Moss Beach, CA

6:25 PM PST on February 20, 2017 (GMT -0800)
Half Moon Bay | | Change Station

Elev 66 ft 37.51 °N, 122.50 °W | Updated 10 minutes ago

Fog
Fog
55 °F
Feels Like 55 °F
N
24
Wind Variable Wind from South
Gusts 30 mph

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 29.92 in
Visibility 2.0 miles
Clouds Overcast 500 ft
Dew Point 55 °F
Humidity 100%
Rainfall 2.28 in
Snow Depth Not available.
6:52 AM 5:55 PM
Waning Crescent, 29% visible
METAR KHAF 210215Z AUTO 17021G26KT 2SM BR OVC005 13/13 A2992 RMK AO2
Pressure 29.92 in
Visibility 2.0 miles
Clouds Overcast 500 ft
Dew Point 55 °F
Humidity 100%
Rainfall 2.28 in
Snow Depth Not available.
6:52 AM 5:55 PM
Waning Crescent, 29% visible
METAR KHAF 210215Z AUTO 17021G26KT 2SM BR OVC005 13/13 A2992 RMK AO2

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What may become known as the President’s Day Storm of 2017 barreled into the San Francisco Bay area on Monday morning. Heavy rains and localized flooding may develop across the region. High winds later Monday could bring down trees and cause widespread, prolonged power outages from the Bay Area toward Sacramento.

10-Day Weather Forecast

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Feb. 20, 2017 Rise Set
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City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

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

Watches & Warnings

Flash Flood Warning
Issued: 6:02 PM PST Feb. 20, 2017 – National Weather Service

The National Weather Service in the San Francisco Bay area has issued
a

* Flash Flood Warning for...
central Santa Cruz County in northern California...

* until 1000 PM PST

* at 554 PM PST, stream gage reports indicated minor flooding on the
San Lorenzo river near Felton. At 5:30 PM PST the water level on
the river near Felton was at 17.1 feet and water levels were
continuing to rise. Flooding in the Paradise Park area begins
around 16.5 feet.

* Some locations that will experience flooding include...
Paradise Park.

Precautionary/preparedness actions...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.


Lat... Lon 3699 12205 3708 12211 3710 12208 3701 12202


Blier


529 PM PST Mon Feb 20 2017

The National Weather Service in the San Francisco Bay area has issued
a

* Flash Flood Warning for...
northeastern San Mateo County in northern California...

* until 730 PM PST

* at 524 PM PST, a stream gage on Belmont creek near El Camino
real Highway in Belmont indicated flooding was occurring.

* Some locations that will experience flooding include...
neighborhoods along Belmont creek.

Precautionary/preparedness actions...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Please report flooding to your local law enforcement agency when you
can do so safely.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.


Lat... Lon 3753 12223 3751 12227 3751 12228 3752 12229
      3754 12226 3755 12225


Blier


Areal Flood Advisory, Areal Flood Watch
Issued: 6:03 PM PST Feb. 20, 2017 – National Weather Service

The National Weather Service in the San Francisco Bay area has issued
a

* small stream flood advisory for...
southwestern San Mateo County in northern California...

* until 945 PM PST

* runoff from an extended period of moderate to heavy rain has
caused sharp rises on streams and creeks in western San Mateo
County. At 5:37 PM PST the stream gage on the pilarcitos creek at
Half Moon Bay indicated a stage of 10.0 feet. Minor flooding
begins at 9.1 feet. In addition, stream gages on the San Gregorio
creek at San Gregorio and the Pescadero creek near Pescadero show
significant rises on these creeks, although both of these creeks
remain below flood stage. Rainfall has tapered off across western
San Mateo County and it is expected that these creeks will crest
soon and begin to recede within a few hours. In the meantime,
expect minor flooding along creeks in western San Mateo County.

* Some locations that will experience flooding include...
locations along the pilarcitos creek, San Gregorio creek and
Pescadero creek in western San Mateo County.

Precautionary/preparedness actions...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.


Lat... Lon 3751 12249 3752 12241 3744 12235 3731 12230
      3724 12230 3719 12240 3724 12242 3728 12241
      3736 12240 3743 12244 3748 12245




512 am PST Mon Feb 20 2017

... Flood Watch remains in effect through late tonight...

The Flood Watch continues for

* a portion of western California... including the following
areas... coastal North Bay including Point Reyes National
Seashore... East Bay hills and the Diablo Range... East Bay
interior valleys... mountains of San Benito County and interior
Monterey County including Pinnacles National Park... North Bay
interior valleys... North Bay mountains... northern Monterey
Bay... northern Salinas valley/Hollister Valley and Carmel
Valley... San Francisco... San Francisco Bay shoreline... San
Francisco peninsula coast... Santa Clara Valley including San
Jose... Santa Cruz Mountains... Santa Lucia mountains and Los
Padres National Forest... southern Monterey Bay and Big Sur
coast and southern Salinas valley/Arroyo Seco and Lake San
Antonio.

* Through late tonight

* a prolonged period of moderate to heavy rainfall is anticipated
to fall on already saturated soils through Monday evening. This
will result in sharp rises on area creeks, streams and rivers and
will likely result in flooding.

* Impacts include enhanced runoff and associated flooding in low
lying areas and waterways, rising water levels and flooding on
area streams, creeks and rivers. Other impacts include increased
risk of rock/mud slides in steep terrain, downed trees and power
lines, and damaged to or washed out roadways.

Precautionary/preparedness actions...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
flood warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.





High Wind Warning
Issued: 5:23 AM PST Feb. 20, 2017 – National Weather Service

... Wind Advisory remains in effect until 1 PM PST this
afternoon...
... High Wind Warning remains in effect from 1 PM this afternoon
to 3 am PST Tuesday...

* timing... southeast winds increase through this morning and then
further intensify this afternoon. Strongest southerly winds
expected this afternoon and evening. Winds diminish late
tonight.

* Winds... sustained southerly winds 15 to 25 mph with gusts to 45
mph. Winds increasing to 25 to 40 mph this afternoon and evening
with gusts to 60 mph.

* Impacts... winds may be strong enough to cause property damage.
Strong and gusty winds will make driving difficult, especially
for drivers of high profile vehicles. Saturated soils will also
contribute to an increased risk of downed trees and powerlines.

Precautionary/preparedness actions...

A Wind Advisory means that wind gusts of at least 45 mph are
expected. Winds this strong can make driving difficult...
especially for high profile vehicles. Use extra caution. Winds
this strong combined with saturated soils can result in downed
trees and power outages.

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.






Gale Warning, Small Craft for Rough Bar Advisory
Issued: 2:24 PM PST Feb. 20, 2017 – National Weather Service

... Gale Warning remains in effect until 6 am PST Tuesday...
... Small Craft Advisory for rough bar remains in effect until
5 PM PST Tuesday...

* winds: southerly winds 25 to 35 kt..with gusts to 40 kt
through tonight.

* Seas: combined seas 9 to 14 ft dominant period 15 seconds.

Precautionary/preparedness actions...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners... especially those operating smaller
vessels should avoid navigating in these conditions.

A Small Craft Advisory for rough bar means that wave conditions
are expected to be hazardous to small craft in or near Harbor
entrances.

A Gale Warning means winds of 34 to 47 knots are imminent or
occuring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
Harbor prior to the onset of gale conditions.