Alert archive / California / Wind Advisories in 2016
Wind Advisory 8, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this wind advisory at Apr 29, 2016, 2:45 AM PDT for San Mateo County, Santa Clara County, Santa Cruz County, California. It took effect at Apr 29, 2016, 11:00 PM PDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Apr 29, 2016, 2:45 AM PDT (09:45 UTC)
- In effect from
- Apr 29, 2016, 11:00 PM PDT
- Expired
- Apr 30, 2016, 10:00 AM PDT
- In force
- 11 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA
The radar
The San Francisco radar (KMUX), 14 km from the middle of the area, began a volume at 09:45 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 00:00Z, 9.8 hours before the alert went out and 58 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1711 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
531
WWUS76 KMTR 290945
NPWMTR
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
245 AM PDT FRI APR 29 2016
...GUSTY NORTHEAST WINDS DEVELOPING IN THE BAY AREA HILLS LATER
TONIGHT INTO SATURDAY MORNING...
.A FRONT PASSING OVER THE SIERRA WILL PRODUCE A STRONG PRESSURE
GRADIENT FROM THE MOUNTAINS TO THE COAST. AS A RESULT STRONG AND
GUSTY NORTHEAST WINDS WILL DEVELOP LATER TONIGHT INTO SATURDAY
MORNING OVER THE HILLS OF THE BAY AREA. WIND GUSTS TO 45 MPH WILL
BE LIKELY.
CAZ507-511-512-292200-
/O.NEW.KMTR.WI.Y.0008.160430T0600Z-160430T1700Z/
NORTH BAY MOUNTAINS-EAST BAY HILLS AND THE DIABLO RANGE-
SANTA CRUZ MOUNTAINS-
INCLUDING THE CITIES OF...ANGWIN...LAGUNITAS-FOREST KNOLLS...
WOODACRE...BLACKHAWK...SCOTTS VALLEY...BOULDER CREEK...DAY VALLEY
245 AM PDT FRI APR 29 2016
...WIND ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 10 AM PDT
SATURDAY...
THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 10 AM
PDT SATURDAY.
* LOCATION...THE HILLS ABOVE 1000 FEET...INCLUDING THE NORTH AND EAST
BAY HILLS AS WELL AS THE SANTA CRUZ MOUNTAINS. STRONGEST
WINDS WILL OCCUR ABOVE 1500 FEET.
* TIMING...11 PM FRIDAY NIGHT THROUGH 10 AM SATURDAY MORNING.
* WINDS...NORTHERLY 15 TO 30 MPH WITH FREQUENT GUSTS TO 45 MPH.
* IMPACTS...DOWNED TREES...LIMBS AND POWERLINES WILL BE 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.
&&
$$
WALBRUN2 follow-up statements
964 WWUS76 KMTR 292138 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 238 PM PDT FRI APR 29 2016 ...GUSTY NORTHEAST WINDS DEVELOPING IN THE BAY AREA HILLS LATER TONIGHT INTO SATURDAY MORNING... .A FRONT PASSING OVER THE SIERRA WILL PRODUCE A STRONG PRESSURE GRADIENT FROM THE MOUNTAINS TO THE COAST. AS A RESULT STRONG AND GUSTY NORTHEAST WINDS WILL DEVELOP LATER TONIGHT INTO SATURDAY MORNING OVER THE HILLS OF THE BAY AREA. WIND GUSTS TO 45 MPH WILL BE LIKELY. CAZ507-511-512-301200- /O.CON.KMTR.WI.Y.0008.160430T0600Z-160430T1700Z/ NORTH BAY MOUNTAINS-EAST BAY HILLS AND THE DIABLO RANGE- SANTA CRUZ MOUNTAINS- INCLUDING THE CITIES OF...ANGWIN...LAGUNITAS-FOREST KNOLLS... WOODACRE...BLACKHAWK...SCOTTS VALLEY...BOULDER CREEK...DAY VALLEY 238 PM PDT FRI APR 29 2016 ...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 10 AM PDT SATURDAY... * LOCATION...THE HILLS ABOVE 1000 FEET...INCLUDING THE NORTH AND EAST BAY HILLS AS WELL AS THE SANTA CRUZ MOUNTAINS. STRONGEST WINDS WILL OCCUR ABOVE 1500 FEET. * TIMING...11 PM FRIDAY NIGHT THROUGH 10 AM SATURDAY MORNING. * WINDS...NORTHERLY 15 TO 30 MPH WITH FREQUENT GUSTS TO 45 MPH. * IMPACTS...DOWNED TREES...LIMBS AND POWERLINES WILL BE POSSIBLE. SECURE LOOSE OUTDOOR OBJECTS SUCH AS LAWN FURNITURE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
077 WWUS76 KMTR 300956 NPWMTR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 256 AM PDT SAT APR 30 2016 ...GUSTY NORTHEAST WINDS IN THE BAY AREA HILLS THIS MORNING... .STRONG AND GUSTY NORTHEAST WINDS WILL CONTINUE THIS MORNING OVER THE HILLS OF THE BAY AREA. WIND GUSTS FROM 45 TO 55 MPH WILL CONTINUE THROUGH 10 AM IN THE HILLS ABOVE 1000 FEET. CAZ507-511-512-301630- /O.CON.KMTR.WI.Y.0008.000000T0000Z-160430T1700Z/ NORTH BAY MOUNTAINS-EAST BAY HILLS AND THE DIABLO RANGE- SANTA CRUZ MOUNTAINS- INCLUDING THE CITIES OF...ANGWIN...LAGUNITAS-FOREST KNOLLS... WOODACRE...BLACKHAWK...SCOTTS VALLEY...BOULDER CREEK...DAY VALLEY 256 AM PDT SAT APR 30 2016 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT THIS MORNING... * LOCATION...THE HILLS ABOVE 1000 FEET...INCLUDING THE NORTH AND EAST BAY HILLS AS WELL AS THE SANTA CRUZ MOUNTAINS. STRONGEST WINDS WILL OCCUR ABOVE 1500 FEET. * TIMING...THROUGH 10 AM SATURDAY MORNING. * WINDS...NORTHERLY 15 TO 30 MPH WITH FREQUENT GUSTS TO 45 MPH. * IMPACTS...DOWNED TREES...LIMBS AND POWERLINES WILL BE 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. && $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 9:03 PM PDT | Gale Warning | MTR | 30 hr | |
| Apr 29, 2:50 PM PDT | Small Craft Advisory | MTR | 42 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.