Tuesday proved one of July's warmer, more humid days. Midway Airport's 86-degree high equaled the month's warmest reading while O'Hare's 84 degrees fell two degrees short. A line of thunderstorms bubbled to life during the afternoon and evening across the southern suburbs from Streator to Michigan City and La Porte, Ind., emanating from clouds which towered to 50,000 feet. The storms hit a 10-mile-wide corridor paralleling Indiana's Lake Michigan shoreline from Porter into La Porte Counties especially hard over a nearly three-hour period, unleashing repetitive downpours which began around 5:30 p.m., and ultimately led to nearly 5 inches of rain at Indiana Dunes State Park. Burdick, Ind. -- just east of Chesterton -- was drenched by 2.78" while 1.30" was reported in nearby Portage in just over 75 minutes.
Blistering heat in the Western U.S. included record-breaking triple-digit readings at a number of unlikely locations across the Pacific Northwest including 106-degrees at Vancouver, Wash. -- the hottest not only for July 28 but a new all-time high there -- and 106 degrees in Portland, a record-breaker for the date and just one degree shy of its all-time high.
"Wake low" produces damaging pre-dawn winds in west/northwest suburbs
Powerful pre-dawn winds gusting as high as 55 to 60 m.p.h. downed trees and snapped limbs over a swath of the Chicago area Monday night and Tuesday morning extending from west suburban Huntley in the far northwest suburbs west of Algonquin east to Roselle and Waukegan. Dissipating thunderstorms were behind the powerful gusts -- the product of what meteorologists refer to as a "wake low". The winds occur when a region of low pressure develops north of dissipating thunderstorms, strengthening the outflow winds which flow from them. The strongest gusts occurred between 11 p.m. and 1 a.m.
Blistering heat in the Western U.S. included record-breaking triple-digit readings at a number of unlikely locations across the Pacific Northwest including 106-degrees at Vancouver, Wash. -- the hottest not only for July 28 but a new all-time high there -- and 106 degrees in Portland, a record-breaker for the date and just one degree shy of its all-time high.
"Wake low" produces damaging pre-dawn winds in west/northwest suburbs
Powerful pre-dawn winds gusting as high as 55 to 60 m.p.h. downed trees and snapped limbs over a swath of the Chicago area Monday night and Tuesday morning extending from west suburban Huntley in the far northwest suburbs west of Algonquin east to Roselle and Waukegan. Dissipating thunderstorms were behind the powerful gusts -- the product of what meteorologists refer to as a "wake low". The winds occur when a region of low pressure develops north of dissipating thunderstorms, strengthening the outflow winds which flow from them. The strongest gusts occurred between 11 p.m. and 1 a.m.
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