Alert archive / California / Areal Flood Warnings in 2017
Areal Flood Warning 35, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this areal flood warning at Feb 20, 2017, 3:23 PM PST for Santa Clara County, California. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 20, 2017, 3:23 PM PST (23:23 UTC)
- Expired
- Feb 20, 2017, 9:15 PM PST
- In force
- 6 hr
- Issued by
- NWS San Francisco Bay Area, CA
- Area
- Storm-based polygon
- Flood severity
- None
County Santa Clara County, CA
The radar
The San Francisco radar (KMUX), 20 km from the middle of the area, began a volume at 23:26 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.
What forecasters said that day
The local office's own words before this areal 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 areal flood warning went out at Feb 20, 2:41 PM PST, 42 minutes earlier.
Area forecast discussion, Feb 20, 2:41 PM PST, 42 minutes before
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</html>In the hours before
Local storm report, Feb 20, 10:26 AM PST, 4 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1026 AM PST MON FEB 20 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1008 AM FLOOD 4 E MOSS LANDING 36.80N 121.72W
02/20/2017 MONTEREY CA LAW ENFORCEMENT
ELKHORN RD AT SPRINGPOINT RD...ROAD IS FLOODING.
1017 AM DEBRIS FLOW 3 SSW LOS GATOS 37.18N 121.98W
02/20/2017 SANTA CLARA CA LAW ENFORCEMENT
MUD AND ROCKS BLOCKING LIMEKIN CYN RD AT SODA SPRINGS RD
&&
BBENJAMILocal storm report, Feb 20, 10:44 AM PST, 4 hours 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1044 AM PST MON FEB 20 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1030 AM DEBRIS FLOW 1 NE PRUNEDALE 36.82N 121.64W
02/20/2017 MONTEREY CA LAW ENFORCEMENT
MUD, DIRT AND TREES IN SLO LANE HWY101 AT CRAZY HORSE CYN
RD
1037 AM FLOOD 4 ESE WATSONVILLE 36.89N 121.70W
02/20/2017 MONTEREY CA LAW ENFORCEMENT
FLOODING OVER VEGA RD AT KARI LN. ROADWAY MAY CRACK
&&
BBENJAMILocal storm report, Feb 20, 12:24 PM PST, 2 hours 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1224 PM PST MON FEB 20 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1212 PM FLOOD 9 N HOLLISTER 36.99N 121.38W
02/20/2017 SANTA CLARA CA LAW ENFORCEMENT
ROADWAY FLOODING SR 152 AT CASA DE FRUTA
1212 PM FLOOD 5 NW GEYSERVILLE 38.76N 122.97W
02/20/2017 SONOMA CA LAW ENFORCEMENT
ABOUT 1 FT OF WATER IN ASTI RD AT ASTI STORE RD
&&
BBENJAMILocal storm report, Feb 20, 1:02 PM PST, 2 hours 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
102 PM PST MON FEB 20 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1237 PM NON-TSTM WND DMG 2 N CARMEL RIVER BEACH 36.56N 121.93W
02/20/2017 MONTEREY CA LAW ENFORCEMENT
TREE BLOWN DOWN ACROSS ALL LANES OF CARMEL WAY AT 17 MILE
DR
&&
BBENJAMILocal storm report, Feb 20, 1:59 PM PST, 1 hour 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
159 PM PST MON FEB 20 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0121 PM DEBRIS FLOW 3 WNW SAN JUAN BAUTISTA 36.86N 121.58W
02/20/2017 SAN BENITO CA LAW ENFORCEMENT
MUD AND ROCKS BLOCKING FAST LANE OF HWY 101 WEST
CONNECTION TO HWY 156
0131 PM FLOOD 5 SW CORRALITOS 36.93N 121.86W
02/20/2017 SANTA CRUZ CA LAW ENFORCEMENT
ROADWAY FLOODED ON SAN ANDREAS RD AT MAREA AVE.
&&
BBENJAMIThe office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 20, 3:53 AM PST | River Flood Warning | MTR | Santa Clara | 59 hr |
| Feb 20, 4:23 AM PST | Flash Flood Warning | MTR | Monterey | 3 hr |
| Feb 20, 5:03 AM PST | River Flood Warning | MTR | Monterey | 29 hr |
| Feb 20, 7:07 AM PST | Flash Flood Warning | MTR | Monterey | 6 hr |
| Feb 20, 7:35 AM PST | Areal Flood Advisory | MTR | Marin, Napa, City and County of San Francisco, San Mateo, Sonoma | 3 hr |
| Feb 20, 7:40 AM PST | Flash Flood Warning | MTR | Santa Cruz | 6 hr |
| Feb 20, 7:44 AM PST | Areal Flood Advisory | MTR | San Mateo, Santa Clara, Santa Cruz | 3 hr |
| Feb 20, 8:14 AM PST | Flash Flood Warning | MTR | Marin, Sonoma | 4 hr |
| Feb 20, 8:22 AM PST | Areal Flood Warning | MTR | Sonoma | 60 hr |
| Feb 20, 8:56 AM PST | Flash Flood Warning | MTR | San Benito | 6 hr |
| Feb 20, 9:04 AM PST | Flash Flood Warning | MTR | Santa Cruz | 6 hr |
| Feb 20, 10:13 AM PST | Flash Flood Warning | MTR | San Benito, Santa Clara | 6 hr |
| Feb 20, 10:26 AM PST | Flash Flood Warning | MTR | Alameda | 6 hr |
| Feb 20, 10:34 AM PST | Areal Flood Advisory | MTR | Marin, Napa, City and County of San Francisco, San Mateo, Sonoma | 3 hr |
| Feb 20, 10:48 AM PST | Areal Flood Advisory | MTR | San Mateo, Santa Clara, Santa Cruz | 3 hr |
| Feb 20, 11:21 AM PST | Areal Flood Advisory | MTR | Alameda, Contra Costa, Santa Clara | 3 hr |
| Feb 20, 1:32 PM PST | Areal Flood Advisory | MTR | Marin, Napa, City and County of San Francisco, San Mateo, Sonoma | 3 hr |
| Feb 20, 1:48 PM PST | Areal Flood Advisory | MTR | San Mateo, Santa Clara, Santa Cruz | 3 hr |
| Feb 20, 2:14 PM PST | Areal Flood Advisory | MTR | Monterey | 4 hr |
| Feb 20, 2:24 PM PST | Small Craft Advisory | MTR | 18 hr | |
| Feb 20, 2:40 PM PST | Areal Flood Advisory | MTR | San Mateo | 65 min |
Nearby
Areal Flood Warnings in California, 2017Every areal flood warning 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; radar from the NEXRAD Level II archive.