Alert archive / California / Flash Flood Watches in 2020
Flash Flood Watch 1, NWS San Diego, CA
NWS San Diego, CA issued this flash flood watch at Mar 11, 2020, 1:23 PM PDT for Riverside County, San Bernardino County, San Diego County, California. It took effect at Mar 12, 2020, 12:00 PM PDT. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Mar 11, 2020, 1:23 PM PDT (20:23 UTC)
- In effect from
- Mar 12, 2020, 12:00 PM PDT
- Expired
- Mar 13, 2020, 9:00 AM PDT
- In force
- 21 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 20:23 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 Mar 11, 10:17 AM PDT, 3 hours 6 minutes earlier.
Area forecast discussion, Mar 11, 10:17 AM PDT, 3 hours 6 minutes before
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</html>The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 6:13 PM PDT | Areal Flood Advisory | SGX | San Diego | 2 hr |
Nearby
Flash Flood Watches in California, 2020Every flash flood watch in 2020
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.