Friday, November 30, 2012

Heavy rain in CA and snow in mountains

Its going to rain a lot in California & most of the Cascades will get a foot or more of snow.

Tuesday, November 27, 2012

Windy, Rainy, but no Snow

Its going to get windy on Wednesday & a little wet, but more south of us. Too warm for snow unless you get to BakerCrystalWhistler level height.

Sunday, November 25, 2012


Rainbows often have secondary rainbows. Sometimes they have reflective rainbows as well! Reader found one:

Friday, November 23, 2012

Technology May Reduce Accidents

Technology can warn when rain, smoke, dust, or other conditions may impact busy freeways, helping to prevent accidents.

Wednesday, November 21, 2012

Convective Cloud

A convective cloud line came through Seattle at 1:30PM on Tuesday, bringing a dark rain patch that faded quickly to sun.

Tuesday, November 20, 2012

High Winds on Coast

High winds on the coasts of WA & OR were seen during the Monday storm. Forecast for Thanksgiving looks decent & Friday outlook is improving, but still wet.

Monday, November 19, 2012

Heavy Rains

Very heavy rains Monday morning. We've already had close to 2" over the city in the last 48 hours, many rivers are at flood stage already, & the rain is not going away. Be careful.

Sunday, November 18, 2012

Rain shadows we have

Depending on where the rainfall comes from, at least one local area is usually in a fairly deep rain shadow.

Rain Sunday Monday Friday

Heavy rains on Sunday & Monday. Rainy all week. Bigger storm possible Thursday or Friday. Flood conditions possible, be prepared & stay alert.

Thursday, November 15, 2012

Monday, November 12, 2012

Improvements Past and Present

Hurricane Sandy proves we have improved a lot in forecasting ability. We can still do much better.

Sunday, November 11, 2012

Saturday Cold Sunday Rain

It got really cold Saturday. Sunday warmed up so we get rain not snow. Cliff Mass studied under Carl Sagan, helping CM learn how important public communication of science is.

Wednesday, November 7, 2012

Winter 2012 La Nada

Winter 2012 looks to be La Nada (neither El Nino or La Nina). La Nada tends to yield bigger storms. Seattle has made great strides, including road temperature sensors. We still can't predict snow well.

Monday, November 5, 2012

Stampede Pass Weather Station

NWS is considering closing the Stampede Pass weather station. It has great observational value & a long record in that location. Contact Dr. Brad Colman ( to urge NWS to keep it.

Saturday, November 3, 2012

Another Storm for the NE

Wednesday & Thursday, another storm will bring strong winds, heavy rain, & inland snow to the Northeast. It is not currently expected to be a hurricane, but sustained winds of 40-50 knots are expected.