Alert archive / California / Frost Advisories in 2009
Frost Advisory 4, NWS San Diego, CA
NWS San Diego, CA issued this frost advisory at Dec 8, 2009, 1:14 PM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Dec 9, 2009, 12:00 AM PST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Dec 8, 2009, 1:14 PM PST (21:14 UTC)
- In effect from
- Dec 9, 2009, 12:00 AM PST
- Expired
- Dec 9, 2009, 9:00 AM PST
- In force
- 9 hr
- Issued by
- NWS San Diego, CA
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 21:17 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 frost advisory 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 frost advisory went out at Dec 7, 2:30 PM PST, 22 hours 44 minutes earlier.
Area forecast discussion, Dec 7, 2:30 PM PST, 22 hours 44 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 |
|---|---|---|---|---|
| Dec 7, 8:32 PM PST | Small Craft Advisory | SGX | 10 hr | |
| Dec 7, 8:38 PM PST | High Surf Advisory | SGX | San Diego | 4 days |
Nearby
Frost Advisories in California, 2009Every frost advisory 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.