Alert archive / California / Flash Flood Watches in 2009

Flash Flood Watch 3, NWS San Diego, CA

July 23, 2009Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this flash flood watch at Jul 23, 2009, 1:27 PM PDT for Riverside County, San Bernardino County, San Diego County, California. It took effect at Jul 24, 2009, 12:00 PM PDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jul 23, 2009, 1:27 PM PDT (20:27 UTC)
In effect from: Jul 24, 2009, 12:00 PM PDT
Expired: Jul 24, 2009, 8:00 PM PDT
In force: 8 hr
Issued by: NWS San Diego, CA
Flood severity: None

Counties Riverside County, CA, San Bernardino County, CA, San Diego County, CA

The radar

The Santa Ana Mts radar (KSOX), 122 km from the middle of the area, began a volume at 20:29 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 flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Diego, CA wrote its last area forecast discussion before this flash flood watch went out at Jul 23, 10:00 AM PDT, 3 hours 27 minutes earlier.

Area forecast discussion, Jul 23, 10:00 AM PDT, 3 hours 27 minutes before

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Hazardous weather outlook, Jul 23, 6:45 AM PDT, 6 hours 42 minutes before

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  <main class="wrap">
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      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS San Diego, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 23, 4:47 PM PDT	Coastal Flood Advisory	SGX	San Diego	53 hr
Jul 23, 4:47 PM PDT	High Surf Advisory	SGX	San Diego	53 hr

Nearby

Flash Flood Watches in California, 2009 Every flash flood watch in 2009

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.