#norcalwx — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #norcalwx, aggregated by home.social.
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FROST ADVISORY,
FROM 1 AM TO 9 AM FRIDAY (3/7)Temp as low as 32 F will result in frost.
Temps in the higher elevations may drop down to as low as 28 F.WHERE: Interior #Monterey County & #SantaLucia Range, #SanBenito County & #Cholame Hills in southeast Monterey
County, North SF Bay Interior Valleys, Eastern #SantaClara Hills, East Bay Hills & southern #Salinas Valley/Arroyo Seco and Lake San Antonio. #CaliforniaMPACTS: Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold conditions can lead to hypothermia with prolonged exposure.
PRECAUTIONARY/PREPAREDNESS ACTIONS: Take steps now to protect tender plants from the cold.
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FROST ADVISORY,
FROM 1 AM TO 9 AM SATURDAY (2/15)Temps as low as 32 F will result in frost formation.
WHERE: Interior #Monterey County & #SantaLucia Range, #SanBenito County & #Cholame Hills in Southeast Monterey
County, North SF Bay Interior Valleys, Eastern #SantaClara Hills & Southern #Salinas Valley/Arroyo Seco & Lake San Antonio. #SFBay #CaliforniaIMPACTS: Cold will be hazardous to sensitive populations such as unhoused individuals. Cold conditions can lead to hypothermia with prolonged exposure.
PRECAUTIONARY/PREPAREDNESS ACTIONS: Take steps now to protect tender plants from the cold.
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FLOOD WATCH,
MONDAY (2/3) AFTERNOON THRU LATE TUESDAY NIGHTFlooding due to excessive rainfall
possible.WHERE: #Sonoma, #Napa, #Marin, #SanFrancisco, #SanMateo, #Contra Costa, #Alameda, #SantaClara, #SantaCruz, #SanBenito, #Monterey Counties. #California
IMPACTS: Runoff may result in flooding of rivers, creeks, streams & low-lying areas, & poor drainage & urban areas.
ADDITIONAL DETAILS:
-Rain in past few days has helped to saturate soils & prime portions of the Bay Area for increased flood potential. Moderate to heavy rain is expected Monday into Tues, bringing additional flooding concerns to the Central Coast, where heaviest rainfall is likely within the Santa Cruz Mntns & Santa Lucia Range.
- http://www.weather.gov/safety/floodPRECAUTIONARY/PREPAREDNESS ACTIONS: 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. -
FROST ADVISORY, FROM 1 AM TO 9 AM SATURDAY (1/25)
FREEZE WATCH, FROM LATE SATURDAY NIGHT THRU TUES
MORN (1/28)WHAT: For the Frost Advisory, temps as low as 31 F results in frost formation. For the Freeze Watch, sub-freezing temps as low as 29 F possible.
WHERE: East Bay Hills & Valleys, Most of #SanBenito County & #Cholame Hills in Southeast #Monterey County, North SF Bay Interior Valleys, Eastern #SantaClara Hills & Southern #Salinas
Valley, #ArroyoSeco & Lake #SanAntonio. #CaliforniaIMPACTS: Frost & freeze conditions could kill crops & sensitive vegetation & damage unprotected outdoor plumbing. Cold conditions will be hazardous to sensitive populations, e.g. unhoused individuals. Cold can lead to hypothermia w prolonged exposure.
PRECAUTIONARY/PREPAREDNESS ACTIONS: Take steps now to protect tender plants. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.
#CAwx #CaliforniaWeather #SFBay #NorCalWx #Freeze #FreezeWatch #FrostAdvisory
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FROST ADVISORY,
FROM 1 AM TO 9 AM PST TUESDAY (1/21)Temp as low as 33 F will result in frost.
WHERE: #SantaClara Valley & Eastern Hills, Interior #Monterey County & #SantaLucia Range, Most of #SanBenito County & #Cholame Hills in Southeast #Monterey County, North
SF Bay Interior Valleys, East SF Bay Interior Valleys & Northern
#Salinas Valley, #Hollister Valley & Carmel Valley. #CaliforniaIMPACTS: Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold Conditions can lead to hypothermia with prolonged exposure.
ADDITIONAL DETAILS: Temps in the vicinity of Fort Hunter Liggett and in portions of far southeastern Monterey County will experience locally colder temperatures as low as 29 degrees.
PRECAUTIONARY/PREPAREDNESS ACTIONS: Take steps now to protect tender plants from the cold.
Be sure to cover or tend to sensitive plants and vegetation as they
may be damaged by frost. -
FREEZE WARNING,
FROM 8 PM THIS EVE (12/30) TO 10 AM TUES (12/31)Temps as low as 29 F
WHERE: Interior #Monterey County & #SantaLucia Range, #SanBenito County & #Cholame Hills in SE Monterey County, North #SFBay Interior Mtns, Nor Bay Interior Valleys, Eastern #SantaClara Hills & Southern #Salinas Valley, #ArroyoSeco & Lake San Antonio #California
IMPACTS: Frost & freeze could kill crops, sensitive vegetation & possibly damage unprotected outdoor plumbing. Cold is hazardous to sensitive populations, e.g. unhoused individuals. Cold can lead to hypothermia with prolonged exposure.
PRECAUTIONARY/PREPAREDNESS ACTIONS:
*Take steps now.
*Prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.
*Turn off sprinklers to avoid creating ice patches on driveways & sidewalks.
*Cover or tend to sensitive plants.
*Open sink cabinet doors and/or drip faucets to reduce or prevent damage to uninsulated pipes. -
FROST ADVISORY,
FROM MIDNIGHT TONIGHT (12/14) TO 9 AM SUNDAYWHAT: Temps as low as 31 will result in frost.
WHERE: Interior #Monterey County & the #SantaLucia Range, most of #SanBenito County & #Cholame Hills in SE #Monterey County, North Bay Interior Mtns, North Bay Interior Valleys, Eastern Santa Clara Hills, East Bay Hills & So #Salinas Valley, #ArroyoSeco & Lake San Antonio. #SFBay #California
IMPACTS: Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if uncovered. Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold conditions can lead to hypothermia with prolonged exposure.
ADDITIONAL DETAILS: Sub-freezing temperatures will be possible in the highest elevations.
PRECAUTIONARY/PREPAREDNESS ACTIONS: Take steps now to protect tender plants.
Be sure to cover or tend to sensitive plants and vegetation as they
may be damaged by frost. -
FROST ADVISORY
FROM MIDNIGHT TONIGHT (12/10) TO 9 AM WENESDAYTemps as low as 36 will result in frost.
WHERE: North #SanFranciso Bay Interior Valleys, East Bay Interior Valleys, Eastern
#SantaClara Hills, East Bay Hills, Southern #Salinas Valley/ #ArroyoSeco & #LakeSanAntonio, Mountains of #SanBenito County & Interior #Monterey County & #Pinnacles National Park, #CaliforniaIMPACTS: Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold Conditions can lead to hypothermia with prolonged exposure.
PRECAUTIONARY/PREPAREDNESS ACTIONS:
*Take steps now to protect tender plants from the cold.
*Be sure to cover or tend to sensitive plants and vegetation as they
may be damaged by frost.#NorCalWx #CAwx #CaliforniaWeather #SFBay #Frost #FrostAdvisory
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FROST ADVISORY
FROM MIDNIGHT TONIGHT (12/9) TO 9 AM TUESDAYTemps as low as 32 will result in frost.
WHERE: #SantaClara Valley & Eastern Hills, East Bay Hills & Valleys, #SanBenito County & the #Cholame Hills in Southeast #Monterey County & North Bay Interior Valleys. #SanFrancisco Bay Area #California
IMPACTS: Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold Conditions can lead to hypothermia with prolonged exposure.
PRECAUTIONARY/PREPAREDNESS ACTIONS:
*Take steps now to protect tender plants from the cold.
*Be sure to cover or tend to sensitive plants and vegetation as they
may be damaged by frost.#NorCalWx #CAwx #CaliforniaWeather #SFBay #Frost #FrostAdvisory
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FROST ADVISORY,
FROM 10 PM WED (11/27) TO 9 AM THURSDAY (11/28)Temps as low as 32 F will result in frost formation.
WHERE: East San Francisco Bay Hills & Valleys, #Salinas & #Carmel Valleys & #Hollister Area, most of #SanBenito County & #Cholame Hills in Southeast #Monterey County, North SF Bay Interior
Mountains, North SF Bay Interior Valleys & Eastern #SantaClara Hills. #CaliforniaIMPACTS: Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold Conditions can lead to hypothermia with prolonged exposure.
PRECAUTIONARY/PREPAREDNESS ACTIONS:
*Take steps now to protect tender plants from the cold.
*Turn off sprinklers ahead of sub-freezing temperatures to avoid creating ice patches on driveways and sidewalks.
*Cover or tend to sensitive plants and vegetation as they may be damaged by frost.#SFBay #CaliforniaWeather #CAwx #NorCalWx #Frost #FrostAdvisory
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FREEZE WARNING,
FROM MIDNIGHT TONIGHT (11/15) TO 8 AM SATURDAY (11/16)Sub-freezing temperatures as low as 28 expected.
WHERE: Most of #SanBenito County & #Cholame Hills in Southeast #Monterey County, #North #SanFrancisco Bay Interior Mountains, North SF Bay Interior Valleys & Southern #Salinas Valley/Arroyo Seco & Lake San Antonio. #California
IMPACTS: Frost & freeze could kill crops, other sensitive vegetation & possibly damage unprotected outdoor plumbing. Cold conditions will be hazardous to sensitive populations such as unhoused individuals.
PRECAUTIONARY/PREPAREDNESS ACTIONS:
*Take steps now to protect tender plants from the cold.
*To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.
*Be sure to open sink cabinet doors and/or drip faucets. This may help reduce or prevent damage to uninsulated pipes and other plumbing.#SFBay #CaliforninaWeather #CAwx #NorCalWx #Frost #FrostWarning #Freeze #FreezeWarning
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RED FLAG WARNING,
FROM 11 AM TUES MORN (11/5) THRU THURS MORN (11/7)Gusts up to 50 mph across higher elevations with relative humidity (RH) recoveries in the 30-45% range Tuesday night. Winds decrease thru the day Wed, but with the RH drops to the high teens. Fire weather conditions remain critical through Wed night.
WHERE: #SanFrancisco Bay Area & Central CA Coast, #California:
#SanFrancisco, #Marin Coastal Range, #Sonoma Coastal Range, #NorthBay Interior Mountains & Interior Valleys,
SF Bay Shoreline & Peninsula Coast, #EastBay Interior Valleys, #SantaCruz Mountains, #SantaClara Valley Including #SanJose, Eastern #SantaClara Hills, #EastBay Hills, #SantaLucia Mountains & #LosPadres National Forest, Mountains of #SanBenito County & Interior #Monterey County, #Pinnacles National Park, Northern Monterey Bay#ReadyforWildfire #FireWx #FireWeather #CaliforniaWeather #CAwx #NorCalWx #SFBay #RedFlagWarning
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HEAT ADVISORY,
FROM 10 AM THURSDAY (7/18) TO 11 PM
FRIDAY (7/19)*Temps up to100s F.
* WHERE: Interior portions of the SF North Bay, East Bay, and South Bay, as well as interior portions of #Monterey and #SanBenito counties. #SFBay #California #NorCalwx
*IMPACTS: Moderate Heat Risk across inland areas. This level of heat affects individuals sensitive to heat, especially those without effective cooling and/or adequate hydration.
PRECAUTIONARY:
*Drink plenty of fluids.
*Stay in an air-conditioned room.
*Stay out of the sun.
*Check up on relatives & neighbors.
*Take extra precautions if you work or spend time outside.
*Reschedule strenuous activities to early morning or
evening.
*Know the signs & symptoms of heat exhaustion & heat stroke.
*NEVER leave kids, elderly or pets in a car! -
WIND ADVISORY,
UNTIL 10 AM SATURDAY (03/02)WHAT: Southwest winds 25 to 35 mph w gusts up to 55 mph
Where: #SanFrancisco, #Marin Coastal Range, #Sonoma Coastal Range-
North SF Bay Interior Mountains, Coastal North Bay, #PointReyes National Seashore, San Francisco Peninsula Coast, #EastBay Interior Valleys, #SantaCruz Mountains, Eastern #SantaClara Hills, #EastBay Hills, #SantaLucia Mountains & #LosPadres National Forest, Mountains of #SanBenito & Interior #Monterey County including
#Pinnacles National Park; #CaliforniaIMPACTS: Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
PRECAUTIONARY/PREPAREDNESS ACTIONS:
Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. -
FLOOD WATCH,
FROM SUNDAY (02/18) MORN THRU WEDNESDAY (02/22) MORNWHAT: Flooding caused by excessive rainfall is possible
WHERE: Portions of central & northern #California, including: central CA, Mountains of #SanBenito County & Interior #Monterey County, #Pinnacles National Park, Northern #Salinas Valley, #Hollister Valley & #Carmel Valley, #SantaLucia Mountains & #LosPadres National Forest, Southern Monterey Bay & #BigSur Coast & Southern #Salinas Valley, #ArroyoSeco & Lake San Antonio. In northern CA, Coastal Nor Bay, #Point Reyes National Seashore, #EastBay Hills, East Bay Interior Valleys, Eastern #SantaClara Hills, #Marin Coastal Range, Nor Bay Interior Mountains, North Bay Interior Valleys, Northern Monterey Bay, #SanFrancisco, San Francisco Bay Shoreline, San Francisco Peninsula Coast, #SantaClara Valley, #SanJose, #SantaCruz Mountains & #Sonoma Coastal Range.
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Hydrologic Outlook
MODERATE #RAINFALL WILL LEAD TO MODERATE TO POTENTIALLY RAPID RISES ALONG AREA CREEKS, STREAMS & RIVERS
WHERE: For the entire forecast area from #Napa & #Sonoma Counties & south thru #Monterey & #SanBenito Counties. Although current forecast shows creeks & rivers remaining below flood stage, some locations may reach monitor stage. #California
WHEN: Saturday (2/17) through Wednesday (2/21).
ADDITIONAL DETAILS: Localized ponding of water in low-lying or poorly drained areas, such as freeway offramps.
Details regarding this storm will likely change as the system
nears. Stay tuned to the latest forecast for the most
up to date weather information. -
FROST ADVISORY,
FROM 10 PM WED (02/07) EVENING TO 9 AM THURSDAY (02/08)WHAT: Temps as low as 33 will result in frost formation.
WHERE: North San Francisco Bay Interior Valleys, Southern #Salinas Valley, #ArroyoSeco & Lake #SanAntonio & Mountains of #SanBenito & Interior #Monterey County including #Pinnacles National Park. #SFBay #California
IMPACTS: Frost could kill sensitive outdoor vegetation if left uncovered.
ADDITIONAL DETAILS: Remember to protect people, pets & plants from the cold.
PRECAUTIONARY/PREPAREDNESS ACTIONS: Take steps now to protect tender plants from the cold.
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FLOOD WATCH,
FROM 4 PM SAT AFTERNOON (02/03)
THRU MON MORN (02/05)WHAT: Flooding due to excessive rainfall.
WHERE: Portions of central & nor #California, including Mountains of #SanBenito County & Interior #Monterey County, #Pinnacles National
Park, So. Monterey Bay and #BigSur Coast & So. Salinas Valley/Arroyo Seco & Lake #SanAntonio. In nor CA, Coastal Nor Bay Including #PointReyes National Seashore, East Bay Hills, East Bay Interior Valleys, Eastern #SantaClara Hills, #Marin Coastal Range, Nor. Bay Interior Mountains, Nor. Bay
Interior Valleys, Northern Monterey Bay, #SanFrancisco & SF Bay Shoreline, SF Peninsula Coast, Santa Clara Valley, #SanJose, #SantaCruz Mountains & Sonoma Coastal Range.Monitor later forecasts and be alert for possible Flood
Warnings.