Regional Weather Summary
Issued by NWS Chicago, IL

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AWUS83 KLOT 302307
RWSLOT
ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
310715-

WEATHER SUMMARY FOR NORTHERN ILLINOIS AND NORTHWEST INDIANA
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
607 PM CDT THU JUL 30 2015

FULL SUN WAS SEEN ACROSS NORTHERN ILLINOIS AND NORTHWEST INDIANA
ON THURSDAY. AFTERNOON HIGHS REACHED THE MID TO UPPER 80S WITH
FAIRLY COMFORTABLE HUMIDITY LEVELS. WESTERLY WINDS GUSTED TO 20 TO
30 MPH DURING THE AFTERNOON...WITH THE HIGHEST GUST OF 31 MPH
OBSERVED AT CHICAGO MIDWAY AIRPORT.

WARM TEMPERATURES...BUT FAIRLY COMFORTABLE HUMIDITY LEVELS WILL
CONTINUE THROUGH THE WEEKEND. IT WILL BE BREEZY ON FRIDAY WITH
WESTERLY GUSTS UP TO 25 TO 30 MPH. THE CHANCE FOR THUNDERSTORMS
WILL RETURN SATURDAY EVENING AND NIGHT...HOWEVER CONFIDENCE IS
CURRENTLY LOW ON OVERALL TIMING AND EVOLUTION OF THE THUNDERSTORM
POTENTIAL...SO STAY TUNED.

A RARE BLUE MOON WILL OCCUR ON FRIDAY...BUT IT WILL NOT BE THE
COLOR BLUE. THERE ARE TWO DEFINITIONS OF A BLUE MOON. THE
OCCURRENCE TOMORROW FALLS UNDER A NEWER DEFINITION OF IT BEING
THE SECOND FULL MOON TO OCCUR IN THE MONTH OF JULY. THE
OLDER...MOST ASTRONOMICAL DEFINITION...IS THE THIRD FULL MOON IN
AN ASTRONOMINCAL SEASON CONTAINS FOUR FULL MOONS VERSUS THE NORMAL
NUMBER OF THREE. THE NEXT BLUE MOON TO OCCUR BASED ON THAT
DEFINITION WILL BE MAY 21 2016.

$$

MTF/RC



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