Ephrata, WA (98823)

1:42 PM PST on December 12, 2017 (GMT -0800)
Grandview Hts | | Change Station
Active Advisory: Air Stagnation Advisory

Elev 1138 ft 47.33 °N, 119.56 °W | Updated 2 minutes ago

Overcast
Overcast
28.9 °F
Feels Like 29 °F
N
2.0
Wind Variable Wind from SE
Gusts 2.7 mph

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 30.61 in
Visibility 10.0 miles
Clouds Overcast 1300 ft
Windchill 29 °F
Dew Point 26 °F
Humidity 88%
Rainfall 0.00 in
Snow Depth Not available.
7:36 AM 4:07 PM
Waning Crescent, 25% visible
METAR KEPH 122053Z AUTO 20004KT 10SM OVC013 M02/M06 A3056 RMK AO2 SLP366 T10171061 58022
Pressure 30.61 in
Visibility 10.0 miles
Clouds Overcast 1300 ft
Windchill 29 °F
Dew Point 26 °F
Humidity 88%
Rainfall 0.00 in
Snow Depth Not available.
7:36 AM 4:07 PM
Waning Crescent, 25% visible
METAR KEPH 122053Z AUTO 20004KT 10SM OVC013 M02/M06 A3056 RMK AO2 SLP366 T10171061 58022

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10-Day Weather Forecast

Almanac

Astronomy

Dec. 12, 2017 Rise Set
Actual Time
Civil Twilight
Nautical Twilight
Astronomical Twilight
Moon
Length of Visible Light
Length of Day
Tomorrow will be .
, % of the Moon is Illuminated

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Category 6

Welcome to Category 6. This is the collective home for Weather Underground's featured writeups by Dr. Jeff Masters (right), Bob Henson (left), Chris Burt, and other regular contributors.

Nearby

Air Quality

  Air Quality AQ Index Pollutant
Not available.

Snow Depth

Station Depth Elevation

Earthquake Activity

City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature

Stations

Nearby Weather Stations

Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   

Watches & Warnings

Air Stagnation Advisory
Issued: 1:48 PM MST Dec. 12, 2017 – National Weather Service

... Air stagnation advisory remains in effect until 10 am PST
/11 am MST/ Friday...

* air quality... pollutants may increase this week. Regional air
quality sensors range from good to moderate. However, light
winds and a strong inversion will increase the potential for
the build up of air pollution and deteriorating air quality.

* Impacts... persons with respiratory issues should follow the
advice of their physician on how to deal with poor air
quality. Outdoor burning may be limited, so please consult
with your local burn agencies for updated burn restrictions.

Precautionary/preparedness actions...

An air stagnation advisory indicates that due to limited movement
of an air mass across the advisory area. Pollution may increase
to unhealthy levels. Persons with respiratory illness should
follow their physicians advice for dealing with high levels of
air pollution.