From today's Portland Press Herald:
"On Tuesday, Portland’s high temperature of 94 degrees broke a record for Aug. 31 set in 1969.
"That also put the city in the midst of its first official heat wave since July 1999, according to Steve Capriola, a meteorologist with the National Weather Service in Gray.
"Capriola said a heat wave is defined as three consecutive days with highs of at least 90 degrees. Sunday’s high was 91 and Monday’s was 90."
retrieved from http://www.pressherald.com/news/after-3-days-were-in-a-_2010-09-01.html
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Yep. A heat wave is defined as three consecutive days with highs of at least 90 degrees. Is that regional or national? It can't be national or else Dallas would be in a perpetual heat wave! hmmmm I need to check this out.
