Alert archive / California / River Flood Warnings in 2023
River Flood Warning 5, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this river flood warning at Jan 8, 2023, 9:49 PM PST for 4 counties in California. It took effect at Jan 9, 2023, 7:45 PM PST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jan 8, 2023, 9:49 PM PST (05:49 UTC)
- In effect from
- Jan 9, 2023, 7:45 PM PST
- Expired
- Jan 10, 2023, 3:18 AM PST
- In force
- 8 hr
- Issued by
- NWS San Francisco Bay Area, CA
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Monterey County, CA, San Benito County, CA, Santa Clara County, CA, Santa Cruz County, CA
The radar
The San Francisco radar (KMUX), 54 km from the middle of the area, began a volume at 05:48 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 Pajaro River at Chittenden (AROC1). The gauge peaked at 27.66 ft at Jan 10, 2023, 9:00 PM PST.
- Action stage
- 22 ft
- Minor stage
- 24.1 ft
- Major stage
- 27.1 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 11159000, 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 8, 9:45 PM PST, 4 minutes earlier.
Area forecast discussion, Jan 8, 9:45 PM PST, 4 minutes before
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</html>The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 8:29 PM PST | Storm Warning | MTR | 13 hr | |
| Jan 8, 9:33 PM PST | River Flood Warning | MTR | Sonoma | 30 hr |
| Jan 9, 1:46 AM PST | Areal Flood Advisory | MTR | Marin, Napa, Sonoma | 16 hr |
| Jan 9, 2:18 AM PST | Areal Flood Advisory | MTR | Santa Cruz | 4 hr |
| Jan 9, 5:34 AM PST | Flash Flood Warning | MTR | Monterey | 5 hr |
| Jan 9, 6:28 AM PST | Areal Flood Warning | MTR | Santa Cruz | 6 hr |
| Jan 9, 6:46 AM PST | Flash Flood Warning | MTR | Santa Cruz | 6 hr |
| Jan 9, 6:59 AM PST | Areal Flood Advisory | MTR | Alameda, Contra Costa, City and County of San Francisco, San Mateo, Santa Clara | 12 hr |
| Jan 9, 7:57 AM PST | Areal Flood Advisory | MTR | Monterey | 38 min |
| Jan 9, 8:14 AM PST | Areal Flood Warning | MTR | Monterey | 31 hr |
| Jan 9, 8:35 AM PST | Areal Flood Warning | MTR | Monterey | 8 hr |
| Jan 9, 8:54 AM PST | Gale Warning | MTR | 31 hr | |
| Jan 9, 8:54 AM PST | Small Craft Advisory | MTR | 18 hr | |
| Jan 9, 10:22 AM PST | River Flood Warning | MTR | Monterey | 9 days |
| Jan 9, 11:24 AM PST | Areal Flood Warning | MTR | Santa Clara | 11 hr |
| Jan 9, 11:47 AM PST | Areal Flood Warning | MTR | San Benito, Santa Clara | 6 hr |
| Jan 9, 12:06 PM PST | Wind Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more | 25 hr |
| Jan 9, 12:24 PM PST | Areal Flood Advisory | MTR | Monterey, San Benito, San Mateo, Santa Clara, Santa Cruz | 3 hr |
| Jan 9, 2:13 PM PST | High Surf Warning | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 29 hr |
Nearby
River Flood Warnings in California, 2023Every river flood warning in 2023
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.