Alert archive / California / River Flood Warnings in 2019

River Flood Warning 1, NWS San Francisco Bay Area, CA

January 16, 2019Santa Clara County, California

NWS San Francisco Bay Area, CA issued this river flood warning at Jan 16, 2019, 10:13 PM PST for Santa Clara County, California. It took effect at Jan 16, 2019, 10:18 PM PST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jan 16, 2019, 10:13 PM PST (06:13 UTC)
In effect from
Jan 16, 2019, 10:18 PM PST
Expired
Jan 17, 2019, 3:51 AM PST
In force
6 hr
Issued by
NWS San Francisco Bay Area, CA
Area
Storm-based polygon
Flood severity
Minor

County Santa Clara County, CA

The radar

The San Francisco radar (KMUX), 20 km from the middle of the area, began a volume at 06:17 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 river

Written for the forecast point Guadalupe River (CA) above Almaden Expressway (GUDC1).

Action stage
9 ft
Minor stage
10.5 ft
Moderate stage
11 ft
Major stage
12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning 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 river flood warning went out at Jan 16, 10:11 PM PST, 2 minutes earlier.

Area forecast discussion, Jan 16, 10:11 PM PST, 2 minutes before
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In the hours before

Local storm report, Jan 16, 6:57 PM PST, 3 hours 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
657 PM PST WED JAN 16 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0651 PM     NON-TSTM WND DMG 1 NNE CAMBRIAN PARK     37.28N 121.92W
01/16/2019                   SANTA CLARA        CA   PUBLIC

            SAN JOSE FIRE DEPARTMENT IS REPORTING POWER
            LINES DOWN ON CURTNER NEAR LEIGH.

&&

PALMER
Local storm report, Jan 16, 6:59 PM PST, 3 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
659 PM PST WED JAN 16 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0642 PM     NON-TSTM WND DMG 3 NNE LAGUNITAS-FOREST  38.05N 122.67W
01/16/2019                   MARIN              CA   FIRE DEPT/RESCUE

            MARIN COUNTY FIRE IS REPORTING MULTIPLE
            POWER LINES ALONG LUCAS VALLEY ROAD.

&&

PALMER
Local storm report, Jan 16, 7:08 PM PST, 3 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
708 PM PST WED JAN 16 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0525 PM     NON-TSTM WND DMG 2 S PIEDMONT            37.80N 122.23W
01/16/2019                   ALAMEDA            CA   BROADCAST MEDIA

            THE EAST BAY TIMES IS REPORTING THAT THE CHP
            RESPONDED TO REPORTS OF A DOWNED TREE THAT
            KILLED A MAN.

&&

PALMER
Local storm report, Jan 16, 7:25 PM PST, 2 hours 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
725 PM PST WED JAN 16 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0718 PM     NON-TSTM WND DMG 1 SSE BOULDER CREEK     37.13N 122.12W
01/16/2019                   SANTA CRUZ         CA   PUBLIC

            POWER OUTAGE REPORTED IN BOULDER CREEK BY
            THE PUBLIC VIA FACEBOOK.

&&

PALMER
Local storm report, Jan 16, 7:36 PM PST, 2 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
736 PM PST WED JAN 16 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0724 PM     FLASH FLOOD      3 ESE TEMELEC           38.24N 122.45W
01/16/2019                   SONOMA             CA   LAW ENFORCEMENT

            SR-121 IS CLOSED FROM EIGHTH STREET EAST TO
            SR-116 DUE TO FLOODING.

&&

PALMER
Local storm report, Jan 16, 7:58 PM PST, 2 hours 15 minutes before
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<head>
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  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 16, 4:07 PM PSTAreal Flood AdvisoryMTRMonterey3 hr
Jan 16, 5:18 PM PSTAreal Flood WarningMTRSonoma3 hr
Jan 16, 5:25 PM PSTAreal Flood WarningMTRMarin3 hr
Jan 16, 5:35 PM PSTAreal Flood AdvisoryMTRNapa3 hr
Jan 16, 6:12 PM PSTSpecial Marine WarningMTR48 min
Jan 16, 6:22 PM PSTFlash Flood WarningMTRSonoma4 hr
Jan 16, 6:28 PM PSTAreal Flood AdvisoryMTRCity and County of San Francisco, San Mateo3 hr
Jan 16, 6:56 PM PSTSpecial Marine WarningMTR49 min
Jan 16, 7:21 PM PSTSpecial Marine WarningMTR39 min
Jan 16, 7:24 PM PSTAreal Flood AdvisoryMTRMonterey5 hr
Jan 16, 7:40 PM PSTFlash Flood WarningMTRNapa, Sonoma52 min
Jan 16, 7:42 PM PSTSpecial Marine WarningMTR48 min
Jan 16, 7:52 PM PSTSpecial Marine WarningMTR23 min
Jan 16, 8:19 PM PSTAreal Flood WarningMTRSonoma6 hr
Jan 16, 8:23 PM PSTAreal Flood AdvisoryMTRMarin3 hr
Jan 16, 8:46 PM PSTAreal Flood AdvisoryMTRSanta Cruz119 min
Jan 16, 10:08 PM PSTAreal Flood WarningMTRNapa, Sonoma3 hr
Jan 17, 2:14 AM PSTAreal Flood WarningMTRSonoma6 hr
Jan 17, 2:51 AM PSTSmall Craft AdvisoryMTR48 hr
Jan 17, 3:48 AM PSTRiver Flood WarningMTRMonterey5 hr
Jan 17, 8:38 AM PSTSpecial Weather StatementMTRSanta Cruz22 min
Jan 17, 8:58 AM PSTSmall Craft Advisory for Rough BarMTR42 hr

Nearby

River Flood Warnings in California, 2019Every river flood warning in 2019

Sources

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