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Historical Joliet Weather
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Or whether the weather be not
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Warning Description: Severe Thunderstorm Watch
Warning Date: 8:30 PM CDT on August 2, 2015
Warning Message:The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southern Lower Michigan
* effective this Sunday night and Monday morning from 830 PM
until 200 am CDT.
* Primary threats include...
scattered damaging winds likely with isolated significant gusts
to 75 mph possible
scattered large hail likely with isolated very large hail events
to 2.5 inches in diameter possible
a tornado or two possible
Summary...thunderstorms expected to increase in coverage and
strength along and ahead of se-moving cold front now over NE and E
central Iowa. At the same time...western end of lower mi squall line
expected to continue ESE. Supercells and bows within the squall
line...and more discrete supercells near the cold front...will have
the potential to produce large hail...a few swaths of damaging
wind...and possibly a tornado or two in watch area through early
The Severe Thunderstorm Watch area is approximately along and 175
statute miles east and west of a line from 40 miles northwest of
Benton Harbor Michigan to 25 miles southwest of Marseilles
Illinois. For a complete depiction of the watch see the
associated watch outline update (wous64 kwns wou5).
Remember...a Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings. Severe thunderstorms can and occasionally
do produce tornadoes.
Other watch information...continue...ww 462...ww 463...ww 464...
Aviation...a few severe thunderstorms with hail surface and aloft
to 2.5 inches. Extreme turbulence and surface wind gusts to 65
knots. A few cumulonimbi with maximum tops to 600. Mean storm
motion vector 30025.
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