weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

2 products issued by NWS for: 2 Miles ESE Angwin CA
Share |


Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
National Weather Service San Francisco CA
359 AM PDT Sat Jun 23 2018

...Gusty northerly winds coupled with hot temperatures and low
humidity values today through Sunday evening...

.High pressure will build inland through the weekend and bring a
combination of gusty northerly winds, hot temperatures and low
humidity values late this morning through Sunday evening. The
areas of greatest concern will be located in higher terrain of
northern and eastern Napa and Sonoma county as well as throughout
the Diablo Range. Any fire starts may spread rapidly in these
conditions. Avoid activities that may lead to fire ignition,
including lawn work, driving on grass, tossing cigarettes,
lighting campfires or fireworks, especially during tomorrow and
Sunday afternoons.

CAZ507-511-232200-
/O.CON.KMTR.FW.W.0001.180623T1800Z-180625T0300Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
359 AM PDT Sat Jun 23 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM PDT SUNDAY FOR GUSTY NORTHERLY WINDS AND LOW RELATIVE
HUMIDITY FOR THE NORTH BAY MOUNTAINS AND EAST BAY HILLS...

* WIND...Northerly winds of 15 to 30 mph with gusts to 40 mph.
  Isolated highest terrain could see locally higher winds.

* HUMIDITY...Minimum humidity readings of 10 to 20% will be
  common during the day, with the driest locations dropping
  into the single digit range during the warmest, driest,
  windiest times of the day. Overnight humidity recoveries will
  be poor and less than 30%.

* HIGHEST THREAT...Elevations above 1000 feet, especially in
  the extreme northern and eastern portions of the North Bay
  Mountains and East Bay Hills

* IMPACTS...Any fires that develop will likely spread rapidly.
  Outdoor burning or other activities that may lead to fire
  creation is not recommended.

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$




Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
356 AM PDT Sat Jun 23 2018

CAZ506>508-510>513-516>518-231900-
/O.CON.KMTR.HT.Y.0001.180623T1800Z-180624T0300Z/
North Bay Interior Valleys-North Bay Mountains-
San Francisco Bay Shoreline-East Bay Interior Valleys-
East Bay Hills and the Diablo Range-Santa Cruz Mountains-
Santa Clara Valley Including San Jose-
Southern Salinas Valley/Arroyo Seco and Lake San Antonio-
Santa Lucia Mountains and Los Padres National Forest-
Mountains Of San Benito County And Interior Monterey County
Including Pinnacles National Park-
Including the cities of Santa Rosa, South Santa Rosa, Napa,
San Rafael, Petaluma, Novato, Rohnert Park, Angwin,
Lagunitas-Forest Knolls, Woodacre, Oakland, Fremont, Hayward,
Daly City, Berkeley, Concord, Antioch, Livermore, Walnut Creek,
Pleasanton, Pittsburg, San Ramon, Blackhawk, Scotts Valley,
Boulder Creek, Day Valley, San Jose, Greenfield, and King City
356 AM PDT Sat Jun 23 2018

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM PDT THIS EVENING...

* TIMING...11 AM TO 8 PM SATURDAY.

* LOCATIONS...Most of the inland Greater San Francisco Bay Area
  (excluding coastal areas), inland Monterey county, and inland
  San Benito county. For the San Francisco Bay Shoreline...main
  heat risk is primarily from Redwood City to Cupertino.

* TEMPERATURES...Widespread temperatures in the mid 90s to low
  100s in the impacted areas are expected. The hottest inland
  locations such as Pinnacles National Park and the extreme inland
  portions of Napa, Sonoma, and possibly Contra Costa counties may
  surpass 105 degrees. The cities of San Francisco and Oakland are
  excluded from this heat advisory, but will be very warm this
  afternoon with highs expected in the mid to upper 80s. San
  Jose, which is included in the advisory, is forecast reach the
  mid to upper 90s. For the San Francisco Bay Shoreline, the main
  heat risks are generally from Redwood City to Cupertino where
  triple digit temperatures are forecast, while other areas of the
  shoreline will be noticeably cooler.

* IMPACTS...Moderate to high risk of heat related illness,
  especially for vulnerable populations during the day Saturday.
  Increased number of visitors to coastal communities and
  beaches to escape heat, potentially resulting in increased
  water rescues. Exacerbation of critical fire weather
  conditions, especially in the North and East Bay hills and
  mountains.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Heat Advisory means that a period of hot temperatures is
expected. Hot temperatures will create a situation in which heat
illnesses are possible. Drink plenty of fluids...stay in an air-
conditioned room...stay out of the sun...and check up on
relatives and neighbors.

&&

$$




U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE