Monday, August 3, 2009

Portland Extends All-Time Record Heat Wave Another Day


Image (click to enlarge): Portland, Oregon temperature, dewpoint, and relative humidity, for 24 hours ending 5 pm PDT, August 3, from National Weather Service

For previous record temperature posts, see:
Record Heat
Record Cold


Aug. 4 Update: The record streak was broken on Tuesday with a high of 85°.

9 pm PDT Update: The National Weather Service record report:
...NEW RECORD FOR CONSECUTIVE DAYS WITH TEMPERATURES AT OR ABOVE 90   
DEGREES IN PORTLAND...

THE HIGH TEMPERATURE AT PORTLAND AIRPORT ON MONDAY WAS 91 DEGREES.
THIS MARKS THE 10TH CONSECUTIVE DAY THAT PORTLANDS TEMPERATURE
REACHED 90 DEGREES OR ABOVE. THIS BREAKS THE PREVIOUS RECORD -
INCIDENTALLY SET YESTERDAY - AND THE OLD RECORD WHICH WAS AN 8-DAY
STREAK BETWEEN AUGUST 12-19 1967.
Original post:
After expecting a possible break in the record streak of 90°+ days, Portland, Oregon reached a high of 90° at 5 pm, extending the new record to an unprecedented 10th day.

Here's the National Weather Service summary for the previous 9 days:
HIGH TEMPERATURES AT PORTLAND AIRPORT DURING THE PAST NINE DAYS...  

DAY/DATE HIGH TEMPERATURE
=======================================
1. SAT JUL 25 2009 90
2. SUN JUL 26 2009 93
3. MON JUL 27 2009 103 *
4. TUE JUL 28 2009 106 *
5. WED JUL 29 2009 106 *
6. THU JUL 30 2009 96
7. FRI JUL 31 2009 94
8. SAT AUG 1 2009 95 *
9. SUN AUG 2 2009 94

* DENOTES HIGH TEMPERATURE SET NEW RECORD FOR THE DATE.

No comments:

Seasonal Outlook

Latest seasonal forecast: Click here.


Latest 3-month temperature outlook from Climate Prediction Center/NWS/NOAA.