Moss Beach, CA

3:39 AM PDT on May 25, 2012 (GMT -0700)
Elev: 453 ft
Lon: 122.5° W
Lat: 37.5° N
Source
Rapid Fire Updates™
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Tropical Weather: Invest 94 (North Atlantic) Hurricane Bud (East Pacific) Typhoon Sanvu (Western Pacific)
Weather Summary
Weather Underground Forecast for Friday, May 25, 2012.

Expect more active weather to develop across the Great Lakes on Friday, as a low pressure system moves from the Upper Midwest into eastern Canada. This system will push a cold front over the Great Lakes and Midwest, producing scattered showers and thunderstorms throughout the day. There is a slight chance that some of these storms will turn severe with strong winds and large hail. Rainfall totals will range from 1 to 2 inches, with over 2 inches likely in areas of severe weather development.

Behind this activity in the West, a low pressure system will move over the Great Basin and into the Southern Rockies. Flow around this system will produce cooler temperatures across the West, while also triggering scattered showers over the Pacific Northwest, northern California, and Intermountain West. Snow showers may develop again across the highest elevations of the Northern Rockies.

Meanwhile in the East, high pressure builds from the Plains, over the Mississippi River Valley, and into the Eastern US. This will keep moisture away to the north, allowing for dry, sunny, and warm conditions. High temperatures will range in the 80s and 90s from the Central Plains through the Eastern Valleys, with parts of the Southern US reaching into the lower 100s.
Weather Underground Forecast for Friday, May 25, 2012.

Expect more active weather to develop across the Great Lakes on Friday, as a low pressure system moves from the Upper Midwest into eastern Canada. This system will push a cold front over the Great Lakes and Midwest, producing scattered showers and thunderstorms throughout the day. There is a slight chance that some of these storms will turn severe with strong winds and large hail. Rainfall totals will range from 1 to 2 inches, with over 2 inches likely in areas of severe weather development.

Behind this activity in the West, a low pressure system will move over the Great Basin and into the Southern Rockies. Flow around this system will produce cooler temperatures across the West, while also triggering scattered showers over the Pacific Northwest, northern California, and Intermountain West. Snow showers may develop again across the highest elevations of the Northern Rockies.

Meanwhile in the East, high pressure builds from the Plains, over the Mississippi River Valley, and into the Eastern US. This will keep moisture away to the north, allowing for dry, sunny, and warm conditions. High temperatures will range in the 80s and 90s from the Central Plains through the Eastern Valleys, with parts of the Southern US reaching into the lower 100s.

Moss Beach Weather at a Glance

Updated 3:39 AM PDT
Weather Station - report
Elevation
150 ft
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Now
Mostly Cloudy
Mostly Cloudy
Temperature
48.9 °F
Feels Like 49 °F
Wind(mph)
0.0
Sunrise / Set
5:53 AM
8:21 PM
Moon
Waxing Crescent
Tonight
Partly Cloudy 48 °F
Partly Cloudy
Friday
Thunderstorm 63 °F
T-storms
20% chance of precipitation
Friday Night
Thunderstorm 48 °F
T-storms
20% chance of precipitation
Saturday
Partly Cloudy 61 | 48 °F
Partly Cloudy
Sunday
Partly Cloudy 61 | 50 °F
Partly Cloudy
Monday
Partly Cloudy 59 | 48 °F
Partly Cloudy
Today is forecast to be nearly the same temperature as yesterday.
Conditions
Pressure
29.79 in
Visibility
6.0 miles
Clouds
Mostly Cloudy 1500 ft
Moisture
Humidity
89%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KHAF 251035Z AUTO 34018G28KT 6SM BR BKN015 09/08 A2979 RMK AO2
Don't speak METAR? Read our FAQ.
Weather Radio
Temperature
Windchill
49 °F
Dew Point
45 °F
Wind
Speed / Dir
Calm
Wind Gust
0.0 mph
Health
0 out of 16
Pollen
6.40 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Local Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Friday
tstorms Partly cloudy with thunderstorms and a chance of rain in the morning, then mostly cloudy with thunderstorms and a chance of rain. High of 63F. Windy. Winds from the NW at 25 to 30 mph. Chance of rain 20%.
Friday Night
nt_tstorms Mostly cloudy with thunderstorms and a chance of rain in the evening, then partly cloudy. Low of 48F. Breezy. Winds from the NW at 15 to 25 mph. Chance of rain 20%.
Saturday
partlycloudy Partly cloudy. High of 61F. Breezy. Winds from the WNW at 10 to 20 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 48F. Breezy. Winds from the WNW at 10 to 20 mph.
Sunday
partlycloudy Partly cloudy in the morning, then clear. High of 61F. Winds from the WNW at 10 to 15 mph.
Sunday Night
nt_partlycloudy Partly cloudy in the evening, then overcast. Fog overnight. Low of 50F. Winds from the WNW at 10 to 15 mph.
Monday
partlycloudy Mostly cloudy in the morning, then clear. High of 59F. Breezy. Winds from the WNW at 10 to 20 mph.
Monday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 48F. Winds from the WNW at 10 to 15 mph.
Tuesday
partlycloudy Partly cloudy in the morning, then clear. High of 59F. Winds from the WNW at 10 to 15 mph.
Tuesday Night
nt_mostlycloudy Mostly cloudy. Fog overnight. Low of 46F. Winds from the WNW at 10 to 15 mph.
Wednesday
partlycloudy Clear. High of 63F. Winds from the WNW at 5 to 15 mph.
Wednesday Night
nt_partlycloudy Clear. Fog overnight. Low of 50F. Winds from the WNW at 5 to 15 mph.
Thursday
partlycloudy Clear. High of 66F. Winds from the WNW at 5 to 15 mph.
Thursday Night
nt_clear Clear. Fog overnight. Low of 52F. Winds from the WNW at 5 to 15 mph.
Friday
partlycloudy Clear. High of 64F. Winds from the West at 5 to 15 mph.
Friday Night
nt_clear Clear. Low of 54F. Winds from the WNW at 10 to 15 mph.
Saturday
clear Clear. High of 61F. Winds from the WNW at 5 to 20 mph.
Saturday Night
nt_clear Clear. Low of 52F. Winds from the WNW at 10 to 15 mph.
Sunday
clear Clear. High of 61F. Breezy. Winds from the WNW at 10 to 20 mph.
Sunday Night
nt_clear Clear. Low of 52F. Breezy. Winds from the NW at 10 to 20 mph.
Monday
clear Clear. High of 61F. Breezy. Winds from the WNW at 10 to 20 mph.
Monday Night
nt_clear Clear. Low of 52F. Breezy. Winds from the WNW at 10 to 20 mph.
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Forecast

View Calendar 10-Day Forecast for station KCAMOSSB3

Friday, 25
Thunderstorm
63 | 48 °F
T-storms
Chance of
Precipitation
20%
Saturday, 26
Partly Cloudy
61 | 48 °F
Partly Cloudy
Chance of
Precipitation
10%
Sunday, 27
Partly Cloudy
61 | 50 °F
Partly Cloudy
Chance of
Precipitation
10%
Monday, 28
Partly Cloudy
59 | 48 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 29
Partly Cloudy
59 | 46 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 30
Partly Cloudy
63 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 31
Partly Cloudy
66 | 52 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 1
Partly Cloudy
64 | 54 °F
Partly Cloudy
Chance of
Precipitation
0%
Saturday, 2
Clear
61 | 52 °F
Clear
Chance of
Precipitation
0%
Sunday, 3
Clear
61 | 52 °F
Clear
Chance of
Precipitation
0%
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Friday
tstorms Partly cloudy with thunderstorms and a chance of rain in the morning, then mostly cloudy with thunderstorms and a chance of rain. High of 63F. Windy. Winds from the NW at 25 to 30 mph. Chance of rain 20%.
Friday Night
nt_tstorms Mostly cloudy with thunderstorms and a chance of rain in the evening, then partly cloudy. Low of 48F. Breezy. Winds from the NW at 15 to 25 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 43 56 | 47 57 | 50 51 | 48
Wind 26 mph NW 26 mph NW 21 mph NW 19 mph NW
Humidity 78% 68% 78% 89%
Chance of Precip. 20% 20% 20% 10%
Cloud Cover 66% 58% 70% 36%
Conditions Chance of Rain Thunderstorm Thunderstorm Partly Cloudy
Sunrise & Sunset
5:53 AM
8:21 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.89], Average RMSE [1.52]
The National Weather Service forecast quality is poor. MaxT RMSE [3.54], Average RMSE [1.86] : Use NWS
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 61F. Breezy. Winds from the WNW at 10 to 20 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 48F. Breezy. Winds from the WNW at 10 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 45 57 | 51 56 | 50 51 | 49
Wind 14 mph NW 14 mph WNW 16 mph WNW 12 mph WNW
Humidity 82% 82% 81% 91%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 52% 51% 63% 64%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy
Sunrise & Sunset
5:52 AM
8:21 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.15], Average RMSE [1.50]
The National Weather Service forecast quality is poor. MaxT RMSE [3.53], Average RMSE [1.78] : Use NWS
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Sunday
partlycloudy Partly cloudy in the morning, then clear. High of 61F. Winds from the WNW at 10 to 15 mph.
Sunday Night
nt_partlycloudy Partly cloudy in the evening, then overcast. Fog overnight. Low of 50F. Winds from the WNW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 46 57 | 54 57 | 50 53 | 48
Wind 10 mph NW 11 mph WNW 14 mph WNW 12 mph WNW
Humidity 85% 89% 77% 88%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 64% 13% 20% 32%
Conditions Mostly Cloudy Clear Clear Fog
Sunrise & Sunset
5:52 AM
8:22 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.15], Average RMSE [1.77]
The National Weather Service forecast quality is fair. MaxT RMSE [3.45], Average RMSE [1.77] : Use NWS
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Monday
partlycloudy Mostly cloudy in the morning, then clear. High of 59F. Breezy. Winds from the WNW at 10 to 20 mph.
Monday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 48F. Winds from the WNW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 49 55 | 51 56 | 53 51 | 47
Wind 12 mph NW 15 mph WNW 16 mph WNW 13 mph WNW
Humidity 88% 86% 87% 87%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 94% 0% 0% 3%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:51 AM
8:23 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.31], Average RMSE [1.50]
The National Weather Service forecast quality is poor. MaxT RMSE [3.80], Average RMSE [1.76] : Use NWS
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy in the morning, then clear. High of 59F. Winds from the WNW at 10 to 15 mph.
Tuesday Night
nt_mostlycloudy Mostly cloudy. Fog overnight. Low of 46F. Winds from the WNW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 49 | 46 56 | 49 55 | 47 52 | 47
Wind 10 mph NW 11 mph WNW 14 mph WNW 11 mph NW
Humidity 88% 79% 74% 87%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 55% 8% 0% 97%
Conditions Fog Clear Clear Fog
Sunrise & Sunset
5:51 AM
8:24 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.25], Average RMSE [1.52]
The National Weather Service forecast quality is poor. MaxT RMSE [3.91], Average RMSE [1.67] : Use NWS
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Wednesday
partlycloudy Clear. High of 63F. Winds from the WNW at 5 to 15 mph.
Wednesday Night
nt_partlycloudy Clear. Fog overnight. Low of 50F. Winds from the WNW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 47 57 | 51 58 | 49 54 | 51
Wind 9 mph NW 10 mph WNW 13 mph WNW 8 mph WNW
Humidity 89% 80% 74% 86%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 3% 1% 0% 0%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:51 AM
8:24 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.05], Average RMSE [1.63]
The National Weather Service forecast quality is poor. MaxT RMSE [4.08], Average RMSE [1.50] : Use NWS
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Thursday
partlycloudy Clear. High of 66F. Winds from the WNW at 5 to 15 mph.
Thursday Night
nt_clear Clear. Fog overnight. Low of 52F. Winds from the WNW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 48 59 | 53 58 | 49 54 | 51
Wind 5 mph WNW 8 mph WNW 11 mph WNW 7 mph WNW
Humidity 90% 79% 74% 90%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 2% 2% 0%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:51 AM
8:24 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.20], Average RMSE [1.75]
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Friday
partlycloudy Clear. High of 64F. Winds from the West at 5 to 15 mph.
Friday Night
nt_clear Clear. Low of 54F. Winds from the WNW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 50 60 | 55 62 | 55 55 | 51
Wind 6 mph WNW 8 mph West 13 mph WNW 11 mph WNW
Humidity 92% 83% 80% 86%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 12% 2% 1% 4%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:51 AM
8:24 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.09], Average RMSE [2.07]
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Saturday
clear Clear. High of 61F. Winds from the WNW at 5 to 20 mph.
Saturday Night
nt_clear Clear. Low of 52F. Winds from the WNW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 55 | 53 61 | 55 58 | 50 53 | 51
Wind 9 mph WNW 10 mph WNW 15 mph WNW 12 mph WNW
Humidity 95% 82% 78% 88%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 6% 7% 9% 7%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:51 AM
8:24 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.38], Average RMSE [1.96]
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Sunday
clear Clear. High of 61F. Breezy. Winds from the WNW at 10 to 20 mph.
Sunday Night
nt_clear Clear. Low of 52F. Breezy. Winds from the NW at 10 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 49 60 | 51 56 | 45 53 | 45
Wind 11 mph NW 12 mph WNW 18 mph WNW 14 mph NW
Humidity 87% 73% 64% 73%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 5% 3% 1% 1%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:51 AM
8:24 PM
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Monday
clear Clear. High of 61F. Breezy. Winds from the WNW at 10 to 20 mph.
Monday Night
nt_clear Clear. Low of 52F. Breezy. Winds from the WNW at 10 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 47 60 | 49 58 | 45 53 | 45
Wind 12 mph NW 12 mph NW 17 mph WNW 13 mph WNW
Humidity 79% 67% 60% 72%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 1% 1% 1% %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:51 AM
8:24 PM
Nearby
History & Almanac
May 25, 2012 Max Temp Min Temp
Normal (KSFO) 68 °F 51 °F
Record (KSFO) 87 °F (1951) 45 °F (1967)
Yesterday 63 °F 50 °F
Yesterday's Heating Degree Days: 8
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
Coastal Water Temperatures
Place Temperature
Point Reyes, CA 50.0 °F
San Francisco, CA 53.1 °F
Richmond, CA 57.9 °F
Astronomy
May. 25, 2012 Rise Set
Actual Time 5:53 AM PDT 8:21 PM PDT
Civil Twilight 5:23 AM PDT 8:51 PM PDT
Nautical Twilight 4:45 AM PDT 9:28 PM PDT
Astronomical Twilight 4:04 AM PDT 10:09 PM PDT
Moon 9:56 AM PDT No Moon Set
Length Of Visible Light 15h 28m
Length of Day
14h 27m
Tomorrow will be 1m 17s longer.
Waxing Crescent, 18% of the Moon is Illuminated
Today
Waxing Crescent
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New
Today's Extremes
State Highs State Lows
82 °F
Needles
75 °F
Blythe
72 °F
Palm Springs
72 °F
Thermal
32 °F
Truckee-Tahoe
35 °F
Weaverville
36 °F
Mount Shasta
37 °F
Blue Canyon
37 °F
Alturas
Snow Depth
Station Depth Elevation
Blue Lakes 1 in 8000 ft
Forestdale Creek 1 in 8029 ft
Ebbetts Pass 0 in 8700 ft
Rubicon #2 1 in 7500 ft
Burnside Lake 1 in 8139 ft
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Travel & Activities
Travel Planning
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Nearby Events
Event Date Forecast
Mega Low Tide Mussel/Clam Extravaganza 8:00 AM PDT 2012-05-25 Chance of Rain, 48°F
Guerrilla Marketing Unveiled Workshop 9:00 AM PDT 2012-05-26 Overcast, 53°F
The Fred Ross Project 4:00 PM PDT 2012-05-27 Partly Cloudy, 55°F
4th Annual Cloud Slam 2012 Cloud Computing Conference 8:00 AM PDT 2012-05-30 Clear, 54°F
Preventing the Risks Presented by Expatriate Managers - IN JAPANESE 11:00 AM PDT 2012-05-31 Partly Cloudy, 55°F
World Class Speaking:The Basics 1:00 PM PDT 2012-05-31 Partly Cloudy, 56°F
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Half Moon Bay 48 °F Mostly Cloudy 3:35 AM PDT
San Francisco 50 °F Scattered Clouds 2:56 AM PDT
San Carlos 50 °F Clear 3:30 AM PDT
Oakland 51 °F Partly Cloudy 2:53 AM PDT
Flight To ETA Status
UPS962
Ontario, CA
KOAK 03:25AM On Time
UPS942
Louisville, KY
KOAK 03:55AM On Time
FDX1167
Fort Worth, TX
KOAK 04:38AM On Time
FDX1419
Memphis, TN
KOAK 05:00AM On Time
UAL706
Kahului, HI
KSFO 04:28AM On Time
UAL396
Honolulu, HI
KSFO 05:17AM On Time
FDX1545
Memphis, TN
KSFO 05:43AM On Time
ABX805
Covington, KY
KSFO 06:42AM On Time
Flight Tracker by FlightAware FlightAware
Type Condition
Flight Rule: MVFR (KHAF)
Wind Speed: 18.0 kts.
Wind Dir: 208° (SSW)
Ceiling: 1500 ft

METAR KHAF 251035Z AUTO 34018G28KT 6SM BR BKN015 09/08 A2979 RMK AO2

Sports
Event Date Forecast
Royals vs. Orioles 7:05 PM EDT on May 25, 2012 Partly Cloudy, 81 °F
Cubs vs. Pirates 7:05 PM EDT on May 25, 2012 Chance of a Thunderstorm, 81 °F
Yankees vs. Athletics 7:05 PM PDT on May 25, 2012 Thunderstorm, 56 °F
Yankees vs. Athletics 1:05 PM PDT on May 26, 2012 Partly Cloudy, 61 °F
Event Date Forecast
Athletic vs. Barcelona 12:00 PM CEST on May 25, 2012 Scattered Clouds, High 86° F/ 30° C
Barcelona vs. Athletic 10:00 PM CEST on May 25, 2012 Scattered Clouds, High 86° F/ 30° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 27, 2012 Chance of a Thunderstorm, 85 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 03, 2012 Average High 79° F/ 26° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 25, 2012 Overcast, 74 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 26, 2012 Mostly Cloudy, 72 °F
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Montara, CA 48.9 °F 49 °F 45 °F 89% SSW  at  0.0 mph 0.00 in / hr 150 ft 3:39 AM PDT Rapid Fire  
Arbor Lane, Moss Beach, CA 47.9 °F 46 °F - - SE  at  4.0 mph - / hr 20 ft 3:36 AM PDT Normal  
Near Pillar Point Harbor, Half Moon Bay, CA 49.5 °F 50 °F 47 °F 92% WSW  at  3.0 mph 0.00 in / hr 50 ft 3:39 AM PDT Rapid Fire  
HMBYC, Princeton, CA 49.8 °F 44 °F 44 °F 81% WNW  at  17.0 mph 0.00 in / hr 10 ft 3:39 AM PDT Rapid Fire  
RAWS SPRING VALLEY CA, Millbrae, CA 45 °F 39 °F 42 °F 88% WNW  at  14 mph 0.00 in / hr 1075 ft 2:19 AM PDT MADIS
Cattle Hill, Pacifica, CA 45.8 °F 40 °F 44 °F 95% WNW  at  13.0 mph 0.00 in / hr 679 ft 3:39 AM PDT Normal  
West Fairway Park, Pacifica, CA 50.1 °F - 45 °F 84% WNW  at  8.0 mph 0.00 in / hr 40 ft 3:36 AM PDT Normal
Crestmoor, San Bruno, CA 46.3 °F 41 °F 44 °F 90% West  at  12.0 mph 0.00 in / hr 500 ft 3:39 AM PDT Rapid Fire  
Burlingame, Burlingame, CA 49.5 °F 50 °F 41 °F 73% West  at  2.7 mph 0.00 in / hr 400 ft 3:25 AM PDT Normal  
Monte Verde Area, San Bruno, CA 47.3 °F 45 °F 43 °F 84% NNW  at  5.8 mph 0.00 in / hr 490 ft 3:39 AM PDT Rapid Fire  
Rollingwood, San Bruno, CA 46.8 °F 40 °F 42 °F 85% East  at  17.4 mph 0.00 in / hr 0 ft 3:39 AM PDT Rapid Fire  
Pacifica - Upper Manor, Pacifica, CA 48.3 °F 43 °F 45 °F 88% NW  at  14.0 mph 0.00 in / hr 690 ft 3:35 AM PDT Normal
On the Hill, Pacifica, CA 46.3 °F 45 °F 45 °F 94% North  at  4.0 mph 0.00 in / hr 732 ft 3:39 AM PDT Normal  
Mussel Rock, Daly City, CA 47.1 °F 38 °F 47 °F 100% NW  at  29.0 mph 0.00 in / hr 514 ft 3:39 AM PDT Rapid Fire  
Upper Hillsborough, Hillsborough, CA 47.2 °F 42 °F 44 °F 88% NW  at  12.0 mph 0.00 in / hr 536 ft 3:39 AM PDT Rapid Fire  
Half Moon Bay, HMB, CA 49.6 °F 50 °F 47 °F 90% NW  at  3.0 mph 0.00 in / hr 95 ft 3:39 AM PDT Rapid Fire  
Higgins Canyon, Half Moon Bay, CA 46.2 °F 44 °F 44 °F 91% SSE  at  5.0 mph 0.00 in / hr 380 ft 3:39 AM PDT Rapid Fire  
HADS CRYSTAL SPRINGS COTTAGE NEAR SAN CA, Half Moon Bay, CA - - - - North  at  - 0.00 in / hr 342 ft 2:01 AM PDT MADIS
North Shoreview, San Mateo, CA 49.7 °F 45 °F 45 °F 83% West  at  14.0 mph 0.00 in / hr 10 ft 3:39 AM PDT Rapid Fire  
Laurelwood, San Mateo, CA 48.4 °F 48 °F 43 °F 82% ENE  at  2.0 mph - / hr 300 ft 3:15 AM PDT Normal  
APRSWXNET Belmont CA , Belmont, CA 48 °F 44 °F 42 °F 81% West  at  9 mph 0.00 in / hr 357 ft 3:11 AM PDT MADIS
Ingleside District, San Francisco, CA 48.8 °F 45 °F 46 °F 91% North  at  8.0 mph 0.00 in / hr 165 ft 3:39 AM PDT Rapid Fire  
MesoWest Fort Funston , San Francisco, CA 49 °F 42 °F - - WNW  at  23 mph 0.00 in / hr 57 ft 2:00 AM PDT MADIS
Lauriedale, San Mateo, CA 51.3 °F - 44 °F 77% WSW  at  4.3 mph 0.00 in / hr 30 ft 3:39 AM PDT Rapid Fire  
3rd Avenue, Foster City, CA 50.5 °F - 44 °F 84% WSW  at  33.0 mph 0.00 in / hr 150 ft 3:02 AM PDT Normal  
RAWS PULGAS CA, Half Moon Bay, CA 48 °F 40 °F 40 °F 73% West  at  23 mph 0.00 in / hr 644 ft 2:38 AM PDT MADIS
Beverly Terrace, San Carlos, CA 46.7 °F 38 °F 40 °F 78% SW  at  25.0 mph 0.00 in / hr 812 ft 3:35 AM PDT Normal  
Belmont - Island Park, Belmont, CA 50.0 °F 47 °F 40 °F 68% SW  at  8.7 mph 0.00 in / hr 5 ft 3:39 AM PDT Rapid Fire
SLS, TUNITAS CREEK, CA 46.9 °F 47 °F 44 °F 91% SSE  at  2.0 mph 0.00 in / hr 450 ft 3:39 AM PDT Rapid Fire  
Neighborhood 4, Foster City, CA 50.6 °F - 45 °F 81% NNW  at  5.0 mph 8.98 in / hr 12 ft 1:00 AM PDT Rapid Fire  
Sunnyside, San Francisco, CA 47.2 °F 44 °F 45 °F 91% WSW  at  7.0 mph 0.00 in / hr 364 ft 3:39 AM PDT Rapid Fire
Portola, San Francisco, CA 47.3 °F 41 °F 44 °F 89% NNW  at  16.6 mph 0.00 in / hr 290 ft 3:39 AM PDT Normal
Redwood Shores, Redwood City, CA 50.5 °F - 42 °F 73% NW  at  11.6 mph 0.00 in / hr 0 ft 3:39 AM PDT Rapid Fire
Emerald Hills, Redwood City, CA 48.9 °F 41 °F 38 °F 67% WNW  at  25.0 mph 0.00 in / hr 790 ft 3:35 AM PDT Normal
Kings Mountain, Woodside, CA 42.0 °F 38 °F 41 °F 96% West  at  7.0 mph 0.00 in / hr 1700 ft 3:39 AM PDT Rapid Fire  
King's Mountain 2100ft, Woodside, CA 39.5 °F 37 °F 33 °F 76% SW  at  4.0 mph 0.00 in / hr 2100 ft 3:37 AM PDT Normal  
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Special Statement
Mobile & Email Alerts Statement as of 10:01 PM PDT on May 24, 2012

... Much cooler with a chance of showers and isolated thunderstorms Friday...

An unseasonably cold weather system will rapidly approach the Bay
area overnight... arriving by Friday morning. Rain showers
currently associated with this system are being reported in
southern Oregon with radars west of Cape Mendocino starting to
pick up returns. The main impact of the system will be cool
temperatures and a continuation of the breezy to locally windy
weather we've been having the last few days.

Skies will start out sunny but with cold morning temperatures in
the upper 30s and 40s for many portions of the Bay area. By
mid-morning the core of the system will pass overhead with very
unstable air aloft. This will allow for cumulus cloud development
over the hills of the Bay area. Rain showers will be possible
through the afternoon hours... especially over the hills but its
possible that any showers could drift over the valleys. Anybody
with outdoor interests such as camping our hiking on Friday should
be prepared for unseasonably cool... possibly wet and windy weather.

Finally... the latest computer model projections have been
consistent in showing an above average chance of thunderstorms
over the far eastern portions of our district... roughly running
southward form the hills of Napa County through the far East Bay
valleys and continuing southward over the higher and mostly
unpopulated areas of Santa Clara and San Benito counties. These
far eastern counties of the Bay area will have the best chance for
seeing thunderstorms roughly from 2 PM to 7 PM Friday afternoon
and evening. Freezing levels will drop to around 6000 feet so ice
pellets and small hail will be possible in some of the heavier
cells along with dangerous cloud to ground lightning.

Any hail that falls on roads can quickly lead to traffic
accidents... especially on the get away Friday of a three day
Holiday weekend. The National Weather Service and California
Highway patrol urge motorists to slow down and stay abreast of the
latest forecast information before heading out this Holiday
weekend. As a reminder... folks heading to the Sierra should expect
winter weather conditions Friday night into Saturday with snow
over the trans-Sierra passes. There are currently snow advisories
in effect for that West Slope of the Sierra until 6 PM Friday.

Http://weather.Gov/sanfrancisco


R walbrun