Alert archive / California / Wind Advisories in 2016

Wind Advisory 9, NWS San Francisco Bay Area, CA

October 14, 20165 counties in California

NWS San Francisco Bay Area, CA issued this wind advisory at Oct 14, 2016, 2:03 PM PDT for 5 counties in California. It took effect at Oct 15, 2016, 2:00 PM PDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Oct 14, 2016, 2:03 PM PDT (21:03 UTC)
In effect from
Oct 15, 2016, 2:00 PM PDT
Expired
Oct 15, 2016, 8:55 PM PDT
In force
7 hr
Issued by
NWS San Francisco Bay Area, CA

Counties City and County of San Francisco, CA, Marin County, CA, San Mateo County, CA, Santa Cruz County, CA, Sonoma County, CA

The radar

The San Francisco radar (KMUX), 86 km from the middle of the area, began a volume at 21:04 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Oakland, CA (KOAK), launched 12:00Z, 9.1 hours before the alert went out and 26 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Oakland, CA at 12:00Z on 2016-10-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Oakland, CA at 12:00Z on 2016-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
777 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
215 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

180 
WWUS76 KMTR 142103
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
203 PM PDT FRI OCT 14 2016

...GUSTY SOUTHERLY WINDS WILL DEVELOP WITH THE NEXT FRONTAL SYSTEM
SATURDAY AFTERNOON AND EVENING...

.ANOTHER COLD FRONT WILL MOVE ACROSS THE AREA LATE SATURDAY
BRINGING GUSTY SOUTHERLY WINDS TO THE COASTAL AREA AND HIGHER
TERRAIN FROM THE SAN FRANCISCO PENINSULA NORTHWARD. WIND GUSTS TO
45 MPH ARE POSSIBLE.

CAZ006-505-507-509-511-150900-
/O.NEW.KMTR.WI.Y.0009.161015T2100Z-161016T0900Z/
SAN FRANCISCO-
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-SAN FRANCISCO PENINSULA COAST-
EAST BAY HILLS AND THE DIABLO RANGE-
INCLUDING THE CITIES OF...SAN FRANCISCO...TAMALPAIS-HOMESTEAD...
SAUSALITO...ANGWIN...LAGUNITAS-FOREST KNOLLS...WOODACRE...
PACIFICA...BLACKHAWK
203 PM PDT FRI OCT 14 2016

...WIND ADVISORY IN EFFECT FROM 2 PM SATURDAY TO 2 AM PDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 2 PM SATURDAY TO 2 AM PDT
SUNDAY. 

* LOCATION...THE NORTH AND EAST BAY HILLS...AND ALONG THE COAST
  FROM SONOMA COUNTY SOUTH THROUGH SAN MATEO COUNTY. 

* TIMING...2 PM SATURDAY AFTERNOON TO 2 AM SUNDAY MORNING.

* WINDS...SOUTHERLY WINDS 15 TO 30 MPH WITH GUSTS TO 45 MPH.

* IMPACTS...DOWNED TREES...LIMBS AND POWERLINES ARE POSSIBLE.
  SECURE LOOSE OUTDOOR OBJECTS SUCH AS LAWN FURNITURE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
3 follow-up statements
525 
WWUS76 KMTR 151017
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
317 AM PDT SAT OCT 15 2016

...GUSTY SOUTHERLY WINDS WILL DEVELOP WITH THE NEXT FRONTAL
SYSTEM THIS AFTERNOON AND EVENING...

.ANOTHER COLD FRONT WILL MOVE ACROSS THE AREA THIS AFTERNOON AND
EVENING BRINGING GUSTY SOUTHERLY WINDS TO COASTAL AREAS AND
HIGHER ELEVATIONS FROM THE SAN FRANCISCO PENINSULA NORTHWARD.
WIND GUSTS TO 45 MPH ARE POSSIBLE.

CAZ006-505-507-509-511-152200-
/O.CON.KMTR.WI.Y.0009.161015T2100Z-161016T0900Z/
SAN FRANCISCO-
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-SAN FRANCISCO PENINSULA COAST-
EAST BAY HILLS AND THE DIABLO RANGE-
INCLUDING THE CITIES OF...SAN FRANCISCO...TAMALPAIS-HOMESTEAD...
SAUSALITO...ANGWIN...LAGUNITAS-FOREST KNOLLS...WOODACRE...
PACIFICA...BLACKHAWK
317 AM PDT SAT OCT 15 2016

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
2 AM PDT SUNDAY...

* LOCATION...THE NORTH AND EAST BAY HILLS...AND ALONG THE COAST 
  FROM SONOMA COUNTY SOUTH THROUGH SAN MATEO COUNTY. 

* TIMING...2 PM THIS AFTERNOON TO 2 AM SUNDAY MORNING.

* WINDS...SOUTHERLY WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH.

* IMPACTS...DOWNED TREES...LIMBS AND POWERLINES ARE POSSIBLE. 
  SECURE LOOSE OUTDOOR OBJECTS SUCH AS LAWN FURNITURE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
749 
WWUS76 KMTR 152128
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
228 PM PDT SAT OCT 15 2016

...GUSTY SOUTHERLY WINDS WILL DEVELOP WITH THE NEXT FRONTAL
SYSTEM THIS AFTERNOON AND EVENING...

.ANOTHER COLD FRONT WILL MOVE ACROSS THE AREA THIS AFTERNOON AND
EVENING BRINGING GUSTY SOUTHERLY WINDS TO COASTAL AREAS AND
HIGHER ELEVATIONS FROM THE SAN FRANCISCO PENINSULA NORTHWARD.
WIND GUSTS TO 45 MPH ARE POSSIBLE.

CAZ006-505-507-509-511-160900-
/O.CON.KMTR.WI.Y.0009.000000T0000Z-161016T0900Z/
SAN FRANCISCO-
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-SAN FRANCISCO PENINSULA COAST-
EAST BAY HILLS AND THE DIABLO RANGE-
INCLUDING THE CITIES OF...SAN FRANCISCO...TAMALPAIS-HOMESTEAD...
SAUSALITO...ANGWIN...LAGUNITAS-FOREST KNOLLS...WOODACRE...
PACIFICA...BLACKHAWK
228 PM PDT SAT OCT 15 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT SUNDAY...

* LOCATION...THE NORTH AND EAST BAY HILLS...AND ALONG THE COAST 
  FROM SONOMA COUNTY SOUTH THROUGH SAN MATEO COUNTY. 

* TIMING...2 PM THIS AFTERNOON TO 2 AM SUNDAY MORNING.

* WINDS...SOUTHERLY WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH.

* IMPACTS...DOWNED TREES...LIMBS AND POWERLINES ARE POSSIBLE. 
  SECURE LOOSE OUTDOOR OBJECTS SUCH AS LAWN FURNITURE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
988 
WWUS76 KMTR 160355
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
855 PM PDT SAT OCT 15 2016

CAZ006-505-507-509-511-160500-
/O.CAN.KMTR.WI.Y.0009.000000T0000Z-161016T0900Z/
SAN FRANCISCO-
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-SAN FRANCISCO PENINSULA COAST-
EAST BAY HILLS AND THE DIABLO RANGE-
INCLUDING THE CITIES OF...SAN FRANCISCO...TAMALPAIS-HOMESTEAD...
SAUSALITO...ANGWIN...LAGUNITAS-FOREST KNOLLS...WOODACRE...
PACIFICA...BLACKHAWK
855 PM PDT SAT OCT 15 2016

...WIND ADVISORY IS CANCELLED...

SOUTHERLY WINDS HAVE BEEN GRADUALLY DECREASING SINCE EARLY
EVENING. WINDS ARE EXPECTED TO CONTINUE TO EASE OVERNIGHT.
THEREFORE, THE WINDS ADVISORY FOR THE NORTH AND EAST BAY HILLS AND
COASTAL SECTIONS OF THE SAN FRANCISCO BAY AREA HAS BEEN CANCELLED.

SOUTHERLY WINDS WILL INCREASE ONCE AGAIN ON SUNDAY, MAINLY FROM
MONTEREY BAY SOUTHWARD.

$$

The office that day

Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 14, 8:53 AM PDTSmall Craft AdvisoryMTR66 hr

Nearby

Wind Advisories in California, 2016Every wind advisory in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.