Precipitation actually decreased as you went up into the mountains. A lot of precipitation occurred as unstable air was forced upwards on the western side of the Cascades.
Seattle Rainwatch, based on only the Camano Is. radar, also showed some of these features, including the particularly heavy rain southeast of Seattle, and rainshadowing north of the Olympics.
A number of daily records were broken yesterday. Here is a sampler from the National Weather Service:
RECORD EVENT REPORT NATIONAL WEATHER SERVICE SEATTLE WA 127 AM PDT THU JUL 24 2014 ...RECORD DAILY MAXIMUM RAINFALL ACROSS WESTERN WASHINGTON... A RECORD RAINFALL OF 0.76 INCHES WAS SET AT SEATTLE-TACOMA WA AIRPORT YESTERDAY. THIS BREAKS THE OLD RECORD OF 0.54 SET IN 1949. A RECORD RAINFALL OF 0.89 INCHES WAS SET AT SEATTLE WA WFO YESTERDAY. THIS BREAKS THE OLD RECORD OF 0.07 SET IN 2007. A RECORD RAINFALL OF 0.27 INCHES WAS SET AT OLYMPIA WA AIRPORT YESTERDAY. THIS BREAKS THE OLD RECORD OF 0.25 SET IN 1949. A RECORD RAINFALL OF 0.72 INCHES WAS SET AT BELLINGHAM WA AIRPORT YESTERDAY. THIS BREAKS THE OLD RECORD OF 0.22 SET IN 1949. A RECORD RAINFALL OF 0.63 INCHES WAS SET AT HOQUIAM WA AIRPORT YESTERDAY. THIS BREAKS THE OLD RECORD OF 0.04 SET IN 1995.
The "bar" is low for breaking precipitation records this time of the year, but still we had a lot of rain.
This morning we are getting some "backwash" on the western side of the low, but this precipitation is lighter and should fade out this afternoon. The worst is over.
A local Portland gauge had .89 inches in an hour. Too bad that one missed the airport. http://or.water.usgs.gov/non-usgs/bes/mt_tabor.5day.htmlReplyDelete
Yesterday my house in Marysville registered 1.95 inches on our digital rain gauge.ReplyDelete
Is that 17.9" reading on the western slopes of Mt. Rainier likely to be accurate?ReplyDelete
I got 1.44 inches for the storrm total.ReplyDelete
Anyone have an idea of what the absolute 1-hour rainfall record at any time of year might be for the Oly Wa area? Or have any suggestions on how I can find this out myself? Thanks!ReplyDelete