Alert archive / California / Flash Flood Watches in 2019

Flash Flood Watch 8, NWS San Diego, CA

November 18, 20194 counties in California

NWS San Diego, CA issued this flash flood watch at Nov 18, 2019, 1:40 PM PST for 4 counties in California. It took effect at Nov 19, 2019, 4:00 PM PST. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued: Nov 18, 2019, 1:40 PM PST (21:40 UTC)
In effect from: Nov 19, 2019, 4:00 PM PST
Expired: Nov 21, 2019, 1:00 AM PST
In force: 33 hr
Issued by: NWS San Diego, CA
Flood severity: None

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

The radar

The Santa Ana Mts radar (KSOX), 88 km from the middle of the area, began a volume at 21:39 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 Nov 18, 9:24 AM PST, 4 hours 16 minutes earlier.

Area forecast discussion, Nov 18, 9:24 AM PST, 4 hours 16 minutes before

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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
Nov 18, 1:40 PM PST	Winter Storm Watch	SGX	Riverside, San Bernardino	21 hr

Nearby

Flash Flood Watches in California, 2019 Every flash flood watch 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.