Alert archive / California / Small Craft Advisories in 2017

Small Craft Advisory 257, NWS San Francisco Bay Area, CA

November 27, 2017

NWS San Francisco Bay Area, CA issued this small craft advisory at Nov 27, 2017, 8:49 AM PST. It took effect at Nov 28, 2017, 6:00 PM PST. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued
Nov 27, 2017, 8:49 AM PST (16:49 UTC)
In effect from
Nov 28, 2017, 6:00 PM PST
Expired
Nov 30, 2017, 3:00 AM PST
In force
33 hr
Issued by
NWS San Francisco Bay Area, CA

What forecasters said that day

The local office's own words before this small craft advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Francisco Bay Area, CA wrote its last area forecast discussion before this small craft advisory went out at Nov 27, 5:37 AM PST, 3 hours 12 minutes earlier.

Area forecast discussion, Nov 27, 5:37 AM PST, 3 hours 12 minutes before
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Hazardous weather outlook, Nov 26, 9:13 PM PST, 11 hours 36 minutes before
Hazardous Weather Outlook
National Weather Service San Francisco CA
913 PM PST Sun Nov 26 2017

CAZ006-505>513-516>518-528>530-271400-
San Francisco-
Coastal North Bay Including Point Reyes National Seashore-
North Bay Interior Valleys-North Bay Mountains-
San Francisco Bay Shoreline-San Francisco Peninsula Coast-
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-
Northern Salinas Valley/Hollister Valley and Carmel Valley-
Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast-
913 PM PST Sun Nov 26 2017

This hazardous weather outlook is for the San Francisco Bay Area
and Monterey Bay Area.

.DAY ONE...Sunday night

A line of showers is forecast to sweep across the region late
tonight. These showers are expected to produce brief heavy rain
as well as gusty winds. Local wind gusts of between 30 and 40 mph
are possible near the coast and in the hills. Isolated
thunderstorms are also possible. Most shower activity is expected
to end by daybreak Monday and winds will subside by then.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Patchy dense fog is likely during the night and morning hours,
mainly in the North Bay Valleys. In addition, locally strong and
gusty north winds may occur in the hills late Tuesday night and
Wednesday.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 27, 1:18 AM PSTSpecial Marine WarningMTR27 min
Nov 27, 8:49 AM PSTSmall Craft Advisory for Rough BarMTR18 hr

Nearby

Small Craft Advisories in California, 2017Every small craft advisory in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.