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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
422 AM CDT Mon Jun 24 2019

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
250930-
Winnebago-Boone-McHenry-Lake-Ogle-Lee-De Kalb-Kane-DuPage-Cook-
La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford-
Porter-Newton-Jasper-Benton-
422 AM CDT Mon Jun 24 2019 /522 AM EDT Mon Jun 24 2019/

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

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Elevated Thunderstorm Risk...with an associated:
     Elevated hail risk...up to half dollar size.
     Elevated damaging wind risk...up to 60 mph.
  Limited Flooding Risk.

DISCUSSION...

Showers are expected to develop this morning, with a few isolated
thunderstorms possible. Severe weather is not expected with the
activity through about mid day.

Another round of thunderstorms is then expected this afternoon. A
broken arc or line of thunderstorms are forecast to develop near
the Mississippi River early this afternoon and then quickly
tracking east-northeast through the late afternoon, exiting east by the
early evening. Scattered severe thunderstorms capable of producing
large hail and damaging winds are possible with the afternoon
activity. In addition, the strongest thunderstorms can be expected
to produce frequent lightning and heavy downpours. The main
period of concern for strong to severe thunderstorms is about 2pm
to 7pm from west to east.

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

Tuesday...
  Limited Severe Thunderstorm Risk.
  Limited Flooding Risk.
Wednesday through Friday...
  Limited Thunderstorm Risk.
Saturday...
  Limited Thunderstorm Risk.
  Limited Excessive Heat Risk.
Sunday...
  Limited Thunderstorm Risk.

DISCUSSION:

Isolated severe thunderstorms are possible Tuesday afternoon and
evening. A very warm and humid air mass will be in place from mid
to late week into the weekend. Thunderstorms are possible at times.

.SPOTTER INFORMATION STATEMENT...

  Spotters will likely be needed this afternoon.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east and northeast at 40 to 45 mph.

$$



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