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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
410 AM CDT Mon Apr 6 2020

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-070915-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
410 AM CDT Mon Apr 6 2020 /510 AM EDT Mon Apr 6 2020/

This Hazardous Weather Outlook is for portions of North Central
Illinois...Northeast Illinois and Northwest Indiana.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Significant Thunderstorm Risk tonight...with an associated:
     Limited hail risk...up to one inch in diameter.
  Limited Flooding Risk.

DISCUSSION...

Scattered thunderstorms are likely tonight across northern
Illinois and northwest Indiana. The overall threat of severe
weather is low, though one or two storms could briefly produce
marginally severe hail late this evening into the first part of
the overnight hours. The thunderstorms may also produce locally
heavy rain.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Tuesday...
  Elevated Severe Thunderstorm Risk.
Wednesday...
  Limited Thunderstorm Risk.
Thursday...
  Limited Non Thunderstorm Wind Risk.

DISCUSSION:

There is a chance that severe thunderstorms could develop along a
cold front that will move across the area late Tuesday afternoon
and Tuesday evening. It is entirely possible that the front will
not be strong enough to initiate thunderstorm development, in
which case there wouldn`t be any severe weather. However, if
storms do manage to develop, conditions would be quite favorable
for them to produce large hail, possibly golf ball sized or
larger, as well as locally damaging winds, potentially in excess
of 70 mph.

.SPOTTER INFORMATION STATEMENT...

Due to the isolated nature of any severe weather threat tonight,
spotters will probably not be needed.

GENERAL STORM MOTION OF THE DAY:

Moving toward east at 25 to 30 mph.

$$



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