Flood Advisory , Special Statement , Public Information Statement
Missouri - Flood Warning , Flood Advisory , Public Information Statement
Nevada - Public Information Statement
New Jersey - Public Information Statement
New Mexico - Wind Advisory , Winter Storm Warning , Public Information Statement
New York - Record Report
North Carolina - Frost Advisory , Special Statement , Public Information Statement
North Dakota - Flood Warning , Public Information Statement
Ohio - Frost Advisory
Oklahoma - Flood Warning , Areal Flood Advisory, Flash Flood Watch , Flash Flood Watch , Public Information Statement
Oregon - Record Report
Pennsylvania - Record Report , Public Information Statement
Rhode Island - Public Information Statement
South Carolina - Flood Warning
Tennessee - Flood Warning , Flood Advisory , Frost Advisory
Texas - Severe Thunderstorm Warning , Flood Warning , Areal Flood Warning , Flood Warning, Areal Flood Warning , Flash Flood Watch , Public Information Statement
Utah - Record Report
Virginia - Frost Advisory , Special Statement
Washington - Record Report
West Virginia - Frost Advisory
Wyoming - Record Report , Public Information Statement